CN212563486U

CN212563486U - EGR valve beneficial to disassembly

Info

Publication number: CN212563486U
Application number: CN202021052390.4U
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: 2021-02-19
Anticipated expiration: 2030-06-10

Abstract

The utility model provides a EGR valve which is convenient for disassembly, comprising a connecting disc, a mounting hole, an exhaust gas circulation shell, a mounting seat, a fixed seat, a valve shell and a vacuum nozzle, wherein the mounting seat is arranged, a locking component passes through the locking hole, then a rotating cap on the locking component is rotated by 90 degrees, the locking of the mounting seat and the fixed seat is realized, the use of screws is omitted, and the locking component has strong corrosion resistance, long service life and convenient disassembly and assembly; the locking assembly is arranged, and the rotating cap is rotatably connected with the T-shaped shaft through the rotating cavity, so that the locking assembly can conveniently lock the fixed seat; the recess is seted up to the setting in locking hole, locking hole upper surface perpendicularly, and locking hole and recess set up to the cross, set up the recess in the locking hole, will rotate the cap to the recess in, prevent that the dropout phenomenon from appearing in the car operation in-process in the EGR valve.

Description

EGR valve beneficial to disassembly

Technical Field

The utility model belongs to the technical field of the EGR valve, especially, relate to a do benefit to EGR valve of dismantlement.

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.

Because the EGR valve is in a high-temperature working state for a long time, and the temperature and humidity conditions in the engine compartment are poor, screws for installing the EGR valve are easy to corrode, and the EGR valve is convenient to install and also not convenient to detach.

Therefore, it is necessary to develop an EGR valve that facilitates disassembly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a do benefit to EGR valve of dismantlement to solve because the EGR valve is under the high temperature operating condition for a long time, in addition the humiture condition in the engine compartment is not good, the screw of installation EGR valve is easily corroded, both the installation of being convenient for, also not convenient to detach's problem. An EGR valve beneficial to disassembly comprises a connecting disc, mounting holes, an exhaust gas circulation shell, a mounting seat, a fixed seat and a valve shell vacuum nozzle, wherein the connecting disc is welded at the bottom of the exhaust gas circulation shell, and the two sides of the connecting disc are provided with the mounting holes; the waste gas circulating shell is welded between the connecting disc and the mounting seat; the fixed seat is arranged above the mounting seat and is detachably connected with the mounting seat; the valve shell is welded above the fixed seat; the vacuum nozzle is arranged on one side of the upper end of the valve shell.

The mounting seat comprises a lower seat body, a through hole and a locking assembly, wherein the through hole convenient for mounting the diaphragm is formed in the middle of the lower seat body; locking Assembly set up 4, the welding is in the four corners department of pedestal upper end down, locking Assembly passes the locking hole, then with the rotatory cap rotation 90 on the locking Assembly, realize the locking of mount pad and fixing base, saved the use of screw, and locking Assembly is corrosion-resistant strong, long service life, and easy dismounting.

The locking assembly consists of a rotating cap, a rotating cavity and a T-shaped shaft; a rotating cavity is formed in the rotating cap; the T-shaped shaft is connected with the rotating cavity in a matched mode, and the rotating cap is connected with the T-shaped shaft in a rotating mode through the rotating cavity, so that the locking assembly can be locked on the fixed seat conveniently.

The fixing base include last pedestal, rubber pad and locking hole, the bottom of last pedestal bond and have the rubber pad, the locking hole has been seted up to the four corners department of this last pedestal, go up the pedestal bottom and bond and have the rubber pad, play the sealed of fixing base and mount pad, prevent the escape of waste gas, rubber pad self has certain elasticity moreover, improves locking assembly and to fixing base locking effect.

The locking hole is matched with the rotating cap, a groove is vertically formed in the upper surface of the locking hole, the locking hole and the groove are in a cross shape, the groove is formed in the locking hole, the rotating cap is rotated into the groove, and the EGR valve is prevented from being tripped in the running process of the automobile.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting of mount pad, locking Assembly pass the locking hole, then rotate 90 with the rotatory cap on the locking Assembly, realize the locking of mount pad and fixing base, saved the use of screw, and locking Assembly is corrosion-resistant strong, long service life, and easy dismounting;

2. the locking assembly of the utility model is arranged, the rotating cap is rotationally connected with the T-shaped shaft through the rotating cavity, which is convenient for the locking assembly to lock the fixed seat;

3. the rubber pad is bonded at the bottom of the upper seat body to seal the fixing seat and the mounting seat and prevent waste gas from escaping, and the rubber pad has certain elasticity, so that the locking effect of the locking assembly on the fixing seat is improved;

4. the utility model discloses locking the setting in hole, locking the hole upper surface and seted up flutedly perpendicularly, locking hole and recess set up to the cross form, set up the recess in locking the hole, will rotate the cap to the recess in, prevent that the dropout phenomenon from appearing at the car operation in-process in the EGR valve.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the mounting seat structure of the present invention.

Fig. 3 is a sectional view taken along line a-a of the present invention.

Fig. 4 is a schematic view of the fixing base structure of the present invention.

Fig. 5 is a B-B sectional view of the present invention.

In the figure:

1-connecting disc, 2-mounting hole, 3-exhaust gas circulation shell, 4-mounting seat, 41-lower seat body, 42-through hole, 43-locking component, 44-rotating cap, 45-rotating cavity, 46-T-shaped shaft, 5-fixing seat, 51-upper seat body, 52-rubber pad, 53-locking hole, 6-valve shell and 7-vacuum nozzle.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 5

The utility model provides an EGR valve which is convenient for disassembly, comprising a connecting disc 1, a mounting hole 2, an exhaust gas circulation shell 3, a mounting seat 4, a fixed seat 5, a valve shell 6 and a vacuum nozzle 7, wherein the connecting disc 1 is welded at the bottom of the exhaust gas circulation shell 3, and the two sides of the connecting disc 1 are provided with the mounting holes 2; the exhaust gas circulating shell 3 is welded between the connecting disc 1 and the mounting seat 4; the fixed seat 5 is arranged above the mounting seat 4 and is detachably connected with the mounting seat 4; the valve shell 6 is welded above the fixed seat 5; the vacuum nozzle 7 is arranged at one side of the upper end of the valve casing 6.

The mounting seat 4 comprises a lower seat body 41, a through hole 42 and a locking assembly 43, wherein the through hole 42 convenient for mounting the diaphragm is formed in the middle of the lower seat body 41; locking Assembly 43 set up 4, the welding is in the four corners department of pedestal 41 upper end down, locking Assembly 43 passes locking hole 53, then rotates 90 with the rotatory cap 44 on the locking Assembly 43, realizes the locking of mount pad 4 and fixing base 5, has saved the use of screw, and locking Assembly 43 is corrosion-resistant strong, long service life, and easy dismounting.

The locking assembly 43 consists of a rotating cap 44, a rotating cavity 45 and a T-shaped shaft 46; a rotating cavity 45 is formed in the rotating cap 44; the T-shaped shaft 46 is matched and connected with the rotating cavity 45, and the rotating cap 44 is rotatably connected with the T-shaped shaft 46 through the rotating cavity 45, so that the locking assembly 43 can be locked on the fixed seat 5 conveniently.

The fixing seat 5 comprises an upper seat body 51, a rubber pad 52 and a locking hole 53, the rubber pad 52 is bonded at the bottom of the upper seat body 51, the locking hole 53 is formed in the four corners of the upper seat body 51, the rubber pad 52 is bonded at the bottom of the upper seat body 51, sealing between the fixing seat 5 and the mounting seat 4 is achieved, escape of waste gas is prevented, the rubber pad 52 has certain elasticity, and the locking effect of the locking assembly 43 on the fixing seat 5 is improved.

The locking hole 53 is matched with the rotating cap 44, a groove is vertically formed in the upper surface of the locking hole 53, the locking hole 53 and the groove are in a cross shape, the locking hole 53 is provided with the groove, the rotating cap 44 is rotated into the groove, and the EGR valve is prevented from being tripped in the running process of the automobile.

Principle of operation

The utility model discloses in, in the installation, locking Assembly 43 passes locking hole 53, then with the rotatory 90 of rotatory cap 44 on the locking Assembly 43, will rotate cap 44 to the recess in, prevent that the dropout phenomenon from appearing in the car operation in-process of EGR valve, because it has rubber pad 52 to bond in 51 bottoms of last pedestal, play fixing base 5 and mount pad 4 sealed, prevent the escape of waste gas, rubber pad 52 self has certain elasticity moreover, improves locking Assembly 43 and locks the effect to fixing base 5, the utility model discloses save the use of screw, and locking Assembly 43 is corrosion-resistant strong, long service life, and easy dismounting.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. An EGR valve facilitating disassembly is characterized in that: the exhaust gas circulation device comprises a connecting disc (1), mounting holes (2), an exhaust gas circulation shell (3), a mounting seat (4), a fixing seat (5), a valve shell (6) and a vacuum nozzle (7), wherein the connecting disc (1) is welded at the bottom of the exhaust gas circulation shell (3), and the mounting holes (2) are formed in two sides of the connecting disc (1); the waste gas circulating shell (3) is welded between the connecting disc (1) and the mounting seat (4); the fixed seat (5) is arranged above the mounting seat (4) and is detachably connected with the mounting seat (4); the valve shell (6) is welded above the fixed seat (5); the vacuum nozzle (7) is arranged on one side of the upper end of the valve casing (6).

2. The disassembly-facilitating EGR valve of claim 1, wherein: the mounting seat (4) comprises a lower seat body (41), a through hole (42) and a locking assembly (43), wherein the through hole (42) convenient for mounting the diaphragm is formed in the middle of the lower seat body (41); the number of the locking assemblies (43) is 4, and the locking assemblies are welded at four corners of the upper end of the lower seat body (41).

3. The disassembly-facilitating EGR valve of claim 2, wherein: the locking assembly (43) consists of a rotating cap (44), a rotating cavity (45) and a T-shaped shaft (46); a rotating cavity (45) is formed in the rotating cap (44); the T-shaped shaft (46) is connected with the rotating cavity (45) in a matching way.

4. The disassembly-facilitating EGR valve of claim 1, wherein: the fixing seat (5) comprises an upper seat body (51), a rubber pad (52) and locking holes (53), the rubber pad (52) is bonded at the bottom of the upper seat body (51), and the locking holes (53) are formed in the four corners of the upper seat body (51).

5. The disassembly-facilitating EGR valve of claim 4, wherein: the locking hole (53) is matched with the rotating cap (44), a groove is vertically formed in the upper surface of the locking hole (53), and the locking hole (53) and the groove are in a cross shape.