CN113153506A - Automobile silencer structure convenient to disassemble and assemble - Google Patents
Automobile silencer structure convenient to disassemble and assemble Download PDFInfo
- Publication number
- CN113153506A CN113153506A CN202110568077.9A CN202110568077A CN113153506A CN 113153506 A CN113153506 A CN 113153506A CN 202110568077 A CN202110568077 A CN 202110568077A CN 113153506 A CN113153506 A CN 113153506A
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- Prior art keywords
- shell
- structure convenient
- upper shell
- lower shell
- plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses an automobile silencer structure convenient to disassemble and assemble, and belongs to the field of silencers. An automobile muffler structure convenient to disassemble and assemble comprises a shell and acoustic parts, wherein the shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are rotatably connected through a hinge; connecting pieces which are matched with each other are arranged on the upper shell and the lower shell, and locking pieces are arranged on the connecting pieces; a fixing partition plate is connected between the upper shell and the lower shell and used for fixing the acoustic parts, and the acoustic parts are connected to the fixing partition plate; an adjusting spring mechanism matched with the fixed partition plate is also arranged in the shell; the invention can be conveniently disassembled and assembled, can simultaneously ensure that the fixing effect of the acoustic parts is better, avoids the damage or influence on use caused by poor fixing effect, simultaneously can not crush the acoustic parts, and can meet the installation requirements on different sections by adopting a fixed clapboard.
Description
Technical Field
The invention relates to the technical field of silencers, in particular to an automobile silencer structure convenient to disassemble and assemble.
Background
The silencer and the catalyst belong to an automobile exhaust system, the silencer is used for eliminating noise generated by an automobile engine, the acoustic performance of the silencer is unchangeable along with the acoustic performance of the whole automobile after leaving a factory, and a user needs to replace the whole silencer system to modify if the user wants to obtain different exhaust sounds, such as sound waves of a sports car; in addition, in the existing silencer manufacturing process, dozens of parts need to be assembled together by welding, the welded silencer cannot be disassembled, the fixing effect of the acoustic parts in the silencer is poor, the acoustic parts are easy to shake and damage, dozens of sets of samples need to be manufactured in the acoustic design stage for scheme verification, in the process, besides the acoustic core structure needs to be manufactured, other general parts need to be manufactured again, a large amount of time and material cost are caused, secondly, the structure often needs to be adjusted according to the acoustic performance in the acoustic tuning process, because the silencing bag needs to be designed into an incomplete regular shape according to the structure of the automobile chassis, the shape of the cross section is changed after the position of the fixed partition plate is adjusted, a new die needs to be developed to manufacture the corresponding fixed partition plate, the time and the cost are increased, therefore, the automobile silencer structure convenient to disassemble and install is provided, universal parts do not need to be manufactured, development time and cost are greatly saved, and the fixed mounting effect of the acoustic parts is better.
Disclosure of Invention
The invention aims to solve the problems of inconvenient disassembly and fixation and cost increase in the prior art, and provides an automobile muffler structure convenient to disassemble and assemble.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automobile muffler structure convenient to disassemble and assemble comprises a shell and an acoustic part, wherein the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are rotatably connected through a hinge, and the acoustic part is connected between the upper shell and the lower shell;
connecting pieces which are matched with each other are arranged on the upper shell and the lower shell, and locking pieces are arranged on the connecting pieces;
a fixing partition plate is connected between the upper shell and the lower shell and used for fixing the acoustic parts, and the acoustic parts are connected to the fixing partition plate;
and an adjusting spring mechanism matched with the fixed partition plate is also arranged in the shell.
Preferably, the fixed partition plate comprises an upper partition plate and a lower partition plate which are matched with each other, and the adjusting spring mechanism is used for enabling the upper partition plate and the lower partition plate to abut against the upper shell and the lower shell.
Further, the adjusting spring mechanism comprises a first fixed frame and a second fixed frame, a limiting plate is connected in the second fixed frame in a sliding mode, a limiting rod is fixedly connected to the limiting plate, the top of the limiting rod is connected in the first fixed frame, and the top of the limiting rod is abutted to the inner wall of the top of the first fixed frame.
Furthermore, an elastic piece is connected in the second fixing frame and is connected between the limiting plate and the inner wall of the bottom of the second fixing frame.
