CN215172949U - Anti-cracking high-pressure oil pipe nut - Google Patents
Anti-cracking high-pressure oil pipe nut Download PDFInfo
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- CN215172949U CN215172949U CN202120481458.9U CN202120481458U CN215172949U CN 215172949 U CN215172949 U CN 215172949U CN 202120481458 U CN202120481458 U CN 202120481458U CN 215172949 U CN215172949 U CN 215172949U
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Abstract
The utility model discloses a prevent high pressure oil pipe nut that ftractures relates to high pressure fuel pipe technique, including the screw thread body, the one end of screw thread body sets up to the round platform form, first recess has been seted up on the one end surface of screw thread body, the other end fixed surface of screw thread body is connected with connecting portion, the slot has been seted up to one side cell wall of first recess, the inboard cell wall of slot is provided with first internal thread, the second recess has been seted up to the inboard cell wall of slot, the second recess sets up to the heliciform. The utility model discloses a first recess has been seted up on the one end surface at the screw thread body, and one side cell wall of first recess has been seted up and has been provided with first internal screw thread slot, through having seted up the second recess in first internal screw thread depressed part, the inside sealing strip that is provided with of second recess, and after high pressure fuel pipe and screw thread body threaded connection, high pressure fuel pipe's external screw thread bellying and sealing strip laminated completely, improved the leakproofness of this device greatly.
Description
Technical Field
The utility model relates to a high pressure fuel pipe technique, in particular to prevent high pressure fuel pipe nut that ftractures.
Background
Once fuel is leaked, diesel oil is directly leaked into a cylinder through threads of a pipe connecting nut to cause that the diesel oil is mixed into engine oil for a diesel engine in an installation mode that a fuel injector is positioned in the cylinder, the traditional high-pressure nut has poor pressure resistance and is easy to deform to cause leakage, the traditional high-pressure nut has poor sealing performance and is easy to leak after a long time, and therefore the cracking-preventing high-pressure fuel pipe nut is provided to solve the problem in a necessary mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent high pressure oil pipe nut that ftractures to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent high pressure oil pipe nut that ftractures, includes the screw thread body, the one end of screw thread body sets up to the round platform form, first recess has been seted up to the one end surface of screw thread body, the other end fixed surface of screw thread body is connected with connecting portion, the slot has been seted up to one side cell wall of first recess, the inboard cell wall of slot is provided with first internal thread, the second recess has been seted up to the inboard cell wall of slot, the second recess sets up to the heliciform, and the second recess is located first internal thread depressed part, the inside fixedly connected with sealing strip of second recess, the last of sealing strip is located through the horizontal plane with the inboard cell wall of slot, the oil pipe groove has been seted up to the one end cell wall of slot.
Preferably, the inner side groove wall of the oil pipe groove is fixedly connected with a first sealing ring, and the first sealing ring is attached to the surface of the high-pressure oil pipe.
Preferably, a through groove is formed in the surface of one side of the connecting part, and the through groove is communicated with the oil pipe groove.
Preferably, the inner side groove wall of the through groove is provided with an internal thread, and the thread body is in threaded connection with external equipment through a connecting part.
Preferably, the inner side groove wall of the first groove is fixedly connected with a second sealing ring, and the inner side wall of the second sealing ring is attached to the joint of the high-pressure oil pipe.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the first recess on the one end surface of screw thread body, one side cell wall of first recess has been seted up and has been provided with the slot of first internal thread, through set up the second recess in the sunken department of first internal thread, the inside sealing strip that is provided with of second recess, after high pressure fuel pipe and screw thread body threaded connection, high pressure fuel pipe's external screw thread bellying and sealing strip laminate completely, improved the leakproofness of this device greatly;
2. the utility model discloses an oil pipe groove has been seted up at the one end cell wall of slot, oil pipe groove and high pressure fuel pipe looks adaptation to with high pressure fuel pipe spacing in oil pipe inslot portion, be provided with connecting portion through the other end at the screw thread body, connecting portion one side surface has been seted up and has been led to the groove, lead to the inslot portion and be provided with the second internal thread, be convenient for with connecting portion and external equipment threaded connection, improved the practicality of this device.
Drawings
Fig. 1 is a schematic side-sectional view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.
Fig. 3 is a schematic top view of the overall structure of the present invention.
In the figure: 1. a threaded body; 2. a first groove; 3. a connecting portion; 4. a slot; 5. a first internal thread; 6. a second groove; 7. a sealing strip; 8. an oil pipe groove; 9. a first seal ring; 10. a through groove; 11. a second internal thread; 12. and a second seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a cracking-proof high-pressure oil pipe nut as shown in figures 1-3, as shown in figure 1, comprising a thread body 1, one end of the thread body 1 is arranged in a round table shape, which avoids damaging the oil pipe when connecting with the high-pressure oil pipe, at the same time, the thread body 1 is made of high-strength titanium alloy material, which greatly improves the strength of the thread body 1, so that the thread body 1 is more durable, a first groove 2 is arranged on one end surface of the thread body 1, a connecting part 3 is fixedly connected on the other end surface of the thread body 1, a slot 4 is arranged on one side slot wall of the first groove 2, the high-pressure oil pipe is arranged inside the slot 4 in a penetrating way, an oil pipe slot 8 is arranged on one end slot wall of the slot 4, a first sealing ring 9 is fixedly connected on the inner side slot wall of the oil pipe slot 8, the first sealing ring 9 is attached to the surface of the high-pressure oil pipe, thereby avoiding the organic oil from seeping out through the high-pressure oil pipe, logical groove 10 has been seted up to a side surface of connecting portion 3, it is linked together with oil pipe groove 8 to lead to groove 10, the inboard cell wall that leads to groove 10 is provided with the internal thread, screw body 1 passes through connecting portion 3 and external equipment threaded connection, the staff of being convenient for is with external equipment and 3 threaded connection of connecting portion, thereby the practicality of this device has been improved, the inboard cell wall fixedly connected with second sealing washer 12 of first recess 2, the inside wall of second sealing washer 12 is laminated with high pressure fuel pipe's junction, avoid organic oil to ooze through first recess 2, the leakproofness of screw body 1 with high pressure fuel pipe junction has been improved.
As shown in fig. 2, the inner side wall of the slot 4 is provided with a first internal thread 5, the first internal thread 5 is screwed with an external thread arranged on the outer side of the high pressure oil pipe, so as to improve the connection tightness between the thread body 1 and the high pressure oil pipe, the inner side wall of the slot 4 is provided with a second groove 6, the second groove 6 is arranged in a spiral shape, the second groove 6 is positioned at the sunken part of the first internal thread 5, the inside of the second groove 6 is fixedly connected with a sealing strip 7, the upper surface of the sealing strip 7 and the inner side groove wall of the slot 4 are positioned on a passing horizontal plane, when the external thread arranged on the outer side of the high-pressure oil pipe is screwed and connected with the first internal thread 5 arranged on the inner side of the slot 4, the external thread convex part that the high pressure fuel pipe outside set up laminates with the sealing strip 7 of the inboard setting of slot 4, and then has improved the leakproofness of this device, avoids organic oil to go out through the high pressure fuel pipe seepage.
The utility model discloses the theory of operation:
this device is when using, at first peg graft high-pressure oil pipe and screw body 1, high-pressure oil pipe's tip is located oil pipe 8 insides, the external screw thread that high-pressure oil pipe's tip peripheral hardware set up closes with the internal thread of the inside setting of slot 4 soon and is connected, it is inside until high-pressure oil pipe is located oil pipe 8 completely, the laminating of the inside first sealing washer 9 that sets up of oil pipe 8 and oil pipe's outside surface, at this moment, the sealing strip 7 that sets up on the external screw thread bellying that the high-pressure oil pipe outside set up and the slot 4 inside wall laminates completely, thereby improved under the sealed between oil pipe and the screw body 1 greatly, can effectually prevent the seepage of machine oil, the practicality of this device has been improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a prevent high pressure fuel pipe nut that ftractures, includes screw thread body (1), its characterized in that: one end of the thread body (1) is round table-shaped, a first groove (2) is arranged on the surface of one end of the thread body (1), the surface of the other end of the thread body (1) is fixedly connected with a connecting part (3), a slot (4) is arranged on one side of the slot wall of the first groove (2), a first internal thread (5) is arranged on the inner side of the slot (4), a second groove (6) is arranged on the inner side groove wall of the slot (4), the second groove (6) is arranged in a spiral shape, and the second groove (6) is positioned at the sunken part of the first internal thread (5), the sealing strip (7) is fixedly connected inside the second groove (6), the upper surface of the sealing strip (7) and the inner side groove wall of the slot (4) are positioned on a horizontal plane, and an oil pipe groove (8) is formed in the groove wall of one end of the slot (4).
2. The anti-cracking high-pressure oil pipe nut as claimed in claim 1, wherein: the inner side groove wall of the oil pipe groove (8) is fixedly connected with a first sealing ring (9), and the first sealing ring (9) is attached to the surface of the high-pressure oil pipe.
3. The anti-cracking high-pressure oil pipe nut as claimed in claim 2, wherein: a through groove (10) is formed in the surface of one side of the connecting portion (3), and the through groove (10) is communicated with the oil pipe groove (8).
4. The anti-cracking high-pressure oil pipe nut as claimed in claim 3, wherein: the inner side groove wall of the through groove (10) is provided with internal threads, and the thread body (1) is in threaded connection with external equipment through the connecting part (3).
5. The anti-cracking high-pressure oil pipe nut as claimed in claim 4, wherein: the inner side groove wall of the first groove (2) is fixedly connected with a second sealing ring (12), and the inner side wall of the second sealing ring (12) is attached to the joint of the high-pressure oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120481458.9U CN215172949U (en) | 2021-03-06 | 2021-03-06 | Anti-cracking high-pressure oil pipe nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120481458.9U CN215172949U (en) | 2021-03-06 | 2021-03-06 | Anti-cracking high-pressure oil pipe nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172949U true CN215172949U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120481458.9U Active CN215172949U (en) | 2021-03-06 | 2021-03-06 | Anti-cracking high-pressure oil pipe nut |
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| Country | Link |
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| CN (1) | CN215172949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267484A (en) * | 2023-11-16 | 2023-12-22 | 河北龙锦管道装备有限公司 | High-strength carbon steel clamping and pressing type pipe fitting and preparation process thereof |
-
2021
- 2021-03-06 CN CN202120481458.9U patent/CN215172949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267484A (en) * | 2023-11-16 | 2023-12-22 | 河北龙锦管道装备有限公司 | High-strength carbon steel clamping and pressing type pipe fitting and preparation process thereof |
| CN117267484B (en) * | 2023-11-16 | 2024-01-26 | 河北龙锦管道装备有限公司 | Preparation method of high-strength carbon steel clamping and pressing type pipe fitting |
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