CN216342493U - Exhaust gas recirculation valve with double valve plates - Google Patents
Exhaust gas recirculation valve with double valve plates Download PDFInfo
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- CN216342493U CN216342493U CN202123004320.9U CN202123004320U CN216342493U CN 216342493 U CN216342493 U CN 216342493U CN 202123004320 U CN202123004320 U CN 202123004320U CN 216342493 U CN216342493 U CN 216342493U
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Abstract
The utility model discloses an exhaust gas recirculation valve with double valve plates in the field of circulation valves, which comprises a valve body, wherein a threaded seat is fixedly arranged at the top of the valve body, a limiting sleeve is inserted in the threaded seat, a sleeve seat is sleeved on the threaded seat in a threaded manner, a valve seat is fixedly arranged in the valve body, a connecting column is arranged in the valve seat, a first valve core is fixedly arranged at the bottom end of the connecting column, a first valve port is arranged at the bottom end of the valve seat corresponding to the first valve core, the first valve core is inserted in the first valve port, a second valve core is fixedly arranged at the top end of the connecting column, and a second valve port is arranged at the top end of the valve seat corresponding to the second valve core. This kind of exhaust gas recirculation valve convenient to use makes first case, spliced pole, second case and valve rod can be quick take out from the valve body through above-mentioned structure to be convenient for change, avoided traditional circulating valve because unable dismantlement, need directly change whole circulating valve when the internal component wearing and tearing appear, cause the problem of wasting of resources easily.
Description
Technical Field
The utility model relates to the field of circulating valves, in particular to an exhaust gas recirculation valve with double valve plates.
Background
An exhaust gas recirculation valve, referred to simply as an EGR valve, is opened when the engine is running under load, allowing a small amount of exhaust gas to enter the intake manifold and enter the combustion chamber along with the combustible mixture. At idle the EGR valve is closed and little exhaust gas is recirculated to the engine. The automobile exhaust gas is a non-combustible gas which does not contain fuel and oxidant and does not participate in combustion in a combustion chamber. The combustion temperature and pressure are reduced by absorbing part of heat generated by combustion, meanwhile, the oxygen content in the waste gas is low, nitrogen oxide is generated under the condition of high temperature and oxygen enrichment, the generation amount of nitrogen oxide during the running of an engine can be reduced by mixing part of waste gas with combustible gas and entering the combustion chamber, and the amount of waste gas entering the combustion chamber is increased along with the increase of the rotating speed and the load of the engine. The exhaust gas recirculation valve controls the valve rod to move up and down through the electric control device, the valve rod is fixedly connected with the valve block, and the valve block closes and opens the valve port to control the amount of exhaust gas entering the intake manifold when moving up and down along with the valve rod.
Most of the existing exhaust gas recirculation valves are integrated, internal components cannot be disassembled, the whole recirculation valve needs to be directly replaced when the internal components are worn to influence use, and resource waste is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an exhaust gas recirculation valve with double valve plates, which aims to solve the problems that most of the existing exhaust gas recirculation valves in the background art are integrated, internal components cannot be disassembled, and when the internal components are worn to influence use, the whole recirculation valve needs to be directly replaced, so that resource waste is easily caused.
In order to achieve the purpose, the utility model provides the following technical scheme:
the exhaust gas recirculation valve with the double valve plates comprises a valve body, wherein a threaded seat is fixedly installed at the top of the valve body, a limiting sleeve is inserted in the threaded seat, a sleeve seat is sleeved on the threaded seat in a threaded manner, a valve seat is fixedly installed in the valve body, a connecting column is arranged in the valve seat, a first valve core is fixedly installed at the bottom end of the connecting column, a first valve port is arranged at the bottom end of the valve seat corresponding to the first valve core and is inserted in the first valve port, a second valve core is fixedly installed at the top end of the connecting column, a second valve port is arranged at the top end of the valve seat corresponding to the second valve core and is inserted in the second valve port, a threaded head is fixedly installed at the top end of the second valve core, a valve rod is arranged at the upper part of the second valve core, a threaded groove is arranged at the bottom of the valve rod corresponding to the threaded head, and the threaded head is in the threaded groove, the top end of the valve rod extends out of the sleeve seat, an air inlet pipe is fixedly mounted on the left side of the valve body and communicated with the interior of the valve seat, and an air outlet pipe is fixedly mounted on the right side of the valve body and communicated with the interior of the valve body.
As a further scheme of the utility model: the bottom end of the first valve core is arranged to be conical, the first valve port is arranged corresponding to the first valve core, and the first valve port is limited to the bottom end of the first valve core through the design, so that the circulating valve is favorable for use.
As a further scheme of the utility model: the threaded seat is provided with an opening at the joint with the valve body, the opening is larger than the first valve core and the second valve core, the first valve core and the second valve core can be taken out from the opening through the design, and the first valve core and the second valve core are convenient to disassemble.
