Quickly-assembled and easily-disassembled engine exhaust pipe sealing ring

Abstract

The utility model relates to a quick-assembly and easy-disassembly type engine exhaust pipe sealing ring, which belongs to the technical field of automobile parts and comprises a front end ring, a front end flange is fixed at one end of the front end ring, a mounting hole used for being connected and mounted with an engine body is arranged on the front end flange, and a filling ring and a heat insulation ring are arranged on the inner wall of the front end ring. A first cooling fin and a second cooling fin are fixed to the outer wall of the front end ring, one end of the first cooling fin and one end of the second cooling fin are both close to the front end flange, the heat insulation ring is located at the end away from the front end flange, and the length of the second cooling fin is larger than that of the first cooling fin. The first cooling fins and the second cooling fins can reduce the temperature of internal gas and prolong the service life of parts, the corrugated pipe body can consume energy of the gas, the buffer mechanism can assist in supporting the middle protruding part on the corrugated pipe body from the outside, the load bearing capacity of the corrugated pipe body is enhanced, and then the damping and silencing effects are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to a quick -mounting easy disassembly formula engine exhaust pipe sealing ring. BACKGROUND

[0002] Fuel engine is in work, fuel and air mix combustion, after the reaction will produce gas, these gases are usually high temperature and high pressure, and there are some harmful substances, and exhaust pipe sealing ring is used for connecting engine and exhaust pipe, mainly bear the sealing high temperature waste gas, prevent gas leakage, reduce the effect of vibration transmission, its sealing performance directly influences engine power output efficiency and tail gas emission control.

[0003] Such as the Chinese utility model patent file with the application number CN201920001690.0, discloses a kind of engine exhaust pipe sealing ring, including connecting ring, bellows, fixed ring, connecting block, fixed block and sealing ring, the connecting ring one side is fixedly connected with bellows, the bellows side away from connecting ring is fixedly connected with fixed ring, the bellows inner wall is fixedly connected with sealing ring, the connecting ring side away from bellows is equipped with through-hole, and through-hole is communicated with bellows, the through-hole side close to bellows is embedded with fixed sealing ring, the sealing ring outer wall is fixedly connected with bellows inner wall, the connecting block side away from bellows is equipped with guide hole, and guide hole is communicated with bellows, the sealing ring heat conduction fast, heat resistance is good, when engine is operated, it can be more stable, not easy to produce deformation, crack, sealing is stronger, can have certain compensation and vibration absorption effect in engine vibration, to prolong the overall service life.

[0004] However, in the use process, exhaust pipe will work continuously in vibration environment, although the above-mentioned file utilizes bellows to carry out shock absorption and silencing, but the structure lacks the response to high strength situation, and the shock absorption degree is limited, and although the welding mode improves the stability of part structure, but disassembly and repair are troublesome, thus the utility model is proposed. UTILITY MODEL CONTENTS

[0005] In order to overcome the technical defects existing in the prior art, the utility model provides a quick-mounting easy-to-disassemble engine exhaust pipe sealing ring, which can be quickly installed between the engine and the exhaust pipe by using bolts, and the first and second heat sinks can reduce the temperature of the internal gas, prolong the service life of the component, the wave-shaped pipe body can consume the energy of the gas, and the buffer mechanism can assist in supporting the middle protruding part on the wave-shaped pipe body, enhance the load bearing capacity of the wave-shaped pipe body, and further improve the shock absorption and silencing effect.

[0006] The utility model discloses a technical solution which is: including the front end ring, one end of the front end ring is fixed with the front end flange, is equipped with the mounting hole for and the engine body is connected and is installed on the front end flange, is equipped with the filling ring and the heat insulation ring on the inner wall of the front end ring, and the filling ring is attached to the inside of the front end ring and is used for transmitting gas heat, and the heat insulation pipe is used for distinguishing the heat exchange of the filling ring, and the heat insulation ring is used for separating the transmission of heat, can protect the connecting place of the rear wave-shaped pipe body, avoids the influence of the wave-shaped pipe body by the continuous high temperature, the outer wall of the front end ring is fixed with the first fin and the second fin, one end of the first fin and the second fin is close to the front end flange, the heat insulation ring is located at the end away from the front end flange, the length of the second fin is greater than the first fin, and the outer wall of the front end ring is installed with the buffer mechanism, and the buffer mechanism is used for enhancing the load bearing capacity of the wave-shaped pipe body.

[0007] Preferably, in order to facilitate the shock absorption and silencing of high-pressure exhaust gas, one end of the front end ring is connected with a wave-shaped pipe body, the wave-shaped pipe body is provided with an intermediate protruding portion, and one end of the wave-shaped pipe body is fixed with a rear end ring.

[0008] Preferably, in order to improve the sealing degree, one end of the rear end ring is fixed with a conical table, a rear end flange is slidably sleeved on the outer side of the rear end ring, the rear end flange is provided with a rear end hole for fixing the exhaust pipe, and when the rear end flange is fixed with the exhaust pipe, the conical table can be pressed to be close to the exhaust pipe.

