CN215486323U - Oil inlet structure for fuel tank of gasoline engine - Google Patents
Oil inlet structure for fuel tank of gasoline engine Download PDFInfo
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- CN215486323U CN215486323U CN202121980217.5U CN202121980217U CN215486323U CN 215486323 U CN215486323 U CN 215486323U CN 202121980217 U CN202121980217 U CN 202121980217U CN 215486323 U CN215486323 U CN 215486323U
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- connecting pipe
- annular seat
- fixedly connected
- oil
- gasoline engine
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Abstract
The utility model discloses an oil inlet structure for a gasoline engine fuel tank, which comprises a first connecting pipe, wherein one side of the first connecting pipe is fixedly connected with a first annular seat, the outer surface of the first connecting pipe is provided with a second connecting pipe, the inner wall of the second connecting pipe is matched with the first connecting pipe, one side of the second connecting pipe is fixedly connected with a second annular seat, the first annular seat is arranged in the second annular seat, and the first annular seat is connected with the second annular seat through a sealing bearing. The sealing device is provided with the first clamping ring and the second clamping ring, so that the sealing performance of the sealing device is improved, oil leakage is prevented, the structure is simple, and oil leakage can be effectively prevented.
Description
Technical Field
The utility model relates to the technical field of fuel tanks, in particular to a fuel inlet structure for a gasoline engine fuel tank.
Background
In some oil feeding structures, oil in a static oil pipe needs to be transferred into a rotating hollow rotating shaft, for example, a lubricating structure of an intermediate bearing, the intermediate bearing has inherent difficulty in lubrication due to installation characteristics of the intermediate bearing, lubricating oil of the intermediate bearing needs to enter the intermediate bearing through an axis oil hole at present, so that the lubricating oil in the oil pipe can be transferred into the axis oil hole of the intermediate bearing through the oil feeding structure, the oil feeding structure can comprise an oil nozzle, the oil nozzle can comprise a spray head and an annular seat, the annular seat is in sealing connection with the oil pipe, a threaded bulge extending along the axial direction is arranged on the spray head and is sleeved in the hollow rotating shaft in a sliding mode, and when the hollow rotating shaft rotates, an axial sealing structure is formed between the spray head and the hollow rotating shaft.
However, the oil jet can seal oil only in the axial direction at present, and oil is still liable to leak from the radial clearance between the oil jet and the hollow rotating shaft.
Therefore, it is necessary to provide a fuel tank inlet structure for a gasoline engine to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil inlet structure for a gasoline engine fuel tank, which aims to solve the problem that oil can only be sealed in the axial direction by an oil nozzle at present, and oil still easily leaks from a radial gap between the oil nozzle and a hollow rotating shaft.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a be used for gasoline engine fuel tank oil feed structure, includes first connecting pipe, first connecting pipe one side fixedly connected with first annular seat, first connecting pipe surface is equipped with the second connecting pipe, second connecting pipe inner wall and first connecting pipe phase-match, second connecting pipe one side fixedly connected with second annular seat, first annular seat sets up inside second annular seat, first annular seat and second annular seat pass through sealed bearing and are connected, first annular seat has been seted up to first annular seat one side, second annular seat inner wall fixedly connected with first snap ring, first annular and first snap ring phase-match, the second connecting pipe inner wall has been seted up the second annular, first connecting pipe surface fixedly connected with second snap ring, second annular and second snap ring phase-match, second connecting pipe surface is equipped with hollow rotation axis front end, the second connecting pipe is connected with the front end of the hollow rotating shaft through threads, the rear end of the hollow rotating shaft is fixedly connected to one side of the front end of the hollow rotating shaft, and the inner wall of the rear end of the hollow rotating shaft is matched with the first connecting pipe.
An oil pipe joint is arranged on one side of the first annular seat, and an oil pipe body is arranged on one side of the oil pipe joint.
The oil pipe joint comprises a joint front end and a joint rear end, the joint front end is fixedly connected with the first annular seat, and the joint rear end is fixedly connected with the oil pipe body.
First annular quantity sets up to two, first snap ring quantity sets up to two, second annular quantity sets up to three, second snap ring quantity sets up to three.
The outer surface of the second connecting pipe is provided with a clamping groove, and the outer surface of the front end of the hollow rotating shaft is provided with a first sealing ring.
The first sealing ring is connected with the front end of the hollow rotating shaft through threads, a second sealing ring is fixedly connected to one side of the first sealing ring, and the inner wall of the second sealing ring is matched with the second connecting pipe.
