CN205478050U - Sprayer injector nozzle matching parts - Google Patents
Sprayer injector nozzle matching parts Download PDFInfo
- Publication number
- CN205478050U CN205478050U CN201620190425.8U CN201620190425U CN205478050U CN 205478050 U CN205478050 U CN 205478050U CN 201620190425 U CN201620190425 U CN 201620190425U CN 205478050 U CN205478050 U CN 205478050U
- Authority
- CN
- China
- Prior art keywords
- needle
- valve
- oil
- storage tank
- control plunger
- 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 sprayer injector nozzle matching parts, including needle valve and nozzle valve, nozzle valve's top is provided with injector, the middle part of needle valve is provided with annular flange, the lateral surface of annular flange and nozzle valve's medial surface contact, the top of needle valve is provided with the throttle plate, the storage tank has been seted up on the bottom surface of throttle plate, the draining hole has been seted up on the bottom surface of storage tank, be provided with control plunger in the storage tank, control plunger is fixed to be set up on the medial surface of storage tank, the top slidable ground of needle valve sets up in control plunger, the bottom surface of storage tank, the medial surface of storage tank, control plunger's top surface, the top surface of needle valve surrounds and forms the control chamber, the oil through has been seted up on control plunger's the bottom surface, oil through and control chamber communicate with each other, be provided with the spring between annular flange and the control plunger, the spring housing is on the lateral surface of needle valve. The utility model discloses a sprayer injector nozzle matching parts is through annular flange and control plunger for the needle valve operation is more steady, and life is longer, and the oil spout effect is better.
Description
Technical field
This utility model relates to a kind of atomizer, particularly relates to a kind of oil injector oil nozzle couple.
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 the fuel injection nozzle matching of oil injector body bottom
Part and the electromagnetic valve being arranged on fuel injector top, injector nozzle matching parts includes needle-valve and needle-valve body, the bottom of needle-valve
Being arranged in needle-valve body, the top of needle-valve is arranged in control plunger, owing to controlling have between plunger and needle-valve
Having certain gap, needle-valve the most easily produces crooked, so on the one hand causes needle-valve and control
Produce local friction between plunger or needle-valve body, thus decrease the service life of injector nozzle matching parts, the opposing party
Face makes the bottom of needle-valve can not be directed at accurately with nozzle opening thus causes oil spout weak effect.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of novel knot
The injector nozzle matching parts 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 one length in service life, oil spout effect
The best oil injector oil nozzle couple.
Oil injector oil nozzle couple of the present utility model, including needle-valve and needle-valve body, the top of described needle-valve body
Being provided with oil injector body, the bottom of described needle-valve is arranged in the cavity of needle-valve body, and the top of needle-valve is arranged on
In oil injector body, the middle part of described needle-valve is provided with annular flange flange, the lateral surface of described annular flange flange and needle-valve
Body medial surface contact, needle-valve be provided above choke block, described choke block is fixedly installed on oil injector body
On, the bottom surface of choke block offers storage tank, the cross-sectional area at the top of described storage tank is more than storage tank
The cross-sectional area of bottom, the bottom surface of storage tank offers oil leak hole, described oil leak hole is from the end of storage tank
Face extends to the upper surface of choke block, is provided with control plunger in described storage tank, and described control plunger is fixed
It is arranged on the medial surface of storage tank, and controls to have between the top of plunger and the bottom surface of storage tank certain
Gap, the top of described needle-valve is slidably disposed in control plunger, and the lateral surface of needle-valve and control
Plunger processed medial surface contact, the bottom surface of described storage tank, the medial surface of storage tank, control plunger end face,
The end face of needle-valve surrounds to be formed and controls chamber, and the bottom surface of described control plunger offers oil through, described logical oil
Hole communicates with controlling chamber, is provided with spring between described annular flange flange and control plunger, and described spring housing is at pin
On the lateral surface of valve.