[0009] Preferably, in order to better absorb the vibration, the buffer mechanism comprises a buffer elastic member, a follow-up table is fixed on the side wall of the intermediate protruding portion, one end of the buffer elastic member is connected to the follow-up table, the other end of the buffer elastic member is fixed with a fixed table, and the fixed table is fixed on the outer wall of the front end ring.

[0010] Preferably, in order to facilitate the deformation position of the buffer elastic member, an arc-shaped limiting shell is fixed on the fixed table and half-encloses the buffer elastic member.

[0011] Preferably, in order to avoid hindering the deformation of the wave-shaped pipe body, a distance is left between one end of the arc-shaped limiting member and the follow-up table.

[0012] Preferably, in order to facilitate the stable connection of the components, the follow-up table comprises a vertical table fixed with the buffer elastic member, a connecting block is fixed on the side wall of the vertical table, an inclined block is fixed on one side of the connecting block, and the inclined block is fixedly connected to the outer wall of the intermediate protruding portion.

[0013] The utility model discloses an advantageous effect is: this sealing ring can utilize bolt fast installation between engine and exhaust pipe, and first fin and second fin can reduce the temperature of internal gas, prolong the service life of component, and waveform pipe body can carry out energy consumption to gas, and buffering mechanism can be assisted in supporting the intermediate protruding portion on waveform pipe body outside, enhance the load bearing capacity of waveform pipe body, and further improve the shock absorption and silencing effect, the airflow of high temperature and high pressure can first pass through the front end ring, and first fin and second fin can heat dissipation to gas, avoid the direct impact of heat waveform pipe body and the junction of front end ring, then when waveform pipe body is impacted, will produce deformation, and buffering elastic piece can be compressed or tensile deformation, and then and waveform pipe body together carry out shock absorption and silencing operation, then gas enters rear end ring, and when installing, directly using bolt connection can. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the filling ring structure schematic diagram of the utility model.

[0016] Figure 3 It is the sectional structure schematic diagram of the utility model.

[0017] Figure 4 It is Figure 3 The enlarged structure schematic diagram of A place in the middle.

[0018] Figure 5 It is the rear end flange structure schematic diagram of the utility model.

[0019] Mark explanation: in drawing: 1, front end ring;101, front end flange;102, filling ring;103, first fin;104, second fin;2, buffering mechanism;201, buffering elastic piece;202, follow-up platform;211, vertical platform;212, connecting block;213, inclined block;203, fixed platform;204, arc limit shell;3, waveform pipe body;301, intermediate protruding portion;4, rear end ring;401, conical platform;402, rear end flange. DETAILED DESCRIPTION

[0020] The utility model will be further described in connection with the drawings:

[0021] For example, Figures 1-5As shown, the embodiment provides a quick-mounting and easy-disassembling engine exhaust pipe sealing ring, which comprises a front end ring 1, one end of the front end ring 1 is fixed with a front end flange 101, the front end flange 101 is provided with a mounting hole for connecting and mounting the engine body, the inner wall of the front end ring 1 is provided with a filling ring 102 and a heat insulation ring, the filling ring 102 is attached to the inside of the front end ring 1 and is used for transferring gas heat, the heat insulation pipe is used for heat exchange different from the filling ring 102, and the heat insulation ring is used for separating the heat transfer, so as to protect the connection of the rear wave-shaped pipe body 3, avoid the influence of continuous high temperature on the wave-shaped pipe body 3, the outer wall of the front end ring 1 is fixed with a first heat dissipation fin 103 and a second heat dissipation fin 104, one end of the first heat dissipation fin 103 and the second heat dissipation fin 104 is close to the front end flange 101, the heat insulation ring is located at the end away from the front end flange 101, the length of the second heat dissipation fin 104 is greater than that of the first heat dissipation fin 103, and the outer wall of the front end ring 1 is provided with a buffer mechanism 2, which is used for enhancing the load bearing capacity of the wave-shaped pipe body 3.

[0022] One end of the front end ring 1 is connected with the wave-shaped pipe body 3, the wave-shaped pipe body 3 is provided with an intermediate protruding portion 301, one end of the wave-shaped pipe body 3 is fixed with a rear end ring 4, so that the high-pressure exhaust gas can be damped and silenced, one end of the rear end ring 4 is fixed with a conical table 401, the rear end ring 4 is slidably sleeved with a rear end flange 402, the rear end flange 402 is provided with a rear end hole for fixing the exhaust pipe, and when the rear end flange 402 is fixed with the exhaust pipe, the conical table 401 can be pressed to be close to the exhaust pipe, so that the sealing degree can be improved.

