CN216617645U

CN216617645U - Exhaust pipe with waterproof function

Info

Publication number: CN216617645U
Application number: CN202123007170.7U
Authority: CN
Inventors: 丁艳飞
Original assignee: Kaisiying Precision Technology Suzhou Co ltd
Current assignee: Kaisiying Precision Technology Suzhou Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-27
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to the technical field of automobile parts, in particular to an exhaust pipe with a waterproof function, which comprises an air inlet pipe and a silencer, wherein the air inlet pipe is communicated with the silencer, the other end of the silencer is communicated with a main exhaust pipe in a sealing manner, the other end of the main exhaust pipe is connected with a waterproof pipe, a partition plate is arranged in an inner cavity of the waterproof pipe, the waterproof pipe is divided into a front end cavity and a rear end cavity by the partition plate, a return spring connected with the partition plate is arranged in the front end cavity, and a stop block is fixedly connected to the other end of the return spring. According to the utility model, after the variable valve in the main exhaust pipe is closed, the stop block can block the air inlet cover opening under the condition that the stop block is not subjected to the pressure of tail gas after the variable valve in the main exhaust pipe is closed, so that the effect of preventing water from entering the main exhaust pipe is achieved, the waterproof effect is further enhanced on the basis of closing the variable valve, and the economic loss of vehicle damage to a vehicle owner is effectively reduced.

Description

Exhaust pipe with waterproof function

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an exhaust pipe with a waterproof function.

Background

Automobile exhaust pipe is one of the main component parts of car, and it is mainly to the tail gas of car discharge, and face rainy season precipitation more, and when the road surface takes place ponding easily, the going of car causes ponding very easily to get into inside the car from automobile exhaust pipe to lead to the problem that the car damaged to appear, greatly reduced the life of car, bring economic loss for the owner of car.

Through retrieval, a large number of patents have been published on the waterproof of the exhaust pipe, such as the Chinese patent publication number: CN204419328U, a prevent into water automobile exhaust blast pipe, this patent application discloses a prevent into water automobile exhaust blast pipe, including draw together muffler, main exhaust pipe, vice blast pipe, variable valve, vice blast pipe is connected with main exhaust pipe, and the gas vent of vice blast pipe is higher than the gas vent of main exhaust pipe, all installs variable valve on main exhaust pipe and vice blast pipe, above-mentioned patent and through the driver with the variable valve of main exhaust pipe close, open the variable valve on the vice blast pipe simultaneously, can realize the waterproof function of blast pipe. The scheme does not lose good exploration on the waterproof function of the drain pipe, but the closing waterproof effect of the single variable valve is not particularly obvious, and the problem of water permeation easily exists.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

an exhaust pipe with a waterproof function comprises an air inlet pipe and a silencer, wherein the air inlet pipe is communicated with the silencer, the other end of the silencer is communicated with a main exhaust pipe in a sealing mode, the other end of the main exhaust pipe is connected with a waterproof pipe, a partition plate is arranged in an inner cavity of the waterproof pipe and divides the waterproof pipe into a front end cavity and a rear end cavity, a reset spring connected with the partition plate is arranged in the front end cavity, a stop block is fixedly connected with the other end of the reset spring, an air inlet cover opening is formed in one end of the front end cavity and is adaptive to the stop block, a communication pipe is communicated between the front end cavity and the rear end cavity, one end of the rear end cavity is connected with a first exhaust pipe, a collecting groove is communicated with the inner bottom of the rear end cavity in a sealing mode, an electromagnetic valve is fixedly installed at the rear end portion of the collecting groove, and an auxiliary exhaust pipe is communicated with the outer wall of the main exhaust pipe in a sealing mode, and the inner cavities of the auxiliary exhaust pipe and the main exhaust pipe are respectively provided with a variable valve, and the other end of the auxiliary exhaust pipe is connected with a second exhaust funnel.

The present invention in a preferred example may be further configured to: one end of the main exhaust pipe is fixedly connected with a first flange, one end of the first exhaust pipe is fixedly connected with a second flange, two ends of the waterproof pipe are respectively fixedly connected with a connecting flange plate, and the two connecting flange plates are respectively fixedly connected with the first flange and the second flange.

