CN211008902U

CN211008902U - EGR valve for automobile exhaust gas recirculation system

Info

Publication number: CN211008902U
Application number: CN201922195042.6U
Authority: CN
Inventors: 吕清海; 邹家华
Original assignee: Shandong Sanjin Precision Casting Co ltd
Current assignee: Shandong Sanjin Precision Casting Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-14
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses an EGR valve for an automobile exhaust gas recirculation system, which comprises an installation mechanism and a connecting mechanism, wherein the lower end of the installation mechanism is provided with the connecting mechanism; the threaded hole is processed at the right end face of the valve body, the threaded hole is connected with the through hole, and the filter screen is installed in the inner cavity of the threaded hole, so that waste gas can be subjected to primary filtering treatment before entering the valve body, the circulating effect is prevented from being influenced by excessive impurities in the waste gas, and the lower end face four corners of the fixed block are provided with the second connecting rods, so that the EGR valve is more convenient to install and disassemble. This EGR valve comprises valve body and clear stifled mechanism, and pivot and blade all stretch into the inner chamber of valve body for when the inner chamber of EGR valve is stopped up by waste gas, can in time clear stifled work through clear stifled mechanism, discharge unnecessary waste gas through the through-hole, reduce the work efficiency of installation valve and can influence whole exhaust gas recirculation system even with the valve body in order to avoid too much blockking up of waste gas.

Description

EGR valve for automobile exhaust gas recirculation system

Technical Field

The utility model relates to a EGR valve technical field specifically is a EGR valve for automobile exhaust gas recirculation system.

Background

The EGR valve is an electromechanical integrated product mounted on a diesel engine for controlling the amount of exhaust gas recirculation fed back to the intake system. It is usually located on the right side of the intake manifold, near the throttle body, and a short metal tube leading to the exhaust manifold is connected to it. The function of the exhaust gas recirculation system is 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. EGR valves are a very important, critical component in exhaust gas recirculation devices.

The existing EGR valve for the automobile exhaust gas recirculation system is mostly inconvenient to operate, has a slightly simple design structure, less intelligent application, lacks of blockage clearing equipment and filtering equipment and is complex to install.

Aiming at the problems and challenges, an EGR valve for an automobile exhaust gas recirculation system is provided, and has the advantages of convenience in operation, higher intelligent level, timeliness in blockage clearing, good filtering effect, simplicity in installation and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an EGR valve for automobile exhaust gas recirculation system has convenient operation, intelligent level higher, clear stifled in time, the filter effect is good and install advantages such as comparatively simple to solved the most convenient to operate of EGR valve for traditional automobile exhaust gas recirculation system, the project organization is slightly simple, and intelligent application is less, lacks clear stifled equipment and filtration equipment and installs comparatively complicated problem.

In order to achieve the above object, the utility model provides a following technical scheme: an EGR valve for an automobile exhaust gas recirculation system comprises an installation mechanism and a connecting mechanism, wherein the lower end of the installation mechanism is provided with the connecting mechanism, the installation mechanism comprises a first installation plate, an installation valve and a second installation plate, an installation hole and a through hole are respectively machined in the outer wall of the first installation plate, the through hole is communicated with the inner cavity of the installation valve, and the connecting mechanism is installed at the lower end of the installation valve; the connecting mechanism comprises a fixing block, first connecting rods and second connecting rods, the first connecting rods are mounted on two sides of the fixing block, the second connecting rods are arranged at four corners of the lower end face of the fixing block, and connecting springs are mounted on the outer walls of the second connecting rods.

Furthermore, the installation valve comprises a valve body and a blockage clearing mechanism, and a triangular installation groove, a first installation cylinder and a second installation cylinder are respectively installed on the upper end face of the valve body.

Further, install pressure sensor and first mounting groove in the inner chamber of valve body respectively, and be provided with temperature sensor in the inner chamber of first mounting groove.

Furthermore, clear stifled mechanism includes motor, pivot and blade, and pivot and blade all stretch into in the inner chamber of valve body.

Furthermore, the front end of the rotating shaft is provided with an induction block, and the induction block is electrically connected with the pressure sensor.

Furthermore, a threaded hole is processed in the right end face of the valve body and connected with a through hole, and a filter screen is installed in an inner cavity of the threaded hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this EGR valve for automobile exhaust gas recirculation system, the installation valve comprises valve body and clear stifled mechanism, and pivot and blade all stretch into the inner chamber of valve body for when the inner chamber of EGR valve is plugged up by waste gas, can clear stifled work in time through clear stifled mechanism, discharge unnecessary waste gas through the through-hole, reduce the work efficiency of installation valve and can influence whole exhaust gas recirculation system even with too much the blocking valve body of waste gas in order to avoid.

2. This EGR valve for automobile exhaust gas recirculation system, install pressure sensor and first mounting groove respectively in the inner chamber of valve body, be provided with temperature sensor in the inner chamber of first mounting groove, and the front end of pivot is provided with the response piece, response piece electric connection pressure sensor, not only make the EGR valve can be in good time to the inside temperature variation condition of external transmission, avoid the high temperature or cross low leading to the fact the incident excessively, can also pass through pressure sensor and the electric connection of response piece, make the pivot rotate in time, develop clear stifled work, the intelligent level of EGR valve has been improved.

3. According to the EGR valve for the automobile exhaust gas recirculation system, the threaded hole is processed in the right end face of the valve body and is connected with the through hole, and the filter screen is installed in the inner cavity of the threaded hole, so that exhaust gas can be subjected to one-time filtering treatment before entering the valve body, and the influence on the circulation effect due to excessive impurities in the exhaust gas is avoided; all be provided with the second connecting rod in the lower terminal surface four corners department of fixed block, and the outer wall of second connecting rod installs coupling spring for it is more convenient when the installation with dismantle the EGR valve, when the maintenance, only needs to pop out it through the spring, has improved the practicality of EGR valve.

Drawings

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

fig. 2 is a schematic view of the anatomical structure of the present invention;

FIG. 3 is a schematic view of the structure of the installation valve of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B of fig. 3 according to the present invention.

In the figure: 1. an installation mechanism; 11. a first mounting plate; 111. mounting holes; 112. a through hole; 12. installing a valve; 121. a valve body; 1211. a triangular mounting groove; 1212. a first mounting cylinder; 1213. a second mounting cylinder; 1214. a pressure sensor; 1215. a first mounting groove; 12151. a temperature sensor; 1216. a threaded hole; 12161. a filter screen; 122. a blockage clearing mechanism; 1221. a motor; 1222. a rotating shaft; 12221. an induction block; 1223. a blade; 13. a second mounting plate; 2. a connecting mechanism; 21. a fixed block; 22. a first connecting rod; 23. a second connecting rod; 231. a spring is connected.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 3, an EGR valve for an automobile exhaust gas recirculation system includes a mounting mechanism 1 and a connecting mechanism 2, the connecting mechanism 2 is disposed at a lower end of the mounting mechanism 1, the mounting mechanism 1 includes a first mounting plate 11, a mounting valve 12 and a second mounting plate 13, a mounting hole 111 and a through hole 112 are respectively formed on an outer wall of the first mounting plate 11, the through hole 112 communicates with an inner cavity of the mounting valve 12, and the connecting mechanism 2 is disposed at a lower end of the mounting valve 12; the installation valve 12 consists of a valve body 121 and a blockage clearing mechanism 122, wherein the upper end surface of the valve body 121 is respectively provided with a triangular installation groove 1211, a first installation barrel 1212 and a second installation barrel 1213; the right end face of the valve body 121 is provided with a threaded hole 1216, the threaded hole 1216 is connected with the through hole 112, and the filter screen 12161 is arranged in the inner cavity of the threaded hole 1216.

Referring to fig. 2, 4 and 5, a connection mechanism 2 of an EGR valve for an automobile exhaust gas recirculation system includes a fixed block 21, a first connection rod 22 and a second connection rod 23, the first connection rod 22 is installed on both sides of the fixed block 21, the second connection rods 23 are installed at four corners of a lower end surface of the fixed block 21, and a connection spring 231 is installed on an outer wall of each second connection rod 23; a pressure sensor 1214 and a first mounting groove 1215 are respectively mounted in the inner cavity of the valve body 121, and a temperature sensor 12151 is arranged in the inner cavity of the first mounting groove 1215; the blockage removing mechanism 122 comprises a motor 1221, a rotating shaft 1222 and blades 1223, and the rotating shaft 1222 and the blades 1223 both extend into the inner cavity of the valve body 121; the front end of the rotating shaft 1222 is provided with a sensing block 12221, and the sensing block 12221 is electrically connected to the pressure sensor 1214.

