CN219711635U

CN219711635U - Exhaust tail pipe capable of preventing water from entering after treatment

Info

Publication number: CN219711635U
Application number: CN202320821673.8U
Authority: CN
Inventors: 王泽龙; 卢平; 张长城; 付朋; 杨玉国
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-09-19
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses an exhaust tail pipe for preventing water inflow after post treatment, which relates to the technical field of vehicles and comprises an inner pipe and an outer pipe sleeved on the outer side of the inner pipe, wherein the inner pipe is rotationally connected with the outer pipe through a rotating device, an upper exhaust port of the outer pipe is provided with a lateral opening, the top of the outer pipe is provided with an air guide device, and the bottom of the outer pipe is provided with a drainage device. The upper exhaust port of the outer pipe is provided with a lateral opening, so that rainwater is prevented from falling into the exhaust pipe vertically; through set up wind guiding device at the top of outer tube, and rotate between outer tube and the inner tube and be connected, in the weather of raining and blowing, wind guiding device drives the outer tube under the effect of wind and rotates, prevents that the last gas vent from being in the face of facing the wind, and the wind blows in the rainwater gets into the blast pipe, double-deck protection prevents that the blast pipe from intaking.

Description

Exhaust tail pipe capable of preventing water from entering after treatment

Technical Field

The utility model belongs to the technical field of non-road machinery, and particularly relates to an exhaust tail pipe for preventing post-treatment water inflow.

Background

The doc+dpf+scr route is commonly adopted for non-road machinery, and the route aftertreatment has noble metal carriers and catalysts, and the value is high. The non-road machinery works outdoors, and most of the non-road machinery is parked outdoors when not in operation; in addition, most of tail pipes adopted by non-road equipment are vertical upwards, most of tail pipe openings at present are side exhaust or upwards exhaust, a side exhaust structure cannot avoid rainwater from entering, the fault rate of rain caps in the upwards exhaust structure is high, and the problem that precious metals and carriers in post-treatment are damaged after rainwater enters can not be fundamentally solved.

Disclosure of Invention

The utility model provides a tail pipe for preventing water inflow in post-treatment, which is used for preventing the problem that noble metals and carriers are damaged in the post-treatment of rainwater entering the tail pipe.

In order to achieve the above purpose, the utility model provides an exhaust tail pipe for preventing water inflow after post-treatment, which comprises an inner pipe and an outer pipe sleeved on the outer side of the inner pipe, wherein the inner pipe is rotationally connected with the outer pipe through a rotating device, an upper exhaust port of the outer pipe is provided with a lateral opening, the top of the outer pipe is provided with an air guide device, and the bottom of the outer pipe is provided with a drainage device.

According to the utility model, the upper exhaust port of the outer pipe is provided with the lateral opening, so that rainwater is prevented from falling into the exhaust pipe vertically; through set up wind guiding device at the top of outer tube, and rotate between outer tube and the inner tube and be connected, in the weather of raining and blowing, wind guiding device drives the outer tube under the effect of wind and rotates, prevents that the last gas vent from being in the face of facing the wind, and the wind blows in the rainwater gets into the blast pipe, double-deck protection prevents that the blast pipe from intaking.

In a preferred implementation of the tail pipe for preventing water inflow from post-treatment, the outer pipe comprises a bent pipe section, a lateral exhaust port is formed above the bent pipe section, a contraction section is arranged below the bent pipe section, and a fixing section is arranged below the contraction section.

The problem that precious metals and carriers in post-treatment are damaged due to the fact that rainwater enters a large amount of the traditional straight pipe type exhaust pipe is solved by arranging the bent pipe section; the rainwater falling into the outer pipe is guided by arranging the contraction pipe section, so that the rainwater smoothly flows to the drainage device to be drained; the outer tube and the inner tube are connected through the fixed section, a rotating device, preferably a bearing, is arranged between the fixed section and the inner tube, and the outer tube and the inner tube are connected in a rotating mode.

In a preferred implementation of the tail pipe for preventing post-treatment of water intake, the inner pipe is a vertical pipe, the upper end opening of the inner pipe is located in the curved pipe section, and the upper end opening of the inner pipe is not overlapped with the projection of the upper exhaust port of the outer pipe in the horizontal direction.

The upper end opening of the inner pipe is positioned in the bent pipe section, and the projection of the upper end opening of the inner pipe and the projection of the upper exhaust port of the outer pipe in the horizontal direction are not overlapped, so that the shielding effect of the outer pipe on the upper end opening of the inner pipe is realized, and rainwater is prevented from entering the inner pipe.

In a preferred implementation of the tailpipe preventing aftertreatment of the inlet water, the rotation means is fixed between the fixed section and the inner pipe.

