A new type of environmentally friendly, low-permeability fuel hose

Abstract

This utility model discloses a novel environmentally friendly, low-permeability fuel hose, relating to the field of hoses. The utility model includes a hose body with flanges installed at both ends. A fixing ring is installed on each flange, and multiple first and second mounting brackets are installed on the side of the fixing ring away from the flange. A protective plate is connected to the first mounting bracket via a first rotating shaft. This utility model incorporates a sleeve, a buffer rod, a movable block, a buffer spring, and a protective pad. When the connection between the hose body and the flange bends, it pushes the protective plate to rotate. The protective plate then compresses the buffer rod, causing the buffer rod to move the movable block, which in turn compresses the buffer spring, thus compressing the spring to resist bending and prevent damage caused by large-angle bending at the connection between the hose body and the flange. This improves the protection of the connection and extends its service life.

Description

Technical Field

[0001] This utility model relates to the field of hoses, specifically a new type of environmentally friendly, low-permeability fuel hose. Background Technology

[0002] Low-permeability fuel hoses are flexible pipes used to transport fuels (such as gasoline, diesel, and ethanol blends). Their core characteristic is a significant reduction in the permeability of fuel volatiles (hydrocarbons), thereby reducing environmental pollution and improving safety and fuel efficiency.

[0003] Existing low-permeability fuel hoses are typically fitted with flanges at both ends for connection to external pipelines. However, the connection between the low-permeability fuel hose and the flange has poor bending resistance. Although the low-permeability fuel hose can be bent, significant bending at the connection point can easily damage the joint, thus reducing the service life of the low-permeability fuel hose. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a new type of environmentally friendly low-permeability fuel hose to solve the technical problem of poor bending resistance at the connection between the low-permeability fuel hose and the flange.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel environmentally friendly low-permeability fuel hose, comprising a hose body, flanges installed at both ends of the hose body, fixing rings installed on the flanges, and multiple first mounting brackets and second mounting brackets installed on the side of the fixing rings away from the flanges. A protective plate is connected to the first mounting bracket via a first rotating shaft, and a sleeve is connected to the second mounting bracket via a second rotating shaft. A buffer spring is installed inside the sleeve, and a movable block is connected to one end of the buffer spring. A buffer rod extending through the sleeve is installed on the movable block, and the top end of the buffer rod is rotatably connected to the protective plate via a rotating shaft. A torsion spring is sleeved on the outer wall of the second rotating shaft.

[0006] By adopting the above technical solution, when the moving block moves, it will squeeze the buffer spring, causing the buffer spring to be compressed and thus play a buffering role.

[0007] Furthermore, one end of the torsion spring is fixedly connected to the sleeve, and the other end of the torsion spring is fixedly connected to the second mounting bracket.

[0008] By adopting the above technical solution, the torsion spring is designed to facilitate the subsequent reset of the sleeve.

[0009] Furthermore, the hose body comprises an inner hose, a THV layer, a shielding layer, an aramid layer, and an outer hose arranged from the inside out.

[0010] By adopting the above technical solution, the THV material layer has excellent resistance to fuel penetration, which can effectively prevent fuel from penetrating into the external environment, thereby reducing fuel waste and environmental pollution.

[0011] Furthermore, the aramid layer has a mesh structure, the inner tubing has a thickness of 0.7–1.3 mm, the shielding layer has a thickness of 0.1–0.25 mm, the aramid layer has a thickness of 1.5 mm, and the outer tubing has a thickness of 2.5 mm.

[0012] By adopting the above technical solution, the addition of the aramid layer can improve the compressive strength of the hose body.

[0013] Furthermore, the inner tubing is made of FKM material, and the outer tubing is made of ECO material.

[0014] By adopting the above technical solutions, FKM materials have excellent properties such as oil resistance, high temperature resistance, solvent resistance, strong acid resistance, and strong oxidant resistance.

[0015] Furthermore, the inner wall of the protective plate is provided with a protective pad, which is made of FKM material, and the inner wall of the protective pad is attached to the outer wall of the hose body.

[0016] By adopting the above technical solution, the protective pad can prevent the protective plate from directly contacting the outer wall of the hose body.

[0017] Furthermore, both the buffer spring and the torsion spring are made of nickel-based alloy material.

[0018] By adopting the above technical solutions, the corrosion resistance and fatigue resistance of buffer springs and torsion springs can be improved.

[0019] Furthermore, a sealing gasket is installed on the side of the flange away from the hose body.

[0020] By adopting the above technical solution, the sealing gasket can improve the sealing performance after the hose connection.

[0021] Furthermore, the protective plate is rotatably connected to the first mounting bracket via a first rotating shaft, and both the protective plate and the protective pad are arc-shaped.

