CN202832776U - Gasoline engine air inlet bypass valve - Google Patents
Gasoline engine air inlet bypass valve Download PDFInfo
- Publication number
- CN202832776U CN202832776U CN201220492274.3U CN201220492274U CN202832776U CN 202832776 U CN202832776 U CN 202832776U CN 201220492274 U CN201220492274 U CN 201220492274U CN 202832776 U CN202832776 U CN 202832776U
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- way pipe
- face
- upper shell
- valve rod
- boss
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Abstract
Provided is a gasoline engine air inlet bypass valve. The gasoline engine air inlet bypass valve is composed of an upper shell, a T-branch pipe, a lower shell, a spool assembly and a spring. A locating frame on the spool assembly is installed in a step hole of the T-branch pipe. One end of the T-branch pipe, provided with an air inlet, is provided with the lower shell. An annular locating boss on the end face of the lower shell is embedded into an annular locating groove in the end face of the T-branch pipe, one end of the T-branch pipe, provided with the step hole, is provided with the upper shell, and the annular locating boss of the upper shell is embedded into the annular locating groove in the end face of the T-branch pipe. An outer ring of an upper membrane of the spool assembly is pressed tightly by the end face of the opening end of the upper shell and the end face of the T-branch pipe, and a boss on the outer ring of the membrane is embedded into the annular groove in the T-branch pipe. The spring is arranged in the upper shell, one end of the spring is abutted on the bottom in the upper shell, and the other end of the spring is abutted on an upper pressing cover. A valve clack on a valve column of the spool assembly is abutted on the air inlet of the T-branch pipe under effect of the spring so as to seal the air inlet.
Description
Technical field
The utility model relates to technical field of engines, particularly a kind of air inlet bypass valve that uses on petrol engine.
Background technique
Adopt the petrol engine of supercharging technology when its work, behind accelerator pedal, unclamp suddenly, the blower outlet of turbosupercharger is to the volume that can form suddenly an approximate sealing between the closure, and the impeller in the gas compressor is because the effect of rotatory inertia is still inputted suction tude with pressurized air.At this moment, compressor delivery pressure fluctuates up and down, and air mass flow reduces, and can cause turbo-charger surge, not only brings noise problem, and might cause the damage of pressurized machine, even injure the Security of motor.
The air circulation device of installing on the existing turbocharger air compressor housing is though also can solve well the turbo-charger surge problem of bringing after accelerator pedal unclamps rapidly.But because the backflow gas circuit is very short, air circulation device is mounted in again on the metal shell, when air circulation device is worked, and rapid sound in the time of not only can producing gas backstreaming, but also the knock of air circulation device and housing is arranged, have a strong impact on the noise level of petrol engine motor integral body.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of in the situation that accelerator pedal unclamps suddenly, make the air return of blower outlet, avoid owing to too much pressurized air enters the gasoline engine inlet-air bypass valve that suction tude causes turbocharger surge.
The technical solution of the utility model is: a kind of gasoline engine inlet-air bypass valve is comprised of upper shell, three-way pipe, lower shell body, mangetic core assembly and spring.
Described upper shell is provided with joint, and joint communicates with the inner chamber of upper shell, is provided with a ring shape positioning boss at the end face of upper shell opening end.
The tube wall of described three-way pipe is provided with joint, joint communicates with the inner chamber of three-way pipe, one end of three-way pipe inner chamber is provided with suction port and left gas backstreaming chamber, the other end of three-way pipe inner chamber is provided with to install the step hole of position shelf, the end face that three-way pipe is provided with suction port one end is provided with ring shape locating slot and a positioning hole, the end face that three-way pipe is provided with step hole one end is provided with the circular groove that a ring shape locating slot and a circle are used for laying flap outer ring boss, be provided with the left gas backstreaming passage of two symmetries at the interior cavity outer wall of three-way pipe, step hole tube wall on three-way pipe is provided with the left gas backstreaming hole of two symmetries, left gas backstreaming hole one end communicates with step hole, the other end communicates with left gas backstreaming passage, and left gas backstreaming passage communicates with left gas backstreaming chamber.
Described lower shell body is provided with joint, and the end face of the lower shell body the other end is provided with ring shape positioning boss and a locating stud.
Described mangetic core assembly is comprised of position shelf, valve rod, flap, diaphragm, upper press cover, lower cover, cover plate, guide sleeve, rubber seal and packing ring.
Described position shelf is provided with to install the mounting hole of guide sleeve and rubber seal, and the end face of mounting hole opening end is provided with a ring shape locating slot.
The end face of described cover plate one end is provided with a ring shape positioning boss.