Further, the rotating device is a bearing.

Further, the upper end of the bearing is provided with a sealing cover.

The bearing is arranged between the fixed section and the inner tube, so that the outer tube and the inner tube are rotationally connected; through setting up sealed lid in the upper end of bearing, prevent to get into the rainwater in the outer tube and corrode the bearing, influence the life of bearing.

In a preferred implementation of the tailpipe for preventing post-treatment of water intake, the drain includes a plurality of drain holes provided at the bottom of the outer pipe.

Through setting up a plurality of wash ports in the bottom of outer tube, realize discharging the rainwater that gets into the outer tube, prevent that rainwater accumulation too much from getting into the inner tube and causing the damage to noble metal and the carrier in the aftertreatment.

In a preferred implementation of the tail pipe for preventing the post-treatment of the intake water, the air guiding device is of a plate-like structure and is vertically fixed on the top of the outer pipe.

By arranging the wind guide device, when wind blows and rains, the wind blows the wind guide device to drive the outer pipe to rotate, so that the upper exhaust port of the outer pipe is prevented from being positioned on the windward side. If the upper exhaust port is positioned on the windward side, the wind drives a large amount of rainwater to enter through the upper exhaust port, and the waterproof effect of the exhaust pipe is affected.

In a preferred implementation of the tailpipe for preventing post-treatment of intake water, the air guiding means comprises a first air guiding plate and a second air guiding plate.

Further, the first air deflector and the second air deflector are arranged on two sides of the upper exhaust port, and the first air deflector, the second air deflector and the upper exhaust port are arranged in parallel.

Through set up first aviation baffle and second aviation baffle in the both sides of the last gas vent of outer tube, when the weather of blowing rain appears, thereby can prevent to go up the gas vent and be in the face of facing the wind according to wind direction adjustment outer tube rotation, prevent that the rainwater from getting into from last gas vent under the drive of wind.

Drawings

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

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of an outer tube according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an air guiding device according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of an air guiding device according to another embodiment of the present utility model.

Reference numerals illustrate:

1. an inner tube; 2. the outer tube, 21, the fixed section, 22, the contracted section, 23, the bent section, 24 and the upper exhaust port; 3. rotating device, 31. Seal cover; 4. a drainage device; 5. the air guiding device comprises an air guiding device 51, a first air guiding plate 52 and a second air guiding plate.

The specific embodiment is as follows:

in order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In addition, in the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 4, the utility model provides an exhaust tail pipe for preventing water inflow after post-treatment, which comprises an inner pipe 1 and an outer pipe 2 sleeved outside the inner pipe 1, wherein the inner pipe 1 is rotationally connected with the outer pipe 2 through a rotating device 3, an upper exhaust port 24 of the outer pipe 2 is provided with a lateral opening, an air guide device 5 is arranged at the top of the outer pipe 2, and a water drainage device 4 is arranged at the bottom of the outer pipe 2.

The utility model prevents rainwater from falling vertically into the exhaust pipe by arranging the upper exhaust port 24 of the outer pipe 2 to be laterally opened; through set up wind guiding device 5 at the top of outer tube 2, and rotate between outer tube 2 and the inner tube 1 and be connected, in the weather of raining and blowing, wind guiding device 5 drives outer tube 2 and rotates under the effect of wind, prevents that upper exhaust port 24 from being in the face of facing the wind, and the wind blows the rainwater and gets into in the blast pipe, double-deck protection prevents that the blast pipe from intaking.

As a preferred embodiment of the present utility model, the outer tube 2 includes a bent tube section 23, a lateral exhaust port is formed above the bent tube section 23, a contraction section 22 is formed below the bent tube section 23, and a fixing section 21 is formed below the contraction section 22.

The problem that the precious metal and the carrier are damaged in the post-treatment is solved by arranging the bent pipe section 23 so that a large amount of rainwater enters the traditional straight pipe type exhaust pipe; the rainwater falling into the outer pipe 2 is guided by arranging the contraction pipe section, so that the rainwater smoothly flows to the drainage device 4 to be drained; the outer tube 2 is connected to the inner tube 1 by means of the fixing section 21, and a rotation device 3, preferably a bearing, is arranged between the fixing section 21 and the inner tube 1, so that the outer tube 2 is connected to the inner tube 1 in a rotation manner.

As a preferred embodiment of the present utility model, the inner tube 1 is a vertical tube, the upper end opening of the inner tube 1 is located in the bent tube section 23, and the upper end opening of the inner tube 1 is not overlapped with the projection of the upper exhaust port 24 of the outer tube 2 in the horizontal direction.

