Automobile fuel hose

Abstract

The utility model relates to the technical field of rubber pipes, in particular to an automobile fuel rubber pipe. The fuel pipe comprises two bent pipes, fuel pipes are fixed to the ends, away from each other, of the two bent pipes, connecting pipes are fixed to the ends, close to each other, of the two bent pipes, the fuel pipes are connected between the two connecting pipes in a sleeved mode, and fastening mechanisms are arranged at the two ends of the outer sides of the fuel pipes. According to the automobile fuel oil rubber pipe, when the fuel oil pipe is installed, the fuel oil pipe is arranged on the outer side of the connecting pipe in a sleeved mode at the moment, the fuel oil pipe is driven by the fastening mechanism to be connected with the sealing ring in a sealed mode, and then fuel oil flows into an engine along the interior of the fuel oil pipe to be combusted. And the efficiency of dismounting, maintaining and replacing the fuel pipe in the later period is improved conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber tubes, in particular to an automobile fuel hose. Background Art

[0002] When using the above technology, it was found that the following technical problems exist in the prior art: most of the prior art fuel hoses are connected by bolts, and rust stains will affect the disassembly, cleaning and maintenance of the fuel hoses over a long period of time, and the traditional fuel hoses have problems with insufficient oil resistance, high temperature resistance and aging resistance, and are prone to leakage, cracking and other phenomena during use, thereby causing safety hazards. For this reason, we designed an automotive fuel hose to provide another technical solution to the above technical problems. Utility Model Content

[0003] Based on this, it is necessary to provide an automobile fuel hose to address the above technical problems. When the fuel pipe is installed, the fuel pipe is inserted into the outside of the connecting pipe, and the fuel pipe and the sealing ring are driven to be sealed and connected through the fastening mechanism. Then the fuel flows along the inside of the fuel pipe into the engine for combustion, which facilitates the disassembly, maintenance and replacement efficiency of the fuel pipe in the later stage.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A fuel hose for automobile comprises two bent pipes, one end of the two bent pipes being away from each other is fixed with a fuel pipe, and one end of the two bent pipes being close to each other is fixed with a connecting pipe, two sealing rings are fixed on the outer side of the connecting pipes, a fuel pipe is sleeved between the two connecting pipes, and both ends of the outer side of the fuel pipes are provided with fastening mechanisms.

[0006] As a preferred embodiment of the automobile fuel hose provided by the utility model, the fastening mechanism includes a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are sleeved on the outer side of the fuel pipe, the first clamping plate and one side of the second clamping plate are rotatably connected by a hinge, a limiting block is fixed on the other side of the first clamping plate, and a clamping assembly is provided on the other side of the second clamping plate.

[0007] As a preferred embodiment of the automobile fuel hose provided by the utility model, the clamping assembly includes a linkage rod, and the two ends of the other side of the second clamping plate are rotatably connected with the linkage rod, the inner side of the linkage rod is rotatably connected with a hand-turned shaft, and the inner side of the hand-turned shaft and one end close to the limit block is rotatably connected with a traction block, and the inner side of the traction block is slidably connected with the limit block.

[0008] As a preferred implementation of the automobile fuel hose provided by the utility model, the connection between the hand-turned shaft and the linkage rod deviates from the center point of the hand-turned shaft.

[0009] As a preferred embodiment of the automobile fuel hose provided by the utility model, an anti-skid pad is fixed between the other side of the second clamping plate and the hand-turned shaft, and the anti-skid pad is slidably connected to the hand-turned shaft.

[0010] As a preferred embodiment of the automobile fuel hose provided by the utility model, the fuel hose includes an outer rubber layer, a braided layer, a first bonding layer, a reinforcing layer, a reinforcing layer and an inner rubber layer, the inner side of the outer rubber layer is provided with a braided layer, the inner side of the braided layer is provided with a first bonding layer, the inner side of the first bonding layer is provided with a reinforcing layer, the inner side of the reinforcing layer is provided with a second bonding layer, and the inner side of the second bonding layer is provided with an inner rubber layer.

[0011] As a preferred embodiment of the automobile fuel hose provided by the utility model, the inner rubber layer is made of a synthetic rubber material with high oil resistance to enhance the hose's tolerance to fuel.

[0012] As a preferred embodiment of the automobile fuel hose provided by the utility model, the reinforcement layer is made of a high-strength, high-modulus fiber composite material to improve the pressure resistance and tensile strength of the hose.

[0013] As a preferred embodiment of the automobile fuel hose provided by the utility model, the outer rubber layer is made of an aging-resistant and high-temperature-resistant synthetic rubber material to protect the inner rubber layer and the reinforcement layer from erosion by the external environment.

[0014] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0015] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0016] The utility model provides an automobile fuel hose, which drives the traction block and the limit block to be clamped by the downward rotation of the hand shaft, so that the hand shaft drives the traction block to contract the limit block and the first clamping plate and the second clamping plate, so that the first clamping plate and the second clamping plate squeeze the fuel pipe, and the squeezed and deformed inner rubber layer and the sealing ring form a sealing area, thereby facilitating the improvement of the sealing performance of the connection between the inner rubber layer and the outer wall of the connecting pipe;

[0017] The outer rubber layer is made of aging-resistant and high-temperature resistant synthetic rubber material to protect the inner rubber layer and the reinforcement layer from erosion by the external environment. The braided layer is made of aramid wire material to improve the pressure resistance of the product. The first bonding layer and the second bonding layer improve the sealing connection between the inner rubber layer and the braided layer. The reinforcement layer is made of high-strength, high-modulus fiber composite material to improve the pressure resistance and tensile strength of the hose. The inner rubber layer is made of a synthetic rubber material with high oil resistance to enhance the hose's tolerance to fuel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the fuel pipe and the connecting pipe of the utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the first clamping plate and the second clamping plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal structure of the fuel pipe of the utility model.

[0023] In the figure: 1, elbow; 3, fuel pipe; 4, first splint; 5, second splint; 6, hand-turned shaft; 7, sealing ring; 8, connecting pipe; 9, traction pull block; 10, limit block; 11, linkage rod; 31, outer rubber layer; 32, braided layer; 33, first bonding layer; 34, reinforcement layer; 35, second bonding layer; 36, inner rubber layer. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] Embodiment 1

[0029] Reference Figure 1-Figure 4 A fuel hose for automobiles, comprising an elbow 1, wherein the elbows 1 are two, a fuel pipe 3 is fixed to one end of the two elbows 1 which are far from each other, a connecting pipe 8 is fixed to one end of the two elbows 1 which are close to each other, two sealing rings 7 are fixed to the outer side of the connecting pipe 8, the fuel pipe 3 is sleeved between the two connecting pipes 8, and fastening mechanisms are provided at both ends of the outer side of the fuel pipe 3;

[0030] When the fuel pipe 3 needs to be installed, the fuel pipe 3 is inserted into the outside of the connecting pipe 8, and the fuel pipe 3 is driven by the fastening mechanism to be sealed and connected with the sealing ring 7, so that the fuel flows into the engine along the inside of the fuel pipe 3 to be burned;

[0031] The fastening mechanism includes a first clamping plate 4 and a second clamping plate 5. The first clamping plate 4 and the second clamping plate 5 are sleeved on the outer side of the fuel pipe 3. The first clamping plate 4 is rotatably connected to one side of the second clamping plate 5 through a hinge. A limit block 10 is fixed on the other side of the first clamping plate 4. A clamping assembly is provided on the other side of the second clamping plate 5.

[0032] The clamping assembly includes a linkage rod 11, and the two ends of the other side of the second clamping plate 5 are rotatably connected to the linkage rod 11, and the inner side of the linkage rod 11 is rotatably connected to the hand shaft 6, and the inner side of the hand shaft 6 and one end close to the limit block 10 is rotatably connected to the traction pull block 9, and the inner side of the traction pull block 9 is slidably connected to the limit block 10;

[0033] The connection between the hand-operated shaft 6 and the linkage rod 11 deviates from the center point of the hand-operated shaft 6;

[0034] An anti-skid pad is fixed between the other side of the second clamping plate 5 and the hand-turning shaft 6, and the anti-skid pad is slidably connected to the hand-turning shaft 6;

[0035] The first clamping plate 4 and the second clamping plate 5 are sleeved at the connection between the fuel pipe 3 and the connecting pipe 8. When the hand shaft 6 rotates downward to drive the traction block 9 and the limit block 10 to engage, the raised portion of the hand shaft 6 resists the second clamping plate 5, so that the hand shaft 6 drives the traction block 9 to contract the limit block 10 and the first clamping plate 4 and the second clamping plate 5, so that the first clamping plate 4 and the second clamping plate 5 squeeze the fuel pipe 3, and the squeezed position of the fuel pipe 3 forms a sealing area with the sealing ring 7, thereby improving the sealing between the fuel pipe 3 and the connecting pipe 8;

[0036] The fuel pipe 3 comprises an outer rubber layer 31, a braided layer 32, a first adhesive layer 33, a reinforcing layer 34, a reinforcing layer 34 and an inner rubber layer 36. The braided layer 32 is arranged on the inner side of the outer rubber layer 31, the first adhesive layer 33 is arranged on the inner side of the braided layer 32, the reinforcing layer 34 is arranged on the inner side of the first adhesive layer 33, the second adhesive layer 35 is arranged on the inner side of the reinforcing layer 34, the inner side of the second adhesive layer 35 is arranged on the inner side of the inner rubber layer 36, and the braided layer 32 is made of aramid wire material;

[0037] The inner rubber layer 36 is made of a synthetic rubber material with high oil resistance to enhance the hose's tolerance to fuel;

[0038] The reinforcing layer 34 is made of a high-strength, high-modulus fiber composite material to improve the pressure resistance and tensile strength of the hose;

[0039] The outer rubber layer 31 is made of an aging-resistant and high-temperature-resistant synthetic rubber material to protect the inner rubber layer 36 and the reinforcing layer 34 from being corroded by the external environment.

[0040] The use process of the automobile fuel hose provided by the utility model is as follows: when the fuel pipe 3 needs to be replaced and installed, the outer rubber layer 31, the braided layer 32, the first adhesive layer 33, the reinforcing layer 34, the reinforcing layer 34 and the inner rubber layer 36 are all sleeved on the outer side of the connecting pipe 8, and the traction block 9 and the limit block 10 are driven to engage by the downward rotation of the hand shaft 6, so that the hand shaft 6 drives the traction block 9 to contract the limit block 10 and the first clamping plate 4 and the second clamping plate 5, so that the first clamping plate 4 and the second clamping plate 5 squeeze the outer rubber layer 31, the braided layer 32, the first adhesive layer 33, the reinforcing layer 34, the reinforcing layer 34 and the inner rubber layer 36, and the inner rubber layer 36 that is squeezed and deformed forms a sealing area with the sealing ring 7, thereby facilitating the improvement of the sealing performance of the connection between the inner rubber layer 36 and the outer wall of the connecting pipe 8;

[0041] The outer rubber layer 31 is made of an aging-resistant and high-temperature-resistant synthetic rubber material to protect the inner rubber layer 36 and the reinforcing layer 34 from erosion by the external environment, and the braided layer 32 is made of an aramid wire material to improve the pressure resistance of the product. The first bonding layer 33 and the second bonding layer 35 improve the sealing connection between the inner rubber layer 36 and the braided layer 32, and the reinforcing layer 34 is made of a high-strength, high-modulus fiber composite material to improve the pressure resistance and tensile strength of the hose, and the inner rubber layer 36 is made of a synthetic rubber material with high oil resistance to enhance the hose's tolerance to fuel.

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An automobile fuel hose, characterized in that: The invention comprises a bent pipe (1), wherein the bent pipes (1) are two in number, a fuel pipe (3) is fixed to one end of the two bent pipes (1) which are away from each other, and a connecting pipe (8) is fixed to one end of the two bent pipes (1) which are close to each other, two sealing rings (7) are fixed to the outside of the connecting pipes (8), the fuel pipe (3) is sleeved between the two connecting pipes (8), and fastening mechanisms are provided at both ends of the outside of the fuel pipes (3).

2. The automobile fuel hose according to claim 1, characterized in that: The fastening mechanism comprises a first clamping plate (4) and a second clamping plate (5); the first clamping plate (4) and the second clamping plate (5) are sleeved on the outer side of the fuel pipe (3); one side of the first clamping plate (4) is rotatably connected to the second clamping plate (5) via a hinge; a limiting block (10) is fixed to the other side of the first clamping plate (4); and a clamping assembly is provided on the other side of the second clamping plate (5).

3. The automobile fuel hose according to claim 2, characterized in that: The clamping assembly comprises a linkage rod (11), the two ends of the other side of the second clamping plate (5) are rotatably connected to the linkage rod (11), the inner side of the linkage rod (11) is rotatably connected to a hand shaft (6), the inner side of the hand shaft (6) and one end close to the limit block (10) is rotatably connected to a traction block (9), and the inner side of the traction block (9) is slidably connected to the limit block (10).

4. The automobile fuel hose according to claim 3, characterized in that: The connection point between the hand-turned shaft (6) and the linkage rod (11) deviates from the center point of the hand-turned shaft (6).

5. The automobile fuel hose according to claim 3, characterized in that: An anti-skid pad is fixed between the other side of the second clamping plate (5) and the hand-turning shaft (6), and the anti-skid pad is slidably connected to the hand-turning shaft (6).

6. The automobile fuel hose according to claim 2, characterized in that: The fuel pipe (3) comprises an outer rubber layer (31), a braided layer (32), a first adhesive layer (33), a reinforcing layer (34), a reinforcing layer (34) and an inner rubber layer (36); the braided layer (32) is arranged on the inner side of the outer rubber layer (31); the first adhesive layer (33) is arranged on the inner side of the braided layer (32); the reinforcing layer (34) is arranged on the inner side of the first adhesive layer (33); the second adhesive layer (35) is arranged on the inner side of the reinforcing layer (34); and the inner rubber layer (36) is arranged on the inner side of the second adhesive layer (35).

7. The automobile fuel hose according to claim 6, characterized in that: The inner rubber layer (36) is made of a synthetic rubber material with high oil resistance to enhance the resistance of the hose to fuel.

8. The automobile fuel hose according to claim 6, characterized in that: The reinforcing layer (34) is made of a high-strength, high-modulus fiber composite material to improve the pressure resistance and tensile strength of the hose.

9. The automobile fuel hose according to claim 6, characterized in that: The outer rubber layer (31) is made of an aging-resistant and high-temperature-resistant synthetic rubber material to protect the inner rubber layer (36) and the reinforcement layer (34) from being corroded by the external environment.

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