Guide sleeve and rubber seal are installed in the mounting hole on the position shelf, rubber seal is installed on the guide sleeve, cover plate is installed on the position shelf, and circular orientation boss on the cover plate embeds in the annular positioning groove on the position shelf, and by tackiness agent cover plate is adhesively fixed on the position shelf.Flap and packing ring are installed in an end of valve rod successively, and by riveting method flap and packing ring are fixed on the valve rod, valve rod is installed in the guide sleeve, adopt movingly between valve rod and the guide sleeve, the other end of valve rod passes cover plate, the end that valve rod passes cover plate is equipped with lower cover, diaphragm and upper press cover successively, and lower cover, diaphragm and upper press cover are fixed on the valve rod by riveting method.
Position shelf in the mangetic core assembly is installed in the step hole on the three-way pipe, and fixes by polymer adhesive.Lower shell body is installed in the end that three-way pipe is provided with suction port, in the annular positioning groove on the circular orientation boss embedding three-way pipe end face on the lower shell body end face, locating stud on the lower shell body end face inserts in the positioning hole on the three-way pipe end face, and by tackiness agent lower shell body is adhesively fixed on the three-way pipe.Upper shell is installed in the end that three-way pipe is provided with step hole, and the circular orientation boss of upper shell embeds in the annular positioning groove on the three-way pipe end face, and by tackiness agent upper shell is adhesively fixed on the three-way pipe.The outer ring of diaphragm is compressed by the opening end end face of upper shell and three-way pipe end face, in the circular groove on the boss embedding three-way pipe on the diaphragm outer ring.Spring is located in the upper shell, and an end of spring withstands on the bottom in the upper shell, and the other end withstands on the upper press cover, and the flap on the valve rod seals suction port withstanding under the active force of spring on the suction port of three-way pipe.
During use, the joint connecting engine intake manifold position of air inlet bypass valve, the joint of three-way pipe connects cold rear position in the blower outlet, position after the joint connection compressor inlet air filter of lower shell body.When engine air throttle was closed suddenly, intake manifold formed negative pressure, and namely the inner chamber of the upper shell of air inlet bypass valve forms negative pressure, and the lower housing cavity of air inlet bypass valve forms high pressure, and the inner chamber of three-way pipe forms negative pressure.Valve rod overcomes the resistance Compress Spring of Compress Spring under the inner chamber negative pressure acting in conjunction of the high pressure of lower housing cavity and upper shell, the air inlet bypass valve is opened, and has been communicated with lower shell body and three-way pipe.At this moment, unnecessary pressurized gas are back to compressor inlet, thereby have solved the surge problem that turbosupercharger is brought when closure is closed suddenly.Simultaneously because installation pipeline is relatively long, not only can effectively reduce and produce new noise when air-flow hurriedly flows, and be convenient to when engine whole vehicle is installed, be adjusted to suitable position, both guaranteed installing space, can widen again noise source and the user's that drives distance, improve the comfort of automobile.
In addition, when under the active force of flap at spring during return, left gas between diaphragm and position shelf is back to lower shell body from the return port on the three-way pipe through refluxing chamber, guarantees that the smooth return of flap closes the suction port in the three-way pipe.
The utility model compared with prior art has following features:
The gasoline engine inlet-air bypass valve one that the utility model provides is to have reduced noise; The 2nd, assembly space is easily arranged, highly versatile; The 3rd, cancelled at the turbocharger air compressor shell air circulation device has been installed, cancelled simultaneously the air circulation chamber on the turbocharger air compressor shell, reduced the designing requirement to the turbocharger air compressor shell, reduced cost.
Below in conjunction with the drawings and specific embodiments detailed structure of the present utility model is further described.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is air inlet bypass valve opening state structural representation;
Accompanying drawing 3 is the structural representation of mangetic core assembly;
Accompanying drawing 4 is the structural representation of upper shell;
Accompanying drawing 5 is the A-A sectional view in the accompanying drawing 4;
Accompanying drawing 6 is the structural representation of three-way pipe;
Accompanying drawing 7 is the B-B sectional view in the accompanying drawing 6;
Accompanying drawing 8 is the C-C sectional view in the accompanying drawing 7;
Accompanying drawing 9 is the plan view in the accompanying drawing 7;
Accompanying drawing 10 is the structural representation of lower shell body;
Accompanying drawing 11 is the D-D sectional view in the accompanying drawing 10;
Accompanying drawing 12 is the structural representation of position shelf;
Accompanying drawing 13 is the E-E sectional view of accompanying drawing 12.
Embodiment
A kind of gasoline engine inlet-air bypass valve is comprised of upper shell 1, three-way pipe 2, lower shell body 3, mangetic core assembly 4 and spring 5.
Described upper shell 1 is provided with joint 1-1, and joint 1-1 communicates with the inner chamber of upper shell 1, is provided with a ring shape positioning boss 1-2 at the end face of upper shell 1 opening end.
