CN114382580A

CN114382580A - Vehicle silencer exhaust apparatus

Info

Publication number: CN114382580A
Application number: CN202111538036.1A
Authority: CN
Inventors: 王国栋; 董磊; 刘坤; 杨冬; 李晏; 刘建斌; 周京清; 李卫华; 李景须
Original assignee: Beijing Institute of Electronic System Engineering
Current assignee: Beijing Institute of Electronic System Engineering
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-22
Anticipated expiration: 2041-12-15
Also published as: CN114382580B

Abstract

The invention discloses an exhaust device of a vehicle muffler, relates to the technical field of exhaust tail pipes, and is used for solving the technical problem that the normal use of a vehicle is influenced because rainwater possibly enters the vehicle from an exhaust pipe in rainy days of the exhaust pipe of the conventional vehicle. The vehicle muffler exhaust apparatus includes: the device comprises a silencer, a tail pipe connected with the silencer, a diversion pipe used for changing the height of exhaust gas and a driving device; the diversion pipe is movably arranged on the tail pipe, the driving device is connected with the diversion pipe and the tail pipe, and the driving device can drive the diversion pipe to move and communicate the diversion pipe with the tail pipe. Above-mentioned vehicle silencer exhaust apparatus can communicate diversion pipe and tail pipe when needing through diversion pipe and the drive arrangement who sets up, adjusts carminative height and direction, improves the final exhaust height and the exhaust direction of tail pipe, and complete equipment simple structure, convenient to use can effectively avoid rainy day ponding to enter into in the tail pipe, has very high practicality.

Description

Vehicle silencer exhaust apparatus

Technical Field

The invention relates to the technical field of exhaust tail pipes, in particular to an exhaust device of a vehicle muffler.

Background

The exhaust pipe is part of an engine exhaust system which mainly comprises an exhaust manifold, an exhaust pipe and a muffler, and a three-way catalyst, which is generally used for controlling the emission of pollutants from the engine, is also installed in the exhaust system.

Most of the existing general vehicle tail pipes are transversely installed on a vehicle, but for an amphibious special vehicle, the transverse installation of an exhaust system on the vehicle may cause water to enter from an exhaust pipe, so that the normal use of the vehicle is affected, but when the exhaust pipe is vertically installed on the vehicle, rain may cause rainwater to enter the vehicle from the exhaust pipe, so that the normal use of the vehicle is affected, and therefore the tail pipe with both transverse exhaust and vertical exhaust is needed.

Disclosure of Invention

The invention aims to provide an exhaust device of a vehicle muffler, which is used for solving the technical problem that the normal use of a vehicle is influenced because rainwater possibly enters the vehicle from an exhaust pipe in rainy days in the exhaust pipe of the conventional vehicle.

In order to achieve the above purpose, the invention provides the following technical scheme:

the vehicle muffler exhaust device comprises a muffler and a tail pipe connected with the muffler, and is characterized by also comprising a direction-changing pipe and a driving device, wherein the direction-changing pipe is used for changing the height of exhaust;

the diversion pipe is movably arranged on the tail pipe, the driving device is connected with the diversion pipe and the tail pipe, and the driving device can drive the diversion pipe to move and communicate the diversion pipe with the tail pipe.

The exhaust device of the vehicle muffler is provided with the diversion pipe capable of changing the exhaust height, the driving device is connected with the diversion pipe and the tail pipe, the diversion pipe can be communicated with the tail pipe under the action of the driving device, the exhaust height of the tail pipe is adjusted, and when the exhaust height does not need to be changed, the driving device can drive the diversion pipe to be separated from the tail pipe, and exhaust is carried out according to the original exhaust height and direction of the tail pipe. Above-mentioned vehicle silencer exhaust apparatus can communicate diversion pipe and tail pipe when needing through diversion pipe and the drive arrangement who sets up, adjusts carminative height and direction, improves the final exhaust height and the exhaust direction of tail pipe, and complete equipment simple structure, convenient to use can effectively avoid rainy day ponding to enter into in the tail pipe, has very high practicality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the structure of a vehicle muffler exhaust apparatus provided in the present invention;

FIG. 2 is a side view of the position of the steerer tube of FIG. 1;

FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;

fig. 4 is a schematic view of the internal structure of the elastic fixing member of the present invention.

