Integrated automobile exhaust pipe connecting clamp

The integrated design of the clamp and sealing components solves the problem of misalignment between the sealing ring and clamp positions in the split design, simplifying installation, improving sealing performance, adapting to the connection requirements of different pipe diameters, and reducing the risk of leakage.

CN223689806UActive Publication Date: 2025-12-19ZHEJIANG JIAWEN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520550322.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-19
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

In existing automotive exhaust pipe connections, the split design makes it difficult to align the sealing ring and clamp positions, resulting in low installation efficiency and easy leakage, which affects sealing performance and driving experience.

Method used

The clamp and sealing components are designed as a single unit, including an upper fixing ring, a lower fixing ring, a locking element, and a sealing I-beam ring. The self-adaptive sealing is achieved through the sliding setting of the annular I-beam groove, and the precise locking is achieved by combining the extended sealing ring and the thread adjustment.

Benefits of technology

It simplifies the installation process, improves the sealing effect, reduces the risk of leakage, enhances installation efficiency and sealing performance, and adapts to the connection needs of different pipe diameters.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223689806U_ABST
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Abstract

The utility model relates to the field of clamps, in particular to an integrated automobile exhaust pipe connecting clamp which comprises a clamp assembly and a sealing assembly, the clamp assembly comprises an upper fixing ring, a lower fixing ring and a locking piece, and the lower end of the upper fixing ring is rotationally connected with the lower fixing ring; the locking piece comprises a fixing locking plate, a fixing plate, a wrench and a U-shaped locking rod, the fixing locking plate is fixed to the lower end of the right side of the upper fixing ring, the fixing plate is fixed to the upper end of the right side of the lower fixing ring, the wrench is rotationally connected to the fixing plate, and the U-shaped locking rod is fixed to one side of the wrench. The U-shaped lock rod is clamped into the lock groove of the fixing lock plate by rotating the front end of the U-shaped lock rod through a wrench, the sealing assembly comprises an upper sealing I-shaped ring and a lower sealing I-shaped ring, the upper sealing I-shaped ring is arranged in the annular I-shaped groove of the upper fixing ring in a sliding mode, and the lower sealing I-shaped ring is arranged in the annular I-shaped groove of the upper fixing ring in a sliding mode.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of the clamp, relates to a integrated automobile exhaust pipe connecting clamp. BACKGROUND

[0002] In the field of automobile exhaust pipe connection, the existing exhaust pipe clamp and sealing ring mostly adopt split design. The traditional connection mode has significant defects, and there is no limiting cooperation structure such as a clamping groove between the sealing ring and the clamp. This leads to the difficulty in accurately corresponding the position of the sealing ring and the clamp in the actual installation process, and workers need to spend a lot of time for debugging and positioning, and the installation efficiency is low. More seriously, the position does not correspond, which is easy to form a leakage point at the pipe connection, so that the sealing property of the automobile exhaust system is greatly reduced. Once the exhaust leaks, not only will it cause the power of the automobile to decrease, the fuel consumption to increase, but also abnormal noise may be produced, affecting the driving experience.

[0003] Therefore, it is urgent to develop an integrated automobile exhaust pipe connecting clamp which can effectively solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a integrated automobile exhaust pipe connecting clamp to solve the prior art problems.

[0005] The utility model discloses a integrated automobile exhaust pipe connecting clamp can realize through the following technical scheme: a integrated automobile exhaust pipe connecting clamp includes: clamp component and sealing component, the clamp component includes upper fixed ring, lower fixed ring and locking piece, the upper fixed ring lower extreme is connected with lower fixed ring rotation, the upper fixed ring and lower fixed ring inboard middle part are equipped with the annular I -shaped slot that penetrates downward, the locking piece includes fixed lock board, fixed board, wrench and U type lock rod, the fixed lock board is fixed in the right side lower extreme of upper fixed ring, the fixed board is fixed in the right side upper end of lower fixed ring, the wrench is connected on fixed board rotation, the U type lock rod is fixed in one side of wrench, the U type lock rod is through the wrench rotation U type lock rod front end and is inserted in the lock slot of fixed lock board, the sealing component includes upper sealing I -shaped ring and lower sealing I -shaped ring, the upper sealing I -shaped ring is slidably arranged in the annular I -shaped slot of upper fixed ring, the lower sealing I -shaped ring is slidably arranged in the annular I -shaped slot of upper fixed ring.

[0006] Further improvement, the inner surface of the upper fixed ring and lower fixed ring is equipped with the thin insertion hole in array, the thin insertion hole is located at the both sides of sealing component, the extension sealing ring is clamped and is connected in the inner side of thin insertion hole, the extension sealing ring includes upper extension sealing ring and lower extension sealing ring, the outer side of upper extension sealing ring and lower extension sealing ring is equipped with the protrusion in array, the protrusion is matched and is clamped in the thin insertion hole.

[0007] Further improvement, the U-shaped lock rod is provided with threaded parts at both ends, the wrench rear end is rotatably provided with a rotating rod, the threaded parts are arranged through the rotating rod, two groups of nuts are arranged on the threaded parts, and the rotating rod is located between the nuts.

