Multi-stage silencer convenient to maintain

Abstract

The utility model discloses a multistage silencer convenient to maintain, relates to the technical field of automobile silencers, solves the problem that internal devices of the silencer are inconvenient to maintain and replace when being damaged, and comprises a silencer shell, and a positioning sleeve is fixedly connected to the left side of the outer surface of the silencer shell. By arranging the silencer shell, silencing and noise reduction can be conveniently conducted on an automobile engine, by arranging a first positioning ring, a second positioning ring, the cover plate and a positioning sleeve, sealing can be conveniently conducted on the silencer shell, by arranging a positioning cylinder, a pull block, a limiting rod and a limiting hole, the silencer shell can be conveniently sealed, and the silencer shell can be conveniently sealed. According to the silencer shell, the cover plate can be conveniently limited, the cover plate can be conveniently installed and fixed by arranging a rotating handle, a screw rod and a threaded hole, meanwhile, the cover plate can be conveniently disassembled, therefore, devices in the silencer shell can be conveniently maintained, and the silencer shell is convenient to disassemble, convenient to maintain and replace and good in using effect through the mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile silencer, especially to a multistage silencer convenient to maintain. BACKGROUND

[0002] The automobile silencer is used to reduce the noise generated by the engine of the motor vehicle, and the length difference of the two pipes is equal to half of the wavelength of the sound wave emitted by the automobile, so that the two sound waves are interfered and offset each other when superimposed, thereby weakening the sound intensity and reducing the sound, thereby achieving the effect of silencing. Although the automobile silencer currently used can meet the normal use requirements, it still has defects in actual use, for example, most of the automobile silencers currently used are of an integral structure, which is inconvenient to disassemble, and when the internal components of the silencer are damaged, it is inconvenient to maintain and replace them, and improvement is needed. Therefore, the present application provides a multistage silencer convenient to maintain. SUMMARY

[0003] In order to improve the problem that it is inconvenient to maintain and replace the internal components of the silencer when they are damaged, the utility model provides a multistage silencer convenient to maintain.

[0004] The utility model provides a multistage silencer convenient to maintain, adopts the following technical scheme:

[0005] A multistage silencer convenient to maintain, comprising a silencer shell, a positioning sleeve is fixedly connected to the left side of the outer surface of the silencer shell, a cover plate is movably connected to the left side of the silencer shell, a first positioning ring and a second positioning ring are fixedly connected to the right side of the cover plate from inside to outside, limit mechanisms are arranged on the front and back surfaces of the positioning sleeve, and reinforcing mechanisms are arranged on the top and bottom of the positioning sleeve.

[0006] The limit mechanism comprises two positioning cylinders, the two positioning cylinders are fixedly installed on the front and back surfaces of the positioning sleeve respectively, a limiting rod is movably connected to the inner surface of the positioning cylinder, a pull block is fixedly connected to one side of the limiting rod, limiting holes for cooperating with the limiting rod are formed in the front and back surfaces of the second positioning ring, and the outer surface of the limiting rod is inserted into the inner surface of the limiting hole.

[0007] The reinforcing mechanism comprises two screw rods, the two screw rods are threadedly connected to the top and bottom of the positioning sleeve respectively, a handle is fixedly connected to one side of the screw rod, threaded holes for cooperating with the screw rod are formed in the top and bottom of the second positioning ring, and the outer surface of the screw rod is threadedly connected to the inner surface of the threaded hole.

[0008] By adopting the technical scheme, the cover plate can be positioned, fixed and disassembled conveniently, so that the device inside the muffler shell can be maintained conveniently.

[0009] Optionally, the outer surface of the limiting rod is fixedly connected with a limiting ring, and the inner cavity of the positioning cylinder is provided with a ring groove matched with the limiting ring.

[0010] By adopting the technical scheme, the movement of the limiting rod can be guided and limited.

[0011] Optionally, the outer surface of the limiting rod is movably connected with a compression spring, one end of the compression spring close to the limiting ring is fixedly connected with the limiting ring, and the other end of the compression spring away from the limiting ring is fixedly connected with the connecting part of the ring groove.

[0012] By adopting the technical scheme, the connection tightness between the limiting rod and the limiting hole can be improved.

[0013] Optionally, the left side of the cover plate is communicated with an air outlet pipe, and the air outlet pipe is a bent pipe.

[0014] By adopting the technical scheme, the tail gas can be discharged conveniently.

[0015] Optionally, the right side of the muffler shell is communicated with an air inlet pipe, and the right side of the air inlet pipe is fixedly connected with a flange plate.

[0016] By adopting the technical scheme, the tail gas can enter conveniently.

[0017] Optionally, the first limiting ring is inserted into the inner surface of the muffler shell, and the second limiting ring is inserted into the inner surface of the positioning sleeve.

[0018] By adopting the technical scheme, the stability after installation can be improved.

[0019] Optionally, the inner surface of the muffler shell is fixedly and uniformly provided with sound-absorbing plates from left to right, and the right side of the cover plate is fixedly provided with a filter cylinder.

[0020] By adopting the technical scheme, the sound-absorbing effect can be improved.

[0021] In summary, the utility model has the following beneficial effects:

[0022] The utility model discloses a set up silencer shell, be convenient for to the automobile engine carries out the noise reduction, through setting up first locating ring, second locating ring, apron and locating sleeve, be convenient for to the silencer shell carries out the sealing, through setting up locating cylinder, pull -out piece, limit rod and limit hole, be convenient for to apron carries out the limit, through setting up handle, screw rod and screw hole, be convenient for to apron carries out the installation fixed, also be convenient for to apron carries out the dismantlement to the device inside the silencer shell is convenient for to maintain, this mode is convenient for to the silencer shell dismantles, is convenient for to maintain replacement, and use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic drawing of the utility model;

[0024] Figure 2 It is the left view sectional view of the structure of the utility model;

[0025] Figure 3 It is the main view sectional view of the structure of the utility model;

[0026] Figure 4 It is the schematic diagram of apron structure of the utility model;

[0027] Figure 5 It is the structure of the utility model Figure 2 The partial close -up of A place in the structure of the utility model;

[0028] Figure 6 It is the structure of the utility model Figure 2 The partial close -up of B place in the structure of the utility model.

[0029] In the drawing: 1, silencer shell;2, locating sleeve;3, apron;4, first locating ring;5, second locating ring;6, limit mechanism;601, locating cylinder;602, limit rod;603, pull -out piece;604, limit hole;7, reinforcing mechanism;701, screw rod;702, handle;703, screw hole;8, limit ring;9, ring groove;10, compression spring;11, gas outlet pipe;12, air inlet pipe;13, flange;14, sound -absorbing board;15, filter cylinder. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] Embodiment:

[0032] Please refer to Figures 1-6The utility model provides a multi -stage muffler of convenient maintenance, including muffler shell 1, the left side fixedly connected with positioning sleeve 2 of muffler shell 1 outer surface, the left side swingly connected with the cover plate 3 of muffler shell 1, the right side of cover plate 3 is fixedly connected with first positioning ring 4 and second positioning ring 5 from inside to outside in proper order, and the front and back of positioning sleeve 2 are provided with limiting mechanism 6, and the top and bottom of positioning sleeve 2 are provided with reinforcing mechanism 7,

[0033] Limiting mechanism 6 includes two positioning cylinders 601, two positioning cylinders 601 are fixedly installed on the front and back of positioning sleeve 2, the inner surface of positioning cylinder 601 swingly connects with limiting rod 602, one side of limiting rod 602 is fixedly connected with pull block 603, the front and back of second positioning ring 5 are all opened with limiting hole 604 for cooperating with limiting rod 602, and the outer surface of limiting rod 602 is inserted with the inner surface of limiting hole 604

[0034] Reinforcing mechanism 7 includes two screw rods 701, two screw rods 701 are threadedly connected on the top and bottom of positioning sleeve 2, one side of screw rod 701 is fixedly connected with handle 702, the top and bottom of second positioning ring 5 are all opened with screw hole 703 for cooperating with screw rod 701, and the outer surface of screw rod 701 is threadedly connected with the inner surface of screw hole 703.

[0035] As a technical optimization scheme of the utility model, further, the outer surface of limiting rod 602 is fixedly connected with limiting ring 8, the inner cavity of positioning cylinder 601 is opened with ring groove 9 for cooperating with limiting ring 8, and the outer surface of limiting ring 8 is slidably connected with the inner surface of ring groove 9.

[0036] As a technical optimization scheme of the utility model, further, the outer surface of limiting rod 602 swingly connects with compression spring 10, one end of compression spring 10 close to limiting ring 8 is fixedly connected with the connecting portion of limiting ring 8, and the other end of compression spring 10 away from limiting ring 8 is fixedly connected with the connecting portion of the inner cavity of ring groove 9.

[0037] As a technical optimization scheme of the utility model, further, the left side of cover plate 3 is communicated with air outlet pipe 11, and air outlet pipe 11 is a bend pipe.

[0038] As a technical optimization scheme of the utility model, further, the right side of muffler shell 1 is communicated with air inlet pipe 12, and the right side of air inlet pipe 12 is fixedly connected with flange plate 13.

[0039] As a technical optimization scheme of the utility model, further, first positioning ring 4 is inserted on the inner surface of muffler shell 1, and second positioning ring 5 is inserted on the inner surface of positioning sleeve 2.

[0040] As a technical optimization scheme of the utility model, further, the inner surface of the muffler shell 1 is uniformly fixed and installed with the sound attenuation board 14 from left to right, the right side of the cover plate 3 is fixedly installed with the filter cartridge 15.

[0041] In the embodiment: by setting the muffler shell 1, it is convenient to carry out sound attenuation and noise reduction for the automobile engine, by setting the first positioning ring 4, the second positioning ring 5, the cover plate 3 and the positioning sleeve 2, it is convenient to seal the muffler shell 1, by setting the positioning cylinder 601, the pull block 603, the limiting rod 602 and the limiting hole 604, it is convenient to limit the cover plate 3, by setting the handle 702, the screw rod 701 and the threaded hole 703, it is convenient to install and fix the cover plate 3, and it is also convenient to disassemble the cover plate 3, so that it is convenient to maintain the devices inside the muffler shell 1, the muffler shell 1 is convenient to disassemble, convenient to maintain and replace, and the use effect is good, by setting the limiting ring 8 and the ring groove 9, the movement of the limiting rod 602 can be guided and limited, by setting the compression spring 10, the connection tightness between the limiting rod 602 and the limiting hole 604 can be improved, by setting the air outlet pipe 11, it is convenient to discharge the tail gas after sound attenuation, by setting the sound attenuation board 14 and the filter cartridge 15, sound attenuation and noise reduction can be carried out.

[0042] The implementation principle of the utility model is: when using, the muffler shell 1 is installed on the automobile exhaust pipe through the flange plate 13, the sound attenuation board 14 and the filter cartridge 15 are used to carry out sound attenuation and noise reduction for the noise generated when the engine works, when the devices inside the muffler shell 1 are damaged, first, the handle 702 is rotated, the handle 702 drives the screw rod 701 to rotate, the screw rod 701 is separated from the threaded hole 703, then the pull block 603 is pulled, the pull block 603 drives the limiting rod 602 to move, the limiting rod 602 is separated from the limiting hole 604, then the cover plate 3 is taken off from the surface of the muffler shell 1, at this time, the filter cartridge 15 is moved out of the muffler shell 1, and the sound attenuation board 14 is also moved out, then the staff can maintain or replace the filter cartridge 15, the sound attenuation board 14 and other devices, the muffler shell 1 is convenient to disassemble, convenient to maintain and replace, and the use effect is good.

[0043] The above are preferable embodiments of the utility model, and do not limit the protection scope of the utility model, so: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A multi-stage muffler that is easy to maintain, comprising a muffler housing (1), characterized in that: A positioning sleeve (2) is fixedly connected to the left side of the outer surface of the muffler housing (1). A cover plate (3) is movably connected to the left side of the muffler housing (1). A first positioning ring (4) and a second positioning ring (5) are fixedly connected to the right side of the cover plate (3) from the inside to the outside. A limit mechanism (6) is provided on the front and back of the positioning sleeve (2). A reinforcement mechanism (7) is provided on the top and bottom of the positioning sleeve (2). The limiting mechanism (6) includes two positioning cylinders (601), which are fixedly installed on the front and back of the positioning sleeve (2) respectively. A limiting rod (602) is movably connected to the inner surface of the positioning cylinder (601), and a pull block (603) is fixedly connected to one side of the limiting rod (602). The second positioning ring (5) has limiting holes (604) on both the front and back sides that cooperate with the limiting rod (602). The outer surface of the limiting rod (602) is inserted into the inner surface of the limiting hole (604). The reinforcement mechanism (7) includes two screws (701), which are threaded to the top and bottom of the positioning sleeve (2) respectively. A rotating handle (702) is fixedly connected to one side of the screw (701). The top and bottom of the second positioning ring (5) are provided with threaded holes (703) for use with the screws (701). The outer surface of the screw (701) is threaded to the inner surface of the threaded hole (703).

2. The multi-stage silencer for easy maintenance according to claim 1, characterized in that: The outer surface of the limiting rod (602) is fixedly connected to the limiting ring (8), and the inner cavity of the positioning cylinder (601) is provided with a groove (9) for use with the limiting ring (8). The outer surface of the limiting ring (8) is slidably connected to the inner surface of the groove (9).

3. The multi-stage silencer for easy maintenance according to claim 2, characterized in that: A compression spring (10) is movably connected to the outer surface of the limiting rod (602). The end of the compression spring (10) near the limiting ring (8) is fixedly connected to the connection point of the limiting ring (8), and the end of the compression spring (10) away from the limiting ring (8) is fixedly connected to the connection point of the inner cavity of the ring groove (9).

4. The multi-stage silencer for easy maintenance according to claim 1, characterized in that: The left side of the cover plate (3) is connected to an air outlet pipe (11), which is a bent pipe.

5. A multi-stage silencer that is easy to maintain according to claim 1, characterized in that: The right side of the muffler housing (1) is connected to an air intake pipe (12), and a flange (13) is fixedly connected to the right side of the air intake pipe (12).

6. A multi-stage silencer that is easy to maintain according to claim 1, characterized in that: The first positioning ring (4) is inserted into the inner surface of the muffler housing (1), and the second positioning ring (5) is inserted into the inner surface of the positioning sleeve (2).

7. A multi-stage silencer that is easy to maintain according to claim 1, characterized in that: The inner surface of the muffler housing (1) is uniformly fixed with muffler plates (14) from left to right, and the right side of the cover plate (3) is fixed with a filter cylinder (15).

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