In summary, the following steps: according to the EGR valve for the automobile exhaust gas recirculation system, the outer wall of the first mounting plate 11 is respectively provided with a mounting hole 111 and a through hole 112, the through hole 112 is communicated with the inner cavity of the mounting valve 12, and the lower end of the mounting valve 12 is provided with the connecting mechanism 2; the first connecting rods 22 are arranged on two sides of the fixed block 21, the second connecting rods 23 are arranged at four corners of the lower end face of the fixed block 21, and the connecting springs 231 are arranged on the outer walls of the second connecting rods 23, so that the EGR valve is more convenient to mount and dismount; the installation valve 12 consists of a valve body 121 and a blockage clearing mechanism 122, and the rotating shaft 1222 and the blades 1223 both extend into the inner cavity of the valve body 121, so that when the inner cavity of the EGR valve is blocked by exhaust gas, blockage clearing work can be timely performed through the blockage clearing mechanism 122, and redundant exhaust gas is discharged through the through hole, so that the situation that the valve body 121 is blocked by excessive exhaust gas, the working efficiency of the installation valve 12 is reduced, and even the whole exhaust gas recirculation system is affected is avoided; install pressure sensor 1214 and first mounting groove 1215 in the inner chamber of valve body 121 respectively, be provided with temperature sensor 12151 in the inner chamber of first mounting groove 1215, and the front end of pivot 1222 is provided with response piece 12221, response piece 12221 electric connection pressure sensor 1214, not only make the EGR valve can transmit the inside temperature variation condition to the external world in good time, avoid the high or low incident that leads to the fact of high temperature, can also pass through pressure sensor 1214 and response piece 12221's electric connection, make pivot 1222 can rotate in good time, carry out clear stifled work, the intelligent level of EGR valve has been improved.

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.

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. The utility model provides a EGR valve for automobile exhaust gas recirculation system, includes installation mechanism (1) and coupling mechanism (2), the lower extreme of installation mechanism (1) is provided with coupling mechanism (2), its characterized in that: the mounting mechanism (1) comprises a first mounting plate (11), a mounting valve (12) and a second mounting plate (13), a mounting hole (111) and a through hole (112) are respectively machined in the outer wall of the first mounting plate (11), the through hole (112) is communicated with an inner cavity of the mounting valve (12), and a connecting mechanism (2) is mounted at the lower end of the mounting valve (12);

the connecting mechanism (2) comprises a fixing block (21), a first connecting rod (22) and a second connecting rod (23), the first connecting rod (22) is installed on two sides of the fixing block (21), the second connecting rod (23) is arranged at the four corners of the lower end face of the fixing block (21), and a connecting spring (231) is installed on the outer wall of the second connecting rod (23).

2. The EGR valve for an automobile exhaust gas recirculation system according to claim 1, wherein: the installation valve (12) consists of a valve body (121) and a blockage clearing mechanism (122), wherein the upper end surface of the valve body (121) is provided with a triangular installation groove (1211), a first installation barrel (1212) and a second installation barrel (1213) respectively.

3. The EGR valve for an automobile exhaust gas recirculation system according to claim 2, wherein: a pressure sensor (1214) and a first mounting groove (1215) are respectively mounted in the inner cavity of the valve body (121), and a temperature sensor (12151) is arranged in the inner cavity of the first mounting groove (1215).

4. The EGR valve for an automobile exhaust gas recirculation system according to claim 2, wherein: the blockage clearing mechanism (122) comprises a motor (1221), a rotating shaft (1222) and blades (1223), and the rotating shaft (1222) and the blades (1223) both extend into an inner cavity of the valve body (121).

5. The EGR valve for an automobile exhaust gas recirculation system according to claim 4, wherein: the front end of the rotating shaft (1222) is provided with a sensing block (12221), and the sensing block (12221) is electrically connected with the pressure sensor (1214).

6. The EGR valve for an automobile exhaust gas recirculation system according to claim 2, wherein: the right end face of the valve body (121) is provided with a threaded hole (1216), the threaded hole (1216) is connected with the through hole (112), and a filter screen (12161) is arranged in the inner cavity of the threaded hole (1216).