The present invention in a preferred example may be further configured to: the connecting flange disc at the front end cavity is connected to the first flange, and the connecting flange disc at the rear end cavity is connected to the second flange.

The present invention in a preferred example may be further configured to: the main exhaust pipe is provided with an inclined section, and the variable valve on the main exhaust pipe is arranged at the inclined section.

The present invention in a preferred example may be further configured to: one end of the front end cavity is a through hole which is gradually reduced from outside to inside, and the through hole is communicated with one end of the air inlet cover opening.

The present invention in a preferred example may be further configured to: the bottom of collecting vat is the down-slope formula setting, just the inclination of collecting vat bottom is 5 to the cross section of collecting vat bottom is arc.

The present invention in a preferred example may be further configured to: and the exhaust port of the second exhaust cylinder is higher than the exhaust port of the first exhaust cylinder and is in different direction from the exhaust port of the first exhaust cylinder.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, after the variable valve in the main exhaust pipe is closed, the stop block can block the air inlet cover opening under the condition that the stop block is not subjected to the pressure of tail gas after the variable valve in the main exhaust pipe is closed, so that the effect of preventing water from entering the main exhaust pipe is achieved, the waterproof effect is further enhanced on the basis of closing the variable valve, and the economic loss of vehicle damage to a vehicle owner is effectively reduced.

In the utility model, the exhaust pipe II is higher than the exhaust pipe I, so that when the variable valve in the main exhaust pipe is closed, the variable valve in the auxiliary exhaust pipe is synchronously opened, thereby preventing water, ensuring the normal running of a vehicle and avoiding the problem of damage caused by the vehicle staying in water.

According to the utility model, the rear end cavity and the collecting tank are mutually communicated, so that water can preferentially flow into the collecting tank after entering the rear end cavity, the rising of the water level is buffered, the waterproofness of the waterproof pipe is improved, meanwhile, after the water accumulation part is located, the opening of the electromagnetic valve is convenient for the drainage of the accumulated water, the waterproof pipe and the collecting tank are ensured not to have water, and the work of the main exhaust pipe is convenient, so that the practicability of the utility model is ensured when in use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is an enlarged schematic view of the structure at B of the present invention.

Reference numerals:

1. an air inlet pipe; 2. a muffler; 3. a main exhaust pipe; 4. a waterproof pipe; 5. a partition plate; 6. a return spring; 7. a stopper; 8. an air inlet cover opening; 9. a communicating pipe; 10. a first exhaust funnel; 11. collecting tank; 12. an electromagnetic valve; 13. a secondary exhaust pipe; 14. a variable valve; 15. a second exhaust funnel; 16. a first flange; 17. a second flange; 18. and connecting the flange plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

An exhaust pipe having a waterproof function according to some embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a water-proof exhaust pipe, which comprises an intake pipe 1 and a muffler 2, wherein the intake pipe 1 is communicated with the muffler 2, the other end of the muffler 2 is hermetically communicated with a main exhaust pipe 3, the other end of the main exhaust pipe 3 is connected with a water-proof pipe 4, an inner cavity of the water-proof pipe 4 is provided with a partition plate 5, the partition plate 5 divides the water-proof pipe 4 into a front end cavity and a rear end cavity, a return spring 6 connected to the partition plate 5 is arranged in the front end cavity, the other end of the return spring 6 is fixedly connected with a stop block 7, one end of the front end cavity is provided with an intake cover opening 8, the intake cover opening 8 is adapted to the stop block 7, the front end cavity and the rear end cavity are communicated with a communication pipe 9, one end of the rear end cavity is connected with an exhaust pipe 10, the inner bottom of the rear end cavity is hermetically communicated with a collecting tank 11, the rear end of the collecting tank 11 is fixedly provided with an electromagnetic valve 12, the outer wall of the main exhaust pipe 3 is communicated with an auxiliary exhaust pipe 13 in a sealing mode, variable valves 14 are arranged in inner cavities of the auxiliary exhaust pipe 13 and the main exhaust pipe 3 respectively, the other end of the auxiliary exhaust pipe 13 is connected with a second exhaust funnel 15, an exhaust port of the second exhaust funnel 15 is higher than an exhaust port of the first exhaust funnel 10 and is different from the exhaust port of the first exhaust funnel 10 in direction, the second exhaust funnel 15 can be arranged right above a rear wheel, exhaust work of the auxiliary exhaust pipe 13 when the main exhaust pipe 3 is closed is achieved, and the problem that water cannot run when the first exhaust funnel 10 is filled into a vehicle is avoided.

