CN205478038U - Common rail injector's solenoid valve - Google Patents
Common rail injector's solenoid valve Download PDFInfo
- Publication number
- CN205478038U CN205478038U CN201620193950.5U CN201620193950U CN205478038U CN 205478038 U CN205478038 U CN 205478038U CN 201620193950 U CN201620193950 U CN 201620193950U CN 205478038 U CN205478038 U CN 205478038U
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- CN
- China
- Prior art keywords
- oil
- iron core
- injector
- ring body
- low
- 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 relates to a common rail injector's solenoid valve, including the injector and the installation body, the installation body sets up on injector's top surface, the storage tank has been seted up on the bottom surface of the installation body, be provided with base plate and iron core in the storage tank, the middle part of base plate is provided with the installation pipe, install the intraductal resilient means that is provided with, resilient means's bottom is connected with armature, the bottom of armature is provided with the steel ball, the iron core sets up on the bottom surface of base plate, the looping -in groove has been seted up around the installation pipe on the lower surface of iron core, the looping -in inslot is around there being solenoid, be provided with cooling device between injector's the lateral wall and the lateral surface of iron core, cooling device includes ring body and lower ring body, go up the ring body and have low pressure fuel oil channel down between the ring body, the below of iron core is provided with the throttle plate, the oil through has been seted up on the throttle plate, the top of oil through is located the below of steel ball.
Description
Technical field
This utility model relates to a kind of electromagnetic valve, particularly relates to the electromagnetic valve of a kind of common-rail injector.
Background technology
As the key components and parts of fuel injector, electromagnetic valve plays the effect accurately controlled to distributive value, and this is just
Require that electromagnetic valve has stable service behaviour, owing to electromagnetic valve is in the state of running up, its work process
In can produce a certain amount of heat, these heats through long-term accumulation easily to the resistance coil of electromagnetic valve
Resistance produces impact, and then has influence on the driving electric current etc. of electromagnetic valve so that electromagnetic valve work is unstable.With
Time, existing electromagnetic valve, the design of its structure is the most not reasonable so that electromagnetic valve is the most steady after long-term work
Fixed.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of novel knot
The fuel injector magnetic system of structure so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, when the purpose of this utility model is to provide a kind of work, temperature is relatively low and property
The electromagnetic valve of common-rail injector that can be stable.
The electromagnetic valve of common-rail injector of the present utility model, including 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 storage tank, it is provided with substrate and iron core, described substrate in described storage tank
Middle part be provided with installation pipe, be provided with elastic device in described installation pipe, the bottom of described elastic device is even
Being connected to armature, the bottom of described armature is provided with steel ball, and described iron core is arranged on the bottom surface of the substrate, and
The bottom of described installation pipe passes iron core, the lower surface of iron core offers annular mounting groove around installation pipe, institute
Being wound with solenoid in stating annular mounting groove, the bottom of described iron core is positioned at the cavity of oil injector body, and
Being provided with chiller between sidewall and the lateral surface of iron core of oil injector body, described chiller includes 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
Being enclosed within the bottom of iron core, the medial surface of upper ring body contacts with the lateral surface of iron core respectively with the medial surface of lower ring body,
Offer annular groove on the upper surface of described lower ring body, the lower surface of described upper ring body is provided with convex annular
Edge, described annular flange flange is suitable with annular groove, and the end of the lower surface of annular flange flange and annular groove
Having certain gap between face, described gap constitutes low-voltage fuel passage, on the sidewall of annular groove respectively
Offer the low-voltage fuel oil-in and low-voltage fuel oil-out communicated with described low-voltage fuel passage, described low
Compression ignition oil oil-in is for connecting with the low-voltage fuel in low pressure oil transfer pump, and described low-voltage fuel oil-out is used for
Connecting with the fuel oil in fuel tank, the lower section of described iron core is provided with choke block, described choke block offers logical
Oilhole, the top of described oil through is positioned at the lower section of steel ball.
Further, the electromagnetic valve of common-rail injector of the present utility model, right on the upper surface of described choke block
The exit answering oil through offers the groove suitable with described steel ball.
Further, the electromagnetic valve of common-rail injector of the present utility model, set between described iron core and choke block
Being equipped with limiting plate, described limiting plate is fixedly installed in oil injector body, the bottom surface of described armature is provided with
The column that described limiting plate is slidably matched, described steel ball is fixedly installed on the bottom surface of column.
