CN213510945U

CN213510945U - Vertical structure of EGR valve of diesel engine

Info

Publication number: CN213510945U
Application number: CN202022533261.3U
Authority: CN
Inventors: 韩志豪
Original assignee: Ruian Keyi Automobile Parts Co ltd
Current assignee: Ruian Keyi Automobile Parts Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-22
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a vertical structure of diesel engine EGR valve, belong to EGR valve field, which comprises an engine, the one end of engine is provided with the intake pipe, the one end of intake pipe is provided with the connecting pipe, engine one end is provided with the valve frame, the valve frame is connected through the bolt with the engine, fixedly connected with EGR valve in the valve frame, the one end of EGR valve is provided with the go-between, the go-between aligns with the connecting pipe, this vertical structure of diesel engine EGR valve sets up the EGR valve between engine and intake pipe, make whole engine and EGR valve area less, occupation space is also less, the car of the different models of ability adaptation, this vertical structure of diesel engine EGR valve installs through modes such as screw and bolt again, this kind of mounting means is simple, and firm, be convenient for dismantle it with it and change or overhaul, do benefit to the use.

Description

Vertical structure of EGR valve of diesel engine

Technical Field

The utility model relates to a EGR valve field, more specifically say, relate to a vertical structure of diesel engine EGR valve.

Background

An EGR valve is an electromechanical integrated product mounted on a diesel engine for controlling the amount of exhaust gas recirculation fed back to an intake system, and is usually located on the right side of an intake manifold, near a throttle body, to which a short metal pipe leading to an exhaust manifold is connected, and functions to control the amount of exhaust gas entering the intake manifold so that a certain amount of exhaust gas flows into the intake manifold for recirculation, and is a very important and critical component in an exhaust gas recirculation device.

At present, some diesel engine EGR valve vertical structures that exist on the market install the EGR valve in the top of engine, and this kind of position setting leads to engine and EGR valve area great, and occupation space is also great, is difficult to the less car of adaptation model, and some diesel engine EGR valve vertical structures in addition are direct fixes the EGR valve through the welded mode, lead to being difficult to overhaul or change its dismantlement, are unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a vertical structure of diesel engine EGR valve, it sets up the EGR valve between engine and intake pipe for whole engine and EGR valve area are less, occupation space is also less, the car of the different models of ability adaptation, this vertical structure of diesel engine EGR valve installs through modes such as screw and bolt again, this kind of mounting means is simple, and firm, be convenient for dismantle it and change or overhaul, do benefit to the use.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a vertical structure of diesel engine EGR valve, includes the engine, the one end of engine is provided with the intake pipe, the one end of intake pipe is provided with the connecting pipe, engine one end is provided with the valve frame, the valve frame is connected through the bolt with the engine, fixedly connected with EGR valve in the valve frame, the one end of EGR valve is provided with the go-between, the go-between aligns with the connecting pipe, and this vertical structure of diesel engine EGR valve sets up the EGR valve between engine and intake pipe for whole engine and EGR valve area are less, and occupation space is also less, can adapt to the car of the different models, and this vertical structure of diesel engine EGR valve is installed through modes such as screw and bolt again, and this kind of mounting means is simple, and stabilizes, is convenient for dismantle it with it and change or overhaul, does benefit to the use.

Furthermore, the EGR valve is arranged between the engine and the air inlet pipe, the EGR valve has the function of controlling the amount of exhaust gas entering the air inlet pipe, so that a certain amount of exhaust gas flows into the air inlet pipe for recirculation, and the area of the whole engine is smaller through the arrangement of the position of the EGR valve, so that the EGR valve is suitable for automobiles with different models.

Furthermore, the outer surface of the connecting ring is provided with a sealing ring, the lower end of the sealing ring is sleeved on the outer surface of the connecting pipe in a sliding mode, the sealing ring has a good sealing effect, and the sealing ring has the effect of sealing a gap at the connecting position of the connecting ring and the connecting pipe.

Further, sliding connection has the screw in go-between and the connecting pipe, there is the screw cap upper end surface of screw through threaded connection, through the threaded connection of screw cap and screw, has the effect with the intake-tube connection of EGR valve and engine to make the EGR valve can control the waste gas volume that gets into the intake pipe, make a certain amount of waste gas flow in the intake pipe and carry out recirculation.

Further, the gasket is sleeved on the outer surface of the upper end of the screw in a sliding mode, the area of the gasket is larger than that of the screw cap, the gasket is arranged, the sealing ring is protected from being abraded by the screw cap, the screw cap is fastened, and the screw cap cannot loosen and break away from the screw.

Compared with the prior art, the utility model has the advantages of:

(1) this kind of mounting means is simple, and is firm, is convenient for dismantle it and change or overhaul, does benefit to the use.

(2) The EGR valve is arranged between the engine and the air inlet pipe, the EGR valve has the function of controlling the amount of exhaust gas entering the air inlet pipe, so that a certain amount of exhaust gas flows into the air inlet pipe for recirculation, and the area of the whole engine is smaller through the arrangement of the position of the EGR valve, so that the EGR valve is suitable for automobiles with different models.

(3) The outer surface of go-between is provided with the sealing washer, and the lower extreme of sealing washer slides and cup joints the outward appearance at the connecting pipe, and the sealing washer has good sealed effect, through the setting of sealing washer, has the effect with the gap seal of go-between and connecting pipe junction.

(4) Sliding connection has the screw in go-between and the connecting pipe, and there is the screw cap upper end surface of screw through threaded connection, through the threaded connection of screw cap and screw, has the effect with the intake-tube connection of EGR valve and engine to make the EGR valve can control the waste gas volume that gets into the intake pipe, make a certain amount of waste gas flow in intake pipe and carry out recirculation.