The tube wall of described three-way pipe 2 is provided with joint 2-1, joint 2-1 communicates with the inner chamber of three-way pipe 2, one end of three-way pipe 2 inner chambers is provided with suction port 2-3 and left gas backstreaming chamber 2-10, the other end of three-way pipe 2 inner chambers is provided with to install the step hole 2-2 of position shelf 4-1, the end face that three-way pipe 2 is provided with suction port 2-3 one end is provided with ring shape locating slot 2-8 and a positioning hole 2-9, the end face that three-way pipe 2 is provided with step hole 2-2 one end is provided with the circular groove 2-6 that a ring shape locating slot 2-7 and a circle are used for laying flap 4-4 outer ring boss, be provided with the left gas backstreaming passage 2-4 of two symmetries at the interior cavity outer wall of three-way pipe 2, step hole 2-2 tube wall on three-way pipe 2 is provided with the left gas backstreaming hole 2-5 of two symmetries, left gas backstreaming hole 2-5 one end communicates with step hole 2-2, the other end communicates with left gas backstreaming passage 2-4, and left gas backstreaming passage 2-4 communicates with left gas backstreaming chamber 2-10.
Described lower shell body 3 is provided with joint 3-1, and the end face of lower shell body 3 the other ends is provided with ring shape positioning boss 3-2 and a locating stud 3-3.
Described mangetic core assembly 4 is comprised of position shelf 4-1, valve rod 4-2, flap 4-3, diaphragm 4-4, upper press cover 4-5, lower cover 4-6, cover plate 4-7, guide sleeve 4-8, rubber seal 4-9 and packing ring 4-10.
Described position shelf 4-1 is provided with to install the mounting hole 4-1-1 of guide sleeve 4-8 and rubber seal 4-9, and the end face of mounting hole 4-1-1 opening end is provided with a ring shape locating slot 4-1-2.
The end face of described cover plate 4-7 one end is provided with a ring shape positioning boss 4-7-1.
Guide sleeve 4-8 and rubber seal 4-9 are installed in the mounting hole 4-1-1 on the position shelf 4-1, rubber seal 4-9 is installed on the guide sleeve 4-8, cover plate 4-7 is installed on the position shelf 4-1, circular orientation boss 4-7-1 on the cover plate 4-7 embeds in the annular positioning groove 4-1-2 on the position shelf 4-1, and by tackiness agent cover plate 4-7 is adhesively fixed on the position shelf 4-1.Flap 4-3 and packing ring 4-10 are installed in the end of valve rod 4-2 successively, and by riveting method flap 4-3 and packing ring 4-10 are fixed on the valve rod 4-2, valve rod 4-2 is installed in the guide sleeve 4-8, adopt movingly between valve rod 4-2 and the guide sleeve 4-8, the other end of valve rod 4-2 passes cover plate 4-7, the end that valve rod 4-2 passes cover plate 4-7 is equipped with lower cover 4-6, diaphragm 4-4 and upper press cover 4-5 successively, and lower cover 4-6, diaphragm 4-4 and upper press cover 4-5 are fixed on the valve rod 4-2 by riveting method.
Position shelf 4-1 in the mangetic core assembly 4 is installed in the step hole 2-2 on the three-way pipe 2, and fixes by polymer adhesive.Lower shell body 3 is installed in the end that three-way pipe 2 is provided with suction port 2-3, in the annular positioning groove 2-8 on circular orientation boss 3-2 embedding three-way pipe 2 end faces on lower shell body 3 end faces, locating stud 3-3 on lower shell body 3 end faces inserts in the positioning hole 2-9 on three-way pipe 2 end faces, and by tackiness agent lower shell body 3 is adhesively fixed on the three-way pipe 2.Upper shell 1 is installed in the end that three-way pipe 2 is provided with step hole 2-2, and the circular orientation boss 1-2 of upper shell 1 embeds in the annular positioning groove 2-7 on three-way pipe 2 end faces, and by tackiness agent upper shell 1 is adhesively fixed on the three-way pipe 2.The outer ring of diaphragm 4-4 is compressed by the opening end end face of upper shell 1 and three-way pipe 2 end faces, in the circular groove 2-6 on the boss embedding three-way pipe 2 on the diaphragm 4-4 outer ring.Spring 5 is located in the upper shell 1, and an end of spring 5 withstands on the bottom in the upper shell 1, and the other end withstands on the upper press cover 4-5, and the flap 4-3 on the valve rod 4-2 seals suction port 2-3 on the suction port 2-3 that withstands on three-way pipe 2 under the active force of spring 5.