Reference numerals:

1. a muffler; 2. a tail pipe; 3. an extension tube; 4. a turning pipe; 5. a partition plate; 6. a first exhaust port; 7. a second vent hole; 8. closing the plate; 9. a telescopic rod; 10. a first mounting member; 11. a second mount; 12. a bump; 13. fixing grooves; 14. a receiving cavity; 15. fixing the rod; 16. an elastic restoring device; 17. a fixing hole; 18. and a gasket.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, the present invention provides an exhaust device of a muffler for a vehicle, comprising a muffler 1, a tail pipe 2 coupled to the muffler 1, a direction-changing pipe 4 for changing the height of exhaust gas, and a driving means;

the diversion pipe 4 is movably arranged on the tail pipe 2, the driving device is connected with the diversion pipe 4 and the tail pipe 2, and the driving device can drive the diversion pipe 4 to move and communicate the diversion pipe 4 with the tail pipe 2.

In the specific implementation:

an exhaust device of a vehicle muffler comprises a muffler 1 and a tail pipe 2 arranged at one end of the muffler 1, one end of the tail pipe 2 is communicated with an extension pipe 3, the outer surface of the tail pipe 2 is penetrated and connected with a diversion pipe 4 in a sliding way, the inner surface of the diversion pipe 4 is fixedly connected with a partition plate 5 above the tail pipe 2, the outer surface of the diversion pipe 4 is provided with a first exhaust hole 6 above the partition plate 5, the left side and the right side of the outer surface of the diversion pipe 4 are respectively provided with a second exhaust hole 7 below the partition plate 5, one end of the diversion pipe 4 is fixedly connected with a seal plate 8, the front side and the back side of the tail pipe 2 are respectively and fixedly connected with a telescopic rod 9 through a fixed frame, the telescopic rod 9 is electrically connected with an external power supply and is controlled by a control switch, one end of the telescopic rod 9 is fixedly connected with the outer surface of the diversion pipe 4, when a vehicle needs to run on water, start telescopic link 9 and drive diversion pipe 4 and descend, thereby make first exhaust hole 6 get into tail pipe 2's inside, thereby make tail gas discharge upwards along diversion pipe 4, thereby prevent that water from getting into inside the vehicle from tail pipe 2's one end, when rainy day, on the same principle, start telescopic link 9 and make second exhaust hole 7 get into tail pipe 2's inside, thereby make tail gas discharge from extension pipe 3's one end, thereby prevent that the rainwater from getting into the vehicle, thereby make the device both can transversely exhaust and can vertical exhaust, thereby make the device can be suitable for different environment, and then the suitability of device has been increased. When the tail pipe 2 needs to be repaired and replaced, the fixing rod 15 is extruded to enable the elastic recovery device 16 to contract, the fixing rod 15 is separated from the fixing hole 17, the tail pipe 2 is pulled to enable the lug 12 to be separated from the mounting groove, and therefore the tail pipe 2 and the silencer 1 are detached.

The invention provides a vehicle muffler exhaust device, which is provided with a diversion pipe 4 capable of changing the exhaust height, a driving device is connected with the diversion pipe 4 and a tail pipe 2, the diversion pipe 4 can be communicated with the tail pipe 2 under the action of the driving device to realize the adjustment of the exhaust height of the tail pipe 2, and when the exhaust height does not need to be changed, the driving device can drive the diversion pipe 4 to be separated from the tail pipe 2 to exhaust according to the original exhaust height and direction of the tail pipe 2. Above-mentioned vehicle silencer exhaust apparatus can communicate diversion pipe 4 and tail pipe 2 when needing through diversion pipe 4 and the drive arrangement who sets up, adjusts carminative height and direction, improves the final exhaust height and the exhaust direction of tail pipe 2, and complete equipment simple structure, convenient to use can effectively avoid rainy day ponding to enter into in tail pipe 2, has very high practicality.

As an implementation mode, one end of the diversion pipe 4 is open, the inner cavity of the diversion pipe is divided into two independent cavities through the partition board 5, a first exhaust hole 6 is arranged on the cavity communicated with the open end, a second exhaust hole 7 penetrating through the cavity is arranged on the other cavity of the diversion pipe, the driving device drives the diversion pipe 4 to move, and the corresponding cavity is communicated with the exhaust tail pipe 2 and sealed.

