CN111486031A

CN111486031A - Efficient EGR valve

Info

Publication number: CN111486031A
Application number: CN202010521313.7A
Authority: CN
Inventors: 马克峰; 郑旭明
Original assignee: Anhui Tengda Automobile Technology Co ltd
Current assignee: Anhui Tengda Automobile Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-08-04

Abstract

The invention discloses an efficient EGR valve, which comprises a machine shell, wherein an air inlet channel is arranged in the machine shell, a shunting cavity is arranged on one side of the air inlet channel, a first connecting channel and a second connecting channel are respectively arranged on the shunting cavity, the first connecting channel is communicated with a first mixing cavity, the second connecting channel is communicated with a second mixing cavity, a baffle plate is arranged at the top of the inner wall of the shunting cavity in a rotating mode, the bottom of the baffle plate is connected with the inner wall of the cavity in a sliding mode, a placing groove is formed in the machine shell, an air cylinder is fixed in the placing groove, a connecting rod is fixed at the bottom valley bottom of the air cylinder, and the bottom end of the connecting rod penetrates through the placing groove and extends into the shunting cavity. This efficient EGR valve has solved current exhaust gas circulation valve and can not cross the volume according to exhaust gas content and increase the mixed air, greatly reduced exhaust gas circulation utilization's problem.

Description

Efficient EGR valve

Technical Field

The invention relates to the technical field of exhaust gas circulating valves, in particular to an EGR valve with high efficiency.

Background

In an EGR system, tail gas of an engine is divided into two parts, one part of tail gas provides power for a compressor through a turbine, the other part of tail gas enters the compressor through an EGR valve to be pressurized, then the tail gas is mixed with pressurized fresh air and enters each cylinder together, the whole set of system adopts the turbine to provide power for the two compressors, when the power of the engine is increased, the content of generated waste gas is increased, but the volume of the mixed air cannot be increased according to the content of the waste gas through the existing waste gas circulating valve, and the recycling rate of the waste gas is greatly reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the EGR valve with high efficiency, and solves the problems that the existing exhaust gas circulating valve cannot increase the volume of mixed air according to the content of exhaust gas, and the exhaust gas circulating utilization rate is greatly reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an efficient EGR valve, includes the casing, the inside of casing is provided with inlet channel, and one side of inlet channel is provided with the reposition of redundant personnel cavity, be provided with first connecting channel and second connecting channel on the reposition of redundant personnel cavity respectively, and first connecting channel intercommunication has first mixing chamber, second connecting channel intercommunication has the second mixing chamber.

Preferably, the baffle is rotated at the top of the inner wall of the shunting chamber, and the bottom of the baffle is in sliding connection with the inner wall of the chamber.

Preferably, be provided with the standing groove on the casing, and the inside of standing groove is fixed with the cylinder, and the bottom millet bottom of cylinder is fixed with the connecting rod, the bottom of connecting rod runs through the standing groove and extends to the inside of reposition of redundant personnel cavity, and the bottom of connecting rod rotates there is the axle piece.

Preferably, the surface of the baffle is provided with a sliding groove matched with the shaft block.

Preferably, the first mixing chamber and the second mixing chamber are both provided with air channels, and one side of each air channel is communicated with an air pipe.

Preferably, the first mixing chamber and the second mixing chamber are both provided with air outlet channels, and the air outlet channels are communicated with air outlet pipes.

Preferably, one side of the air inlet channel is communicated with an air inlet pipe.

(III) advantageous effects

The invention provides an efficient EGR valve. The method has the following beneficial effects:

this efficient EGR valve, pass through inlet channel through waste gas, reposition of redundant personnel cavity and first connecting channel get into first mixing chamber in with the air mixing, export through the passageway of giving vent to anger, when the waste gas content increase, the drive connecting rod of actuating cylinder removes, the spout that is provided with axle piece looks adaptation through the surface of baffle, it rotates to drive the baffle, make waste gas can enter into first mixing chamber and second mixing chamber respectively through first connecting channel and second connecting channel and carry out the mixing output, the volume that current exhaust gas circulating valve can not cross increase mixing air according to waste gas content has been solved, greatly reduced exhaust gas cyclic utilization's problem.

Drawings

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

fig. 2 is a partial enlarged view of the invention at a in fig. 1.