Claims (1)
1. a gasoline engine inlet-air bypass valve is characterized in that: be comprised of upper shell, three-way pipe, lower shell body, mangetic core assembly and spring;
Described upper shell is provided with joint, and joint communicates with the inner chamber of upper shell, is provided with a ring shape positioning boss at the end face of upper shell opening end;
The tube wall of described three-way pipe is provided with joint, joint communicates with the inner chamber of three-way pipe, one end of three-way pipe inner chamber is provided with suction port and left gas backstreaming chamber, the other end of three-way pipe inner chamber is provided with to install the step hole of position shelf, the end face that three-way pipe is provided with suction port one end is provided with ring shape locating slot and a positioning hole, the end face that three-way pipe is provided with step hole one end is provided with the circular groove that a ring shape locating slot and a circle are used for laying flap outer ring boss, be provided with the left gas backstreaming passage of two symmetries at the interior cavity outer wall of three-way pipe, step hole tube wall on three-way pipe is provided with the left gas backstreaming hole of two symmetries, left gas backstreaming hole one end communicates with step hole, the other end communicates with left gas backstreaming passage, and left gas backstreaming passage communicates with left gas backstreaming chamber;
Described lower shell body is provided with joint, and the end face of the lower shell body the other end is provided with ring shape positioning boss and a locating stud;
Described mangetic core assembly is comprised of position shelf, valve rod, flap, diaphragm, upper press cover, lower cover, cover plate, guide sleeve, rubber seal and packing ring;
Described position shelf is provided with to install the mounting hole of guide sleeve and rubber seal, and the end face of mounting hole opening end is provided with a ring shape locating slot;
The end face of described cover plate one end is provided with a ring shape positioning boss;
Guide sleeve and rubber seal are installed in the mounting hole on the position shelf, rubber seal is installed on the guide sleeve, cover plate is installed on the position shelf, and circular orientation boss on the cover plate embeds in the annular positioning groove on the position shelf, and by tackiness agent cover plate is adhesively fixed on the position shelf; Flap and packing ring are installed in an end of valve rod successively, and by riveting method flap and packing ring are fixed on the valve rod, valve rod is installed in the guide sleeve, adopt movingly between valve rod and the guide sleeve, the other end of valve rod passes cover plate, the end that valve rod passes cover plate is equipped with lower cover, diaphragm and upper press cover successively, and lower cover, diaphragm and upper press cover are fixed on the valve rod by riveting method;
Position shelf in the mangetic core assembly is installed in the step hole on the three-way pipe, and fixes by polymer adhesive; Lower shell body is installed in the end that three-way pipe is provided with suction port, in the annular positioning groove on the circular orientation boss embedding three-way pipe end face on the lower shell body end face, locating stud on the lower shell body end face inserts in the positioning hole on the three-way pipe end face, and by tackiness agent lower shell body is adhesively fixed on the three-way pipe; Upper shell is installed in the end that three-way pipe is provided with step hole, and the circular orientation boss of upper shell embeds in the annular positioning groove on the three-way pipe end face, and by tackiness agent upper shell is adhesively fixed on the three-way pipe; The outer ring of diaphragm is compressed by the opening end end face of upper shell and three-way pipe end face, in the circular groove on the boss embedding three-way pipe on the diaphragm outer ring; Spring is located in the upper shell, and an end of spring withstands on the bottom in the upper shell, and the other end withstands on the upper press cover, and the flap on the valve rod seals suction port withstanding under the active force of spring on the suction port of three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220492274.3U CN202832776U (en) | 2012-09-25 | 2012-09-25 | Gasoline engine air inlet bypass valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220492274.3U CN202832776U (en) | 2012-09-25 | 2012-09-25 | Gasoline engine air inlet bypass valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832776U true CN202832776U (en) | 2013-03-27 |
Family
ID=47944506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220492274.3U Expired - Lifetime CN202832776U (en) | 2012-09-25 | 2012-09-25 | Gasoline engine air inlet bypass valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018961A (en) * | 2014-06-09 | 2014-09-03 | 重庆长安汽车股份有限公司 | Air inlet pipeline system of supercharged engine and air inlet by-pass valve |
| CN104612817A (en) * | 2015-01-23 | 2015-05-13 | 中国重汽集团济南动力有限公司 | Anti-surging valve for gas engine supercharger |
| CN107191262A (en) * | 2017-07-14 | 2017-09-22 | 太仓源凯汽车配件有限公司 | A kind of integral type by-passing valve |
-
2012
- 2012-09-25 CN CN201220492274.3U patent/CN202832776U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018961A (en) * | 2014-06-09 | 2014-09-03 | 重庆长安汽车股份有限公司 | Air inlet pipeline system of supercharged engine and air inlet by-pass valve |
| CN104612817A (en) * | 2015-01-23 | 2015-05-13 | 中国重汽集团济南动力有限公司 | Anti-surging valve for gas engine supercharger |
| CN107191262A (en) * | 2017-07-14 | 2017-09-22 | 太仓源凯汽车配件有限公司 | A kind of integral type by-passing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |