CN215566208U

CN215566208U - Corrugated pipe of automobile exhaust pipe

Info

Publication number: CN215566208U
Application number: CN202121660329.2U
Authority: CN
Inventors: 马志荣
Original assignee: Wuxi Chuangfan Auto Parts Co ltd
Current assignee: Wuxi Chuangfan Auto Parts Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-18
Anticipated expiration: 2031-07-20

Abstract

The invention relates to the field of automobile parts, and particularly discloses an automobile exhaust pipe corrugated pipe, which comprises a corrugated pipe body, wherein an expansion joint is arranged in the corrugated pipe body, connecting rings are arranged at two ends of the corrugated pipe body, and a steel wire mesh sleeve is arranged outside the corrugated pipe body, and is characterized in that: the steel wire net cover is detachably connected with the corrugated pipe body, an installation ring is fixedly connected to the end of the steel wire net cover, a clamping block is arranged on the installation ring, a clamping interface corresponding to the clamping block is formed in the connection ring, and the clamping block is clamped with the connecting interface. This application has the life's that can prolong vehicle vent-pipe bellows effect.

Description

Corrugated pipe of automobile exhaust pipe

Technical Field

The invention relates to the technical field of automobile parts, in particular to an automobile exhaust pipe corrugated pipe.

Background

The corrugated pipe of the automobile exhaust pipe is also called as an automobile exhaust pipe hose, and is arranged between an engine exhaust branch pipe and a silencer, so that the whole exhaust pipe is in flexible connection, and the corrugated pipe plays roles in reducing vibration and noise and prolonging the service life of a silencer system.

The corrugated pipe of the automobile exhaust pipe is mainly used for light vehicles, mini vehicles and passenger cars and comprises a double-layer corrugated pipe, a steel wire mesh sleeve covers the double-layer corrugated pipe, and clamping rings are sleeved outside straight edge sections at two ends of the double-layer corrugated pipe. The automobile exhaust pipe corrugated pipe can deform due to air flow vibration in the using process, the steel wire mesh sleeve is easy to damage in a long-term frequent vibration process, the end of the steel wire mesh sleeve in the existing automobile exhaust pipe corrugated pipe structure is fixedly welded with the snap ring, and when the steel wire mesh sleeve is damaged, the automobile exhaust pipe corrugated pipe needs to be integrally replaced, so that the service life of the automobile exhaust pipe corrugated pipe is shortened.

SUMMERY OF THE UTILITY MODEL

In order to prolong the life of vehicle vent-pipe bellows, this application provides a vehicle vent-pipe bellows.

The application provides a pair of vehicle vent-pipe bellows, including the bellows body, this internal telescopic joint that is provided with of bellows, the both ends of bellows body all are provided with the go-between, the bellows body is provided with steel wire net cover, its characterized in that outward: the steel wire net cover is detachably connected with the corrugated pipe body, an installation ring is fixedly connected to the end of the steel wire net cover, a clamping block is arranged on the installation ring, a clamping interface corresponding to the clamping block is formed in the connection ring, and the clamping block is clamped with the connecting interface.

Through adopting above-mentioned technical scheme, steel wire netting cover and collar fixed connection, the collar on collar and the bellows body links to each other the back, has realized being connected of steel wire netting cover and bellows body promptly, and the collar passes through the joint piece card and puts in the joint mouth of collar, when the steel wire netting cover takes place to damage, only needs to pull down the collar from the collar, change alone the steel wire netting cover can, prolonged the life of vehicle vent-pipe bellows.

Optionally, a connecting groove corresponding to the clamping block is formed in the connecting ring, the clamping interface is arranged in the connecting groove, and the clamping interface is communicated with the connecting groove.

Through adopting above-mentioned technical scheme, because go-between and collar are the annular structure, the spread groove set up to the joint piece and provide direction and location, make the joint piece can be more smooth card go into to the joint mouth in, make the card of joint piece go into more convenient.

Optionally, a containing cavity is formed in the connecting ring, a spring is arranged in the containing cavity, one end of the spring is connected with the bottom wall of the containing cavity, the other end of the spring is connected with one end of the clamping block, and the clamping block is arranged in the containing cavity in a sliding mode.