Further, the electromagnetic valve of common-rail injector of the present utility model, being provided above of described choke block
Pressure ring, described pressure ring is fixedly installed on the medial surface of oil injector body, and described choke block sets by pressure ring is fixing
Put on the boss on oil injector body medial surface.
Further, the electromagnetic valve of common-rail injector of the present utility model, also include connector and clamping cap,
The dismountable top being arranged on fixing body of described connector, described connector is provided with link electrode, institute
Stating clamping cap to be enclosed within the lateral surface of fixing body, the bottom of clamping cap is connected with oil injector body.
By such scheme, this utility model at least has the advantage that common-rail injector of the present utility model
Electromagnetic valve, by arranging chiller on the lateral surface of iron core so that the electromagnetic valve of common-rail injector exists
The low-voltage fuel that the heat produced during work can be cooled in the low-voltage fuel passage of device is taken away so that its
Temperature can be stably maintained in certain scope, thus the electromagnetic valve of common-rail injector and fuel injector entirety energy
Enough continual and steady work.During specific works, low-voltage fuel passes through low-pressure fuel pump and low-voltage fuel oil-in
Input is to low-voltage fuel passage, owing to low-voltage fuel temperature is relatively low, the iron core contacted with upper ring body, lower ring body
Waste heat is taken away by the low-voltage fuel with lower temperature, and heated low-voltage fuel goes out from low-voltage fuel again
Hydraulic fluid port exports to fuel tank, thus realizes the cooling to electromagnetic valve.
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 the electromagnetic valve of common-rail injector of the present utility model；
Fig. 2 is the partial enlarged drawing in A portion in Fig. 1.
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.
See Fig. 1 to Fig. 2, the electromagnetic valve of a kind of common-rail injector of this utility model one preferred embodiment, bag
Including oil injector body 1 and fixing body 2, oil injector body is the tubular structure of inner hollow both ends open, and fixing body sets
Put on the end face of oil injector body, and on the bottom surface of fixing body, offer storage tank, be provided with in storage tank
Substrate 3 and iron core 4, the middle part of substrate is provided with installation pipe 5, is provided with elastic device 6, bullet in installing pipe
Property device bottom connect have armature 7, the bottom of armature is provided with steel ball 8, and iron core is arranged on the bottom surface of substrate
On, and the bottom of pipe is installed through iron core, the lower surface of iron core offers annular mounting groove around installing pipe,
Being wound with solenoid 9 in annular mounting groove, the bottom of iron core is positioned at the cavity of oil injector body, and fuel injector
Be provided with chiller 10 between sidewall and the lateral surface of iron core of body, chiller include upper ring body 11 and under
Ring body 12, upper ring body and lower ring body are respectively circulus, and upper ring body and lower ring body are respectively fitted over iron core
Bottom, the medial surface of upper ring body contacts with the lateral surface of iron core respectively with the medial surface of lower ring body, lower ring body
Upper surface on offer annular groove, the lower surface of upper ring body is provided with annular flange flange 13, annular flange flange
Suitable with annular groove, and have certain between the lower surface of annular flange flange and the bottom surface of annular groove
Gap, gap constitutes low-voltage fuel passage 14, the sidewall of annular groove offers respectively and leads to low-voltage fuel
Low-voltage fuel oil-in 15 that road communicates and low-voltage fuel oil-out, low-voltage fuel oil-in is for defeated with low pressure
Low-voltage fuel connection in oil pump, low-voltage fuel oil-out is for connecting with the fuel oil in fuel tank, under iron core
Side is provided with choke block 16, and choke block offers oil through 17, and the top of oil through is positioned at the lower section of steel ball.
During specific works, low-voltage fuel is inputted to low-voltage fuel by low-pressure fuel pump and low-voltage fuel oil-in
Passage, owing to low-voltage fuel temperature is relatively low, the iron core waste heat contacted with upper ring body, lower ring body is had
The low-voltage fuel of lower temperature is taken away, and heated low-voltage fuel exports to fuel tank from low-voltage fuel oil-out again
In, thus realize the cooling to electromagnetic valve.
As preferably, the electromagnetic valve of common-rail injector of the present utility model, on the upper surface of choke block, correspondence is logical
The exit of oilhole offers the groove suitable with steel ball.
