An exhaust assembly for an engine
By designing an exhaust assembly for engines with a fixed sleeve, push rod, and spring structure, the problem of inconvenient muffler disassembly and assembly was solved, achieving quick disassembly and assembly and noise reduction, thus improving maintenance efficiency and system maintainability.
Patent Information
- Application Number
- CN202422904834.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing engine muffler is inconvenient to disassemble and assemble, resulting in low maintenance efficiency, high labor costs, and potential damage to bolts and flanges, increasing maintenance difficulty and costs.
An exhaust assembly for an engine was designed, which adopts a structure of fixed sleeve, push rod and spring. Through the cooperation of limit rod and fixed ring, it realizes the convenient operation of quick disassembly and assembly of muffler shell and filter plate, and incorporates sound-absorbing cotton to reduce noise.
It simplifies the muffler installation and removal process, reduces maintenance time and labor costs, extends the service life of the engine and exhaust system, ensures the normal operation of the system, and reduces noise.
Smart Images
Figure CN223608625U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of engine exhaust assembly, especially relates to a kind of exhaust assembly for engine. BACKGROUND
[0002] Engine exhaust assembly is the vital part in engine system, they cooperate to ensure that exhaust gas can be effectively discharged from engine, while reducing noise and emission pollution, exhaust manifold position and connection, usually installed on the cylinder head of engine, connected with engine cylinder, collect the exhaust gas of each cylinder, and import it into exhaust manifold, the shape design of exhaust manifold is crucial to the exhaust efficiency of engine, exhaust pipe material is usually made of steel pipe or iron pipe, the role is to transport exhaust gas from exhaust manifold to catalytic converter and muffler, and finally discharged into atmosphere.
[0003] When engine works, exhaust gas in cylinder is discharged through exhaust valve, enters exhaust manifold, exhaust manifold collects the exhaust gas of each cylinder, imports into exhaust pipe, then, exhaust gas is purified by three-way catalytic converter, harmful components in it are converted into harmless gas, then, exhaust gas enters muffler, reduces exhaust pressure and attenuates the pulsation of exhaust pressure, so that exhaust energy is dissipated, thereby reducing noise, finally, treated exhaust gas is discharged into atmosphere through exhaust tail pipe.
[0004] However, when disassembling muffler, it is necessary to disassemble bolts on flange one by one, the process of disassembling bolts one by one is time-consuming, which reduces the efficiency of maintenance work, long time disassembling work not only increases labor cost, tools need to be used in disassembling process, if not handled properly, it may cause problems such as bolt damage, flange deformation or sealing failure, these problems not only affect the performance of muffler, but also may cause damage to the whole exhaust system, increase maintenance difficulty and cost. UTILITY MODEL CONTENTS
[0005] In view of the above-mentioned problems of existing muffler disassembly inconvenience, the utility model is proposed.
[0006] To solve the above technical problems, the utility model provides the following technical scheme: a kind of exhaust assembly for engine, including sound-absorbing shell, the both ends of the sound-absorbing shell are fixedly connected with one fixed plate, two the both sides of the two one fixed plate are respectively provided with two fixed plates and three fixed plates, two the both sides of the two one fixed plate are respectively inserted with fixed sleeve rod and two fixed plates and three fixed plates, the surface of the fixed sleeve rod is screw-connected with fixed ring on one side, the inner surface of the fixed sleeve rod is inserted with push rod, the outer rod wall of the push rod is installed with moving rod, the surface of the moving rod is sleeved with one spring, the both sides of the push rod are fixedly connected with two springs, the one end of the two springs is fixedly connected with limit rod.
[0007] As a preferred scheme of the engine exhaust assembly, the two sides of the fixed sleeve rod are provided with rectangular holes, the inner surface of the fixed sleeve rod is provided with a sliding groove for the movement of the movable rod, the outer rod wall of the limiting rod and the push rod is rotationally connected, the inner surface of the sound attenuation shell is fixedly connected with a sound attenuation pipe, and the outer surface of the sound attenuation pipe is sleeved with sound attenuation cotton.
[0008] As a preferred scheme of the engine exhaust assembly, the one side of the second fixed plate is fixedly connected with an air inlet pipe, and the one side of the third fixed plate is fixedly connected with an exhaust pipe.
[0009] As a preferred scheme of the engine exhaust assembly, the two sides of the exhaust pipe are inserted with fixed rods, one end of the fixed rod is fixedly connected with a push-pull plate, and the other end of the fixed rod is fixedly connected with a limiting plate.
[0010] As a preferred scheme of the engine exhaust assembly, the one side of the limiting plate is provided with a third spring, one end of the two third springs is fixedly connected with the air inlet pipe, and the surface of the limiting plate is inserted with a filter plate.
[0011] As a preferred scheme of the engine exhaust assembly, the two sides of the filter plate are provided with grooves for inserting the limiting plate, and the surface of the filter plate is fixedly connected with a filter screen.