The inner wall of the second sealing ring is fixedly connected with a sealing gasket, and the sealing gasket is matched with the clamping groove.
The sealing gasket is made of rubber material.
1. The sealing device is provided with the first clamping ring and the second clamping ring, the sealing performance of the first connecting pipe and the second connecting pipe is improved, oil leakage is prevented, the structure is simple, and oil leakage can be effectively prevented;
2. through being equipped with first sealing ring and second sealing ring, first sealing ring passes through threaded connection with hollow rotation axis front end, and sealed pad and draw-in groove joint improve hollow rotation axis front end and second connecting pipe leakproofness, prevent the oil leak.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present invention.
Description of reference numerals:
1. a first connecting pipe; 2. a first annular seat; 3. a second connecting pipe; 4. a second annular seat; 5. a first ring groove; 6. a first snap ring; 7. a second ring groove; 8. a second snap ring; 9. the front end of the hollow rotating shaft; 10. the rear end of the hollow rotating shaft; 11. an oil pipe body; 12. a joint front end; 13. a rear end of the joint; 14. a card slot; 15. a first seal ring; 16. a second seal ring; 17. and a gasket.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides an oil inlet structure for a gasoline engine fuel tank as shown in figures 1-4, which comprises a first connecting pipe 1, wherein one side of the first connecting pipe 1 is fixedly connected with a first annular seat 2, the outer surface of the first connecting pipe 1 is provided with a second connecting pipe 3, the inner wall of the second connecting pipe 3 is matched with the first connecting pipe 1, one side of the second connecting pipe 3 is fixedly connected with a second annular seat 4, the first annular seat 2 is arranged in the second annular seat 4, the first annular seat 2 is connected with the second annular seat 4 through a sealing bearing, one side of the first annular seat 2 is provided with a first annular groove 5, the inner wall of the second annular seat 4 is fixedly connected with a first snap ring 6, the first annular groove 5 is matched with the first snap ring 6, the inner wall of the second connecting pipe 3 is provided with a second annular groove 7, the outer surface of the first connecting pipe 1 is fixedly connected with a second snap ring 8, the second annular groove 7 is matched with the second clamping ring 8, the outer surface of the second connecting pipe 3 is provided with a hollow rotating shaft front end 9, the second connecting pipe 3 is connected with the front end 9 of the hollow rotating shaft through a thread, the rear end 10 of the hollow rotating shaft is fixedly connected with one side of the front end 9 of the hollow rotating shaft, the inner wall of the rear end 10 of the hollow rotating shaft is matched with the first connecting pipe 1, when using, through being equipped with first connecting pipe 1 and second connecting pipe 3, will connect front end 12 and hollow rotation axis front end 9 and be linked together, first annular seat 2 passes through sealed bearing with second annular seat 4 and is connected, second connecting pipe 3 passes through threaded connection with hollow rotation axis front end 9, improve this device leakproofness, be equipped with first snap ring 6 and second snap ring 8, improve first connecting pipe 1 and second connecting pipe 3 leakproofness, prevent the oil leak, this device simple structure can effectively prevent the oil leak.
An oil pipe joint is arranged on one side of the first annular seat 2, an oil pipe body 11 is arranged on one side of the oil pipe joint, and the first connecting pipe 1 is connected with the oil pipe body 11 through the oil pipe joint.
The oil pipe joint comprises a joint front end 12 and a joint rear end 13, the joint front end 12 is fixedly connected with the first annular seat 2, the joint rear end 13 is fixedly connected with the oil pipe body 11, and the oil pipe joint connects the first connecting pipe 1 with the oil pipe body 11.
5 quantity of first annular set up to two, 6 quantity of first snap ring set up to two, 7 quantity of second annular set up to three, 8 quantity of second snap ring set up to three, are equipped with first snap ring 6 and second snap ring 8, improve first connecting pipe 1 and 3 leakproofness of second connecting pipe, prevent the oil leak.
As shown in fig. 1-3: the draw-in groove 14 has been seted up to second connecting pipe 3 surface, hollow rotation axis front end 9 surface is equipped with first sealing ring 15, improves hollow rotation axis front end 9 and second connecting pipe 3 leakproofness, prevents the oil leak.
The sealed pad 17 of 16 inner wall fixedly connected with of second sealing ring, sealed pad 17 and draw-in groove 14 phase-matches, sealed pad 17 and draw-in groove 14 joint improve hollow rotation axis front end 9 and second connecting pipe 3 leakproofness, prevent the oil leak.