Further, oil injector oil nozzle couple of the present utility model, also include clamping cap, described clamping cap
It is enclosed within needle-valve body, and clamping cap is fixed with oil injector body and is connected.
Further, oil injector oil nozzle couple of the present utility model, the bottom surface of described storage tank is positioned at and lets out
Offering hemispherical groove at oilhole, the end face of described needle-valve is the curved surface suitable with hemispherical groove.
Further, oil injector oil nozzle couple of the present utility model, described choke block be provided above pressure
Ring, described pressure ring is fixedly installed on oil injector body.
By such scheme, this utility model at least has the advantage that fuel injector oil spout of the present utility model
Mouth couple, by the lateral surface of needle-valve is contacted with the medial surface of needle-valve body and the medial surface of control plunger respectively,
Make needle-valve operationally not have crooked phenomenon, thus avoid needle-valve and needle-valve body or control plunger
Medial surface between produce the phenomenon of local friction, add service life, and make the oil spout of fuel injector
Effect is more preferable.During specific works, the high pressure fuel come from common rail conveying is inputted to controlling chamber by oil through,
So that needle-valve moves downward the nozzle opening blocking on needle-valve body under the effect of high pressure fuel and spring,
During oil spout, high pressure fuel exports from oil leak hole, and needle-valve rises under the effect of bottom high pressure fuel thus opens
Nozzle opening realizes oil spout.
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 oil injector oil nozzle couple of the present utility model；
Fig. 2 is the big figure of local bounce-back in A portion in Fig. 1；
Fig. 3 is the structural representation of choke block.
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. 3, a kind of oil injector oil nozzle couple of this utility model one preferred embodiment, including
Needle-valve 1 and needle-valve body 2, needle-valve body be provided above oil injector body 3, the bottom of needle-valve is arranged on needle-valve body
Cavity in, the top of needle-valve is arranged in oil injector body, and the middle part of needle-valve is provided with annular flange flange 4, annular
The lateral surface of flange contacts with the medial surface of needle-valve body, needle-valve be provided above choke block 5, choke block is fixed
It is arranged on oil injector body, the bottom surface of choke block offers storage tank 6, the cross-sectional area at the top of storage tank
More than the cross-sectional area of the bottom of storage tank, the bottom surface of storage tank offering oil leak hole 7, oil leak hole is from accommodating
The bottom surface of groove extends to the upper surface of choke block, is provided with control plunger 8 in storage tank, and control plunger is fixing to be set
Put on the medial surface of storage tank, and control to have between the top of plunger and the bottom surface of storage tank certain
Gap, the top of needle-valve be slidably disposed on control plunger in, and the lateral surface of needle-valve with control plunger
Medial surface contact, the bottom surface of storage tank, the medial surface of storage tank, control the end face of plunger, the top of needle-valve
Bread encloses formation and controls chamber 9, controls to offer on the bottom surface of plunger oil through 10, oil through and control chamber phase
Logical, it is provided with spring 11 between annular flange flange and control plunger, spring housing is on the lateral surface of needle-valve.
During specific works, the high pressure fuel come from common rail conveying is inputted to controlling chamber by oil through, thus
Needle-valve is made to move downward the nozzle opening blocking on needle-valve body, oil spout under the effect of high pressure fuel and spring
Time, high pressure fuel exports from oil leak hole, and needle-valve rises under the effect of bottom high pressure fuel thus opens oil spout
Hole realizes oil spout.
As preferably, oil injector oil nozzle couple of the present utility model, also include clamping cap 12, compress cap sleeve
On needle-valve body, and clamping cap is fixed with oil injector body and is connected.
As preferably, oil injector oil nozzle couple of the present utility model, the bottom surface of storage tank is positioned at oil leak hole
Place offers hemispherical groove 13, and the end face of needle-valve is the curved surface suitable with hemispherical groove.