[0008] Further improvement, the upper fixed ring and the lower fixed ring are made of phenyl silicone rubber.

[0009] Further improvement, the upper extension sealing ring and the lower extension sealing ring are made of phenyl silicone rubber.

[0010] Further improvement, the fixed lock plate is fixed on the upper fixed ring through bolts, and the fixed plate is fixed on the lower fixed ring through bolts.

[0011] Compared with the prior art, the automobile exhaust pipe connecting clamp has the beneficial effects that:

[0012] The structure realizes integrated design of the clamp and the sealing component, does not need to respectively install the clamp and the sealing ring and aligns like the traditional split type during installation, greatly simplifies the installation process, the sliding arrangement of the sealing assembly in the annular I-shaped groove enables the sealing assembly to be self-adaptive to the pipeline connection demand to a certain extent, improves the sealing effect, and effectively reduces the leakage risk caused by improper installation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model

[0014] Fig. 2 It is a structural schematic view of the sealing assembly and the extension sealing ring in the utility model

[0015] Fig. 3 It is a structural schematic view of the clamp assembly in the utility model

[0016] Fig. 4 It is a structural schematic view of the upper fixed ring in the utility model

[0017] In the drawing, 1 is a clamp assembly, 11 is an upper fixed ring, 12 is a lower fixed ring, 13 is a locking piece, 131 is a fixed lock plate, 132 is a fixed plate, 133 is a wrench, 134 is a U-shaped lock rod, 135 is a lock groove, 136 is a threaded part, 137 is a rotating rod, 138 is a nut, 14 is an annular I-shaped groove, 2 is a sealing assembly, 21 is an upper sealing I-shaped ring, 22 is a lower sealing I-shaped ring, 31 is a thin insertion hole, 4 is an extension sealing ring, 41 is an upper extension sealing ring, 42 is a lower extension sealing ring, and 43 is a protrusion. DETAILED DESCRIPTION

[0018] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model; unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixed connection, or it can be detachable connection, etc. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] The embodiments and drawings are described below. Figs. 1-4 The technical scheme of the utility model is further described.

[0020] Embodiment 1

[0021] A one-piece automobile exhaust pipe connecting clamp, comprising: a clamp assembly 1 and a sealing assembly 2, the clamp assembly 1 comprising an upper fixed ring 11, a lower fixed ring 12 and a locking piece 13, the upper fixed ring 11 being rotatably connected with the lower fixed ring 12 at the lower end, the inner side middle part of the upper fixed ring 11 and the inner side middle part of the lower fixed ring 12 being provided with a downward penetrating annular I-shaped groove 14, the locking piece 13 comprising a fixed lock plate 131, a fixed plate 132, a wrench 131 and a U-shaped lock rod 134, the fixed lock plate 131 being fixed to the right lower end of the upper fixed ring 11, the fixed plate 132 being fixed to the right upper end of the lower fixed ring 12, the wrench 131 being rotatably connected to the fixed plate 132, the U-shaped lock rod 134 being fixed to one side of the wrench 131, the U-shaped lock rod 134 being capable of rotating the front end of the U-shaped lock rod to be clamped into the lock groove 135 of the fixed lock plate 131 through the wrench 131, the sealing assembly 2 comprising an upper sealing I-shaped ring 21 and a lower sealing I-shaped ring 22, the upper sealing I-shaped ring 21 being slidably arranged in the annular I-shaped groove 14 of the upper fixed ring 11, and the lower sealing I-shaped ring 22 being slidably arranged in the annular I-shaped groove 14 of the upper fixed ring 11.

[0022] As Figs. 1-4 The utility model discloses the use principle as shown in the description:

[0023] The one-piece automobile exhaust pipe connecting clamp is composed of the clamp assembly 1 and the sealing assembly 2. In the clamp assembly 1, the upper fixed ring 11 is rotatably connected with the lower fixed ring 12, and the inner side middle part of the upper fixed ring 11 and the inner side middle part of the lower fixed ring 12 are provided with the annular I-shaped groove 14. The locking piece 13 comprises the fixed lock plate 131, the fixed plate 132, the wrench 133 and the U-shaped lock rod 134, and the front end of the U-shaped lock rod 134 can be clamped into the lock groove 135 of the fixed lock plate 131 by rotating the wrench 133 to realize locking, and the principle is similar to that of the bicycle quick-release pipe clamp or the push-pull forceps.

[0024] The upper sealing I-shaped ring 21 and the lower sealing I-shaped ring 22 of the sealing assembly 2 are respectively slidably arranged in the annular I-shaped groove 14 of the upper fixed ring 11.

[0025] The structure realizes the integrated design of the clamp and the sealing component, and the installation does not need to separately install the clamp and the sealing ring and align as in the traditional split type, greatly simplifying the installation process; the sliding arrangement of the sealing assembly in the annular I-shaped groove enables the sealing assembly to adapt to the pipeline connection requirements to a certain extent, improves the sealing effect, and effectively reduces the risk of leakage caused by improper installation.

