CN205478037U - Dual spring sprayer - Google Patents
Dual spring sprayer Download PDFInfo
- Publication number
- CN205478037U CN205478037U CN201620191373.6U CN201620191373U CN205478037U CN 205478037 U CN205478037 U CN 205478037U CN 201620191373 U CN201620191373 U CN 201620191373U CN 205478037 U CN205478037 U CN 205478037U
- Authority
- CN
- China
- Prior art keywords
- armature
- spring
- injector
- armature lever
- ring body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a dual spring sprayer, including the injector and the installation body, the installation body sets up on injector's top surface, and seted up the first containing Groove on the bottom surface of the installation body, be provided with base plate and iron core in the the first containing Groove, the middle part of base plate is provided with the installation pipe, install the intraductal first spring that is provided with, the bottom of first spring is connected with the armature lever, the armature lever includes armature lever upper portion and armature lever lower part, the iron core sets up on the lower surface of base plate, the below of iron core is provided with armature, the below of armature is provided with the backup pad, the spacing groove has been offered on the upper surface of backup pad, the lower surface of armature and backup pad and projection play backup pad is passed respectively to the bottom of armature lever lower part, be provided with the steel ball on the bottom surface of armature lever lower part, be provided with the second spring between backup pad and the armature, the second spring housing is on the armature lever lower part. The utility model discloses a dual spring sprayer through set up first spring and second spring make armature when taking a seat the impact force little, armature is not fragile.
Description
Technical field
This utility model relates to a kind of fuel injector, particularly relates to a kind of two-spring injector.
Background technology
Common-rail injector is a kind of zero, automobile accurately controlled fuel injection amount according to pulse signal
Part, existing common-rail injector, generally comprise oil injector body, be arranged on oil injector body bottom atomizer and
Being arranged on the electromagnetic valve on fuel injector top, electromagnetic valve includes that armature and armature lever, existing armature and armature are
Monolithic construction, electromagnetic valve impulsive force of taking a seat of armature when opening and closing is big, and the abrasion etc. being easily caused armature shows
As, and then cause electromagnetic valve work unstable.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of novel knot
The fuel injector of structure so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of non-damageable pair of bullet of armature
Spring fuel injector.
Two-spring injector of the present utility model, including oil injector body and fixing body, described oil injector body is interior
The tubular structure of portion's hollow both ends open, described fixing body is arranged on the end face of oil injector body, and installs
Offer the first storage tank on the bottom surface of body, in described first storage tank, be provided with substrate and iron core, described base
Plate is arranged on the bottom surface of the first storage tank, and the middle part of substrate is provided with installation pipe, and described installation manages interior setting
Having the first spring, the bottom of described first spring connects has armature lever, described armature lever to include armature lever top
With armature lever bottom, the cross-sectional area on described armature lever top is more than the cross-sectional area of armature lever bottom, described
Iron core is arranged on the lower surface of substrate, and the lower section of described iron core is provided with armature, and the lower surface of armature sets
Being equipped with boss, the lower section of described armature is provided with gripper shoe, and described gripper shoe is fixedly installed on oil injector body
On medial surface, the upper surface of gripper shoe offering stopper slot, the bottom of described armature lever bottom is each passed through
Armature and gripper shoe also stretch out the lower surface of gripper shoe, and the lower surface on armature lever top and armature is upper
Surface contacts, and the bottom surface of armature lever bottom is provided with steel ball, is provided with the between described gripper shoe and armature
Two springs, described second spring housing is on armature lever bottom, and the top of the second spring is enclosed within boss,
The bottom of the second spring is arranged in stopper slot.
Further, two-spring injector of the present utility model, outside the sidewall of described oil injector body is with iron core
Being provided with chiller between side, described chiller includes upper ring body and lower ring body, described upper ring body and
Lower ring body is respectively circulus, and upper ring body and lower ring body are respectively fitted over the bottom of iron core, upper ring body
Medial surface contacts with the lateral surface of iron core respectively with the medial surface of lower ring body, and the upper surface of described lower ring body is opened
It is provided with annular groove, the lower surface of described upper ring body is provided with annular flange flange, described annular flange flange and annular
Groove is suitable, and has certain gap between the lower surface of annular flange flange and the bottom surface of annular groove,
Described gap constitutes low-voltage fuel passage, the sidewall of annular groove offers respectively and leads to described low-voltage fuel
Low-voltage fuel oil-in that road communicates and low-voltage fuel oil-out, described low-voltage fuel oil-in for and low pressure
Low-voltage fuel connection in oil transfer pump, described low-voltage fuel oil-out is for connecting with the fuel oil in fuel tank.
Further, two-spring injector of the present utility model, also include that connector, described connector are fixed
It is arranged on the top of fixing body, described connector is provided with electrode.