This practical theory of operation:
referring to the attached drawings 1-4 of the specification, when the device is used, the front end 12 of the connector is communicated with the front end 9 of the hollow rotating shaft by arranging the first connecting pipe 1 and the second connecting pipe 3, the first annular seat 2 is connected with the second annular seat 4 by a sealing bearing, the second connecting pipe 3 is connected with the front end 9 of the hollow rotating shaft by threads, the sealing performance of the device is improved, the first clamping ring 6 and the second clamping ring 8 are arranged, the sealing performance of the first connecting pipe 1 and the second connecting pipe 3 is improved, oil leakage is prevented, the device is simple in structure, and oil leakage can be effectively prevented;
referring to the attached drawings 1-3 of the specification, when the sealing device is used, a first sealing ring 15 and a second sealing ring 16 are arranged, the first sealing ring 15 is connected with the front end 9 of the hollow rotating shaft through threads, and a sealing gasket 17 is clamped with a clamping groove 14, so that the sealing performance of the front end 9 of the hollow rotating shaft and the second connecting pipe 3 is improved, and oil leakage is prevented.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (8)
1. The utility model provides a be used for gasoline engine fuel tank oil feed structure, includes first connecting pipe (1), its characterized in that: the connecting structure is characterized in that a first annular seat (2) is fixedly connected to one side of the first connecting pipe (1), a second connecting pipe (3) is arranged on the outer surface of the first connecting pipe (1), the inner wall of the second connecting pipe (3) is matched with the first connecting pipe (1), a second annular seat (4) is fixedly connected to one side of the second connecting pipe (3), the first annular seat (2) is arranged inside the second annular seat (4), the first annular seat (2) is connected with the second annular seat (4) through a sealing bearing, a first annular groove (5) is formed in one side of the first annular seat (2), a first clamping ring (6) is fixedly connected to the inner wall of the second annular seat (4), the first annular groove (5) is matched with the first clamping ring (6), a second annular groove (7) is formed in the inner wall of the second connecting pipe (3), a second clamping ring (8) is fixedly connected to the outer surface of the first connecting pipe (1), second annular (7) and second snap ring (8) phase-match, second connecting pipe (3) surface is equipped with hollow rotation axis front end (9), second connecting pipe (3) pass through threaded connection with hollow rotation axis front end (9), hollow rotation axis front end (9) one side fixedly connected with hollow rotation axis rear end (10), hollow rotation axis rear end (10) inner wall and first connecting pipe (1) phase-match.
2. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 1, characterized in that: an oil pipe joint is arranged on one side of the first annular seat (2), and an oil pipe body (11) is arranged on one side of the oil pipe joint.
3. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 2, characterized in that: the oil pipe joint comprises a joint front end (12) and a joint rear end (13), the joint front end (12) is fixedly connected with the first annular seat (2), and the joint rear end (13) is fixedly connected with the oil pipe body (11).
4. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 1, characterized in that: the number of the first annular grooves (5) is two, the number of the first snap rings (6) is two, the number of the second annular grooves (7) is three, and the number of the second snap rings (8) is three.
5. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 1, characterized in that: the outer surface of the second connecting pipe (3) is provided with a clamping groove (14), and the outer surface of the front end (9) of the hollow rotating shaft is provided with a first sealing ring (15).
6. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 5, characterized in that: first sealing ring (15) and hollow rotation axis front end (9) pass through threaded connection, first sealing ring (15) one side fixedly connected with second sealing ring (16), second sealing ring (16) inner wall and second connecting pipe (3) phase-match.
7. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 6, characterized in that: the inner wall of the second sealing ring (16) is fixedly connected with a sealing gasket (17), and the sealing gasket (17) is matched with the clamping groove (14).
8. The fuel inlet structure for the fuel tank of the gasoline engine according to claim 7, characterized in that: the sealing gasket (17) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980217.5U CN215486323U (en) | 2021-08-23 | 2021-08-23 | Oil inlet structure for fuel tank of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980217.5U CN215486323U (en) | 2021-08-23 | 2021-08-23 | Oil inlet structure for fuel tank of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486323U true CN215486323U (en) | 2022-01-11 |
Family
ID=79764061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121980217.5U Active CN215486323U (en) | 2021-08-23 | 2021-08-23 | Oil inlet structure for fuel tank of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486323U (en) |
-
2021
- 2021-08-23 CN CN202121980217.5U patent/CN215486323U/en active Active
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