[0026] As a further preferred embodiment, the inner surfaces of the upper fixed ring 11 and the lower fixed ring 12 are provided with fine insertion holes 31 located in an array, the fine insertion holes 31 are located on both sides of the sealing assembly 2, and the extension sealing rings 4 are connected by clamping on the inner sides of the fine insertion holes 31. The extension sealing rings 4 include upper extension sealing rings 41 and lower extension sealing rings 42, and the outer sides of the upper extension sealing rings 41 and the lower extension sealing rings 42 are respectively provided with protrusions 43 which are matched and clamped in the fine insertion holes 31. The extension sealing rings 4 further enhance the sealing performance, especially effectively seal the possible leakage gaps on both sides of the sealing assembly 2. The clamping and matching of the protrusions 43 and the fine insertion holes 31 ensure the accuracy and stability of the installation position of the extension sealing rings 4, avoid displacement of the extension sealing rings 4 during use, and further improve the overall sealing effect.

[0027] As a further preferred embodiment, the U-shaped lock rod 134 is provided with a threaded portion 136 at both ends, the wrench 131 is provided with a rotating rod 137 at the rear end, the threaded portion 136 passes through the rotating rod 137, and two groups of nuts 138 are arranged on the threaded portion 136, and the rotating rod 137 is located between the two groups of nuts 138. By adjusting the positions of the two groups of nuts 138 on the threaded portion 136, the relative positions of the U-shaped lock rod 134 and the wrench 131 can be finely adjusted, so as to accurately adjust the clamping force of the clamp, adapt to different requirements of the clamping tightness during the connection of pipelines with different diameters, and improve the universality and applicability of the clamp.

[0028] As a further preferred embodiment, the materials of the upper fixed ring 11 and the lower fixed ring 12 are phenyl silicone rubber, and the materials of the upper extension sealing ring 41 and the lower extension sealing ring 42 are phenyl silicone rubber. In a high-temperature environment, the fixed ring and the extension sealing ring made of phenyl silicone rubber can maintain good sealing performance and will not harden and crack due to high temperature, effectively ensuring the sealing performance of the exhaust system, and the flexibility and corrosion resistance of the fixed ring and the extension sealing ring also help to work stably for a long time.

[0029] As a further preferred embodiment, the fixed lock plate 131 is fixed on the upper fixed ring 11 by bolts, and the fixed plate 132 is fixed on the lower fixed ring 12 by bolts. The bolt fixing mode makes the installation and dismounting of the fixed lock plate 131 and the fixed plate 132 more convenient, and when the clamp locking piece 1 is damaged or needs to be adjusted, it can be quickly replaced or repaired, improving the maintenance efficiency and reducing the maintenance difficulty.

[0030] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. An integrated automobile exhaust pipe connecting clamp, characterized by, It includes: The clamp assembly and sealing assembly, the clamp assembly includes the upper fixed ring, the lower fixed ring and the locking piece, the lower end of the upper fixed ring is rotatably connected with the lower fixed ring, the inner side of the upper fixed ring and the lower fixed ring is provided with the downward penetrating annular I-shaped groove, the locking piece includes the fixed lock plate, the fixed plate, the wrench and the U-shaped lock rod, the fixed lock plate is fixed to the right lower end of the upper fixed ring, the fixed plate is fixed to the right upper end of the lower fixed ring, the wrench is rotatably connected to the fixed plate, the U-shaped lock rod is fixed to one side of the wrench, the U-shaped lock rod is clamped into the lock slot of the fixed lock plate through the rotation of the U-shaped lock rod front end of the wrench, the sealing assembly includes the upper sealing I-shaped ring and the lower sealing I-shaped ring, the upper sealing I-shaped ring is slidably arranged in the annular I-shaped groove of the upper fixed ring, and the lower sealing I-shaped ring is slidably arranged in the annular I-shaped groove of the upper fixed ring.

2. The one-piece automobile exhaust pipe connecting clamp according to claim 1, characterized in that, The inner surface of the upper fixed ring and the lower fixed ring is provided with an array of thin insertion holes, the thin insertion holes are located on both sides of the sealing assembly, the inner side of the thin insertion hole is connected with the extension sealing ring through clamping, the extension sealing ring includes the upper extension sealing ring and the lower extension sealing ring, the outer side of the upper extension sealing ring and the lower extension sealing ring is arrayed with the protrusion, and the protrusion is matched and clamped in the thin insertion hole.

3. The one-piece exhaust hanger of claim 1, wherein: The both ends of the U-shaped lock rod are provided with threaded portions, the rear end of the wrench is rotatably provided with a rotating rod, the threaded portions are arranged through the rotating rod, two groups of nuts are arranged on the threaded portions, and the rotating rod is located between the nuts.

4. The one-piece automobile exhaust pipe connecting clamp of claim 1, wherein, The material of the upper fixed ring and the lower fixed ring is phenyl silicone rubber.

5. The one-piece automobile exhaust pipe connecting clamp of claim 2, wherein, The material of the upper extension sealing ring and the lower extension sealing ring is phenyl silicone rubber.

6. The one-piece automobile exhaust pipe connecting clamp of claim 1, wherein, The fixed lock plate is fixed to the upper fixed ring through bolts, and the fixed plate is fixed to the lower fixed ring through bolts.