CN211598889U - Double-layer protection type high-pressure oil pipe - Google Patents
Double-layer protection type high-pressure oil pipe Download PDFInfo
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- CN211598889U CN211598889U CN201921739888.5U CN201921739888U CN211598889U CN 211598889 U CN211598889 U CN 211598889U CN 201921739888 U CN201921739888 U CN 201921739888U CN 211598889 U CN211598889 U CN 211598889U
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- pipe
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- pressure oil
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- oil pipe
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Abstract
The utility model relates to a double-layer protection type high-pressure oil pipe, which belongs to the technical field of high-pressure oil pipes, and comprises high-pressure oil pipes on the left side and the right side, a sleeve A is arranged on the high-pressure oil pipe on the right side, a connecting sleeve is arranged between the sleeve A and the sleeve A, one end of the sleeve is connected with the connecting sleeve, the other end is provided with a connecting nut A, one end of the sleeve A is connected with the connecting sleeve, the other end is provided with a connecting nut B, O-shaped sealing rings are arranged between the sleeve and the connecting nut A and between the sleeve A and the connecting nut B, backflow is carried out through the connecting gap between the high-pressure oil pipe and the connecting nut A or between the high-pressure oil pipe and the connecting nut B, in order to reduce backflow resistance, an oil return gap is additionally arranged between the, ensuring that the leaked fuel can naturally flow out.
Description
Technical Field
The utility model relates to a double-deck protection formula high pressure fuel pipe, it belongs to high pressure fuel pipe technical field.
Background
The application range of the existing high-pressure oil pipe is wide, once the high-pressure oil pipe is broken, fuel oil can be splashed, and personal and property safety in the using process can not be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of existence among the above-mentioned prior art, provide a double-deck protection formula high pressure fuel pipe.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a double-deck protection formula high pressure fuel pipe, includes the high pressure fuel pipe of left side and right side both sides, be equipped with the sleeve pipe on the left high pressure fuel pipe, be equipped with sleeve pipe first on the high pressure fuel pipe on right side, be equipped with adapter sleeve between sleeve pipe and the sleeve pipe first, sleeve pipe one end and adapter sleeve connection, the other end are equipped with coupling nut first, sleeve pipe first one end and coupling sleeve connection, the other end are equipped with coupling nut second, all be equipped with O type sealing washer between sleeve pipe and coupling nut first and sleeve pipe first and the coupling nut second.
Furthermore, an oil return gap is formed between the connecting end of the high-pressure oil pipe and the connecting nut A and between the connecting end of the high-pressure oil pipe and the connecting nut B respectively.
Furthermore, washers are arranged between the connecting end of the high-pressure oil pipe and the connecting nut A and between the connecting end of the high-pressure oil pipe and the connecting nut B respectively.
The utility model provides a double-deck protection formula high pressure fuel pipe, includes high pressure fuel pipe, high pressure fuel pipe is last to be equipped with the sleeve pipe, sleeve pipe one end is equipped with coupling nut first, and the other end is equipped with coupling nut second, be equipped with the type sealing washer between sleeve pipe and coupling nut first and coupling nut second wherein one end, do not establish type sealing washer one end and be located the low side.
Further, a gasket is arranged between the connecting end of the high-pressure oil pipe and the connecting nut A.
Further, the connecting end of the high-pressure oil pipe is a pier head.
Compared with the prior art, the beneficial effects of the utility model are that: the high-pressure oil pipe is connected with the connecting nut A or the connecting nut B through a connecting gap for backflow, and an oil return gap is additionally arranged between the connecting end of the high-pressure oil pipe and the connecting nut A or the connecting nut B respectively in order to reduce backflow resistance, so that the problem of oil injection of the high-pressure oil pipe is effectively solved, and the leaked fuel oil can naturally flow out.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1, a connecting nut A; 2. a gasket; 3. a high pressure oil pipe; 4. an O-shaped sealing ring; 5. a sleeve; 6. connecting a sleeve; 7. a sleeve A; 8. and a nut B is connected.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The utility model provides a double-deck protection formula high pressure fuel pipe, includes the high pressure fuel pipe 3 of left side and right side both sides, be equipped with sleeve pipe 5 on the left high pressure fuel pipe 3, be equipped with sleeve pipe first 7 on the high pressure fuel pipe 3 on right side, be equipped with adapter sleeve 6 between sleeve pipe 5 and the sleeve pipe first 7, 5 one end of sleeve pipe and adapter sleeve 6 are connected, the other end is equipped with coupling nut first 1, sleeve pipe first 7 one end is connected with adapter sleeve 6, the other end is equipped with coupling nut second 8, all be equipped with O type sealing washer 4 between sleeve pipe 5 and coupling nut first 1 and sleeve pipe first 7 and the coupling nut second 8.
And an oil return gap is arranged between the connecting end of the high-pressure oil pipe 3 and the connecting nut A1 and the connecting nut B8 respectively.
And a washer 2 is arranged between the connecting end of the high-pressure oil pipe 3 and the connecting nut A1 and the connecting nut B8 respectively.
The utility model provides a double-deck protection formula high pressure fuel pipe, includes high pressure fuel pipe 3, be equipped with sleeve pipe 5 on high pressure fuel pipe 3, 5 one end of sleeve pipe are equipped with coupling nut A1, the other end is equipped with coupling nut second 8, sleeve pipe 5 and coupling nut A1 and coupling nut second 8 wherein are equipped with O type sealing washer 4 between one end, do not establish O type sealing washer 4 one end and lie in the low side.
And a washer 2 is arranged between the connecting end of the high-pressure oil pipe 3 and the connecting nut A1.
The connecting end of the high-pressure oil pipe 3 is a pier head.
When the oil return device is used, oil return is blocked by the O-shaped sealing ring 4, backflow is carried out through a connecting gap between the high-pressure oil pipe 3 and the connecting nut A1 or the connecting nut B8, in order to reduce backflow resistance, oil return gaps are additionally arranged between the connecting end of the high-pressure oil pipe 3 and the connecting nut A1 and the connecting nut B8 respectively, the problem of oil injection of the high-pressure oil pipe 3 is effectively solved, and natural outflow of leaked fuel oil is ensured; the other scheme is that an O-shaped sealing ring 4 is arranged at one end of the high-pressure oil pipe 3, and the O-shaped sealing ring 4 is not additionally arranged at the other end of the high-pressure oil pipe, so that the problem of oil injection of the high-pressure oil pipe 3 is effectively solved, and the leaked fuel oil is ensured to naturally flow out from a connecting nut at the lower end.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a double-deck protection formula high pressure fuel pipe which characterized in that: high pressure fuel pipe (3) including left side and right side both sides, be equipped with sleeve pipe (5) on left high pressure fuel pipe (3), be equipped with sleeve pipe first (7) on high pressure fuel pipe (3) on right side, be equipped with between sleeve pipe (5) and sleeve pipe first (7) connecting sleeve (6), sleeve pipe (5) one end is connected with connecting sleeve pipe (6), the other end is equipped with coupling nut first (1), sleeve pipe first (7) one end is connected with connecting sleeve pipe (6), the other end is equipped with coupling nut second (8), all be equipped with O type sealing washer (4) between sleeve pipe (5) and coupling nut first (1) and sleeve pipe first (7) and coupling nut second (8).
2. The double-layer protective high pressure oil pipe of claim 1, wherein: and an oil return gap is arranged between the connecting end of the high-pressure oil pipe (3) and the connecting nut A (1) and the connecting nut B (8) respectively.
3. The double-layer protective high pressure oil pipe of claim 1, wherein: and a washer (2) is arranged between the connecting end of the high-pressure oil pipe (3) and the connecting nut A (1) and the connecting nut B (8) respectively.
4. The utility model provides a double-deck protection formula high pressure fuel pipe, includes high pressure fuel pipe (3), be equipped with sleeve pipe (5) on high pressure fuel pipe (3), sleeve pipe (5) one end is equipped with coupling nut first (1), the other end is equipped with coupling nut second (8), its characterized in that: and an O-shaped sealing ring (4) is arranged between the sleeve (5) and one of the ends of the connecting nut A (1) and the connecting nut B (8), and the end without the O-shaped sealing ring (4) is positioned at the lower end.
5. The double-layer protective high pressure oil pipe of claim 4, wherein: and a washer (2) is arranged between the connecting end of the high-pressure oil pipe (3) and the connecting nut A (1).
6. The double-layer protection type high pressure oil pipe according to any one of claims 1 to 5, wherein: the connecting end of the high-pressure oil pipe (3) is a pier head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739888.5U CN211598889U (en) | 2019-10-17 | 2019-10-17 | Double-layer protection type high-pressure oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739888.5U CN211598889U (en) | 2019-10-17 | 2019-10-17 | Double-layer protection type high-pressure oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211598889U true CN211598889U (en) | 2020-09-29 |
Family
ID=72585837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921739888.5U Active CN211598889U (en) | 2019-10-17 | 2019-10-17 | Double-layer protection type high-pressure oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211598889U (en) |
-
2019
- 2019-10-17 CN CN201921739888.5U patent/CN211598889U/en active Active
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