(5) The gasket is sleeved on the outer surface of the upper end of the screw in a sliding mode, the area of the gasket is larger than that of the screw cap, the gasket is arranged, the effect that the sealing ring is not abraded by the screw cap is achieved, the effect that the screw cap is fastened is achieved, and the effect that the screw cap is loosened and separated cannot occur.

Drawings

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

FIG. 2 is a schematic view of the valve frame connection of the present invention;

FIG. 3 is a partial schematic view of the EGR valve connection of the present invention;

fig. 4 is an enlarged view of fig. 3 at a.

The reference numbers in the figures illustrate:

the engine comprises an engine 1, an air inlet pipe 2, a connecting pipe 3, a valve frame 4, a bolt 5, an EGR valve 6, a connecting ring 7, a sealing ring 8, a screw 9, a gasket 10 and a screw cap 11.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a vertical structure of an EGR valve of a diesel engine includes an engine 1, referring to fig. 1-4, an intake pipe 2 is disposed at one end of the engine 1, a connecting pipe 3 is disposed at one end of the intake pipe 2, a valve frame 4 is disposed at one end of the engine 1, the valve frame 4 has an EGR valve 6 mounting and fixing function, the valve frame 4 is connected with the engine 1 through a bolt 5, the EGR valve 6 is fixedly connected in the valve frame 4, a connecting ring 7 is disposed at one end of the EGR valve 6, and the connecting ring 7 is aligned with the connecting pipe 3.

Referring to fig. 1, 2 and 4, the EGR valve 6 is disposed between the engine 1 and the intake pipe 2, the EGR valve 6 controls the amount of exhaust gas entering the intake pipe 2, so that a certain amount of exhaust gas flows into the intake pipe 2 for recirculation, and the EGR valve 6 is disposed to reduce the area of the whole engine 1 and the EGR valve 6, so as to be suitable for automobiles of different models, the outer surface of the connection ring 7 is provided with the sealing ring 8, the lower end of the sealing ring 8 is slidably sleeved on the outer surface of the connection pipe 3, the sealing ring 8 has a good sealing function, and the sealing ring 8 has a function of sealing a gap at the connection position of the connection ring 7 and the connection pipe 3.

Please refer to fig. 4, a screw 9 is slidably connected in the connection ring 7 and the connection pipe 3, a screw cap 11 is connected to the outer surface of the upper end of the screw 9 through a screw thread, the screw cap 11 is connected to the screw thread of the screw 9, which has an effect of connecting the EGR valve 6 with the intake pipe 2 of the engine 1, so that the EGR valve 6 can control the amount of exhaust gas entering the intake pipe 2, so that a certain amount of exhaust gas flows into the intake pipe 2 for recirculation, a gasket 10 is slidably sleeved on the outer surface of the upper end of the screw 9, the area of the gasket 10 is larger than that of the screw cap 11, by the arrangement of the gasket 10, not only has an effect of protecting the seal ring 8 from being worn by the screw cap 11, but also has an effect of fastening the screw cap 11, so.

When the diesel engine EGR valve vertical structure is used, the EGR valve 6 is firstly connected with the valve frame 4, then the connecting ring 7 arranged on the EGR valve 6 is aligned with the connecting pipe 3 arranged on the air inlet pipe 2, at the moment, the sealing ring 8 arranged on the outer surface of the connecting ring 7 is sleeved on the outer surface of the connecting pipe 3, then the screw 9 penetrates through the connecting ring 7 and the connecting pipe 3, then the gasket 11 is sleeved on the outer surface of the screw 9 in a sliding manner, finally the screw cap 11 rotates clockwise to be fixed with the screw 9, the connecting ring 7 of the EGR valve 6 is connected with the connecting pipe 3 of the air inlet pipe 2 through the threaded connection between the screw 9 and the screw cap 11, then the valve frame 4 is fixed on the engine 1 through the bolt 5, thereby the EGR valve 6 can be stably fixed, after the installation is completed, the EGR valve 6 can control the amount of exhaust gas entering the air inlet pipe 2, a certain amount of exhaust gas is caused to flow into the intake pipe 2 for recirculation.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a vertical structure of diesel engine EGR valve, includes engine (1), its characterized in that, the one end of engine (1) is provided with intake pipe (2), the one end of intake pipe (2) is provided with connecting pipe (3), engine (1) one end is provided with valve frame (4), valve frame (4) are connected through bolt (5) with engine (1), fixedly connected with EGR valve (6) in valve frame (4), the one end of EGR valve (6) is provided with go-between (7), go-between (7) align with connecting pipe (3).

2. The vertical structure of an EGR valve for a diesel engine according to claim 1, wherein: the EGR valve (6) is disposed between the engine (1) and the intake pipe (2).

3. The vertical structure of an EGR valve for a diesel engine according to claim 1, wherein: the outer surface of the connecting ring (7) is provided with a sealing ring (8), and the lower end of the sealing ring (8) is sleeved on the outer surface of the connecting pipe (3) in a sliding mode.

4. The vertical structure of an EGR valve for a diesel engine according to claim 1, wherein: the connecting ring (7) and the connecting pipe (3) are connected with screws (9) in a sliding mode, and the outer surface of the upper end of each screw (9) is connected with a screw cap (11) through threads.

5. The vertical structure of an EGR valve for a diesel engine according to claim 4, wherein: the outer surface of the upper end of the screw (9) is sleeved with a gasket (10) in a sliding mode, and the area of the gasket (10) is larger than that of the screw cap (11).