Specifically, when water enters the waterproof pipe 4, the waterproof pipe 4 is communicated with the collecting tank 11, so that the water can preferentially enter the collecting tank 11, and then the water flows out of the collecting tank 11 along with the opening of the electromagnetic valve 12, so that the waterproof pipe 4 and the collecting tank 11 are ensured not to store water, and the work of the main exhaust pipe 3 is facilitated, and the practicability of the water-saving water dispenser is ensured.

In this embodiment, one end of the main exhaust pipe 3 is fixedly connected with a first flange 16, one end of the first exhaust pipe 10 is fixedly connected with a second flange 17, two ends of the waterproof pipe 4 are respectively and fixedly connected with a first connecting flange 18, the two connecting flanges 18 are respectively and fixedly connected with the first flange 16 and the second flange 17, the connecting flange 18 at the front end cavity is connected with the first flange 16, and the connecting flange 18 at the rear end cavity is connected with the second flange 17.

Specifically, the first flange 16 and the second flange 17 are respectively connected with the first connecting flange 18 through welding or bolt connection, so that the exhaust pipe can be additionally provided with the waterproof pipe 4 according to the requirement of a vehicle owner, unnecessary fund waste of the vehicle owner is properly reduced, a sealing gasket is additionally arranged between the flanges during bolt connection, the sealing connection between the main exhaust pipe 3 and the waterproof pipe 4 is ensured, the exhaust work of the exhaust pipe is facilitated, and meanwhile, the first connecting flange 18 at the front end cavity is connected with the first flange 16, so that water can be prevented from entering the main exhaust pipe 3.

More specifically, when the vehicle runs normally, the variable valve 14 in the auxiliary exhaust pipe 13 is in a closed state, so that when automobile exhaust flows into the waterproof pipe 4 in the main exhaust pipe 3, the stopper 7 can move out of the inlet hood opening 8 under the action of the pressure of the exhaust, and the exhaust can flow to the first exhaust pipe 10 through the communicating pipe 9; on the contrary, when excessive water resources enter from the first exhaust pipe 10, the vehicle owner closes the variable valve 14 in the main exhaust pipe 3 by using the computer control system of the vehicle body, and synchronously opens the variable valve 14 in the auxiliary exhaust pipe 13, so that the stop 7 can block the air inlet cover opening 8 by means of the acting force of the return spring 6 under the condition that the stop 7 is not under the pressure of the exhaust gas after the variable valve 14 in the main exhaust pipe 3 is closed, thereby preventing water from entering the main exhaust pipe 3.

In the embodiment, the main exhaust pipe 3 is provided with an inclined section, and the variable valve 14 on the main exhaust pipe 3 is arranged at the inclined section, specifically, the design of the inclined section enables the utility model to have a further waterproof effect and improve the practicability.

More specifically, if part of water slowly permeates through the air inlet cover opening 8, the design of the inclined section makes the water rise in the main exhaust pipe 3 with certain difficulty, and then the problem that the water enters the automobile exhaust pipe to cause water inlet of the engine is effectively reduced by plugging the variable valve 14, so that the damage of the automobile is avoided.

In this embodiment, one end of the front end cavity is a through hole gradually reduced from outside to inside, and the through hole is communicated with one end of the air inlet cover opening 8.

Specifically, the vent is gradually reduced, so that the pressure of the tail gas can be concentrated, the stop block 7 is moved out, and the exhaust work is realized by using the exhaust device.

In this embodiment, the bottom of collecting vat 11 is the declivity formula setting, and the inclination of collecting vat 11 bottom is 5 to the cross section of collecting vat 11 bottom is arc.