[0023] The buffer mechanism 2 comprises a buffer elastic member 201, a follow-up table 202 is fixed on the side wall of the intermediate protruding portion 301, one end of the buffer elastic member 201 is connected to the follow-up table 202, the other end of the buffer elastic member 201 is fixed with a fixed table 203, the fixed table 203 is fixed on the outer wall of the front end ring 1, so that the vibration can be better absorbed, the fixed table 203 is fixed with an arc-shaped limiting shell 204, the arc-shaped limiting shell 204 is half-enclosed outside the buffer elastic member 201, so that the deformation position of the buffer elastic member 201 can be limited, and a distance is left between one end of the arc-shaped limiting shell and the follow-up table 202, so that the deformation of the wave-shaped pipe body 3 can be avoided, the follow-up table 202 comprises a vertical table 211 fixed with the buffer elastic member 201, a connecting block 212 is fixed on the side wall of the vertical table 211, an inclined block 213 is fixed on one side of the connecting block 212, and the inclined block 213 is fixedly connected to the outer wall of the intermediate protruding portion 301, so that the stable connection of the components can be facilitated.

[0024] The sealing ring can be quickly installed between the engine and the exhaust pipe by bolts, the first and second heat sinks 103 and 104 can reduce the temperature of the internal gas, prolong the service life of the components, the wave-shaped pipe body 3 can consume the energy of the gas, and the buffering mechanism 2 can externally assist in supporting the middle protruding part 301 on the wave-shaped pipe body 3, enhance the load bearing capacity of the wave-shaped pipe body 3, and further improve the damping and silencing effect.

[0025] In use, the high-temperature and high-pressure gas flow can first pass through the front end ring 1, the first and second heat sinks 103 and 104 can radiate heat from the gas, avoid the heat directly impacting the connection between the wave-shaped pipe body 3 and the front end ring 1, then the wave-shaped pipe body 3 is deformed when impacted, the buffering elastic member 201 can be compressed or stretched and deformed, and then the wave-shaped pipe body 3 is damped and silenced together, then the gas enters the rear end ring 4, and the bolts are directly used for connection during installation.

[0026] The basic principles, main features and advantages of the application are shown and described above, and those skilled in the art should understand that the application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the application. Without departing from the spirit and scope of the application, various changes and improvements can be made to the application, and these changes and improvements all fall within the scope of the application. The scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A quick-install and easy-to-remove engine exhaust pipe sealing ring, comprising a front end ring (1), one end of which is fixed with a front end flange (101), the front end flange (101) having mounting holes for connection and installation with the engine body, characterized in that: The inner wall of the front end ring (1) is provided with a filling ring (102) and a heat insulation ring. The outer wall of the front end ring (1) is fixed with a first heat sink (103) and a second heat sink (104). One end of the first heat sink (103) and the second heat sink (104) are close to the front end flange (101). The heat insulation ring is located at the end away from the front end flange (101). The length of the second heat sink (104) is greater than that of the first heat sink (103). A buffer mechanism (2) is installed on the outer wall of the front end ring (1).

2. The quick-installation and easy-to-remove engine exhaust pipe sealing ring according to claim 1, characterized in that: One end of the front end ring (1) is connected to a waveform tube body (3), the waveform tube body (3) is provided with a middle protrusion (301), and one end of the waveform tube body (3) is fixed with a rear end ring (4).

3. The quick-installation and easy-to-remove engine exhaust pipe sealing ring according to claim 2, characterized in that: One end of the rear end ring (4) is fixed with a conical platform (401), and a rear end flange (402) is slidably sleeved on the outer side of the rear end ring (4). The rear end flange (402) is provided with a rear end hole for fixing with the exhaust pipe.

4. The quick-installation and easy-to-remove engine exhaust pipe sealing ring according to claim 3, characterized in that: The buffer mechanism (2) includes a buffer elastic element (201), a follower stage (202) is fixed on the side wall of the middle protrusion (301), one end of the buffer elastic element (201) is connected to the follower stage (202), and the other end of the buffer elastic element (201) is fixed to a fixed stage (203), which is fixed on the outer wall of the front end ring (1).

5. The quick-installation and easy-to-remove engine exhaust pipe sealing ring according to claim 4, characterized in that: An arc-shaped limiting shell (204) is fixed on the fixed platform (203), and the arc-shaped limiting shell (204) partially surrounds the buffer elastic member (201).

6. The quick-installation and easy-to-remove engine exhaust pipe sealing ring according to claim 5, characterized in that: There is a distance between one end of the arc-shaped limiting shell (204) and the follower stage (202).

7. The quick-installation and easy-to-remove engine exhaust pipe sealing ring according to claim 6, characterized in that: The follower stage (202) includes a vertical stage (211) fixed to the buffer elastic member (201). A connecting block (212) is fixed on the side wall of the vertical stage (211). An inclined block (213) is fixed on one side of the connecting block (212). The inclined block (213) is fixedly connected to the outer wall of the middle protrusion (301).

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