In the figure, 1 machine shell, 2 air inlet channels, 3 shunting chambers, 4 first connecting channels, 5 second connecting channels, 6 first mixing chambers, 7 second mixing chambers, 8 baffles, 9 placing grooves, 10 air cylinders, 11 connecting rods, 12 shaft blocks, 13 sliding grooves, 14 air channels, 15 air pipes, 16 air outlet channels, 17 air outlet pipes and 18 air inlet pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: the utility model provides an efficient EGR valve, includes casing 1, and casing 1's inside is provided with inlet channel 2, and inlet channel 2's one side is provided with reposition of redundant personnel cavity 3, is provided with first connecting channel 4 and second connecting channel 5 on the reposition of redundant personnel cavity 3 respectively, and first connecting channel 4 intercommunication has first mixing chamber 6, and second connecting channel 5 intercommunication has second mixing chamber 7.

As shown in fig. 2, a baffle plate 8 is rotatably arranged at the top of the inner wall of the shunting chamber 3, the bottom of the baffle plate 8 is slidably connected with the inner wall of the chamber 3, a placing groove 9 is arranged on the machine shell 1, an air cylinder 10 is fixed inside the placing groove 9, a connecting rod 11 is fixed at the bottom valley bottom of the air cylinder 10, the bottom end of the connecting rod 11 penetrates through the placing groove 9 and extends into the shunting chamber 3, a shaft block 12 is rotatably arranged at the bottom end of the connecting rod 11, and a sliding groove 13 matched with the shaft block 12 is arranged on the surface of the baffle plate 8 to play a role in limiting;

according to the invention, the first mixing chamber 6 and the second mixing chamber 7 are respectively provided with an air channel 14, one side of the air channel 14 is communicated with an air pipe 15, the first mixing chamber 6 and the second mixing chamber 7 are respectively provided with an air outlet channel 16, the air outlet channel 16 is communicated with an air outlet pipe 17, and one side of the air inlet channel 2 is communicated with an air inlet pipe 18.

During the use, waste gas passes through inlet channel 2, reposition of redundant personnel cavity 3 and first connecting channel 4 get into first mixing chamber 6 in with the air mixing, export through outlet channel 16, when waste gas content increases, the drive connecting rod 11 that starts cylinder 10 removes, the surface through baffle 8 is provided with the spout 13 of axle block 12 looks adaptation, it rotates to drive baffle 8, make waste gas can enter into respectively through first connecting channel 4 and second connecting channel 5 and mix the output in first mixing chamber 6 and second mixing chamber 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An efficient EGR valve comprising a housing (1), characterized in that: the inside of casing (1) is provided with inlet channel (2), and one side of inlet channel (2) is provided with reposition of redundant personnel cavity (3), be provided with first connecting channel (4) and second connecting channel (5) on reposition of redundant personnel cavity (3) respectively, and first connecting channel (4) intercommunication has first mixing chamber (6), second connecting channel (5) intercommunication has second mixing chamber (7).

2. An efficient EGR valve as defined in claim 1 wherein: baffle (8) are rotated at the top of the inner wall of the shunting cavity (3), and the bottom of the baffle (8) is connected with the inner wall of the cavity (3) in a sliding manner.

3. An efficient EGR valve as defined in claim 2 wherein: the improved structure of the high-pressure separator is characterized in that a placing groove (9) is formed in the machine shell (1), an air cylinder (10) is fixed inside the placing groove (9), a connecting rod (11) is fixed to the bottom valley bottom of the air cylinder (10), the bottom end of the connecting rod (11) penetrates through the placing groove (9) and extends to the inside of the flow dividing cavity (3), and a shaft block (12) is arranged at the bottom end of the connecting rod (11) in a rotating mode.

4. An efficient EGR valve as defined in claim 1 wherein: and a sliding groove (13) matched with the shaft block (12) is formed in the surface of the baffle (8).

5. An efficient EGR valve as defined in claim 1 wherein: and air channels (14) are arranged on the first mixing chamber (6) and the second mixing chamber (7), and one sides of the air channels (14) are communicated with air pipes (15).

6. An efficient EGR valve as defined in claim 1 wherein: and the first mixing chamber (6) and the second mixing chamber (7) are both provided with an air outlet channel (16), and the air outlet channel (16) is communicated with an air outlet pipe (17).

7. An efficient EGR valve as defined in claim 1 wherein: and one side of the air inlet channel (2) is communicated with an air inlet pipe (18).