Specifically, utilize the bottom of collecting vat 11 to set up for the formula of inclining down, the liquid of being convenient for flows in collecting vat 11, discharges water collecting vat 11 fast, and the transversal arc-shaped effect that has the gathering of personally submitting in bottom guarantees that liquid gathers in the bottom of collecting vat 11 all the time.

The working principle and the using process of the utility model are as follows: when the vehicle normally runs, the variable valve 14 in the auxiliary exhaust pipe 13 is in a closed state, so that when automobile exhaust flows into the waterproof pipe 4 in the main exhaust pipe 3, the stop block 7 can move out of the air inlet cover opening 8 under the action of the pressure of the exhaust, and the exhaust can flow to the first exhaust cylinder 10 through the communication pipe 9; when the road is too deep in rainy season, the vehicle owner closes the variable valve 14 in the main exhaust pipe 3 by using the computer control system of the vehicle body, synchronously opens the variable valve 14 in the auxiliary exhaust pipe 13, and then the stop block 7 can block the air inlet cover opening 8 under the condition that the stop block 7 is not under the pressure of tail gas after the variable valve 14 in the main exhaust pipe 3 is closed, so that water can be prevented from entering the main exhaust pipe 3.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

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 utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides an exhaust pipe with waterproof function, includes intake pipe (1) and silencer (2), its characterized in that: the air inlet pipe (1) is communicated with the silencer (2), the other end of the silencer (2) is communicated with a main exhaust pipe (3) in a sealing mode, the other end of the main exhaust pipe (3) is connected with a waterproof pipe (4), a partition plate (5) is arranged in an inner cavity of the waterproof pipe (4), the waterproof pipe (4) is divided into a front end cavity and a rear end cavity by the partition plate (5), a reset spring (6) connected to the partition plate (5) is arranged inside the front end cavity, a stop block (7) is fixedly connected to the other end of the reset spring (6), an air inlet cover opening (8) is formed in one end of the front end cavity, the air inlet cover opening (8) is matched with the stop block (7), a communicating pipe (9) is communicated between the front end cavity and the rear end cavity, one end of the rear end cavity is connected with a first exhaust funnel (10), and a collecting groove (11) is communicated with the inner bottom of the rear end cavity in a sealing mode, the rear end part of the collecting tank (11) is fixedly provided with an electromagnetic valve (12), the outer wall of the main exhaust pipe (3) is communicated with an auxiliary exhaust pipe (13) in a sealing mode, inner cavities of the auxiliary exhaust pipe (13) and the main exhaust pipe (3) are respectively provided with a variable valve (14), and the other end of the auxiliary exhaust pipe (13) is connected with a second exhaust funnel (15).

2. The exhaust pipe with the waterproof function according to claim 1, wherein a first flange (16) is fixedly connected to one end of the main exhaust pipe (3), a second flange (17) is fixedly connected to one end of the first exhaust pipe (10), connecting flanges (18) are respectively and fixedly connected to two ends of the waterproof pipe (4), and the two connecting flanges (18) are respectively and fixedly connected to the first flange (16) and the second flange (17).

3. An exhaust pipe with waterproof function according to any one of claims 1 or 2, characterized in that the connecting flange (18) at the front end cavity is connected to the first flange (16), and the connecting flange (18) at the rear end cavity is connected to the second flange (17).

4. The exhaust pipe with waterproof function according to claim 1, wherein the main exhaust pipe (3) is provided with an inclined section, and the variable valve (14) on the main exhaust pipe (3) is provided at the inclined section.

5. The exhaust pipe with waterproof function according to claim 1, wherein one end of the front end cavity is a through hole which is gradually reduced from outside to inside, and the through hole is communicated with one end of the inlet cover opening (8).

6. The exhaust pipe with the waterproof function according to claim 1, wherein the bottom of the collecting groove (11) is arranged in a downward inclined manner, the inclination angle of the bottom of the collecting groove (11) is 5 °, and the cross section of the bottom of the collecting groove (11) is in a circular arc shape.

7. The exhaust pipe with waterproof function according to claim 1, wherein the exhaust port of the second exhaust pipe (15) is higher than the exhaust port of the first exhaust pipe (10) and is in a different direction from the exhaust port of the first exhaust pipe (10).