The uncovered and the first exhaust hole 6 intercommunication of diversion pipe 4 one end for the final exhaust hole behind diversion pipe 4 and the tail pipe 2 intercommunication, uncovered height and orientation can be designed according to the demand of reality. The diversion pipe 4 adopts the form of cutting apart two independent cavities, the cooperation corresponds first exhaust hole 6 and the second exhaust hole 7 that sets up on the cavity, the effectual intercommunication that has realized corresponding cavity and tail pipe 2, when the cavity of second exhaust hole 7 and tail pipe 2 intercommunication, tail gas is according to the initial exhaust direction and the high exhaust of tail pipe 2, when the cavity of first exhaust hole 6 and tail pipe 2 intercommunication, tail gas is according to the height and the direction exhaust of final exhaust hole, specific which cavity and tail pipe 2 intercommunication, adjust according to actual weather demand by drive arrangement.

As an implementation mode, the tail pipe 2 is provided with a mounting hole penetrating through the tail pipe 2, the diversion pipe 4 is slidably mounted in the mounting hole, and the outer wall of the diversion pipe 4 and the tail pipe 2 are sealed mutually. Further, the other end of diversion pipe 4 passes through shrouding 8 to be sealed, and shrouding 8 can adopt squarely, circular or other can carry out other shapes that seal to diversion pipe 4, and the diameter or the length of side of shrouding 8 are greater than the diameter of mounting hole, have effectively ensured diversion pipe 4 when the drive arrangement drives down the motion, and the blind end of diversion pipe 4 can not enter into in tail pipe 2.

The setting of mounting hole on tail pipe 2 has made things convenient for the installation to deviator 4, and deviator 4 has advanced more direct exhaust height to tail pipe 2 and has adjusted along the trompil direction motion of mounting hole, and the mounting hole adopts the trompil form of vertical direction. The diversion pipe 4 and the tail pipe 2 are sealed with each other, so that the tail gas emission effect is effectively ensured, and the rainwater enters the tail pipe 2 through the connection position of the tail pipe 2 and the diversion pipe 4 in rainy days, so that the safety and the applicability of the tail pipe 2 are improved.

As an implementation mode, the driving device comprises a telescopic rod 9, and two ends of the telescopic rod 9 are respectively connected with the diversion pipe 4 and the tail pipe 2.

The driving device in the form of the telescopic rod 9 is simpler in structure, more direct in control of the turning pipe 4, lower in cost investment and more convenient to maintain.

As an embodiment, the tail pipe 2 further includes a plurality of locking devices, and the muffler 1 and the tail pipe 2 are coupled by the locking devices.

The silencer 1 is connected with the tail pipe 2 by adopting a locking device, so that the tail pipe 2, the diversion pipe 4 and the like are more convenient to disassemble, assemble and maintain, and the installation is more stable.

As an embodiment, the locking device includes a first mounting member 10, a second mounting member 11, and a locking member, the first mounting member 10 is disposed on the muffler 1 or the tail pipe 2, the second mounting member 11 is disposed on the tail pipe 2 or the muffler 1, the locking member is mounted on a side of the first mounting member 10 facing the second mounting member 11, the second mounting member 11 is provided with a fixing groove 13, and the locking member is inserted into the fixing groove 13 and locked.

The first mounting parts 10 correspond to the second mounting parts 11 one by one, the first mounting parts 10 and the second mounting parts 11 are arranged, so that the silencer 1 and the tail pipe 2 can be better butted, the mounting parts can also be in an annular form, and the sealing effect can be further ensured. In order to better ensure the effect of butt joint locking, the fixing grooves 13 and the locking pieces are in one-to-one correspondence, and the locking pieces are inserted into the fixing grooves 13 and are locked, so that the installation is more convenient.

As an implementation mode, the locking element includes a protruding block 12 and an elastic fixing element, the elastic fixing element is installed on the protruding block 12, a fixing hole 17 is provided on the fixing groove 13, and when the locking element is inserted into the fixing groove 13, the movable end of the elastic fixing element penetrates out of the fixing hole 17.

