Reversely-woven high-pressure oil pipe
By adopting a reverse braided structure and the combination of heat-resistant rubber and wire connection layer in the high-pressure oil pipe, combined with the design of fixing cards and bolts, the problem of uneven oil pipes in the high-pressure oil pipes is solved, and more stable oil pipe structure and better sealing.
Patent Information
- Application Number
- CN202323571913.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-27
AI Technical Summary
The existing high-pressure oil pipes have uneven oil pressure and fatigue strength, which may cause damage to the pipe body, especially when uneven pressure is under in the long pipe body.
High-pressure oil pipe with reverse braided structure is combined with heat-resistant rubber and wire connection layer, and fixed with fixing cards and bolts on the outside, adding an intermediate reinforcement layer to improve stability, and at the connection between the oil pipe body and the nut Set the compression ring to improve connectivity.
It effectively improves the stability and stability of the oil pipe, prevents damage caused by uneven pressure caused by the long pipe body, and enhances the sealing and connection strength of the pipe body.
Smart Images
Figure CN222142270U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-pressure oil pipes, in particular to a reversely braided high-pressure oil pipe. Background Art
[0002] The high-pressure oil pipe is a component of the high-pressure oil circuit. The oil pipe is required to withstand a certain oil pressure and have a certain fatigue strength to ensure the sealing requirements of the pipeline. The automotive high-pressure oil pipe mainly appears in high-pressure injection diesel engines and high-pressure injection direct injection gasoline engines. It can withstand the oil pressure required during the operation of the engine. In order to improve the stability of the oil pipe body, a reverse-braided high-pressure oil pipe is provided. When the length of the oil pipe body is certain, in order to improve the stability, a reinforcement structure is provided in the middle section of the oil pipe body to avoid damage to the oil pipe body due to uneven pressure caused by the excessive length of the oil pipe body. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art and provides a reverse-braided high-pressure oil pipe, which is provided with an intermediate reinforcement layer, which is in contact with the rubber wire connecting layer by using heat-resistant rubber and in contact with the outside of the heat-resistant rubber by using fixing cards, and the front and rear fixing cards are fixed by bolts, and in order to protect the rubber wire connecting layer from being damaged, a fixing card is used to connect the outside of the steel wire connecting layer where the rubber wire connecting layer is not provided, and in order to improve the connectivity between the oil pipe body and the nut, a clamping ring is provided at the contact position.
[0004] The utility model also provides a reverse braided high-pressure oil pipe, comprising: a rubber wire connection layer, the inner wall of the rubber wire connection layer is in contact with the steel wire connection layer, the inner wall of the steel wire connection layer is in contact with the oil pipe body, the outer surface of the oil pipe body is provided with a thread groove, the outer surface of the thread groove is threadedly connected with a nut through a first threaded hole, and the upper surface of the nut is provided with a groove;
[0005] The outer surface of the rubber wire connecting layer contacts the heat-resistant rubber, the outer surface of the heat-resistant rubber contacts the fixing card, the side surface of the fixing card is provided with a second threaded hole, the inner wall of the second threaded hole is threadedly connected with a bolt.
[0006] According to the reversely braided high-pressure oil pipe, a clamping ring is provided on the inner wall of the groove, and the inner wall of the clamping ring is in contact with the oil pipe body.
[0007] According to the reverse braided high-pressure oil pipe, the number of the rubber wire connection layers is multiple and distributed front to back, and the front surface of the heat-resistant rubber is in contact with the steel wire connection layer.
[0008] According to the reversely braided high-pressure oil pipe, the number of the heat-resistant rubber is multiple and symmetrically distributed, and the front surface of the oil pipe body is provided with an annular cone.
[0009] According to the reverse-braided high-pressure oil pipe, the number of the fixing clips is multiple and symmetrically distributed.
[0010] According to the reverse-braided high-pressure oil pipe, the number of the bolts is multiple and symmetrically distributed.
[0011] According to the reversely braided high-pressure oil pipe, the outer surface of the rubber wire connecting layer is in contact with the nut, and the outer surface of the steel wire connecting layer is in contact with the nut.
[0012] According to the reverse braided high-pressure oil pipe, a fixing piece is fixedly connected to the rear surface of the bolt, and a front surface of the fixing piece is in contact with a fixing card.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0015] Figure 1 This is the overall structure diagram of a reverse braided high-pressure oil pipe of the utility model;
[0016] Figure 2 This is a diagram of a connection device for a reversely braided high-pressure oil pipe according to the utility model;
[0017] Figure 3 This is a fixed connection diagram of a reverse braided high-pressure oil pipe of the utility model;
[0018] Figure 4 This is a diagram of a reinforcement device for a reversely braided high-pressure oil pipe according to the utility model.