[0022] By adopting the above technical solution, when the connection between the hose body and the flange is bent, it will push the protective plate to rotate.

[0023] Furthermore, the buffer rod is slidably connected to the sleeve via a movable block.

[0024] By adopting the above technical solution, the moving block can be pushed to slide inside the sleeve when the buffer rod moves.

[0025] In summary, the present invention has the following main advantages:

[0026] 1. This utility model is equipped with a sleeve, a buffer rod, a movable block, a buffer spring, and a protective pad. When the connection between the hose body and the flange bends, it will push the protective plate to rotate. The protective plate will then squeeze the buffer rod, causing the buffer rod to push the movable block to move. The movable block will then squeeze the buffer spring, causing the buffer spring to be compressed and thus playing an anti-bending role. This will prevent the connection between the hose body and the flange from bending at a large angle and causing damage, thereby improving the protection effect of the connection and extending the service life.

[0027] 2. This utility model is provided with a first rotating shaft to allow the first mounting bracket to rotate, a second rotating shaft to facilitate the rotation of the sleeve, and a torsion spring to facilitate the reset of the sleeve. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the overall orthographic structure of this utility model;

[0030] Figure 3 This is a schematic diagram of the protective plate structure of this utility model;

[0031] Figure 4 This is a schematic diagram of the sleeve structure of this utility model;

[0032] Figure 5 This is a schematic diagram of the torsion spring structure of this utility model;

[0033] Figure 6 This is a schematic diagram of the outer tubing structure of this utility model;

[0034] Figure 7 For the present utility model Figure 2 A magnified structural diagram of point A in the middle.

[0035] In the diagram: 1. Hose body; 101. Inner hose; 102. THV layer; 103. Shielding layer; 104. Aramid layer; 105. Outer hose; 2. Flange; 3. Sealing gasket; 4. Fixing ring; 5. First rotating shaft; 6. First mounting bracket; 7. Protective pad; 8. Second mounting bracket; 9. Second rotating shaft; 10. Sleeve; 11. Buffer spring; 12. Movable block; 13. Buffer rod; 14. Protective plate; 15. Torsion spring. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0037] The embodiments of this utility model will be described below based on its overall structure.

[0038] Example 1:

[0039] A new type of environmentally friendly, low-permeability fuel hose, such as Figures 1-7 As shown, the device includes a hose body 1, with flanges 2 installed at both ends. The hose body 1 comprises an inner hose 101, a THV layer 102, a shielding layer 103, an aramid layer 104, and an outer hose 105 arranged from the inside out. The THV material layer has excellent fuel permeability resistance, effectively preventing fuel from penetrating into the external environment, thereby reducing fuel waste and environmental pollution. The aramid layer 104 has a mesh structure. The thickness of the inner hose 101 is 0.7–1.3 mm, the thickness of the shielding layer 103 is 0.1–0.25 mm, the thickness of the aramid layer 104 is 1.5 mm, and the thickness of the outer hose 105 is 2.5 mm. The aramid layer 104 can improve the compressive strength of the hose body 1. The inner hose 101 is made of FKM material, and the outer hose 105 is made of ECO material. FKM material has excellent oil resistance, high temperature resistance, solvent resistance, strong acid resistance, and strong oxidant resistance.

[0040] See Figures 1-4 A retaining ring 4 is installed on the flange 2, and multiple first mounting brackets 6 and second mounting brackets 8 are installed on the side of the retaining ring 4 away from the flange 2. A protective plate 14 is connected to the first mounting bracket 6 through a first rotating shaft 5, and a sleeve 10 is connected to the second mounting bracket 8 through a second rotating shaft 9. A protective pad 7 is provided on the inner wall of the protective plate 14. The protective pad 7 is made of FKM material. The inner wall of the protective pad 7 is in contact with the outer wall of the hose body 1. The setting of the protective pad 7 can prevent the protective plate 14 from directly contacting the outer wall of the hose body 1. The buffer spring 11 and the torsion spring 15 are both made of nickel-based alloy material in order to improve the corrosion resistance and fatigue resistance of the buffer spring 11 and the torsion spring 15.