The combination of the convex block 12 and the elastic fixing piece enables the locking piece to better extend into the fixing groove 13 for locking. The elastic fixing piece is pressed when the bump 12 extends into the fixing groove 13, the elastic fixing piece pops out under the elastic action of the elastic fixing piece after the bump 12 extends into the fixing groove 13, the movable end of the elastic fixing piece penetrates out of the fixing hole 17, locking is achieved, and installation, disassembly and maintenance are convenient and fast.

As an implementation mode, the elastic fixing member includes a receiving cavity 14, an elastic restoring device 16 and a fixing rod 15, the elastic restoring device 16 is installed in the receiving cavity 14, one end of the fixing rod 15 is installed in the receiving wall and abuts against the elastic restoring device 16, and the other end thereof penetrates through the receiving cavity 14.

Accomodate chamber 14's setting, can effectually accomodate elasticity restoring device 16, also spacing has been carried out dead lever 15, avoided dead lever 15 to deviate from in accomodating chamber 14, elasticity restoring device 16 offsets with dead lever 15, and is further, elasticity restoring device 16 adopts the answer spring, is in the micro-compression state, has guaranteed the stability after dead lever 15 pops out for more firm behind muffler 1 and the 2 aggregate erection of tail pipe.

As an embodiment, the tail pipe 2 further includes a gasket 18, and the gasket 18 is installed between the muffler 1 and the tail pipe 2.

The sealing gasket 18 ensures the sealing effect between the silencer 1 and the tail pipe 2 after installation, prevents smoke from penetrating from the joint, and also prevents rainwater and the like from entering the tail pipe 2 through the joint.

As an implementation, the tail pipe 2 further includes an extension pipe 3, and the extension pipe 3 is installed at an end of the tail pipe 2 far from the muffler 1.

The setting of extension pipe 3 has realized the concentrated emission to tail gas, and is further, seals between extension pipe 3 and tail pipe 2 and is connected, has ensured that tail gas intelligence discharges through extension pipe 3.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A vehicle muffler exhaust apparatus, including the muffler, tail pipe coupling with said muffler, characterized by that, also include being used for changing the direction changing pipe and drive unit of the exhaust height;

2. The vehicle muffler exhaust device according to claim 1, wherein the direction-changing pipe is open at one end, the inner cavity thereof is divided into two independent cavities by a partition plate, a first exhaust hole is provided in a cavity communicating with the open end, a second exhaust hole penetrating the cavity is provided in the other cavity thereof, and the driving device drives the direction-changing pipe to move so as to communicate and seal the corresponding cavity with the tail pipe.

3. The vehicle muffler exhaust device according to claim 2, wherein the tail pipe is provided with a mounting hole penetrating the tail pipe, the direction-changing pipe is slidably mounted in the mounting hole, and an outer wall of the direction-changing pipe and the tail pipe are sealed with each other.

4. The vehicle muffler exhaust device according to claim 1, wherein the driving device includes a telescopic rod, both ends of which are coupled to the direction-changing pipe and the tail pipe, respectively.

5. The vehicle muffler exhaust device according to claim 1, wherein the tail pipe further includes a plurality of lockups, the muffler and the tail pipe being coupled by the lockups.

6. The vehicle muffler exhaust device according to claim 5, wherein the locking device includes a first mounting member provided on the muffler or the tail pipe, a second mounting member provided on the tail pipe or the muffler, and a locking member mounted on a side of the first mounting member facing the second mounting member, the second mounting member being provided with a fixing groove in which the locking member is inserted and locked.

7. The vehicle muffler exhaust apparatus according to claim 6, wherein the locking element includes a projection and a resilient fixing element, the resilient fixing element is mounted on the projection, the fixing groove is provided with a fixing hole, and when the locking element is inserted into the fixing groove, a movable end of the resilient fixing element passes through the fixing hole.

8. The vehicle muffler exhaust device according to claim 7, wherein the elastic fixing member includes a receiving cavity, an elastic restoring means installed in the receiving cavity, and a fixing rod having one end installed in the receiving wall against the elastic restoring means and the other end penetrating the receiving cavity.

9. The vehicle muffler exhaust device according to any one of claims 1 to 8, wherein the tail pipe further includes a gasket, and the gasket is mounted between the muffler and the tail pipe.

10. The vehicle muffler exhaust device according to claim 9, wherein the tail pipe further includes an extension pipe mounted at an end of the tail pipe remote from the muffler.