As preferably, the electromagnetic valve of common-rail injector of the present utility model, it is provided with between iron core and choke block
Limiting plate 18, limiting plate is fixedly installed in oil injector body, the bottom surface of armature is provided with and slides with limiting plate
The column 19 coordinated, steel ball is fixedly installed on the bottom surface of column.
As preferably, the electromagnetic valve of common-rail injector of the present utility model, choke block be provided above pressure ring
20, pressure ring is fixedly installed on the medial surface of oil injector body, and choke block is fixedly installed on fuel injector by pressure ring
On boss on internal side.
As preferably, the electromagnetic valve of common-rail injector of the present utility model, also include connector 21 and clamping cap
22, the dismountable top being arranged on fixing body of connector, connector is provided with link electrode 23, compresses
Cap sleeve is on the lateral surface of fixing body, and the bottom of clamping cap is connected with oil injector body.
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. the electromagnetic valve of a common-rail injector, it is characterised in that: include oil injector body and fixing body, described
Oil 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
On, and on the bottom surface of fixing body, offer storage tank, it is provided with substrate and iron core, institute in described storage tank
The middle part stating substrate is provided with installation pipe, is provided with elastic device in described installation pipe, described elastic device
Bottom connects has armature, the bottom of described armature to be provided with steel ball, and described iron core is arranged on the bottom surface of the substrate,
And the bottom of described installation pipe passes iron core, the lower surface of iron core offers annular mounting groove around installation pipe,
Being wound with solenoid in described annular mounting groove, the bottom of described iron core is positioned at the cavity of oil injector body, and
And between the sidewall of oil injector body and the lateral surface of iron core, it being provided with chiller, described chiller includes
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 divide
Not being enclosed within the bottom of iron core, the medial surface of upper ring body and the medial surface of lower ring body lateral surface with iron core respectively connects
Touch, the upper surface of described lower ring body offers annular groove, the lower surface of described upper ring body is provided with ring
Shape flange, described annular flange flange is suitable with annular groove, and the lower surface of annular flange flange and annular groove
Bottom surface between there is certain gap, described gap constitutes low-voltage fuel passage, on the sidewall of annular groove
Offer the low-voltage fuel oil-in and low-voltage fuel oil-out communicated with described low-voltage fuel passage, institute respectively
State low-voltage fuel oil-in for connecting with the low-voltage fuel in low pressure oil transfer pump, described low-voltage fuel oil-out
For connecting with the fuel oil in fuel tank, the lower section of described iron core is provided with choke block, and described choke block is offered
Having oil through, the top of described oil through is positioned at the lower section of steel ball.
The electromagnetic valve of common-rail injector the most according to claim 1, it is characterised in that: described choke block
Upper surface on the exit of corresponding oil through offer the groove suitable with described steel ball.
The electromagnetic valve of common-rail injector the most according to claim 1, it is characterised in that: described iron core with
Being provided with limiting plate between choke block, described limiting plate is fixedly installed in oil injector body, the end of described armature
Being provided with the column being slidably matched with described limiting plate on face, described steel ball is fixedly installed on the bottom surface of column.
The electromagnetic valve of common-rail injector the most according to claim 1, it is characterised in that: described choke block
Be provided above pressure ring, described pressure ring is fixedly installed on the medial surface of oil injector body, described choke block lead to
Cross pressure ring to be fixedly installed on the boss on oil injector body medial surface.
The electromagnetic valve of common-rail injector the most according to claim 1, it is characterised in that: also include connecting
Body and clamping cap, the dismountable top being arranged on fixing body of described connector, described connector is provided with
Link electrode, described clamping cap is enclosed within the lateral surface of fixing body, and the bottom of clamping cap is connected with oil injector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193950.5U CN205478038U (en) | 2016-03-13 | 2016-03-13 | Common rail injector's solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193950.5U CN205478038U (en) | 2016-03-13 | 2016-03-13 | Common rail injector's solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478038U true CN205478038U (en) | 2016-08-17 |
Family
ID=56657376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620193950.5U Expired - Fee Related CN205478038U (en) | 2016-03-13 | 2016-03-13 | Common rail injector's solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917030A (en) * | 2017-10-09 | 2018-04-17 | 中国第汽车股份有限公司 | A kind of common-rail injector control valve |
-
2016
- 2016-03-13 CN CN201620193950.5U patent/CN205478038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917030A (en) * | 2017-10-09 | 2018-04-17 | 中国第汽车股份有限公司 | A kind of common-rail injector control valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20210313 |