Preferably, the retaining member mainly includes knob, threaded rod and fixation nut, be equipped with splint on the connection piece, the threaded rod is connected on splint, the knob links to each other with the threaded rod, fixation nut threaded connection just offsets with splint on the threaded rod.
Furthermore, the outer wall of the threaded rod is further sleeved with a gasket, and the gasket is connected between the clamping plate and the knob.
Preferably, the acoustic part is further connected with an air inlet pipe and an air outlet pipe, and the air inlet pipe and the air outlet pipe are connected between the upper shell and the lower shell.
Compared with the prior art, the invention provides the automobile muffler structure convenient to disassemble and assemble, which has the following beneficial effects:
1. this automobile muffler structure convenient to dismantle installation, during the use, open the upper casing, then with the acoustics part installation in the lower casing, then cover the upper casing to make the acoustics part convenient fixed after upper casing and lower casing close.
2. This automobile muffler structure convenient to dismantle installation, fixed baffle design are two for last baffle and lower baffle, connect through adjusting spring mechanism, make same fixed baffle like this can satisfy the installation requirement at different cross-sections.
The parts which are not involved in the device are the same as or can be realized by the prior art, the acoustic part fixing device can be conveniently detached and installed, meanwhile, the fixing effect of the acoustic part is better, the acoustic part is prevented from being damaged or influencing the use due to poor fixing effect, meanwhile, the acoustic part is not crushed, and the installation requirements on different sections can be met by adopting a fixing partition plate.
Drawings
Fig. 1 is a schematic structural diagram of an automobile muffler structure convenient to disassemble and assemble according to embodiment 1 of the present invention;
fig. 2 is a schematic view of an opening of a housing of an automobile muffler structure convenient to disassemble and assemble according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of acoustic components and a fixed partition in an automobile muffler structure convenient to disassemble and assemble according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of a portion A in FIG. 1 of an automobile muffler convenient to disassemble and assemble according to the present invention;
FIG. 5 is a schematic structural diagram of a portion B in FIG. 3 of an automobile muffler convenient to disassemble and assemble according to the present invention;
FIG. 6 is a schematic structural diagram of an automobile muffler structure convenient to disassemble and assemble according to embodiment 2 of the present invention
FIG. 7 is a schematic structural diagram of the interior of an automobile muffler structure convenient to disassemble and assemble according to embodiment 2 of the present invention;
fig. 8 is a schematic cross-sectional view of an automobile muffler structure convenient to disassemble and assemble according to embodiment 2 of the present invention;
FIG. 9 is a schematic structural diagram of a portion C in FIG. 8, illustrating an automobile muffler easy to disassemble and assemble according to the present invention;
FIG. 10 is a schematic structural view of a portion D in FIG. 8 of an automobile muffler convenient to disassemble and assemble according to the present invention;
fig. 11 is a schematic structural diagram of a first arc pressing plate and a second arc pressing plate in an automobile muffler structure convenient to detach and mount according to embodiment 2 of the present invention.
In the figure: 1. an upper housing; 101. connecting sheets; 102. an air inlet pipe; 103. an air outlet pipe; 104. a splint; 2. a lower housing; 3. an acoustic part; 4. a sleeve; 401. a piston plate; 402. a support bar; 403. a first spring; 404. pressing a plate; 405. a connecting pipe; 5. a fixed block; 501. a cavity; 502. a slider; 503. fixing the rod; 504. a first arc pressing plate; 505. a second spring; 6. a support plate; 601. a slide bar; 602. a second arc pressing plate; 603. a slide plate; 604. a connecting rod; 605. a third spring; 606. a cylinder; 607. a cylindrical block; 608. a fourth spring; 609. a top plate; 610. concave holes; 7. a knob; 701. a threaded rod; 702. fixing a nut; 703. a gasket; 8. fixing the partition board; 801. an upper partition plate; 802. a lower partition plate; 803. a first fixed frame; 804. a second fixed frame; 805. a limiting plate; 806. a limiting rod; 807. an elastic member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, an automobile muffler structure convenient to disassemble and assemble comprises a shell and an acoustic part 3, wherein the shell comprises an upper shell 1 and a lower shell 2, the upper shell 1 and the lower shell 2 are rotatably connected through a hinge, and the acoustic part 3 is connected between the upper shell 1 and the lower shell 2;
connecting pieces 101 which are matched with each other are arranged on the upper shell 1 and the lower shell 2, and locking pieces are arranged on the connecting pieces 101;
a fixed partition plate 8 is connected between the upper shell 1 and the lower shell 2 and used for fixing the acoustic part 3, and the acoustic part 3 is connected to the fixed partition plate 8;
an adjusting spring mechanism matched with the fixed clapboard 8 is also arranged in the shell.
