CN217381444U - Muffler shell with anti-collision structure - Google Patents

Abstract

The utility model relates to a muffler shell with anticollision structure, including the muffler body, the surface swing joint of muffler body has anticollision institution, anticollision institution's fixed surface is connected with the fixed block, the inside swing joint of fixed block has the screw rod, the surface swing joint of screw rod has the nut. This muffler shell with anticollision structure, through setting up the installation shell, the effect of installation shell is fixed connection card rail and spring, through setting up the card rail, the effect of card rail is with spacing ring sliding connection and joint, through setting up the spring, the effect of spring is the impact force of slowing down, through setting up outside shell, outside shell replaces muffler body and external contact, and the fixed connection snap ring, through setting up the snap ring, the effect of snap ring is the fixed connection spacing ring, the snap ring linkage spacing ring reciprocates with the card rail along with the extension of spring with shortening relatively, through setting up the spacing ring, the effect of spacing ring prevents that snap ring and card rail from breaking away from.

Description

Muffler shell with anti-collision structure

Technical Field

The utility model relates to a silencer technical field specifically is a muffler shell with anticollision structure.

Background

The silencer is a noise reduction device which can be used for a gas flow pipeline with noise transmission, such as a pipeline and an elbow with sound absorption linings or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances, and the like, so that the noise in the pipeline is attenuated or reflected back, wherein the former is called a resistive silencer, the latter is called a reactive silencer, and the latter is also provided with an impedance composite silencer.

After the muffler is strikeed, can make the muffler shell warp to cause the noise cancelling effect variation of muffler, but current muffler shell generally lacks crashproof protection, so proposes a muffler shell that has crashproof structure and solves the problem among the aforesaid.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a muffler shell with anticollision structure possesses the advantage of anticollision, has solved when the muffler by the striking back, can make the muffler shell warp to cause the noise cancelling effect variation of muffler, but current muffler shell generally lacks collision avoidance's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a muffler shell with an anti-collision structure comprises a muffler body, wherein the outer surface of the muffler body is movably connected with an anti-collision mechanism, the outer surface of the anti-collision mechanism is fixedly connected with a fixed block, the inside of the fixed block is movably connected with a screw rod, and the outer surface of the screw rod is movably connected with a nut;

anticollision institution is including the installation shell, the surface swing joint of muffler body has the installation shell, the fixed surface of installation shell is connected with the card rail, the fixed surface of installation shell is connected with the spring, the outside shell of top fixedly connected with of spring, the inside fixedly connected with snap ring of outside shell, the bottom fixedly connected with spacing ring of snap ring.

Further, the installation shell and muffler body joint, the quantity of card rail is two, two the card rail is located the both ends of installation shell respectively.

Furthermore, one end of the spring is fixedly connected with the outer wall of the mounting shell, and the other end of the spring is fixedly connected with the inner wall of the outer shell.

Further, a screw hole is formed in the fixing block, the screw rod penetrates through the screw hole, the screw rod is connected with the fixing block in an inserting mode through the screw hole, and the nut is in threaded connection with the screw rod.

Further, the quantity of snap ring is two, two the snap ring is located the both ends of outside shell inner wall respectively, the quantity of spacing ring is two.

Furthermore, two the spacing ring is located the inside of two card rails respectively, two the snap ring is located the inside of two card rails respectively, two the spacing ring is with two card rail sliding connection and joint respectively.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. the muffler shell with the anti-collision structure is characterized in that a screw hole is formed in the fixed block by arranging the fixed block, a screw rod penetrates through the screw hole, the screw rod is inserted into the fixed block through the screw hole, a nut is in threaded connection with the screw rod, the anti-collision mechanism is clamped on the outer surface of a muffler body, an installation shell is arranged, the installation shell is used for fixedly connecting a clamping rail and a spring, the clamping rail is used for being in sliding connection and clamping connection with a limiting ring by arranging the clamping rail, the spring is used for reducing impact force by arranging the spring, the outer shell replaces the muffler body to be in contact with the outside by arranging the outer shell, the clamping ring is fixedly connected, the clamping ring is used for fixedly connecting the limiting ring by arranging the clamping ring, the clamping ring is linked with the limiting ring to move up and down along with the extension and shortening of the spring and relative to the clamping rail, and the limiting ring is used for preventing the clamping ring from being separated from the clamping rail by arranging the limiting ring, through the arrangement, the silencer shell with the anti-collision structure has the advantage of anti-collision.

2. This muffler shell with anticollision structure, peg graft with the fixed block through the screw rod earlier, nut and screw rod threaded connection, from this with anticollision institution and muffler body joint, then when muffler body is hit, outside shell replaces the muffler body and is hit with external contact, outside shell is hit the back, thereby pushed away to the direction that is close to the installation shell by power, the spring is shortened by the extrusion, thereby slow down the impact force, snap ring linkage spacing ring reciprocates with the card rail along with the extension of spring with shortening relatively simultaneously, the spacing ring prevents that snap ring and card rail break away from, solved when the muffler is by the striking after, can make the muffler shell warp, thereby cause the noise cancelling effect variation of muffler, but the problem of the general lack of collision avoidance of current muffler shell.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1 silencer body, 2 anticollision institution, 201 installation shell, 202 card rail, 203 spring, 204 outside shell, 205 snap ring, 206 spacing ring, 3 fixed block, 4 screw rods, 5 nuts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a muffler shell with an anti-collision structure comprises a muffler body 1, wherein an anti-collision mechanism 2 is movably connected to the outer surface of the muffler body 1, a fixed block 3 is fixedly connected to the outer surface of the anti-collision mechanism 2, a screw rod 4 is movably connected to the inside of the fixed block 3, a nut 5 is movably connected to the outer surface of the screw rod 4, through the arrangement of the fixed block 3, a screw hole is formed in the fixed block 3, the screw rod 4 penetrates through the screw hole, the screw rod 4 is inserted into the fixed block 3 through the screw hole, and the nut 5 is in threaded connection with the screw rod 4, so that the anti-collision mechanism 2 is clamped on the outer surface of the muffler body 1;

the anti-collision mechanism 2 comprises an installation shell 201, the outer surface of the silencer body 1 is movably connected with the installation shell 201, the installation shell 201 is arranged, the installation shell 201 is used for fixedly connecting clamping rails 202 and springs 203, the outer surface of the installation shell 201 is fixedly connected with the clamping rails 202, the clamping rails 202 are arranged and used for being in sliding connection and clamping connection with limiting rings 206, the outer surface of the installation shell 201 is fixedly connected with the springs 203, the springs 203 are arranged and used for reducing impact force, the top of the springs 203 is fixedly connected with outer shells 204, the outer shells 204 are arranged and used for replacing the silencer body 1 to be in contact with the outside and fixedly connected with clamping rings 205, clamping rings 205 are fixedly connected to the inner portions of the outer shells 204, the clamping rings 205 are arranged and used for fixedly connecting the limiting rings 206, the clamping rings 205 are linked with the limiting rings 206 and move up and down relative to the clamping rails 202 along with the extension and shortening of the springs 203, the bottom fixedly connected with spacing ring 206 of snap ring 205, through setting up spacing ring 206, the effect of spacing ring 206 prevents that snap ring 205 and card rail 202 from breaking away from, through above setting up, makes this muffler shell with anticollision structure possess the advantage of anticollision.

When in implementation, the method comprises the following steps:

1) firstly, the anti-collision mechanism 2 is inserted into the fixing block 3 through the screw rod 4, and the nut 5 is in threaded connection with the screw rod 4, so that the anti-collision mechanism 2 is clamped with the silencer body 1;

2) then, when the muffler body 1 is hit, the outer shell 204 is hit in place of the muffler body 1 in contact with the outside;

3) after the outer shell 204 is collided and thus pushed to a direction close to the mounting shell 201 by force, the spring 203 is compressed and shortened, thereby buffering the impact force;

4) meanwhile, the snap ring 205 is linked with the limit ring 206 to move up and down relative to the clamping rail 202 along with the extension and contraction of the spring 203, and the limit ring 206 prevents the snap ring 205 from being separated from the clamping rail 202.

In summary, in the muffler shell with the anti-collision structure, by arranging the fixing block 3, a screw hole is formed in the fixing block 3, the screw rod 4 penetrates through the screw hole, the screw rod 4 is inserted into the fixing block 3 through the screw hole, the nut 5 is in threaded connection with the screw rod 4, so that the anti-collision mechanism 2 is clamped on the outer surface of the muffler body 1, by arranging the installation shell 201, the installation shell 201 is used for fixedly connecting the clamping rail 202 and the spring 203, by arranging the clamping rail 202, the clamping rail 202 is used for being in sliding connection and clamped connection with the limit ring 206, by arranging the spring 203, the spring 203 is used for reducing impact force, by arranging the outer shell 204, the outer shell 204 is used for replacing the muffler body 1 to be in contact with the outside and is fixedly connected with the clamp ring 205, by arranging the clamp ring 205, the clamp ring 205 is used for fixedly connecting the limit ring 206, the clamp ring 205 is linked with the limit ring 206 to move up and down relative to the clamping rail 202 along with the extension and shortening of the spring 203, through setting up spacing ring 206, the effect of spacing ring 206 prevents that snap ring 205 and card rail 202 from breaking away from, through above setting, makes this muffler shell with anticollision structure possess the advantage of anticollision.

And, peg graft with fixed block 3 through screw rod 4 earlier, nut 5 and screw rod 4 threaded connection, from this with anticollision institution 2 and 1 joint of muffler body, then when muffler body 1 is hit, outside shell 204 replaces muffler body 1 to be bumped with external contact, outside shell 204 is bumped the back, thereby the quilt is pushed away to the direction that is close to installation shell 201 by the power, spring 203 is shortened by the extrusion, thereby slow down the impact force, snap ring 205 links spacing ring 206 and reciprocates with card rail 202 along with the extension of spring 203 with shortening relatively, spacing ring 206 prevents that snap ring 205 and card rail 202 from breaking away from, solved when the muffler by the striking after, can make the muffler shell warp, thereby cause the noise cancelling effect variation of muffler, but the current muffler shell generally lacks the problem of collision avoidance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A muffler shell with an anti-collision structure, comprising a muffler body (1), characterized in that: the silencer is characterized in that an anti-collision mechanism (2) is movably connected to the outer surface of the silencer body (1), a fixing block (3) is fixedly connected to the outer surface of the anti-collision mechanism (2), a screw rod (4) is movably connected to the inside of the fixing block (3), and a nut (5) is movably connected to the outer surface of the screw rod (4);

anticollision institution (2) are including installation shell (201), the surface swing joint of muffler body (1) has installation shell (201), the surface fixedly connected with card rail (202) of installation shell (201), the surface fixedly connected with spring (203) of installation shell (201), the outside shell of top fixedly connected with (204) of spring (203), the inside fixedly connected with snap ring (205) of outside shell (204), the bottom fixedly connected with spacing ring (206) of snap ring (205).

2. The muffler shell having an impact preventing structure as recited in claim 1, wherein: installation shell (201) and muffler body (1) joint, the quantity of card rail (202) is two, two card rail (202) are located the both ends of installation shell (201) respectively.

3. The muffler shell having an impact preventing structure as recited in claim 1, wherein: one end of the spring (203) is fixedly connected with the outer wall of the mounting shell (201), and the other end of the spring (203) is fixedly connected with the inner wall of the outer shell (204).

4. The muffler shell having an impact preventing structure as recited in claim 1, wherein: the screw hole has been seted up to the inside of fixed block (3), screw rod (4) run through the screw hole, screw rod (4) are pegged graft through screw and fixed block (3), nut (5) and screw rod (4) threaded connection.

5. The muffler shell having an impact preventing structure as recited in claim 1, wherein: the quantity of snap ring (205) is two, two snap ring (205) are located the both ends of outside shell (204) inner wall respectively, the quantity of spacing ring (206) is two.

6. The muffler shell having an impact preventing structure as recited in claim 1, wherein: two spacing ring (206) are located the inside of two card rails (202) respectively, two snap ring (205) are located the inside of two card rails (202) respectively, two spacing ring (206) respectively with two card rails (202) sliding connection and joint.

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