Automobile silencer convenient to mount and dismount

Abstract

The utility model belongs to the technical field of silencers, and particularly relates to an automobile silencer convenient to mount and dismount, which comprises an upper machine cover, a lower machine cover is arranged at the bottom end of the upper machine cover; a plurality of groups of splicing grooves are symmetrically formed in the side wall of the upper machine cover; the side wall of the splicing groove is fixedly connected with a connecting frame; the side wall of the connecting frame is fixedly connected with an elastic plate; the upper machine cover and the lower machine cover can be mounted and dismounted only by rotating the threaded rod, meanwhile, the fixing effect during mounting and dismounting is enhanced through a special sliding connection mode between the clamping groove ring and the clamping groove head, and then the clamping groove head is isolated and fixed through the bending performance of the elastic plate, so that the fixing effect during mounting is improved, and the service life of the machine cover is prolonged. Through the convenient and fast mounting and dismounting structure, maintenance personnel can more efficiently carry out work, troubleshooting and repairing operation can be completed with less time, reduction of time cost directly means reduction of labor cost, and a vehicle owner does not need to pay high cost for long maintenance man hours.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the muffler technical field, specifically speaking, it is a kind of automobile muffler convenient to install and disassemble. BACKGROUND

[0002] In the city, the automobile is often in the state of walking and stopping, engine speed changes constantly, leading to the pressure and temperature fluctuation of exhaust system is larger, muffler needs to work under this frequent change working condition, bears certain thermal stress and mechanical stress, in addition, traffic congestion on urban road makes automobile exhaust emission concentrate, muffler effectively reduces noise and purifies exhaust gas, to reduce the pollution to urban environment.

[0003] When the muffler fails, such as internal perforation, blockage or damage, due to the inconvenience of installation and disassembly, internal perforation can make sound wave leak, cannot be effectively absorbed or attenuated according to normal design path, leading to noise increase;Blockage hinders the normal passage of airflow through the muffler, changes the propagation characteristics of airflow and sound wave, and greatly reduces the muffling function, for example, automobile muffler failure can make engine noise significantly increase, affect driving experience, and may also violate noise emission standards, therefore, the automobile muffler convenient to install and disassemble is proposed for the above problems. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the deficiencies of the prior art, solve at least one technical problem proposed in the background art, the utility model provides a kind of automobile muffler convenient to install and disassemble.

[0005] The utility model solves the technical scheme that the utility model discloses a kind of automobile muffler convenient to install and disassemble, including upper machine cover;The lower machine cover is arranged at the bottom of the upper machine cover;A plurality of splicing grooves are symmetrically formed in the side wall of the upper machine cover;Connecting frame is fixedly connected to the side wall of the splicing groove;Elastic plate is fixedly connected to the side wall of the connecting frame;The clamping groove ring is fixedly connected to the side wall of the elastic plate;Threaded rod is arranged in the inner side wall of the upper machine cover and the lower machine cover;The upper machine cover and the lower machine cover are connected with threaded rod by screw thread;Clamping groove head is arranged at the end of the threaded rod;The clamping groove head is connected with the clamping groove ring by clamping groove.

[0006] Preferably, the first sliding groove is symmetrically formed in the side wall of the upper machine cover;A plurality of storage grooves are formed in the side wall of the first sliding groove;The storage grooves are arranged in a circumferential array;First spring is fixedly connected to the side wall of the storage groove;Rubber gasket is fixedly connected to the end of the first spring;Rubber gasket is slidably connected to the side wall of the first sliding groove;The rubber gasket is slidably connected with the upper machine cover.

[0007] Preferably, the upper machine cover inner side wall is symmetrically fixed with a fixed groove block; the middle part of the threaded rod is provided with a linkage ring; the inner side wall of the linkage ring is fixed with a second spring; the end of the second spring is fixed with a sliding groove block; the sliding groove block and the linkage ring are in sliding connection; the fixed groove block and the sliding groove block are in clamping groove connection.

[0008] Preferably, a plurality of second sliding grooves are formed in the middle part of the upper machine cover; a third spring is fixed to the side wall of the second sliding groove; a threaded ring rod is arranged in the middle part of the second sliding groove; a fixed support is arranged on the side wall of the upper machine cover; the threaded ring rod is in threaded connection with the upper machine cover, the lower machine cover and the fixed support.

[0009] Preferably, the side wall of the fixed groove block is provided with a lubricating layer.

[0010] Preferably, the side wall of the fixed groove block is provided with a lubricating layer.

[0011] The utility model discloses a beneficial effect:

[0012] The utility model provides a kind of sound absorber for car convenient to install and disassemble, by being set to clamping groove head and clamping groove ring, only need to be completed the installation and disassembly work between upper machine cover and lower machine cover by rotating threaded rod, simultaneously, the fixed effect when installing and disassembly is enhanced by the special sliding connection mode between clamping groove ring and clamping groove head, then the fixed effect when installing is improved by the bendability of elastic plate to the isolation and fixation of clamping groove head, by the convenient installation and disassembly structure, maintenance personnel can more efficiently carry out work, and can complete fault troubleshooting and repair operation with less time, the reduction of time cost directly means the reduction of labor cost, vehicle owner does not need to pay high cost for long maintenance working hours, in addition, since disassembly process is more smooth, the probability of causing accidental damage to surrounding components is reduced, and additional spare part replacement cost is avoided.

[0013] The utility model provides a kind of sound absorber for car convenient to install and disassemble, by being set to first spring and rubber washer, when upper machine cover and lower machine cover complete installation connection, the friction force effect between upper machine cover and lower machine cover is improved by enhancing the friction force action area of connecting portion, greater friction force can make sound absorber assembly connection more firm, prevent sound absorber from appearing loose, displacement or even falling off in the process of car driving due to reasons such as vibration, jolt, the stable installation helps sound absorber to keep in correct position, ensure its normal work, avoid adverse effects on car performance and safety due to unstable installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:

[0015] In the drawings:

[0016] Figure 1 is a perspective view of the present application;

[0017] Figure 2 is a perspective view of the fixed groove in the present application;

[0018] Figure 3 is a perspective view of the threaded rod in the present application;

[0019] Figure 4 is Figure 2 an enlarged view of A of

[0020] Figure 5 is Figure 3 an enlarged view of B of

[0021] Figure 6 is a perspective view of the clamping groove ring in the present application;

[0022] Figure 7 is a perspective view of the third spring in the present application.

[0023] Legend:

[0024] 1, upper cover; 11, lower cover; 12, splicing groove; 13, connecting frame; 14, elastic plate; 15, clamping groove ring; 16, clamping groove head; 17, threaded rod; 2, first sliding groove; 21, storage groove; 22, first spring; 23, rubber grommet; 3, fixed groove block; 31, linkage ring; 32, second spring; 33, sliding groove block; 4, second sliding groove; 41, third spring; 42, threaded ring rod; 43, fixed support; 5, rubber ring; 6, lubricating layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Specific embodiments are given below.

[0027] Please refer to Figure 1 Figure 2 , Figure 3 ,Figure 6 The utility model provides a kind of sound damper for car of convenient installation and disassembly, including upper machine cover 1;The lower machine cover 11 is provided at the bottom of upper machine cover 1;Upper machine cover 1 lateral wall is symmetrically provided with multiple groups of splicing groove 12;Splicing groove 12 lateral wall is fixedly connected with connecting frame 13;Connecting frame 13 lateral wall is fixedly connected with elastic plate 14;Elastic plate 14 lateral wall is fixedly connected with clamping groove ring 15;Upper machine cover 1 and lower machine cover 11 inner wall are provided with threaded rod 17;Upper machine cover 1 and lower machine cover 11 are screw connection with threaded rod 17;The end of threaded rod 17 is provided with clamping groove head 16;Clamping groove head 16 is clamping groove connection with clamping groove ring 15;When working, before installing lower machine cover 11 with upper machine cover 1, threaded rod 17 can be first screwed with lower machine cover 11, then clamping groove head 16 is aligned with the opening of elastic plate 14 and clamping groove ring 15 and is screwed with upper machine cover 1 by rotating threaded rod 17, with the rotation of threaded rod 17, clamping groove head 16 is rotated and slid upward, with the rotation and sliding of clamping groove head 16, clamping groove ring 15 can slide along the groove of clamping groove head 16, when clamping groove ring 15 slides to the bottom end of the groove of clamping groove head 16, because the width of the circular opening of elastic plate 14 is less than the width of clamping groove head 16, with the continuous rotation of clamping groove head 16, elastic plate 14 will be bent, and at the same time, the opening of elastic plate 14 will be behind the lateral wall of the bottom end of clamping groove head 16, at this time, elastic plate 14 will restore the bending operation before, and then clamping groove head 16 can be isolated and fixed, at this time, threaded rod 17 also rotates to contact with the lateral wall of upper machine cover 1, at this time, through the isolation and fixing effect of clamping groove head 16 and elastic plate 14, upper machine cover 1 and lower machine cover 11 can be installed and fixed, according to the same reverse threaded rod 17, the isolation and separation effect of clamping groove head 16 and elastic plate 14 can be completed, and then the disassembly work of upper machine cover 1 and lower machine cover 11 can be completed, the design only needs to rotate threaded rod 17 to complete the installation and disassembly work between upper machine cover 1 and lower machine cover 11, and the special sliding connection mode between clamping groove ring and clamping groove head enhances the fixing effect during installation and disassembly, and then the bending of elastic plate 14 isolates and fixes clamping groove head, so as to improve the fixing effect during installation, through the convenient installation and disassembly structure, maintenance personnel can work more efficiently, and can complete fault diagnosis and repair operation in less time, the reduction of time cost directly means the reduction of labor cost, and the vehicle owner does not need to pay high cost for long maintenance time, in addition, the probability of accidental damage to surrounding components is reduced during disassembly process, and additional part replacement cost is avoided.

[0028] Further, as Figure 3 、 Figure 4As shown, the upper cover 1 side wall is symmetrically provided with a first chute 2; the first chute 2 side wall is provided with a plurality of storage grooves 21; the storage grooves 21 are arranged in a circular array; the storage groove 21 side wall is fixedly connected with a first spring 22; the first spring 22 end is fixedly connected with a rubber gasket 23; the first chute 2 side wall is slidingly connected with a rubber gasket 23; the rubber gasket 23 is slidingly connected with the upper cover 1; when the upper cover 1 and the lower cover 11 are installed and fixedly connected, the upper cover 1 will extrude the rubber gasket 23, making it slide downward, when the rubber gasket 23 slides downward, it will extrude the connected plurality of first springs 22, when the first spring 22 is extruded, it will generate a rebound force to the rubber gasket 23, exerting a reverse extrusion action on the rubber gasket 23, at this time, the rubber gasket 23 subjected to extrusion at both ends will extend, increasing its action area, thereby increasing the contact area between the upper cover 1 and the lower cover 11, the increased contact area can increase the friction force action area between the upper cover 1 and the lower cover 11 during installation and connection, the increased friction force action area can improve the friction force stability between the upper cover 1 and the lower cover 11, this design can increase the friction force action area at the connection during installation and connection of the upper cover and the lower cover, improve the friction force action effect between the upper cover and the lower cover, the large friction force can make the muffler more firmly assembled and connected, prevent the muffler from loosening, shifting or even falling off due to vibration, bumping and other reasons during vehicle driving, stable installation helps the muffler to remain in the correct position, ensures its normal work, avoids adverse effects on vehicle performance and safety due to unstable installation.

[0029] Further, as Figure 2 , Figure 5As shown, the inner wall of the upper cover 1 is symmetrically fixed with a fixed groove block 3; the middle part of the threaded rod 17 is provided with a linkage ring 31; the inner wall of the linkage ring 31 is fixed with a second spring 32; the end of the second spring 32 is fixed with a sliding groove block 33; the sliding groove block 33 and the linkage ring 31 are in sliding connection; the fixed groove block 3 and the sliding groove block 33 are in clamping groove connection; during the process of fixing the upper cover 1 and the lower cover 11 through the threaded rod 17, the linkage ring 31 slides upward with the movement of the threaded rod 17, when the clamping groove head 16 and the clamping groove ring 15 complete the fixed connection, the sliding groove block 33 and the fixed groove block 3 also complete the clamping groove connection, at this time the sliding groove block 33 presses the second spring 32, and the second spring 32 generates a counter force to push the sliding groove block 33, thereby enhancing the clamping groove fixed connection effect between the fixed groove block 3 and the sliding groove block 33, when the threaded rod 17 is reversed, the linkage ring 31 can be driven downward, thereby driving the sliding groove block 33 to separate from the fixed groove block 3, the design of the clamping groove fixing structure enhances the stability of the threaded rod 17 when the upper cover 1 and the lower cover 11 are fixedly connected, thereby improving the stability of the upper cover 1 and the lower cover 11 when they are fixedly connected.

[0030] Further, as shown in Figure 1 、 Figure 7 The middle part of the upper cover 1 is provided with a plurality of second sliding grooves 4; the side wall of the second sliding groove 4 is fixed with a third spring 41; the middle part of the second sliding groove 4 is provided with a threaded ring rod 42; the side wall of the upper cover 1 is provided with a fixed support 43; the threaded ring rod 42 is in threaded connection with the upper cover 1, the lower cover 11 and the fixed support 43; during work, the threaded ring rod 42 can be rotated by manual rotation, and can be in threaded connection and separated from the fixed support 43, when in threaded connection, the third spring 41 applies its elastic force to the disc in the middle part of the threaded ring rod 42, thereby generating a top striking force on the threaded ring rod 42, thereby improving the stability of the threaded ring rod 42 at this time, reversing the threaded ring rod 42 can make the threaded ring rod 42 and the fixed support 43 out of threaded connection, and at the same time the third spring 41 will be pressed, at this time the fixed support 43 can be connected with the threaded ring rod 42 at different positions, the design of the convenient threaded disassembly of the fixed support facilitates the replacement of its position, so that the fixed support can be adjusted according to the different positions and shapes of the automobile chassis, ensuring that the muffler is installed firmly and in the best position.

[0031] Further, as shown in Figure 5As shown, the linkage ring 31 side wall symmetrically fixed with rubber ring 5; the rubber ring 5 and the upper cover 1 inner side wall is connected; when the linkage ring 31 does the lifting movement, through the rubber ring 5 can enhance the friction with the upper cover 1 side wall, in the sliding groove block 33 and fixed groove block 3 slot connection, through the friction can enhance the stability of the fixed threaded rod 17, the design through the enhancement between the upper cover 1 inner side wall friction, thereby enhancing the stability of the threaded rod when slot connection, further improve the fixed effect of the slot head.

[0032] Further, as shown in the figure, Figure 5 The fixed groove block 3 side wall is provided with a lubricating layer 6; when the fixed groove block 3 and the sliding groove block 33 slot disengaging, through the lubricating layer 6 can enhance the smoothness between the fixed groove block 3 and the sliding groove block 33, thereby reducing the resistance when disengaging, the design through the enhancement of smoothness, thereby improving the stability when slot disengaging, further improve the convenience when disassembling.

[0033] Working principle: before the lower cover 11 and the upper cover 1 are installed, the threaded rod 17 can be screwed with the lower cover 11, then the clamping groove head 16 is aligned with the opening of the elastic plate 14 and the clamping groove ring 15, and is screwed with the upper cover 1 by rotating the threaded rod 17, with the rotation of the threaded rod 17, the clamping groove head 16 is rotated and slid upward, with the rotation and sliding of the clamping groove head 16, the clamping groove ring 15 slides along the groove of the clamping groove head 16, when the clamping groove ring 15 slides to the bottom end of the groove of the clamping groove head 16, because the width of the circular opening of the elastic plate 14 is smaller than the width of the clamping groove head 16, with the continuous rotation of the clamping groove head 16, the elastic plate 14 will be bent, at the same time, the opening of the elastic plate 14 will be behind the side wall of the bottom end of the clamping groove head 16, at this time, the elastic plate 14 will restore the bending operation before, and then the clamping groove head 16 can be isolated and fixed, at this time, the threaded rod 17 also rotates to contact the side wall of the upper cover 1, at this time, through the isolation and fixing effect of the clamping groove head 16 and the elastic plate 14, the upper cover 1 and the lower cover 11 can be installed and fixed, according to the same principle, reversing the threaded rod 17 can complete the isolation and disengagement effect of the clamping groove head 16 and the elastic plate 14, and then the disassembly work of the upper cover 1 and the lower cover 11 can be completed, when the upper cover 1 and the lower cover 11 are installed and fixed, the upper cover 1 will extrude the rubber gasket 23, making it slide downward, when the rubber gasket 23 slides downward, it will extrude the connected multiple first springs 22, when the first spring 22 is extruded, it will generate a rebound force to the rubber gasket 23, and apply a reverse extrusion force to the rubber gasket 23, at this time, the rubber gasket 23 subjected to extrusion from both ends will extend, so that its effective area increases, thereby increasing the contact area between the upper cover 1 and the lower cover 11, through the increased contact area, the friction force acting area between the upper cover 1 and the lower cover 11 during installation and connection can be improved, through the improved friction force acting area, the friction force stability between the upper cover 1 and the lower cover 11 can be improved, in the process of fixing the upper cover 1 and the lower cover 11 by the threaded rod 17, the linkage ring 31 slides upward with the movement of the threaded rod 17, when the clamping groove head 16 and the clamping groove ring 15 are fixedly connected, the sliding groove block 33 and the fixed groove block 3 also complete the clamping connection, at this time, the sliding groove block 33 extrudes the second spring 32, and the second spring 32 generates a counterforce to push the sliding groove block 33, thereby enhancing the clamping and fixing effect between the fixed groove block 3 and the sliding groove block 33, when the threaded rod 17 is reversed, the linkage ring 31 will move downward, thereby driving the sliding groove block 33 to disengage from the fixed groove block 3, by manually rotating the threaded ring rod 42, the threaded ring rod 42 can be screwed with the fixed support 43 and disengaged, when screwed, the third spring 41 will apply its elastic force to the disc in the middle of the threaded ring rod 42, thereby generating a top striking force to the threaded ring rod 42, thereby improving the stability of the threaded ring rod 42 at this time, by reversing the threaded ring rod 42, the threaded ring rod 42 can be disengaged from the threaded connection with the fixed support 43,At the same time, the third spring 41 is pressed, the fixed support 43 is connected with the threaded ring rod 42 at different positions, when the linkage ring 31 moves up and down, the friction with the side wall of the upper cover 1 is enhanced through the rubber ring 5, when the sliding groove block 33 is connected with the fixed groove block 3 through the clamping groove, the stability of the threaded rod 17 is improved through the friction, when the fixed groove block 3 is separated from the sliding groove block 33, the smoothness between the fixed groove block 3 and the sliding groove block 33 is enhanced through the lubricating layer 6, so that the separation resistance is reduced.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present 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 present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A sound muffler for vehicle, which is easy to be mounted and dismounted, comprising an upper cover (1); characterized in that: The bottom end of the upper machine cover (1) is provided with a lower machine cover (11); the side wall of the upper machine cover (1) is symmetrically provided with a plurality of splicing grooves (12); the side wall of the splicing groove (12) is fixedly connected with a connecting frame (13); the side wall of the connecting frame (13) is fixedly connected with an elastic plate (14); the side wall of the elastic plate (14) is fixedly connected with a clamping groove ring (15); the inner side wall of the upper machine cover (1) and the lower machine cover (11) is provided with a threaded rod (17); the upper machine cover (1) and the lower machine cover (11) are in threaded connection with the threaded rod (17); the end of the threaded rod (17) is provided with a clamping groove head (16); the clamping groove head (16) is in clamping groove connection with the clamping groove ring (15).

2. The easily mounted and dismounted muffler for an automobile according to claim 1, wherein: The side wall of the upper machine cover (1) is symmetrically provided with a first sliding groove (2); the side wall of the first sliding groove (2) is provided with a plurality of storage grooves (21); the storage grooves (21) are arranged in a circular array; the side wall of the storage groove (21) is fixedly connected with a first spring (22); the end of the first spring (22) is fixedly connected with a rubber gasket (23); the side wall of the first sliding groove (2) is slidingly connected with the rubber gasket (23); the rubber gasket (23) is in sliding connection with the upper machine cover (1).

3. The easily mounted and dismounted muffler for an automobile according to claim 1, wherein: The inner side wall of the upper machine cover (1) is symmetrically fixedly connected with a fixed groove block (3); the middle part of the threaded rod (17) is provided with a linkage ring (31); the inner side wall of the linkage ring (31) is fixedly connected with a second spring (32); the end of the second spring (32) is fixedly connected with a sliding groove block (33); the sliding groove block (33) is in sliding connection with the linkage ring (31); the fixed groove block (3) is in clamping groove connection with the sliding groove block (33).

4. The easily mounted and dismounted muffler for an automobile according to claim 1, wherein: The middle part of the upper machine cover (1) is provided with a plurality of second sliding grooves (4); the side wall of the second sliding groove (4) is fixedly connected with a third spring (41); the middle part of the second sliding groove (4) is provided with a threaded ring rod (42); the side wall of the upper machine cover (1) is provided with a fixed support (43); the threaded ring rod (42) is in threaded connection with the upper machine cover (1), the lower machine cover (11) and the fixed support (43).

5. The easily mounted and dismounted muffler for an automobile according to claim 3, wherein: The side wall of the linkage ring (31) is symmetrically fixedly connected with a rubber ring (5); the inner side wall of the rubber ring (5) is in sliding connection with the upper machine cover (1).

6. The easily mounted and dismounted muffler for an automobile according to claim 3, wherein: The side wall of the fixed groove block (3) is provided with a lubricating layer (6).

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