The fixed partition 8 includes an upper partition 801 and a lower partition 802 that are fitted to each other, and the adjusting spring mechanism is used to urge the upper partition 801 and the lower partition 802 against the upper case 1 and the lower case 2.
The adjusting spring mechanism comprises a first fixing frame 803 and a second fixing frame 804, a limiting plate 805 is connected in the second fixing frame 804 in a sliding mode, a limiting rod 806 is fixedly connected to the limiting plate 805, and the top of the limiting rod 806 is connected in the first fixing frame 803 and abuts against the inner wall of the top of the first fixing frame 803.
An elastic member 807 is connected in the second fixed frame 804, and the elastic member 807 is connected between the limiting plate 805 and the bottom inner wall of the second fixed frame 804.
The retaining member mainly includes knob 7, threaded rod 701 and fixation nut 702, is equipped with splint 104 on the connection piece 101, and threaded rod 701 is connected on splint 104, and knob 7 links to each other with threaded rod 701, and fixation nut 702 threaded connection just offsets with splint 104 on threaded rod 701.
The outer wall of the threaded rod 701 is sleeved with a gasket 703, and the gasket 703 is connected between the clamping plate 104 and the knob 7.
An air inlet pipe 102 and an air outlet pipe 103 are also connected to the acoustic part 3, and the air inlet pipe 102 and the air outlet pipe 103 are both connected between the upper shell 1 and the lower shell 2.
In the invention, when in use, the upper shell 1 is opened, then the acoustic part 3 and the fixed partition plate 8 are installed in the lower shell 2, and then the upper shell 1 is covered, so that the acoustic part 3 is fixed, the locking piece can enable the upper shell 1 and the lower shell 2 to be connected more conveniently and is convenient to detach, the fixed partition plate 8 can be connected between the upper shell 1 and the lower shell 2 conveniently through the adjusting spring mechanism, the elastic piece 807 can drive the limiting plate 805 to move, so that the limiting rod 806 abuts against the first fixed frame 803, and the upper partition plate 801 and the lower partition plate 802 abut against the upper shell 1 and the lower shell 2, so that the fixing is convenient.
Secondly, in the acoustic tuning process, the structure is often required to be adjusted according to the acoustic performance, for example, the volume of different cavities is changed by changing the position of the fixed partition plate 8 in the muffler, so that different exhaust sound performances are obtained, because the muffler bag is required to be designed into an incompletely regular shape according to the structure of the automobile chassis, the shape of the cross section is changed after the position of the fixed partition plate 8 is adjusted, a new mold is required to be developed to manufacture the corresponding fixed partition plate 8, so that the time and the cost are increased, the fixed partition plate 8 is designed to be movable, the fixed partition plate 8 is designed into an upper partition plate 801 and a lower partition plate 802, and the two pieces are connected through an adjusting spring mechanism, so that the same fixed partition plate 8 can meet the installation requirements of different cross sections.
By rotating the knob 7, the visible threaded rod 701 rotates, and after being in threaded connection with the fixing nut 702, the visible threaded rod abuts against the clamping plate 104, so that the connection between the upper shell 1 and the lower shell 2 is more stable.
An air inlet pipe 102 and an air outlet pipe 103 are further connected to the acoustic part 3, and the air inlet pipe 102 and the air outlet pipe 103 are both connected between the upper shell 1 and the lower shell 2, so that the mounting is convenient.