Through setting up the upper end opening of inner tube 1 and being located in the bend section 23, just the upper end opening of inner tube 1 with the projection of the last gas vent 24 of outer tube 2 in the horizontal direction does not overlap, realizes the shielding effect of outer tube 2 to inner tube 1 upper end open-ended, prevents that the rainwater from getting into inner tube 1.

As a preferred embodiment of the utility model, the rotation device 3 is fixed between the fixed section 21 and the inner tube 1.

Further, the rotating device 3 is a bearing.

Further, a seal cover 31 is provided at the upper end of the bearing.

The outer tube 2 is rotatably connected with the inner tube 1 by arranging a bearing between the fixed section 21 and the inner tube 1; by arranging the sealing cover 31 at the upper end of the bearing, rainwater entering the outer tube 2 is prevented from eroding the bearing, and the service life of the bearing is prevented from being influenced.

The present utility model is not limited to the specific structure and position of the drain device 4, and as a preferred embodiment of the present utility model, the drain device 4 includes a plurality of drain holes provided at the bottom of the outer tube 2.

Through setting up a plurality of wash ports in the bottom of outer tube 2, realize discharging the rainwater that gets into outer tube 2, prevent that rainwater accumulation too much from getting into inner tube 1 and causing the damage to noble metal and the carrier in the aftertreatment.

It should be noted that, the specific structure and the fixing manner of the wind scooper are not specifically limited, and the wind scooper may be any one of the following embodiments:

example 1:

as shown in fig. 3, the air guiding device 5 has a plate structure, and the air guiding device 5 is vertically fixed on the top of the outer tube 2.

By arranging the wind guide device 5, when wind blows and rains, the wind blows the wind guide device 5 to drive the outer pipe 2 to rotate, so that the upper exhaust port 24 of the outer pipe 2 is prevented from being on the windward side. If the upper exhaust port 24 is on the windward side, the wind drives a large amount of rainwater to enter through the upper exhaust port 24, and the waterproof effect of the exhaust pipe is affected.

Example 2:

as shown in fig. 4, the air guiding device 5 includes a first air guiding plate 51 and a second air guiding plate 52.

Further, the first air deflector 51 and the second air deflector 52 are disposed on both sides of the upper exhaust port 24, and the first air deflector 51 and the second air deflector 52 are disposed parallel to the upper exhaust port 24.

By arranging the first air deflector 51 and the second air deflector 52 on both sides of the upper air outlet 24 of the outer tube 2, when the weather of wind and rain is blown, the outer tube 2 can be adjusted to rotate according to the wind direction, so that the upper air outlet 24 is prevented from being on the windward side, and rainwater is prevented from entering from the upper air outlet 24 under the drive of wind.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a prevent post-treatment and advance tail pipe of water, its characterized in that includes the inner tube and overlaps the outer tube in the inner tube outside, the inner tube with the outer tube passes through rotating device and rotates to be connected, the last gas vent of outer tube is the side direction opening, the top of outer tube sets up air ducting, the bottom of outer tube is equipped with drainage device.

2. A tailpipe for preventing post-treatment of water inflow according to claim 1, wherein the outer pipe comprises a bent pipe section, a lateral exhaust port is provided above the bent pipe section, a contraction section is provided below the bent pipe section, and a fixing section is provided below the contraction section.

3. A tailpipe for preventing post-treatment of water as defined in claim 2, wherein said inner pipe is a vertical pipe, an upper end opening of said inner pipe is located in said curved pipe section, and an upper end opening of said inner pipe is non-overlapping with a projection of an upper exhaust port of said outer pipe in a horizontal direction.

4. A tailpipe for preventing post-treatment intake according to claim 2, wherein said rotating means is fixed between said fixed section and said inner pipe.

5. A tailpipe for preventing post-treatment intake according to claim 4, wherein said rotating means is a bearing.

6. A tailpipe for preventing post-treatment water inflow according to claim 5, wherein a seal cover is provided at an upper end of the bearing.

7. A tailpipe for preventing post-treatment intake according to claim 1, wherein said drain means includes a plurality of drain holes provided at a bottom of said outer pipe.

8. A tailpipe for preventing post-treatment water inflow according to claim 1, wherein the wind guiding means is of a plate-like structure, and is vertically fixed to the top of the outer pipe.

9. A tailpipe for preventing post-treatment intake according to claim 1, wherein the air guiding means comprises a first air guiding plate and a second air guiding plate.

10. The tail pipe for preventing post-treatment water inflow according to claim 9, wherein the first air deflector and the second air deflector are disposed on both sides of the upper exhaust port, and the first air deflector and the second air deflector are disposed in parallel with the upper exhaust port.