As preferably, oil injector oil nozzle couple of the present utility model, choke block be provided above pressure ring 14,
Pressure ring is fixedly installed on 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 (4)
1. an oil injector oil nozzle couple, including needle-valve and needle-valve body, being provided above of described needle-valve body
Oil injector body, the bottom of described needle-valve is arranged in the cavity of needle-valve body, and the top of needle-valve is arranged on fuel injector
It is internal, it is characterised in that: the middle part of described needle-valve is provided with annular flange flange, the lateral surface of described annular flange flange
Contact with the medial surface of needle-valve body, needle-valve be provided above choke block, described choke block is fixedly installed on spray
On oil body, the bottom surface of choke block offering storage tank, the cross-sectional area at the top of described storage tank is more than
The cross-sectional area of the bottom of storage tank, the bottom surface of storage tank offers oil leak hole, and described oil leak hole is from accommodating
The bottom surface of groove extends to the upper surface of choke block, is provided with control plunger, described control post in described storage tank
Plug is fixedly installed on the medial surface of storage tank, and controls tool between the top of plunger and the bottom surface of storage tank
Certain gap, the top of described needle-valve is had to be slidably disposed in control plunger, and the outside of needle-valve
Face contacts with the medial surface controlling plunger, the bottom surface of described storage tank, the medial surface of storage tank, control plunger
End face, needle-valve end face surround formed control chamber, the bottom surface of described control plunger offers oil through,
Described oil through communicates with controlling chamber, is provided with spring, described bullet between described annular flange flange and control plunger
Spring is enclosed within the lateral surface of needle-valve.
Oil injector oil nozzle couple the most according to claim 1, it is characterised in that: also include clamping cap,
Described clamping cap is enclosed within needle-valve body, and clamping cap is fixed with oil injector body and is connected.
Oil injector oil nozzle couple the most according to claim 1, it is characterised in that: described storage tank
Being positioned on bottom surface at oil leak hole and offer hemispherical groove, the end face of described needle-valve is for fit mutually with hemispherical groove
The curved surface joined.
Oil injector oil nozzle couple the most according to claim 1, it is characterised in that: described choke block
Being provided above pressure ring, described pressure ring is fixedly installed on oil injector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190425.8U CN205478050U (en) | 2016-03-13 | 2016-03-13 | Sprayer injector nozzle matching parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190425.8U CN205478050U (en) | 2016-03-13 | 2016-03-13 | Sprayer injector nozzle matching parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478050U true CN205478050U (en) | 2016-08-17 |
Family
ID=56657269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620190425.8U Expired - Fee Related CN205478050U (en) | 2016-03-13 | 2016-03-13 | Sprayer injector nozzle matching parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014987A (en) * | 2019-12-13 | 2020-04-17 | 西安中科微精光子制造科技有限公司 | Positioning and wall-aligning protection device for laser processing spray hole of fuel spray nozzle |
| CN113700584A (en) * | 2021-08-26 | 2021-11-26 | 温州弘腾科技有限公司 | Needle valve for large-flow common rail oil injector oil injection nozzle, oil injection nozzle matching part and working method of oil injection nozzle matching part |
-
2016
- 2016-03-13 CN CN201620190425.8U patent/CN205478050U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014987A (en) * | 2019-12-13 | 2020-04-17 | 西安中科微精光子制造科技有限公司 | Positioning and wall-aligning protection device for laser processing spray hole of fuel spray nozzle |
| CN111014987B (en) * | 2019-12-13 | 2022-03-22 | 西安中科微精光子制造科技有限公司 | Positioning and wall-aligning protection device for laser processing spray hole of fuel spray nozzle |
| CN113700584A (en) * | 2021-08-26 | 2021-11-26 | 温州弘腾科技有限公司 | Needle valve for large-flow common rail oil injector oil injection nozzle, oil injection nozzle matching part and working method of oil injection nozzle matching part |
| CN113700584B (en) * | 2021-08-26 | 2022-07-26 | 温州弘腾科技有限公司 | Needle valve and oil nozzle matching part for oil nozzle of large-flow common rail oil injector |
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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 |