As a further scheme of the utility model: the top fixed mounting who lies in the stop collar in the cover seat has the seal cover, just the seal cover is established on the valve rod, can further improve the inside leakproofness of this kind of circulating valve through the seal cover.
As a further scheme of the utility model: the top fixed mounting of valve rod has the go-between, is convenient for be connected valve rod and drive assembly through the go-between, is favorable to the use of this kind of circulating valve.
Compared with the prior art, the utility model has the beneficial effects that:
when the exhaust valve is used, the valve rod is connected with a transmission assembly in an automobile through the connecting ring, when exhaust gas enters the valve seat from the air inlet pipe, the transmission assembly drives the valve rod to ascend, the valve rod drives the second valve core to ascend, the second valve core drives the connecting column to ascend, the connecting column drives the first valve core to ascend, the limiting sleeve can limit the top end of the second valve core, the second valve core can stop after ascending to a proper height, the first valve port and the second valve port are opened at the moment, the exhaust gas can enter the valve body through the first valve port and the second valve port in a shunting manner and then circulate through the air outlet pipe, when the first valve core and the second valve core need to be replaced, the sleeve seat is reversely rotated to separate the sleeve seat from the threaded seat, then the limiting sleeve is pulled out, then the valve rod is lifted upwards, the first valve core, the connecting column and the second valve core can be taken out from the valve body, and then the valve rod is rotated, make separation between screw thread head and thread groove, can accomplish the dismantlement, change new first case, the spliced pole, second case and valve rod, utilize above-mentioned principle to do and assemble, this kind of exhaust gas recirculation valve convenient to use makes first case, the spliced pole, second case and valve rod can be quick takes out from the valve body through above-mentioned structure, thereby be convenient for change, avoided traditional circulating valve because unable dismantlement, need directly change whole circulating valve when the wearing and tearing of inside part appear, cause the problem of wasting of resources easily.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention.
In the figure: 1. a valve body; 2. a threaded seat; 3. a sleeve seat; 4. a limiting sleeve; 5. a screw head; 6. sealing sleeves; 7. a valve stem; 8. a valve seat; 9. a first valve spool; 10. connecting columns; 11. a second valve core; 12. a second valve port; 13. a first valve port; 14. an air inlet pipe; 15. an air outlet pipe; 16. a connecting ring; 17. a thread groove.
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. 1-3, in the embodiment of the present invention, an exhaust gas recirculation valve with a double valve plate includes a valve body 1, a threaded seat 2 is fixedly installed on a top of the valve body 1, a stop collar 4 is inserted into the threaded seat 2, a sleeve seat 3 is threaded on the threaded seat 2, a valve seat 8 is fixedly installed in the valve body 1, a connecting column 10 is installed in the valve seat 8, a first valve core 9 is fixedly installed at a bottom end of the connecting column 10, a first valve port 13 is installed at a bottom end of the valve seat 8 corresponding to the first valve core 9, the first valve core 9 is inserted into the first valve port 13, a second valve core 11 is fixedly installed at a top end of the connecting column 10, a second valve port 12 is installed at a top end of the valve seat 8 corresponding to the second valve core 11, the second valve core 11 is inserted into the second valve port 12, a threaded head 5 is fixedly installed at a top end of the second valve core 11, a valve stem 7 is installed at a bottom end of the valve stem 7 corresponding to the threaded head 5, a threaded groove 17 is installed, threaded head 5 threaded connection is in thread groove 17, and outside cover seat 3 was extended to the top of valve rod 7, the left side fixed mounting of valve body 1 had intake pipe 14, and communicates in intake pipe 14 and the disk seat 8, and the right side fixed mounting of valve body 1 has outlet duct 15, and communicates in outlet duct 15 and the valve body 1.
The bottom end of the first valve core 9 is set to be conical, the first valve port 13 is arranged corresponding to the first valve core 9, and the first valve port 13 is limited to the bottom end of the first valve core 9 through the design, so that the circulating valve is beneficial to use.
The connection part of the threaded seat 2 and the valve body 1 is provided with an opening, the opening is larger than the first valve core 9 and the second valve core 11, the first valve core 9 and the second valve core 11 can be taken out from the opening through the design, and the first valve core 9 and the second valve core 11 are convenient to disassemble.
Wherein, the top fixed mounting who is located stop collar 4 in the cover seat 3 has seal cover 6, and seal cover 6 cover is established on valve rod 7, can further improve the inside leakproofness of this kind of circulating valve through seal cover 6.
Wherein, the top end fixed mounting of valve rod 7 has a go-between 16, is convenient for be connected valve rod 7 and drive assembly through go-between 16, is favorable to the use of this kind of circulating valve.