[0041] Specifically, a buffer spring 11 is installed inside the sleeve 10, and one end of the buffer spring 11 is connected to a movable block 12. A buffer rod 13 is installed on the movable block 12, extending through the outside of the sleeve 10. The top end of the buffer rod 13 is rotatably connected to the protective plate 14 via a rotating shaft. When the movable block 12 moves, it will squeeze the buffer spring 11, causing the buffer spring 11 to be compressed to provide a buffering effect. A torsion spring 15 is sleeved on the outer wall of the second rotating shaft 9. One end of the torsion spring 15 is fixedly connected to the sleeve 10, and the other end of the torsion spring 15 is fixedly connected to the second mounting bracket 8. The torsion spring 15 facilitates the subsequent reset of the sleeve 10. The protective plate 14 is rotatably connected to the first mounting bracket 6 via the first rotating shaft 5. Both the protective plate 14 and the protective pad 7 are arc-shaped. When the connection between the hose body 1 and the flange 2 is bent, it will push the protective plate 14 to rotate. The buffer rod 13 is slidably connected to the sleeve 10 via the movable block 12, so that when the buffer rod 13 moves, it can push the movable block 12 to slide inside the sleeve 10.

[0042] Example 2:

[0043] Based on the above embodiment 1, after connecting the hose body 1 through the flange 2, the following structure will be set to improve the sealing performance of the connection of the hose body 1.

[0044] See Figures 1-3 A sealing gasket 3 is installed on the side of the flange 2 away from the hose body 1. The sealing gasket 3 is made of hydrogenated nitrile rubber. The sealing gasket 3 can improve the sealing performance after the hose is connected and prevent leakage.

[0045] The working principle of this utility model is as follows: First, the THV material layer has excellent fuel permeability resistance, which can effectively prevent fuel from penetrating into the external environment, thereby reducing fuel waste and environmental pollution. The aramid layer 104 has a mesh structure, which can improve the compressive strength of the hose body 1. The inner hose 101 is made of FKM material, which has oil resistance, high temperature resistance and strong acid resistance. A flange 2 is provided to connect the hose body 1. A sealing gasket 3 is provided on the flange 2 to improve the sealing performance of the flange 2 connection.

[0046] When the connection between the hose body 1 and the flange 2 is bent, it will push the protective plate 14 to rotate. The protective plate 14 will then squeeze the buffer rod 13, causing the buffer rod 13 to push the movable block 12 to move. The movable block 12 will then squeeze the buffer spring 11, causing the buffer spring 11 to be compressed to resist bending and prevent the connection between the hose body 1 and the flange 2 from being bent at a large angle and causing damage, thereby improving the protection effect at the connection between the hose body 1 and the flange 2.

[0047] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A new type of environment-friendly low-permeability fuel hose, comprising a hose body (1), characterized in that: Flanges (2) are installed at both ends of the hose body (1). A fixing ring (4) is installed on the flange (2). Multiple first mounting brackets (6) and second mounting brackets (8) are installed on the side of the fixing ring (4) away from the flange (2). A protective plate (14) is connected to the first mounting bracket (6) through a first rotating shaft (5). A sleeve (10) is connected to the second mounting bracket (8) through a second rotating shaft (9). A buffer spring (11) is installed inside the sleeve (10). A movable block (12) is connected to one end of the buffer spring (11). A buffer rod (13) is installed on the movable block (12) and extends through the outside of the sleeve (10). The top end of the buffer rod (13) is rotatably connected to the protective plate (14) through a rotating shaft. A torsion spring (15) is sleeved on the outer wall of the second rotating shaft (9).

2. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: One end of the torsion spring (15) is fixedly connected to the sleeve (10), and the other end of the torsion spring (15) is fixedly connected to the second mounting bracket (8).

3. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: The hose body (1) comprises an inner hose (101), a THV layer (102), a shielding layer (103), an aramid layer (104), and an outer hose (105) arranged from the inside out.

4. The novel environmentally friendly low-permeability fuel hose according to claim 3, characterized in that: The aramid layer (104) has a mesh structure, the inner tube (101) has a thickness of 0.7-1.3 mm, the shielding layer (103) has a thickness of 0.1-0.25 mm, the aramid layer (104) has a thickness of 1.5 mm, and the outer tube (105) has a thickness of 2.5 mm.

5. A new environment-friendly low-permeation fuel oil hose according to claim 3, characterized in that: The inner tubing (101) is made of FKM material, and the outer tubing (105) is made of ECO material.

6. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: The inner wall of the protective plate (14) is provided with a protective pad (7), which is made of FKM material. The inner wall of the protective pad (7) is attached to the outer wall of the hose body (1).

7. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: Both the buffer spring (11) and the torsion spring (15) are made of nickel-based alloy material.

8. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: A sealing gasket (3) is installed on the side of the flange (2) away from the hose body (1).

9. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: The protective plate (14) is rotatably connected to the first mounting bracket (6) via the first rotating shaft (5), and both the protective plate (14) and the protective pad (7) are arc-shaped.

10. A new environment-friendly low-permeation fuel oil hose according to claim 1, characterized in that: The buffer rod (13) is slidably connected to the sleeve (10) via the movable block (12).

Images