CN207245905U - A kind of new oil return bolt - Google Patents
A kind of new oil return bolt Download PDFInfo
- Publication number
- CN207245905U CN207245905U CN201721029144.5U CN201721029144U CN207245905U CN 207245905 U CN207245905 U CN 207245905U CN 201721029144 U CN201721029144 U CN 201721029144U CN 207245905 U CN207245905 U CN 207245905U
- Authority
- CN
- China
- Prior art keywords
- oil return
- oil
- bolt
- fuel injector
- returning tube
- 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
It the utility model is related to the accessory technical field of generating set, and in particular to a kind of new oil return bolt.Including fuel injector and oil returning tube, the connecting pin of the oil returning tube and fuel injector is equipped with oil returning tube connector, the oil return bolt is formed by bolt head and Stud connection, the upper side of the fuel injector is equipped with M6 screw holes, the M6 screw holes are connected with fuel injector internal galleries, the side of the stud length direction is equipped with L-type notch from position to the tail end close to bolt head, the facade of the L-type notch is 3 5mm apart from the distance of bolt head, the oil return bolt is M6 bolts, and stud and the M6 screw holes of the oil return bolt match.The utility model is bolted the fuel injector and oil returning tube of 36T diesel engines by M6 oil returns, fuel injector is connected with oil returning tube by the L-type notch on oil return bolt, solve the problems, such as to be engaged with M6 screw holes on existing 36T diesel engines and oil return, advantages of simple, science are practical.
Description
Technical field
It the utility model is related to the accessory technical field of generating set, and in particular to a kind of new oil return bolt.
Background technology
During the work time, unnecessary machine oil can flow into oil return pipe to internal combustion engine by oil return bolt in fuel injector, recycling
Machine oil is flowed back in fuel tank through oil return pipe, and existing oil return bolt is by the L-type on oil return bolt or the connection spray of T-shaped through hole
Oily device and oil returning tube, and have various types of oil return bolts such as M7, M8, M9, M10, but lack the oil return spiral shell of M6 models
Bolt, can not meet existing 36T diesel engines.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of new oil return bolt.
Technical solutions of the utility model are as follows：
A kind of new oil return bolt, including fuel injector and oil returning tube, the connecting pin of the oil returning tube and fuel injector are set
There is oil returning tube connector, the oil return bolt is formed by bolt head and Stud connection, and the upper side of the fuel injector is equipped with
M6 screw holes, the M6 screw holes are connected with fuel injector internal galleries, and the side of the stud length direction is from close to bolt head
Position to tail end is equipped with L-type notch, and the facade of the L-type notch is 3-5mm apart from the distance of bolt head, and the oil return bolt is
M6 bolts, stud and the M6 screw holes of the oil return bolt match, and during operation, the oil returning tube is passed through back by oil return bolt
Oil-piping connector is threadedly coupled with the M6 screw holes on fuel injector, the front and rear connection of the oil return bolt and oil returning tube connector
Place is respectively equipped with the first sealing ring and the second sealing ring, and the fuel injector passes through the L-type notch and oil returning tube on oil return bolt
It is connected.
The beneficial effects of the utility model are：The utility model is bolted the oil spout of 36T diesel engines by M6 oil returns
Fuel injector, is connected by device and oil returning tube by the L-type notch on oil return bolt with oil returning tube, is solved and existing 36T
M6 screw holes are engaged and the problem of oil return on diesel engine, advantages of simple, and science is practical.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the utility model specific embodiment.
Fig. 2 is the structure diagram of the oil return bolt of the utility model.
Wherein：1st, fuel injector；2nd, the second sealing ring；3rd, stud；4th, bolt head；5th, the first sealing ring；6th, oil returning tube connects
Connector；7th, M6 screw holes；8th, oil returning tube；9th, L-type notch.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Refering to Fig. 1 and Fig. 2, a kind of new oil return bolt, including fuel injector 1 and oil returning tube 8, the oil returning tube 8 with
The connecting pin of fuel injector 1 is equipped with oil returning tube connector 6, and the oil return bolt is formed by connecting by bolt head 4 and stud 3, described
The upper side of fuel injector 1 is equipped with M6 screw holes 7, and the M6 screw holes 7 are connected with 1 internal galleries of fuel injector, 3 length of stud
The side in direction is equipped with L-type notch 9 from position to the tail end close to bolt head 4, and the facade of the L-type notch 9 is apart from bolt head 4
Distance be 3-5mm, the oil return bolt is M6 bolts, and the stud 3 and M6 screw holes 7 of the oil return bolt match, during operation,
The oil returning tube 8 is threadedly coupled by oil return bolt through oil returning tube connector 6 with the M6 screw holes 7 on fuel injector 1, described
Oil return bolt and the front and rear junction of oil returning tube connector 6 are respectively equipped with the first sealing ring 5 and the second sealing ring 2, the spray
Oily device 1 is connected by the L-type notch 9 on oil return bolt with oil returning tube 8.
Above-mentioned accompanying drawings and embodiments are merely to illustrate the utility model, and any technical field those of ordinary skill is to it
The appropriate change or modification done, or use other flower pattern instead and make this technical change, it all should be regarded as not departing from this practicality newly
Type patent category.
Claims (1)
1. a kind of new oil return bolt, including fuel injector（1）And oil returning tube（8）, the oil returning tube（8）With fuel injector（1）
Connecting pin be equipped with oil returning tube connector（6）, the oil return bolt is by bolt head（4）And stud（3）It is formed by connecting, the spray
Oily device（1）Upper side be equipped with M6 screw holes（7）, the M6 screw holes（7）With fuel injector（1）Internal galleries are connected, its feature
It is：The stud（3）The side of length direction is from close to bolt head（4）Position to tail end be equipped with L-type notch（9）, the L
Type notch（9）Facade apart from bolt head（4）Distance be 3-5mm, the oil return bolt is M6 bolts, the oil return bolt
Stud（3）With M6 screw holes（7）Match, during operation, the oil returning tube（8）Oil returning tube connector is passed through by oil return bolt
（6）With fuel injector（1）On M6 screw holes（7）It is threadedly coupled, the oil return bolt and oil returning tube connector（6）Front and rear connection
Place is respectively equipped with the first sealing ring（5）With the second sealing ring（2）, the fuel injector（1）Pass through the L-type notch on oil return bolt
（9）With oil returning tube（8）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721029144.5U CN207245905U (en) | 2017-08-17 | 2017-08-17 | A kind of new oil return bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721029144.5U CN207245905U (en) | 2017-08-17 | 2017-08-17 | A kind of new oil return bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245905U true CN207245905U (en) | 2018-04-17 |
Family
ID=61881895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721029144.5U Expired - Fee Related CN207245905U (en) | 2017-08-17 | 2017-08-17 | A kind of new oil return bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210131906A1 (en) * | 2019-10-31 | 2021-05-06 | Aisan Kogyo Kabushiki Kaisha | Leak detection apparatus |
-
2017
- 2017-08-17 CN CN201721029144.5U patent/CN207245905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210131906A1 (en) * | 2019-10-31 | 2021-05-06 | Aisan Kogyo Kabushiki Kaisha | Leak detection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20181217 Granted publication date: 20180417 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20211217 Granted publication date: 20180417 |
|
| 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: 20180417 Termination date: 20210817 |