Through adopting above-mentioned technical scheme, when installing the collar on the go-between, the go-between at first contacts with the joint piece, and the spring warp, continues to remove the collar, and when the position of joint piece corresponded with the joint mouth, the joint piece was gone into in the joint mouth under the effect of spring, has realized being connected of collar and go-between.

Optionally, fixedly connected with draws the round pin on the joint piece, the one end that draws the round pin is located the collar, the other end that draws the round pin extends to and holds the intracavity and with joint piece fixed connection.

Through adopting above-mentioned technical scheme, when needing to pull down the collar from the go-between, only need the pulling and sell, outwards deviate from the joint piece from the joint interface with the joint piece, can realize the dismantlement of collar and go-between, easy and simple to handle.

Optionally, the connection ring is detachably connected with the corrugated pipe body through threads.

Through adopting above-mentioned technical scheme, the connecting pipe is connected with dismantling of bellows body, has made things convenient for the installation to the go-between, and it is more convenient when also can making steel wire net cover and go-between link to each other simultaneously.

Optionally, a first flange is coaxially arranged on the connecting ring, a second flange is coaxially arranged on the mounting ring, the end faces of the first flange and the second flange are attached to each other, and a connecting piece for locking the first flange and the second flange is arranged on the second flange.

Through adopting above-mentioned technical scheme, the area of being connected between bellows body and the steel wire net cover has been increased in setting up of first flange and second flange, and the cooperation connecting piece locks first flange and second flange simultaneously, makes the connection between bellows body and the steel wire net cover more stable.

Optionally, a placing groove corresponding to the second flange is formed in the first flange, and the second flange is disposed in the placing groove.

Through adopting above-mentioned technical scheme, the area of contact between first flange and the second flange has been increased in setting up of standing groove, makes the connection between first flange and the second flange more stable.

Optionally, a wear-resistant layer is arranged on the side wall of the connecting groove.

Through adopting above-mentioned technical scheme, the vibrating state can appear at the in-process that uses of vehicle vent-pipe bellows, and the setting up of wearing layer can make the friction between joint piece and the go-between reduce, all plays the guard action to joint piece and go-between.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the steel wire mesh sleeve is fixedly connected with the mounting ring, after the mounting ring is connected with the connecting ring on the corrugated pipe body, the connection of the steel wire mesh sleeve and the corrugated pipe body is realized, the mounting ring is clamped in the clamping port of the connecting ring through the clamping block, when the steel wire mesh sleeve is damaged, the mounting ring is only required to be detached from the connecting ring, and the steel wire mesh sleeve is only required to be replaced independently, so that the service life of the corrugated pipe of the automobile exhaust pipe is prolonged;

2. when the mounting ring is mounted on the connecting ring, the connecting ring is firstly contacted with the clamping block, the spring deforms, the mounting ring continues to move, and when the clamping block corresponds to the clamping interface in position, the clamping block is clamped into the clamping interface under the action of the spring, so that the mounting ring is connected with the connecting ring;

3. the arrangement of the first flange and the second flange increases the connection area between the corrugated pipe body and the steel wire net sleeve, and the first flange and the second flange are locked by the matching connecting piece, so that the corrugated pipe body and the steel wire net sleeve are more stably connected.

Drawings

Fig. 1 is a schematic diagram for embodying the overall structure of the present embodiment.

Fig. 2 is an exploded view for embodying the overall structure of the present embodiment.

Fig. 3 is an exploded view for embodying the structure of the connecting member.

Figure 4 is an exploded view of a structure for embodying a snap assembly.

Fig. 5 is an enlarged schematic view of a portion a in fig. 3.

Fig. 6 is an exploded view for illustrating a connection relationship of the first flange and the second flange.

Description of reference numerals:

1. a bellows body; 11. a bellows portion; 12. a straight tube portion; 2. an expansion joint; 3. a steel wire mesh sleeve; 4. a connecting assembly; 41. a connecting ring; 411. connecting grooves; 412. a card interface; 42. a mounting ring; 421. an accommodating chamber; 5. a clamping assembly; 51. a spring; 52. a clamping block; 53. pulling a pin; 6. a first flange; 61. a placement groove; 7. a second flange; 8. a connecting member; 9. and a wear-resistant layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses vehicle vent-pipe bellows.

Referring to fig. 1 and 2, an automobile exhaust pipe corrugated pipe includes corrugated pipe body 1, and corrugated pipe body 1 includes corrugated pipe portion 11, and corrugated pipe portion 11's both ends all are provided with straight tube portion 12, and straight tube portion 12 and corrugated pipe portion 11 are integrated into one piece, and the inside fixedly connected with telescopic joint 2 of corrugated pipe body 1 is provided with steel wire net cover 3 outward for corrugated pipe body 1, can dismantle through coupling assembling 4 between steel wire net cover 3 and the corrugated pipe body 1 and be connected.

Referring to fig. 1 and 2, the vehicle vent-pipe bellows is at the in-process that uses, bellows body 1 can be because air current and pressure produce deformation, the effect of shock attenuation amortization can be fine played in the setting of bellows portion 11, cooperation telescopic joint 2 uses simultaneously, can improve bellows body 1's intensity, the cracked possibility of bellows body 1 emergence has been reduced, steel wire net cover 3 can play the guard action to bellows body 1's outside, when steel wire net cover 3 takes place to damage, pull down steel wire net cover 3 from bellows body 1 and renew can, need not to change vehicle vent-pipe bellows whole, service life is prolonged.

Referring to fig. 3 and 4, the two ends of the wire mesh sleeve 3 are provided with the connecting assemblies 4, each connecting assembly 4 comprises a connecting ring 41 and a mounting ring 42, the connecting rings 41 are arranged outside the straight pipe portion 12, the connecting rings 41 are in threaded connection with the straight pipe portion 12, the mounting rings 42 are fixedly connected with the ends of the wire mesh sleeve 3, and the connecting rings 41 and the mounting rings 42 are clamped and fixed through the clamping assemblies 5.

Referring to fig. 4 and 5, joint subassembly 5 sets up on collar 42, joint subassembly 5 includes spring 51 and joint piece 52, set up on collar 42's the interior rampart and hold the chamber 421 with the corresponding of joint piece 52, spring 51 is located and holds the chamber 421, the one end of joint piece 52 is located and holds the chamber 421, spring 51's one end and the diapire fixed connection who holds the chamber 421, spring 51's the other end and joint piece 52 are located and hold the one end fixed connection in the chamber 421, the unsettled setting of the other end of joint piece 52 just stretches out and holds the chamber 421. The clamping assembly 5 further comprises a pull pin 53, the pull pin 53 and a spring 51 are coaxially arranged, one end of the pull pin 53 is located outside the mounting ring 42, one end of the pull pin 53 extends into the accommodating cavity 421 and is fixedly connected with the clamping block 52, the pull pin 53 is connected with the mounting ring 42 in a sliding manner, and the spring 51 is sleeved on the pull pin 53; the connecting ring 41 is provided with a connecting groove 411 corresponding to the clamping block 52, the connecting groove 411 is arranged along the axial direction of the connecting ring 41, one end of the connecting groove 411 close to the mounting ring 42 is communicated with the outside, and the bottom wall of the connecting groove 411 is provided with a clamping opening 412 corresponding to the clamping block 52.

Referring to fig. 4 and 5, when the connection ring 41 is connected to the mounting ring 42, the connection slot 411 serves to position the clamping block 52, so that the clamping block 52 can be more smoothly clamped into the clamping interface 412. The clamping block 52 firstly abuts against the connecting ring 41, the spring 51 is compressed, the mounting ring 42 is continuously moved, when the position of the clamping block 52 corresponds to the clamping interface 412, the clamping block 52 is clamped into the clamping interface 412 under the action of the spring 51, and the mounting ring 42 is clamped and fixed with the connecting ring 41.

Referring to fig. 5, the inner wall of the coupling groove 411 is provided with a wear-resistant layer 9. The vibration state can appear in the use of vehicle vent-pipe bellows, and the friction between joint piece 52 and go-between 41 can be reduced in the setting of wearing layer 9, all plays the guard action to joint piece 52 and go-between 41.

Referring to fig. 6, a first flange 6 is arranged on a connection ring 41, the first flange 6 is coaxially and fixedly connected with the connection ring 41, a second flange 7 is arranged on a mounting ring 42, the second flange 7 is coaxially and fixedly connected with the mounting ring 42, a placing groove 61 corresponding to the second flange 7 is formed in the first flange 6, the second flange 7 is embedded in the placing groove 61, a plurality of connecting pieces 8 are arranged on the second flange 7, the connecting pieces 8 are evenly arranged along the circumferential direction of the second flange 7, and the connecting pieces 8 are bolts used for locking the first flange 6 and the second flange 7.

Referring to the figure, the arrangement of the first flange 6 and the second flange 7 can make the connection between the corrugated pipe body 1 and the steel wire net cover 3 more stable, the arrangement of the placing groove 61 increases the contact area between the first flange 6 and the second flange 7, and the first flange 6 and the second flange 7 are locked by the matching bolts, so that the first flange 6 and the second flange 7 are connected more closely together, and the stability of the whole device is improved.

The implementation principle of the embodiment of the application is as follows: when installing the wire mesh sleeve 3, an operator firstly sleeves the wire mesh sleeve 3 outside the corrugated pipe body 1, and then connects the connection ring 41 with the corrugated pipe body 1 by screw threads. The clamping blocks 52 on the mounting ring 42 are clamped into the clamping interfaces 412, and finally the first flange 6 and the second flange 7 are locked by the connecting piece 8.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automobile exhaust pipe bellows, includes bellows body (1), be provided with expansion joint (2) in bellows body (1), the both ends of bellows body (1) all are provided with go-between (41), bellows body (1) is provided with wire netting cover (3), its characterized in that outward: the corrugated pipe is characterized in that the steel wire net sleeve (3) is detachably connected with the corrugated pipe body (1), the end of the steel wire net sleeve (3) is fixedly connected with a mounting ring (42), a clamping block (52) is arranged on the mounting ring (42), a clamping interface (412) corresponding to the clamping block (52) is arranged on the connecting ring (41), and the clamping block (52) is clamped with the connecting interface.

2. The corrugated pipe for an automobile exhaust pipe according to claim 1, wherein: the connecting ring (41) is provided with a connecting groove (411) corresponding to the clamping block (52), the clamping interface (412) is arranged in the connecting groove (411), and the clamping interface (412) is communicated with the connecting groove (411).

3. The corrugated pipe for an automobile exhaust pipe according to claim 2, wherein: seted up on go-between (41) and held chamber (421), be provided with spring (51) in holding chamber (421), the one end of spring (51) links to each other with the diapire that holds chamber (421), the other end of spring (51) links to each other with the one end of joint piece (52), joint piece (52) slide and set up in holding chamber (421).

4. The corrugated pipe for an automobile exhaust pipe according to claim 3, wherein: fixedly connected with draws round pin (53) on joint piece (52), the one end of drawing round pin (53) is located collar (42) outside, the other end of drawing round pin (53) extend to hold in chamber (421) and with joint piece (52) fixed connection.

5. The corrugated pipe for an automobile exhaust pipe according to claim 4, wherein: the connecting ring (41) is detachably connected with the corrugated pipe body (1) through threads.

6. The corrugated pipe for an automobile exhaust pipe according to claim 5, wherein: the connecting ring (41) is coaxially provided with a first flange (6), the mounting ring (42) is coaxially provided with a second flange (7), the end faces of the first flange (6) and the second flange (7) are attached to each other, and the second flange (7) is provided with a connecting piece (8) used for locking the first flange (6) and the second flange (7).

7. The corrugated pipe for an automobile exhaust pipe according to claim 6, wherein: the first flange (6) is provided with a placing groove (61) corresponding to the second flange (7), and the second flange (7) is arranged in the placing groove (61).

8. The corrugated pipe for an automobile exhaust pipe according to claim 7, wherein: and a wear-resistant layer (9) is arranged on the side wall of the connecting groove (411).