Further, two-spring injector of the present utility model, the bottom surface of described connector offers second
Storage tank, the medial surface of described second storage tank is provided with collar flange, on the lateral surface of described fixing body
Offer the ring-type draw-in groove suitable with described collar flange.
Further, two-spring injector of the present utility model, also include that clamping cap, described clamping cap are enclosed within
On the lateral surface of connector and fixing body, and clamping cap is fixed with oil injector body and is connected.
By such scheme, this utility model at least has the advantage that dual spring oil spout of the present utility model
Device by armature lever is separated with armature, arrange on armature lever simultaneously the first spring, armature and gripper shoe it
Between the second spring is set so that electromagnetic valve impulsive force between armature and gripper shoe when taking a seat is less, thus
Add the service life of armature and electromagnetic valve.During specific works, when the solenoid on armature does not powers on,
Armature and armature lever are moved downward to extreme lower position under the pressure of the first spring, thus close electromagnetic valve, when
When solenoid on armature powers on, armature moves upward under the effect of captivation, thus opens electromagnetic valve,
When solenoid power down, armature lever moves downward under the effect of the first spring again and band moving armature is transported downwards
Dynamic, but due to the setting of the second spring so that the impulsive force between armature and gripper shoe is buffered, thus
Armature is hardly damaged when taking a seat, adds the service life that fuel injector is overall.
Described above is only the general introduction of technical solutions of the utility model, in order to it is new to better understand this practicality
The technological means of type, and can be practiced according to the content of description, below with preferable reality of the present utility model
After executing example and coordinating accompanying drawing to describe in detail such as.
Accompanying drawing explanation
Fig. 1 is the structural representation of two-spring injector of the present utility model；
Fig. 2 is the partial enlarged drawing in A portion in Fig. 1；
Fig. 3 is the structural representation of fixing body.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
Seeing Fig. 1 to Fig. 3, a kind of two-spring injector of this utility model one preferred embodiment, including spray
Oil body 1 and fixing body 2, oil injector body is the tubular structure of inner hollow both ends open, and fixing body is arranged on
On the end face of oil injector body, and on the bottom surface of fixing body, offer the first storage tank 3, set in the first storage tank
Being equipped with substrate 4 and iron core 5, substrate is arranged on the bottom surface of the first storage tank, and the middle part of substrate is provided with installation
Pipe 6, is provided with the first spring 7 in installing pipe, and the bottom of the first spring connects armature lever 8, armature lever bag
Including armature lever top 9 and armature lever bottom 10, the cross-sectional area on armature lever top is more than the horizontal stroke of armature lever bottom
Sectional area, iron core is arranged on the lower surface of substrate, and the lower section of iron core is provided with armature 11, the following table of armature
Being provided with boss 12 on face, the lower section of armature is provided with gripper shoe 13, and gripper shoe is fixedly installed on oil injector body
Medial surface on, the upper surface of gripper shoe offers stopper slot 14, the bottom of armature lever bottom is each passed through
Armature and gripper shoe also stretch out the lower surface of gripper shoe, and the lower surface on armature lever top and armature is upper
Surface contacts, and the bottom surface of armature lever bottom is provided with steel ball 15, is provided with second between gripper shoe and armature
Spring 16, the second spring housing is on armature lever bottom, and the top of the second spring is enclosed within boss, and second
The bottom of spring is arranged in stopper slot.
During specific works, when the solenoid on armature does not powers on, armature and armature lever are at the first spring
It is moved downward to extreme lower position under pressure, thus closes electromagnetic valve, when the solenoid on armature powers on,
Armature moves upward under the effect of captivation, thus opens electromagnetic valve, when solenoid power down, and armature
And armature lever moves downward again under the effect of the first spring, but due to the setting of the second spring so that armature
And the impulsive force between gripper shoe is buffered, so that be hardly damaged when armature is taken a seat, add oil spout
The service life that device is overall.
As preferably, two-spring injector of the present utility model, the sidewall of oil injector body and the lateral surface of iron core
Between be provided with chiller, chiller includes that upper ring body 17 and lower ring body 18, upper ring body and lower ring body divide
Not Wei circulus, and upper ring body and lower ring body be respectively fitted over the bottom of iron core, the medial surface of upper ring body and
The medial surface of lower ring body contacts with the lateral surface of iron core respectively, and the upper surface of lower ring body offers annular groove,
Being provided with annular flange flange 19 on the lower surface of upper ring body, annular flange flange is suitable with annular groove, and annular
Having certain gap between lower surface and the bottom surface of annular groove of flange, gap constitutes low-voltage fuel passage
20, the sidewall of annular groove offers respectively the low-voltage fuel oil-in 21 communicated with low-voltage fuel passage and
Low-voltage fuel oil-out, low-voltage fuel oil-in is used for connecting with the low-voltage fuel in low pressure oil transfer pump, low pressure
Fuel oil oil-out is for connecting with the fuel oil in fuel tank.
As preferably, two-spring injector of the present utility model, also include connector 22, connector is fixing to be set
Put above fixing body, connector is provided with electrode 23.
As preferably, two-spring injector of the present utility model, the bottom surface of connector offers second and houses
Groove 24, the medial surface of the second storage tank is provided with collar flange 25, the lateral surface of fixing body offers with
The ring-type draw-in groove that collar flange is suitable.
As preferably, two-spring injector of the present utility model, also include clamping cap 26, clamping cap is enclosed within even
On the lateral surface of junctor and fixing body, and clamping cap is fixed with oil injector body and is connected.
The above is only preferred implementation of the present utility model, is not limited to this utility model, should
When pointing out, for those skilled in the art, without departing from this utility model know-why
On the premise of, it is also possible to making some improvement and modification, these improve and modification also should be regarded as this utility model
Protection domain.
Claims (5)
1. a two-spring injector, it is characterised in that: include oil injector body and fixing body, described fuel injector
Body is the tubular structure of inner hollow both ends open, and described fixing body is arranged on the end face of oil injector body, and
And on the bottom surface of fixing body, offer the first storage tank, it is provided with substrate and iron core in described first storage tank,
Described substrate is arranged on the bottom surface of the first storage tank, and the middle part of substrate is provided with installation pipe, and described installation is managed
Inside being provided with the first spring, the bottom of described first spring connects has armature lever, described armature lever to include armature
Bar top and armature lever bottom, the cross-sectional area on described armature lever top is more than the cross-sectional area of armature lever bottom,
Described iron core is arranged on the lower surface of substrate, and the lower section of described iron core is provided with armature, the lower surface of armature
On be provided with boss, the lower section of described armature is provided with gripper shoe, and described gripper shoe is fixedly installed on fuel injector
On the medial surface of body, the upper surface of gripper shoe offering stopper slot, the bottom of described armature lever bottom is respectively
Through armature and gripper shoe the lower surface stretching out gripper shoe, and the lower surface on armature lever top and armature
Upper surface, the bottom surface of armature lever bottom is provided with steel ball, between described gripper shoe and armature arrange
Having the second spring, described second spring housing is on armature lever bottom, and the top of the second spring is enclosed within boss
On, the bottom of the second spring is arranged in stopper slot.
Two-spring injector the most according to claim 1, it is characterised in that: the side of described oil injector body
Being provided with chiller between wall and the lateral surface of iron core, described chiller includes upper ring body and lower ring body,
Described upper ring body and lower ring body are respectively circulus, and upper ring body and lower ring body are respectively fitted over the end of iron core
End, the medial surface of upper ring body contacts with the lateral surface of iron core respectively with the medial surface of lower ring body, described lower ring body
Upper surface on offer annular groove, the lower surface of described upper ring body is provided with annular flange flange, described ring
Shape flange is suitable with annular groove, and has between the lower surface of annular flange flange and the bottom surface of annular groove
Certain gap, described gap constitutes low-voltage fuel passage, the sidewall of annular groove offers respectively and institute
State low-voltage fuel oil-in and low-voltage fuel oil-out that low-voltage fuel passage communicates, described low-voltage fuel oil-feed
Mouthful for connect with the low-voltage fuel in low pressure oil transfer pump, described low-voltage fuel oil-out be used for in fuel tank
Fuel oil connects.
Two-spring injector the most according to claim 1, it is characterised in that: also include connector, institute
State connector and be fixedly installed on the top of fixing body, described connector is provided with electrode.
Two-spring injector the most according to claim 3, it is characterised in that: the bottom surface of described connector
On offer the second storage tank, the medial surface of described second storage tank is provided with collar flange, described installation
The ring-type draw-in groove suitable with described collar flange is offered on the lateral surface of body.
Two-spring injector the most according to claim 1, it is characterised in that: also include clamping cap, institute
State clamping cap to be enclosed within the lateral surface of connector and fixing body, and clamping cap is fixed with oil injector body and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191373.6U CN205478037U (en) | 2016-03-13 | 2016-03-13 | Dual spring sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191373.6U CN205478037U (en) | 2016-03-13 | 2016-03-13 | Dual spring sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478037U true CN205478037U (en) | 2016-08-17 |
Family
ID=56657505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620191373.6U Expired - Fee Related CN205478037U (en) | 2016-03-13 | 2016-03-13 | Dual spring sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478037U (en) |
-
2016
- 2016-03-13 CN CN201620191373.6U patent/CN205478037U/en not_active Expired - Fee Related
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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: 20160817 Termination date: 20210313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |