flexible pipe
A flexible tube and tube body technology, applied in the field of flexible tubes, can solve problems such as insufficient strength, complex structure, and increased manufacturing costs
Active Publication Date: 2016-10-05
WEIFANG BELEAD AUTOMOBILE PARTS
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- Description
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Problems solved by technology
The technical solution is being continuously improved, such as adding a layer of steel belt to participate in sliding at the joint of the two S-shaped locks, the leakage can be reduced by about 40%; but the structure is more complicated, the manufacturing cost is also increased and under the same conditions The leakage is still about 30L / min
Not only that, but the structure is made of 0.15-0.25mm stainless steel strip, which also has the defect of insufficient strength due to the thinner material
Method used
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Embodiment Construction
[0019] Such as figure 1 As shown, a flexible pipe includes a first pipe body 1 and a second pipe body 2, the first pipe body 1 is connected with a first connector 3, and the second pipe body 2 is connected with a second connector 4. The first connecting piece 3 and the second connecting piece 4 are slidably installed together. Both the first connecting piece 3 and the second connecting piece 4 are tubular rotating bodies. The first tubular body 1 is provided with The first connector 101, the first connector 3 includes a second connector 301 and a third connector 303, the second connector 4 includes a fourth connector 401 and a fifth connector 402, and the second pipe body 2 includes a second connector 301 and a third connector 303. Six joints 201, the first joint 101 and the second joint 301 are sealed together, the third joint 303 and the fourth joint 401 are sealed together, and the fifth joint 402 and the sixth joint 201 are sealed and connected together Together;
[0020...
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The invention discloses a flexible tube comprising a first tube body and a second tube body. The first tube body is connected with a first connecting piece, the second tube body is connected with a second connecting piece, both the first connecting piece and the second connecting piece are tubular rotators, a first connector is arranged on the first tube body, the first connecting piece comprises a second connector and a third connector, the second connecting piece comprises a fourth connector and a fifth connector, the second tube body comprises a sixth connector, both the first connector and the second connector are local spheroidal with the same sphere center, the first connector and the second connector are in clearance fit, the first connector and the second connector can rotate relatively around the sphere center, and a limiter is arranged on each of the first connector and the second connector; the third connector and the fourth connector are slidably mounted together along the axis and are in interference fit; the connecting structure of the fifth connector and the sixth connector is identical to the connecting structure of the first connector and the second connector. Thus, optimum sealing effect and durability in use can be obtained with simple structure.
Description
technical field [0001] The invention relates to the technical field of flexible connection of pipes in exhaust systems of commercial vehicles, in particular to a flexible pipe. Background technique [0002] The commercial vehicle exhaust system generally includes exhaust elbow, exhaust brake valve, exhaust main pipe, aftertreatment box, muffler and tail pipe from the outlet of the supercharger installed on the engine. The connection of these parts needs to meet the following three conditions on the premise of realizing the basic sealing function: first, since the fixed references of the aforementioned parts are the engine and the chassis frame, flexible parts compensation is required to eliminate assembly stress; second, When the car is running, the temperature of the exhaust gas entering the exhaust system can reach up to 700°C, and flexible parts are required to eliminate the thermal stress caused by thermal expansion and contraction of each part; Leading to fatigue damag...
Claims
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IPC IPC(8): F16L11/18
CPCF16L11/18
Inventor 易斌何海林高林玉
Owner WEIFANG BELEAD AUTOMOBILE PARTS