Example 2:
referring to fig. 6-11, an automobile muffler structure convenient for disassembly and assembly comprises a shell and an acoustic part 3, wherein the shell comprises an upper shell 1 and a lower shell 2, the upper shell 1 and the lower shell 2 are rotatably connected through a hinge, and the acoustic part 3 is connected between the upper shell 1 and the lower shell 2;
connecting pieces 101 which are matched with each other are arranged on the upper shell 1 and the lower shell 2, and locking pieces are arranged on the connecting pieces 101;
a fixed partition plate 8 is connected between the upper shell 1 and the lower shell 2 and used for fixing the acoustic part 3, and the acoustic part 3 is connected to the fixed partition plate 8;
an adjusting spring mechanism matched with the fixed clapboard 8 is also arranged in the shell.
The spring adjusting mechanism comprises a fixed block 5 arranged on the inner wall of the upper shell 1, a cavity 501 is arranged in the fixed block 5, a sliding block 502 is connected in the cavity 501 in a sliding mode, and the bottom of the sliding block 502 is connected with a first arc pressing plate 504; the inner wall of the lower shell 2 is slidably connected with a second arc pressing plate 602 corresponding to the first arc pressing plate 504, and both the first arc pressing plate 504 and the second arc pressing plate 602 are matched with the acoustic part 3.
The inner wall of the upper shell 1 is fixedly connected with a sleeve 4, a piston plate 401 is connected in the sleeve 4 in a sliding manner, the bottom of the piston plate 401 is connected with a supporting rod 402, the bottom of the supporting rod 402 is fixedly connected with a pressing plate 404, and the pressing plate 404 is matched with a fixed partition plate 8; a first spring 403 is connected between the piston plate 401 and the inner wall of the sleeve 4, the first spring 403 is sleeved on the outer wall of the support rod 402, a spongy cushion is arranged on the outer wall of the pressing plate 404, and a connecting pipe 405 is connected between the sleeve 4 and the cavity 501.
The bottom of the sliding block 502 is fixedly connected with a fixing rod 503, the first arc pressing plate 504 is connected to the bottom of the fixing rod 503, the outer wall of the fixing rod 503 is sleeved with a second spring 505, and the second spring 505 is connected between the sliding block 502 and the inner wall of the cavity 501.
The inner wall of the lower shell 2 is fixedly connected with a connecting rod 604, the connecting rod 604 is fixedly connected with a supporting plate 6, the supporting plate 6 is connected with a sliding rod 601 in a sliding manner, and a second arc pressing plate 602 is fixedly connected to the outer wall of the top of the sliding rod 601; the bottom of the sliding rod 601 is fixedly connected with a sliding plate 603, the sliding plate 603 is slidably connected to a connecting rod 604, the connecting rod 604 is sleeved with two third springs 605, and the two third springs 605 are respectively connected between the supporting plate 6 and the sliding plate 603, and between the supporting plate 6 and the inner wall of the bottom of the lower shell 2.
The inner wall of lower casing 2 fixedly connected with drum 606, sliding connection has cylinder piece 607 in drum 606, and the top of cylinder piece 607 is equipped with roof 609, is equipped with shrinkage pool 610 on the cylinder piece 607, is connected with fourth spring 608 between shrinkage pool 610 and the inner wall of lower casing 2.
After the upper shell 1 and the lower shell 2 are closed, the bottom of the acoustic part 3 abuts against the second arc pressing plate 602, so that the second arc pressing plate 602 moves downwards, the sliding rod 601 can slide on the supporting plate 6, the sliding plate 603 can slide on the connecting rod 604, the third spring 605 is compressed, the connection of the acoustic part 3 can be more stable by the first arc pressing plate 504 and the second arc pressing plate 602, the third spring 605 is arranged, the second arc pressing plate 602 can move, the acoustic part 3 is prevented from being damaged, the top plate 609 can be pressed by the acoustic part 3, the cylindrical block 607 is pressed by the top plate 609 to move downwards, and the fourth spring 608 can buffer the acoustic part to prevent the acoustic part 3 from being damaged.
Open upper casing 1, then install acoustics part 3 in lower casing 2, then cover upper casing 1, make clamp plate 404 push down fixed baffle 8, thereby make it fixed, bracing piece 402 can drive piston plate 401 and remove when pressing, thereby make it slide in sleeve 4, inject the gas in sleeve 4 into cavity 501 on the fixed block 5 through connecting pipe 405, then promote slider 502 and remove, thereby make slider 502 drive first circular arc clamp plate 504 through dead lever 503 and remove, make it support acoustics part 3, thereby make acoustics part 3 conveniently fixed after upper casing 1 and lower casing 2 close.