[0019] Legend:
[0020] 1. Rubber wire connecting layer; 2. Steel wire connecting layer; 3. Oil pipe body; 4. Threaded groove; 5. Annular cone; 6. Clamping ring; 7. First threaded hole; 8. Groove; 9. Nut; 10. Heat-resistant rubber; 11. Fixing card; 12. Second threaded hole; 13. Bolt; 14. Fixing piece. DETAILED DESCRIPTION
[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0022] Reference Figure 1-4 The utility model embodiment is a reverse braided high-pressure oil pipe, which includes a rubber wire connection layer 1, the inner wall of the rubber wire connection layer 1 is in contact with the steel wire connection layer 2, the inner wall of the steel wire connection layer 2 is in contact with the oil pipe body 3, the outer surface of the oil pipe body 3 is provided with a thread groove 4, the outer surface of the thread groove 4 is threadedly connected with a nut 9 through a first threaded hole 7, and the upper surface of the nut 9 is provided with a groove 8;
[0023] The outer surface of the rubber wire connecting layer 1 is in contact with the heat-resistant rubber 10, and the outer surface of the heat-resistant rubber 10 is in contact with the fixing card 11. The side surface of the fixing card 11 is provided with a second threaded hole 12, and the inner wall of the second threaded hole 12 is threadedly connected with a bolt 13. The inner wall of the groove 8 is provided with a clamping ring 6, and the inner wall of the clamping ring 6 is in contact with the oil pipe body 3. The number of rubber wire connecting layers 1 is multiple and distributed front and back, the front surface of the heat-resistant rubber 10 is in contact with the steel wire connecting layer 2, the number of heat-resistant rubbers 10 is multiple and symmetrically distributed, the front surface of the oil pipe body 3 is provided with an annular cone 5, the number of fixing cards 11 is multiple and symmetrically distributed, the number of bolts 13 is multiple and symmetrically distributed, the outer surface of the rubber wire connecting layer 1 is in contact with the nut 9, the outer surface of the steel wire connecting layer 2 is in contact with the nut 9, the rear surface of the bolt 13 is fixedly connected with a fixing part 14, and the front surface of the fixing part 14 is in contact with the fixing card 11.
[0024] Working principle: The front surface of the oil pipe body 3 of the device is provided with an annular cone 5, and the outer surface is connected to the nut 9 through a threaded groove 4. The outer surface of the oil pipe body 3 is provided with a steel wire connection layer 2, and the outer surface of the steel wire connection layer 2 is provided with a rubber wire connection layer 1. In order to improve the uneven force of the oil pipe body 3 caused by the length, a fixing card 11 is provided in the middle section and connected by bolts 13. In order to prevent the rubber wire connection layer 1 from falling off due to the extrusion of the fixing card 11, a heat-resistant rubber 10 is provided on the inner wall of the fixing card 11, and the lower part is directly in contact with the steel wire connection layer 2.
[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A reverse braided high pressure oil pipe, characterized in that: include: A rubber wire connecting layer (1), the inner wall of the rubber wire connecting layer (1) contacts the steel wire connecting layer (2), the inner wall of the steel wire connecting layer (2) contacts the oil pipe body (3), the outer surface of the oil pipe body (3) is provided with a thread groove (4), the outer surface of the thread groove (4) is threadedly connected with a nut (9) through a first threaded hole (7), and the upper surface of the nut (9) is provided with a groove (8); The outer surface of the rubber thread connecting layer (1) is in contact with the heat-resistant rubber (10), and the outer surface of the heat-resistant rubber (10) is in contact with the fixing card (11). The side surface of the fixing card (11) is provided with a second threaded hole (12), and the inner wall of the second threaded hole (12) is threadedly connected with a bolt (13).
2. A reverse braided high pressure oil pipe according to claim 1, characterized in that: The inner wall of the groove (8) is provided with a clamping ring (6), and the inner wall of the clamping ring (6) is in contact with the oil pipe body (3).
3. The reverse braided high pressure oil pipe according to claim 1, characterized in that: The rubber wire connection layer (1) is multiple in number and distributed front to back, and the front surface of the heat-resistant rubber (10) is in contact with the steel wire connection layer (2).
4. The reverse braided high pressure oil pipe according to claim 1, characterized in that: The heat-resistant rubber (10) is in multiple numbers and symmetrically distributed, and an annular cone (5) is provided on the front surface of the oil pipe body (3).
5. The reverse braided high pressure oil pipe according to claim 1, characterized in that: The number of the fixing cards (11) is multiple and symmetrically distributed.
6. The reverse braided high pressure oil pipe according to claim 1, characterized in that: The bolts (13) are multiple and symmetrically distributed.
7. The reverse braided high pressure oil pipe according to claim 1, characterized in that: The outer surface of the rubber wire connecting layer (1) is in contact with the nut (9), and the outer surface of the steel wire connecting layer (2) is in contact with the nut (9).
8. The reverse braided high pressure oil pipe according to claim 1, characterized in that: A fixing piece (14) is fixedly connected to the rear surface of the bolt (13), and a front surface of the fixing piece (14) is in contact with the fixing card (11).