[0012] The engine exhaust assembly has the advantages that:
[0013] 1. The engine exhaust assembly has the advantages that: the limiting rod can be telescoped in the rectangular hole by pressing the push rod, the fixed ring can limit and fix the limiting rod, the installation and disassembly are facilitated, the convenient disassembly process can significantly shorten the maintenance time, the maintenance personnel can complete the task faster, the simplified disassembly steps can reduce the labor cost and time cost in the maintenance process, and the design of the muffler facilitating disassembly makes the maintenance personnel more easily check, clean and replace the muffler and related parts.
[0014] 2. The limiting plate is inserted in the groove, the third spring has elasticity and can clamp the filter plate, the filter plate can be clamped and disassembled, the subsequent cleaning of the filter plate by the staff is facilitated, the accumulated dirt can be removed by cleaning the filter plate, the filtering function is restored, the normal work of the engine and the exhaust system is ensured, if the filter plate is not cleaned for a long time, the accumulated dirt may enter the engine or the exhaust system, causing wear or damage to the internal parts, cleaning the filter plate can prevent such a situation from occurring, and the service life of the engine and the exhaust system is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not deviating from the concept of the present application. Among them:
[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0017] Figure 2 It is a schematic diagram of the overall structure of the fixed sleeve rod and the fixed ring of the present application.
[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the fixed sleeve rod of the present application.
[0019] Figure 4 It is an enlarged schematic diagram of the local structure of the fixed rod and the limiting plate of the present application.
[0020] Explanation of reference signs:
[0021] 1, sound shell; 2, No. 1 fixed plate; 3, No. 2 fixed plate; 4, No. 3 fixed plate; 5, fixed sleeve rod; 6, fixed ring; 7, rectangular hole; 8, push rod; 9, moving rod; 10, No. 1 spring; 11, sliding groove; 12, No. 2 spring; 13, limiting rod; 14, sound attenuation pipe; 15, sound attenuation cotton; 16, air inlet pipe; 17, exhaust pipe; 18, fixed rod; 19, push-pull plate; 20, limiting plate; 21, No. 3 spring; 22, filter plate; 23, groove. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.
[0023] Embodiment 1
[0024] Reference Figures 1-3 , the first embodiment of the present application provides an exhaust assembly for an engine, which comprises a sound shell 1, both ends of the sound shell 1 are fixedly connected with a No. 1 fixed plate 2, both sides of the two No. 1 fixed plates 2 are respectively provided with a No. 2 fixed plate 3 and a No. 3 fixed plate 4, the two No. 1 fixed plates 2 are respectively inserted with a fixed sleeve rod 5 on both sides of the No. 2 fixed plate 3 and the No. 3 fixed plate 4, one side of the surface of the fixed sleeve rod 5 is threadedly connected with a fixed ring 6, the inner surface of the fixed sleeve rod 5 is inserted with a push rod 8, one end of the push rod 8 is fixedly connected with a moving rod 9, the surface of the moving rod 9 is sleeved with a No. 1 spring 10, both sides of the push rod 8 are fixedly connected with a No. 2 spring 12, one end of the No. 2 spring 12 is fixedly connected with a limiting rod 13;
[0025] The worker rotates the fixing ring 6, and then extrudes the push rod 8, moves the moving rod 9 into the sliding groove 11, extrudes the limiting rod 13 and the second spring 12, and moves forward and stretches in the rectangular hole 7, the first spring 10 is extruded and rebounded, so that the first fixed plate 2 and the second fixed plate 3 and the first fixed plate 2 and the third fixed plate 4 can be fixed together, then the worker rotates the fixing ring 6 to fix, which is convenient for installation and disassembly, the convenient disassembly process can significantly shorten the maintenance time, the maintenance personnel can complete the task faster, the simplified disassembly steps can reduce the labor cost and time cost in the maintenance process, the muffler design convenient for disassembly makes the maintenance personnel more easily check, clean and replace the muffler and related parts, the muffler design convenient for disassembly makes the maintenance personnel more easily check, clean and replace the muffler and related parts, which helps to improve the overall maintainability of the exhaust system and prolong the service life of the vehicle.
[0026] Embodiment 2
[0027] Reference Figures 1-4 For the second embodiment of the utility model, which is different from the first embodiment: the two sides of the fixed sleeve rod 5 are provided with rectangular holes 7, the inner surface of the fixed sleeve rod 5 is provided with a sliding groove 11 for the movement of the moving rod 9, the limiting rod 13 and the outer rod wall of the push rod 8 are rotationally connected, the inner surface of the muffler shell 1 is fixedly connected with a muffler pipe 14, the outer surface of the muffler pipe 14 is sleeved with a sound-absorbing cotton 15, one side of the second fixed plate 3 is fixedly connected with an air inlet pipe 16, one side of the third fixed plate 4 is fixedly connected with an exhaust pipe 17, the two sides of the exhaust pipe 17 are inserted with a fixed rod 18, one end of the fixed rod 18 is fixedly connected with a push-pull plate 19, the other end of the fixed rod 18 is fixedly connected with a limiting plate 20, one side of the limiting plate 20 is provided with a third spring 21, one end of the two third springs 21 is fixedly connected with one end of the air inlet pipe 16, the surface of the limiting plate 20 is inserted with a filter plate 22, the two sides of the filter plate 22 are provided with a groove 23 for inserting the limiting plate 20, and the surface of the filter plate 22 is fixedly connected with a filter screen;
[0028] The worker pulls the push-pull plate 19 outward on the exhaust pipe 17, the fixed rod 18 extrudes the third spring 21, and then the limiting plate 20 is separated from the limiting of the filter plate 22, which is convenient for the worker to take out the filter plate 22 subsequently, and is convenient for the worker to clean the filter plate 22 subsequently, by cleaning the filter plate 22, the accumulated dirt can be removed, the filtering function can be restored, and the normal work of the engine and the exhaust system can be ensured, if the filter plate 22 is not cleaned for a long time, the accumulated dirt may enter the engine or the exhaust system, causing wear or damage to the internal components, cleaning the filter plate 22 can prevent this situation from happening, and prolong the service life of the engine and the exhaust system.
[0029] The working process of the utility model is as follows:
[0030] The worker rotates the fixing ring 6, and then extrudes the push rod 8, and moves the rod 9 to the sliding groove 11, so that the limiting rod 13 extrudes the second spring 12 and moves forward and stretches in the rectangular hole 7, the first spring 10 is extruded and rebounded, so that the first fixed plate 2 and the second fixed plate 3 and the first fixed plate 2 and the third fixed plate 4 can be fixed together, then the worker rotates the fixing ring 6 to fix, so that the worker can quickly disassemble the sound insulation shell 1, the air inlet pipe 16 and the exhaust pipe 17, and facilitate the subsequent worker to clean and maintain, at the same time, the worker pulls the push-pull plate 19 outward on the exhaust pipe 17, the fixing rod 18 extrudes the third spring 21, and then the limiting plate 20 is disengaged from the limiting of the filter plate 22, so that the worker can take out the filter plate 22 subsequently, by cleaning the filter plate 22, accumulated dirt can be removed, the filtering function is restored, and the normal work of the engine and the exhaust system is ensured, and the sound insulation pipe 14 is provided with the sound insulation cotton 15, the main function of the sound insulation cotton 15 is to absorb and reduce the noise in the pipeline, when the gas passes through the sound insulation pipe 14, a certain noise and vibration will be generated, the sound insulation cotton 15 can effectively absorb these sound energy, so as to reduce the noise level, the sound insulation cotton 15 usually has the characteristics of high temperature resistance, which makes it can maintain stable performance in high temperature environment, in the high temperature environment such as the exhaust pipe 17, the sound insulation cotton 15 can effectively absorb and reduce the noise, and will not be invalid or deformed due to high temperature.
[0031] The rest of the structure is the same as that of example 1.
[0032] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.
Claims
1. An exhaust assembly for an engine, comprising a muffler shell (1), two ends of the muffler shell (1) are fixedly connected with a first fixed plate (2), two sides of two first fixed plates (2) are respectively provided with a second fixed plate (3) and a third fixed plate (4), two first fixed plates (2) are respectively inserted with a fixed sleeve rod (5) on two sides of the second fixed plate (3) and the third fixed plate (4), characterized in that, The surface of the fixed sleeve rod (5) is connected with a fixed ring (6) on one side, the inner surface of the fixed sleeve rod (5) is inserted with a push rod (8), one end of the push rod (8) is fixedly connected with a moving rod (9), the surface of the moving rod (9) is sleeved with a first spring (10), the outer rod wall of the push rod (8) is provided with a second spring (12), one end of the second spring (12) is fixedly connected with a limiting rod (13).
2. An exhaust assembly for an engine as claimed in claim 1, wherein: The both sides of the fixed sleeve rod (5) are provided with rectangular holes (7), the inner surface of the fixed sleeve rod (5) is provided with a sliding groove (11) for facilitating the movement of the moving rod (9), the limiting rod (13) and the outer rod wall of the push rod (8) are rotatably connected, the inner surface of the sound reduction shell (1) is fixedly connected with a sound reduction pipe (14), the outer surface of the sound reduction pipe (14) is sleeved with sound reduction cotton (15).
3. An exhaust assembly for an engine as defined in claim 1, wherein: One side of the second fixed plate (3) is fixedly connected with an air inlet pipe (16), one side of the third fixed plate (4) is fixedly connected with an exhaust pipe (17).
4. An exhaust assembly for an engine as claimed in claim 3, wherein: The both sides of the exhaust pipe (17) are inserted with a fixed rod (18), one end of the fixed rod (18) is fixedly connected with a push-pull plate (19), the other end of the fixed rod (18) is fixedly connected with a limiting plate (20).
5. An exhaust assembly for an engine as claimed in claim 4, wherein: One side of the limiting plate (20) is provided with a third spring (21), one end of the two third springs (21) and one end of the air inlet pipe (16) are fixedly connected, the surface of the limiting plate (20) is inserted with a filter plate (22).
6. An exhaust assembly for an engine as claimed in claim 5, wherein: The both sides of the filter plate (22) are provided with grooves (23) for facilitating the insertion of the limiting plate (20), the surface of the filter plate (22) is fixedly connected with a filter screen.