Therefore, the same fixed partition plate 8 can meet the installation requirements on different sections and is convenient to use.
The retaining member mainly includes knob 7, threaded rod 701 and fixation nut 702, is equipped with splint 104 on the connection piece 101, and threaded rod 701 is connected on splint 104, and knob 7 links to each other with threaded rod 701, and fixation nut 702 threaded connection just offsets with splint 104 on threaded rod 701.
The outer wall of the threaded rod 701 is sleeved with a gasket 703, and the gasket 703 is connected between the clamping plate 104 and the knob 7.
An air inlet pipe 102 and an air outlet pipe 103 are also connected to the acoustic part 3, and the air inlet pipe 102 and the air outlet pipe 103 are both connected between the upper shell 1 and the lower shell 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The automobile muffler structure convenient to disassemble and assemble comprises a shell and an acoustic part (3), and is characterized in that the shell comprises an upper shell (1) and a lower shell (2), the upper shell (1) and the lower shell (2) are rotatably connected through a hinge, and the acoustic part (3) is connected between the upper shell (1) and the lower shell (2);
connecting pieces (101) which are matched with each other are arranged on the upper shell (1) and the lower shell (2), and locking pieces are arranged on the connecting pieces (101);
a fixed partition plate (8) is further connected between the upper shell (1) and the lower shell (2) and used for fixing the acoustic parts (3), and the acoustic parts (3) are connected to the fixed partition plate (8);
and an adjusting spring mechanism matched with the fixed partition plate (8) is also arranged in the shell.
2. The automobile muffler structure convenient for disassembly and assembly as claimed in claim 1, wherein the fixed baffle (8) comprises an upper baffle (801) and a lower baffle (802) which are engaged with each other, and the adjusting spring mechanism is used for pressing the upper baffle (801) and the lower baffle (802) against the upper shell (1) and the lower shell (2).
3. The automobile muffler structure convenient to detach and mount as claimed in claim 2, wherein the adjusting spring mechanism comprises a first fixing frame (803) and a second fixing frame (804), a limiting plate (805) is slidably connected in the second fixing frame (804), a limiting rod (806) is fixedly connected to the limiting plate (805), and the top of the limiting rod (806) is connected in the first fixing frame (803) and abuts against the inner wall of the top of the first fixing frame (803).
4. The automobile muffler structure convenient to disassemble and assemble according to claim 3, wherein an elastic member (807) is connected in the second fixing frame (804), and the elastic member (807) is connected between the limiting plate (805) and the bottom inner wall of the second fixing frame (804).
5. The automobile muffler structure convenient to detach and mount as claimed in claim 1, wherein the locking member mainly comprises a knob (7), a threaded rod (701) and a fixing nut (702), a clamping plate (104) is arranged on the connecting piece (101), the threaded rod (701) is connected to the clamping plate (104), the knob (7) is connected to the threaded rod (701), and the fixing nut (702) is in threaded connection with the threaded rod (701) and abuts against the clamping plate (104).
6. The automobile muffler structure convenient for disassembly and assembly as claimed in claim 5, wherein a gasket (703) is sleeved on the outer wall of the threaded rod (701), and the gasket (703) is connected between the clamping plate (104) and the knob (7).
7. The automobile muffler structure convenient to disassemble and assemble according to claim 1, wherein the acoustic part (3) is further connected with an air inlet pipe (102) and an air outlet pipe (103), and the air inlet pipe (102) and the air outlet pipe (103) are connected between the upper shell (1) and the lower shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568077.9A CN113153506B (en) | 2021-05-25 | 2021-05-25 | Automobile silencer structure convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568077.9A CN113153506B (en) | 2021-05-25 | 2021-05-25 | Automobile silencer structure convenient to disassemble and assemble |
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| Publication Number | Publication Date |
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| CN113153506A true CN113153506A (en) | 2021-07-23 |
| CN113153506B CN113153506B (en) | 2022-09-13 |
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|---|---|---|---|
| CN202110568077.9A Active CN113153506B (en) | 2021-05-25 | 2021-05-25 | Automobile silencer structure convenient to disassemble and assemble |
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