The working principle of the utility model is as follows: when the exhaust gas purifier is used, the valve rod 7 is connected with a transmission assembly in an automobile through the connecting ring 16, when exhaust gas enters the valve seat 8 from the air inlet pipe 14, the transmission assembly drives the valve rod 7 to ascend, the valve rod 7 drives the second valve core 11 to ascend, the second valve core 11 drives the connecting column 10 to ascend, the connecting column 10 drives the first valve core 9 to ascend, the limiting sleeve 4 can limit the top end of the second valve core 11, the second valve core 11 can be stopped when ascending to a proper height, the first valve port 13 and the second valve port 12 are opened at the moment, the exhaust gas can enter the valve body 1 in a shunting manner through the first valve port 13 and the second valve port 12 and then circulate through the air outlet pipe 15, when the first valve core 9 and the second valve core 11 need to be replaced, the sleeve seat 3 is rotated reversely firstly, the sleeve seat 3 is separated from the threaded seat 2, then the limiting sleeve 4 is pulled out, the valve rod 7 is pulled upwards, and the first valve core 9 can be replaced, The spliced pole 10, second valve core 11 takes out from valve body 1, then rotate valve rod 7, make separation between screw thread head 5 and thread groove 17, can accomplish and dismantle, the first valve core 9 of renewal, spliced pole 10, second valve core 11 and valve rod 7, utilize above-mentioned principle to assemble also, this kind of exhaust gas recirculation valve convenient to use, make first valve core 9 through above-mentioned structure, spliced pole 10, second valve core 11 and valve rod 7 can be quick take out from valve body 1 in, thereby be convenient for change, avoided traditional circulating valve because unable dismantlement, need directly change whole circulating valve when the internal component wearing and tearing appear, cause the problem of wasting of resources easily.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a take exhaust gas recirculation valve of double valve piece which characterized in that: the valve comprises a valve body (1), a threaded seat (2) is fixedly installed at the top of the valve body (1), a limiting sleeve (4) is inserted in the threaded seat (2), a sleeve seat (3) is sleeved on the threaded seat (2) in a threaded manner, a valve seat (8) is fixedly installed in the valve body (1), a connecting column (10) is arranged in the valve seat (8), a first valve core (9) is fixedly installed at the bottom end of the connecting column (10), a first valve port (13) is arranged at the position, corresponding to the first valve core (9), of the bottom end of the valve seat (8), the first valve core (9) is inserted in the first valve port (13), a second valve core (11) is fixedly installed at the top end of the connecting column (10), a second valve core (12) is arranged at the position, corresponding to the second valve core (11), the second valve core (11) is inserted in the second valve port (12), a threaded head (5) is fixedly installed at the top end of the second valve core (11), and the upper part of the second valve core (11) is provided with a valve rod (7), a thread groove (17) is formed in the position, corresponding to the thread head (5), of the bottom of the valve rod (7), the thread head (5) is connected in the thread groove (17) in a threaded mode, the top end of the valve rod (7) extends out of the sleeve seat (3), an air inlet pipe (14) is fixedly installed on the left side of the valve body (1), the air inlet pipe (14) is communicated with the interior of the valve seat (8), an air outlet pipe (15) is fixedly installed on the right side of the valve body (1), and the air outlet pipe (15) is communicated with the interior of the valve body (1).
2. The exhaust gas recirculation valve with a dual valve plate of claim 1, wherein: the bottom end of the first valve core (9) is arranged to be conical, and the first valve port (13) is arranged corresponding to the first valve core (9).
3. The exhaust gas recirculation valve with a dual valve plate of claim 1, wherein: an opening is formed in the joint of the threaded seat (2) and the valve body (1), and the opening is larger than the first valve core (9) and the second valve core (11).
4. The exhaust gas recirculation valve with a dual valve plate of claim 1, wherein: a sealing sleeve (6) is fixedly mounted at the top end of the limiting sleeve (4) in the sleeve seat (3), and the sealing sleeve (6) is sleeved on the valve rod (7).
5. The exhaust gas recirculation valve with a dual valve plate of claim 1, wherein: and a connecting ring (16) is fixedly arranged at the top end of the valve rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004320.9U CN216342493U (en) | 2021-12-02 | 2021-12-02 | Exhaust gas recirculation valve with double valve plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004320.9U CN216342493U (en) | 2021-12-02 | 2021-12-02 | Exhaust gas recirculation valve with double valve plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342493U true CN216342493U (en) | 2022-04-19 |
Family
ID=81157452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123004320.9U Active CN216342493U (en) | 2021-12-02 | 2021-12-02 | Exhaust gas recirculation valve with double valve plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342493U (en) |
-
2021
- 2021-12-02 CN CN202123004320.9U patent/CN216342493U/en active Active
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