CN216950614U

CN216950614U - Exhaust gas valve with heat recovery function

Info

Publication number: CN216950614U
Application number: CN202123326350.1U
Authority: CN
Inventors: 蔡应富; 周义德; 朱松; 陈斌; 严宗波
Original assignee: Wenzhou Yute Technology Co ltd
Current assignee: Wenzhou Yute Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-12
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of waste gas valves, in particular to a waste gas valve with a heat recovery function, which comprises a waste gas valve body and a processing bin, wherein a spring, a diaphragm, a first connecting pipe and a second connecting pipe are arranged on the waste gas valve body, a first one-way valve is arranged on the second connecting pipe, the spring and the diaphragm are both arranged inside the waste gas valve body, the working bin is arranged at the other side of the waste gas valve body, a top cover, a sound insulating layer, a second one-way valve and an oil-gas separation chamber are arranged on the working bin, the sound insulating layer is arranged on the inner wall of the working bin, the oil-gas separation is carried out on waste gas through the oil-gas separation chamber, the noise emitted by the working bin can be reduced through the sound insulating layer, the practicability of the structure is improved, mounting blocks are arranged on the top cover and the working bin, mounting holes are arranged on the mounting blocks, glue inlets are arranged on the top cover, and main rubber tubes are arranged on the mounting blocks, the sealing performance of the structure is improved through the glue inlet and the main rubber tube.

Description

Exhaust gas valve with heat recovery function

Technical Field

The utility model relates to the technical field of waste gas valves, in particular to a waste gas valve with a heat recovery function.

Background

As is well known, an exhaust gas valve is a circulating exhaust gas circulation valve, which is a technology that an exhaust gas recirculation line is connected to an exhaust system to lead out and re-introduce exhaust gas into an intake system to sufficiently mix the exhaust gas with fresh air before entering a cylinder, and the exhaust gas circulation valve is a main component in an automobile exhaust gas circulation system, and is mainly a small internal combustion engine for an automobile to circulate exhaust gas after combustion and reduce nitrogen oxides in the exhaust gas, thereby improving fuel economy at partial load.

For example, the patent with the publication number of 'CN 208310926U' is named as 'an exhaust gas circulating valve', and the patent discloses 'an exhaust gas circulating valve' which comprises a valve body and a motor connected with the valve body, wherein the valve body is provided with a valve cavity, a circulating inlet and a circulating outlet which are arranged in parallel along the valve cavity, a piston and a piston rod which are used for promoting the communication or the plugging of the circulating inlet and the circulating outlet are arranged in the valve cavity, the motor is linked with the piston rod to promote the piston rod to drive the piston to slide in the valve cavity, the motor is connected with the valve body through a concave flange, the concave flange comprises an inner concave body and an installation disc body vertically connected with the edge of the body, a motor is arranged in a concave space of the inner concave body, the bottom end face of the concave space is an installation end face for the motor to be connected through a fastener, and a damping assembly is arranged between the installation end face and a side wall vertically connected with the installation end face and the motor respectively. Adopt above-mentioned technical scheme, provide one kind and reduced motor resonance nature, guaranteed piston seal, simple structure's exhaust gas recirculation valve ".

The existing waste gas valve has the disadvantages that in the use process, the noise generated by the existing waste gas valve is large, the vibration amplitude of the existing waste gas valve is large, internal parts are easily damaged, in the use process, the sealing performance is insufficient, impurities are easily introduced into the interior of the waste gas valve, and the service life of the existing waste gas valve is shortened in a long-term state.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an exhaust gas valve with a heat recovery function.

Technical solution to achieve the above object, the present invention provides the following technical solutions: a waste gas valve with a heat recovery function comprises a waste gas valve body and a processing bin, wherein a spring, a diaphragm, a first connecting pipe and a second connecting pipe are arranged on the waste gas valve body, the first connecting pipe and the second connecting pipe are respectively arranged on two sides of the waste gas valve body, a first one-way valve is arranged on the second connecting pipe, the spring and the diaphragm are both arranged inside the waste gas valve body, the working bin is arranged on the other side of the waste gas valve body, a top cover, a sound insulation layer, a second one-way valve and an oil-gas separation chamber are arranged on the working bin, the sound insulation layer is arranged on the inner wall of the working bin, the second one-way valve and the oil-gas separation chamber are both arranged inside the working bin, an oil mist inlet, an air outlet pipe and an oil outlet pipe are arranged on the oil-gas separation chamber, the oil mist inlet is arranged on one side of the oil-gas separation chamber, and the air outlet pipe is arranged at the upper end of the oil-gas separation chamber, the lower extreme at the oil-gas separation room is installed to the play oil pipe, the top cap is located the upper end of working bin, and all be equipped with the installation piece on top cap and the working bin, be equipped with the mounting hole on the installation piece, be equipped with into jiao kou on the top cap, it is located one side of mounting hole to advance jiao kou, be equipped with main rubber tube on the installation piece, main rubber tube is located the inside of installation piece to one end is connected into jiao kou, and the mounting hole is connected to the other end.

In order to reduce the noise in the structure, the utility model has the improvement that the oil-gas separation chamber is provided with a buffer layer, the buffer layer is arranged on the outer wall of the oil-gas separation chamber, the sound insulation layer is provided with a plurality of grooves, and the grooves are respectively arranged on the outer wall of the sound insulation layer.

In order to improve the practicability of the structure, the utility model has the improvement that the top cover is made of hard plastics.

In order to prolong the service life of the structure, the utility model improves that the exhaust gas valve body and the top cover are respectively provided with a heat insulation layer and an anticorrosive layer.

In order to improve the sealing performance of the structure, the utility model has the improvement that the working bin is provided with an auxiliary rubber tube which is positioned at the edge of the working bin and is communicated with the main rubber tube.

Compared with the prior art, the waste gas valve with the heat recovery function has the following beneficial effects: the waste gas valve with the heat recovery function is characterized in that a top cover, a sound insulation layer, a second one-way valve and an oil-gas separation chamber are arranged on the working bin, the sound insulation layer is arranged on the inner wall of the working bin, in the structure, the noise generated by the structure during working can be reduced by arranging the sound insulation layer, a buffer layer is arranged on the oil-gas separation chamber, the buffer layer is arranged on the outer wall of the oil-gas separation chamber, the vibration generated by the oil-gas separation chamber can be reduced by arranging the buffer layer, so that the noise is indirectly reduced, a glue inlet is arranged on the top cover, the glue inlet is arranged on one side of the mounting hole, a main rubber pipe is arranged on the mounting block, the main rubber pipe is arranged inside the mounting block, one end of the main rubber pipe is connected with the glue inlet, the other end of the main rubber pipe is connected with the mounting hole, and the sealing performance of the structure is improved by arranging the glue inlet and the main rubber pipe, thereby improving the service life of the structure.

Drawings

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

FIG. 2 is a schematic view showing the structure of the oil-gas separation chamber of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention; FIG. 4 is an enlarged view of a portion of FIG. 1 at B according to the present invention; FIG. 5 is a schematic structural view of a top cover according to the present invention;

in the figure: 1. an exhaust gas valve body; 2. a first connecting pipe; 3. a second connecting pipe; 4. mounting blocks; 5. a membrane; 6. a first check valve; 7. a spring; 8. a working bin; 9. a buffer layer; 10. a second one-way valve;

11. an oil-gas separation chamber; 12. an air outlet pipe; 13. an oil mist inlet; 14. a groove; 15. a sound insulating layer; 16. an oil outlet pipe; 17. a main rubber pipe; 18. an auxiliary rubber tube; 19. a glue inlet; 20. mounting holes; 21. and a top cover.

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. 1-5, the waste gas valve with heat recycling function of the present invention includes a waste gas valve body 1 and a processing chamber, wherein the waste gas valve body 1 is provided with a spring 7, a diaphragm 5 and a first connecting pipe

2 and second connecting pipe 3, first connecting pipe 2 and second connecting pipe 3 are installed respectively in the both sides of waste gas valve body 1, and be equipped with first check valve 6 on the second connecting pipe 3, spring 7 and diaphragm 5 are all installed in the inside of waste gas valve body 1, and the opposite side at waste gas valve body 1 is installed to working bin 8, be equipped with top cap 21, puigging 15, second check valve 10 and oil-gas separation chamber 11 on the working bin 8, puigging 15 is installed on the inner wall of working bin 8, second check valve 10 and oil-gas separation chamber 11 are all installed in the inside of working bin 8, be equipped with oil mist import on the oil-gas separation chamber 11

13. The oil mist inlet 13 is arranged on one side of the oil-gas separation chamber 11, the oil outlet pipe 12 is arranged at the upper end of the oil-gas separation chamber 11, the oil outlet pipe 16 is arranged at the lower end of the oil-gas separation chamber 11, the top cover 21 is positioned at the upper end of the working bin 8, and the top cover 21 and the working bin are arranged

All be equipped with installation piece 4 on 8, be equipped with mounting hole 20 on the installation piece 4, be equipped with into jiao kou 19 on the top cap 21, it is located one side of mounting hole 20 to advance jiao kou 19, be equipped with main rubber tube 17 on the installation piece 4, main rubber tube 17 is located the inside of installation piece 4 to glue kou 19 is connected into to one end, and mounting hole 20 is connected to the other end.

When the waste gas valve with the heat recovery function is used, the waste gas valve is connected with an air inlet branch pipe on an automobile through the second connecting pipe 3, and is connected with a turbocharger on the automobile through the first connecting pipe 2, wherein when the engine is in idling, a vacuum is generated at the second connecting pipe 3, a small amount of oil-gas mixture in the engine can enter the air inlet branch pipe through the second connecting pipe 3 for combustion, when the turbocharger works under the condition of high rotating speed of the engine, a positive pressure is generated at the second connecting pipe 3, the generated positive pressure can cause the first check valve 6 to be closed, and an isolation effect is achieved, in the structure, the oil-gas mixture generated by the engine enters the oil separation air chamber through the oil mist inlet 13,

vortex can be generated in the oil separating air chamber, the engine oil is separated under the action of centrifugal force, the engine oil is returned to an engine through the oil outlet pipe 16, the exhaust is carried out through the air outlet pipe 12, the noise generated in the structure during working can be reduced through the arrangement of the sound insulation layer 15, the vibration generated in the oil-gas separating chamber 11 can be reduced through the arrangement of the buffer layer 9, the noise generation is indirectly reduced, in the structure, the top cover 21 is arranged on the working bin 8 through the mounting block 4 and is fixed through the bolt at the mounting hole 20, after the bolt is fixed, some liquid glue is added into the main glue pipe 17 through the glue inlet 19, the liquid glue is selected from glue which is quickly shaped and is easily dissolved, the cover body is conveniently opened, and the sealing effect of the structure is ensured, therefore, impurities in the working bin 8 are reduced, the service life of the structure is further prolonged, attention is paid to the structure, the diaphragm 5 needs to be checked regularly when attention is paid to the structure, the diaphragm 5 is aged after being used for a long time, and after the waste gas valve is damaged, the phenomenon that an automobile burns engine oil can occur, and the maintenance is required to be carried out in time.

In order to reduce the noise in the structure, the utility model improves the structure that the buffer layer 9 is arranged on the oil-gas separation chamber 11, the buffer layer 9 is arranged on the outer wall of the oil-gas separation chamber 11, the sound insulation layer 15 is provided with the grooves 14, the grooves 14 are provided with a plurality of grooves and are respectively arranged on the outer wall of the sound insulation layer 15, the buffer layer 9 is arranged here, the vibration generated by the oil-gas separation chamber 11 can be reduced, the noise generation is indirectly reduced, and the sound absorption effect of the sound insulation layer 15 is improved through the grooves 14 arranged on the sound insulation layer 15.

In order to improve the practicability of the structure, the utility model improves that the top cover 21 is made of hard plastic, wherein the hard plastic has the advantages of high hardness and light weight.

In order to prolong the service life of the structure, the utility model improves that the exhaust gas valve body 1 and the top cover 21 are respectively provided with a heat insulation layer and an anticorrosive layer, in the structure, the heat insulation property and the oxidation resistance of the exhaust gas valve body 1 and the top cover 21 are respectively improved, so that the exhaust gas valve body 1 and the top cover 21 are not easy to damage.

In order to improve the sealing performance of the structure, the utility model improves that the working bin 8 is provided with the auxiliary rubber tube 18, the auxiliary rubber tube 18 is positioned at the edge of the working bin 8 and is communicated with the main rubber tube 17, and in the structure, when the rubber in the main rubber tube 17 flows into the auxiliary rubber tube 18, the sealing effect of the structure is further improved.

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

Claims

1. The waste gas valve with the heat recovery function is characterized by comprising a waste gas valve body (1) and a processing bin, wherein a spring (7), a diaphragm (5), a first connecting pipe (2) and a second connecting pipe (3) are arranged on the waste gas valve body (1), the first connecting pipe (2) and the second connecting pipe (3) are respectively arranged on two sides of the waste gas valve body (1), a first one-way valve (6) is arranged on the second connecting pipe (3), the spring (7) and the diaphragm (5) are both arranged in the waste gas valve body (1), a working bin (8) is arranged on the other side of the waste gas valve body (1), a top cover (21), a sound insulation layer (15), a second one-way valve (10) and an oil-gas separation chamber (11) are arranged on the working bin (8), the sound insulation layer (15) is arranged on the inner wall of the working bin (8), the second one-way valve (10) and the oil-gas separation chamber (11) are arranged inside the working bin (8), the oil-gas separation chamber (11) is provided with an oil mist inlet (13), an air outlet pipe (12) and an oil outlet pipe (16), the oil mist inlet (13) is arranged on one side of the oil-gas separation chamber (11), the air outlet pipe (12) is arranged on the upper end of the oil-gas separation chamber (11), the oil outlet pipe (16) is arranged on the lower end of the oil-gas separation chamber (11), the top cover (21) is positioned on the upper end of the working bin (8), the top cover (21) and the working bin (8) are both provided with mounting blocks (4), and the mounting holes (20) are formed in the mounting blocks (4), be equipped with on top cap (21) and advance jiao kou (19), advance jiao kou (19) and be located one side of mounting hole (20), be equipped with main rubber tube (17) on installation piece (4), main rubber tube (17) are located the inside of installation piece (4) to glue kou (19) is connected to one end, and mounting hole (20) is connected to the other end.

2. The waste gas valve with the heat recovery function as claimed in claim 1, wherein a buffer layer (9) is arranged on the oil-gas separation chamber (11), and the buffer layer (9) is arranged on the outer wall of the oil-gas separation chamber (11).

3. The exhaust valve with heat recovery function according to claim 1, wherein the sound insulation layer (15) is provided with a plurality of grooves (14), and the grooves (14) are respectively installed on the outer wall of the sound insulation layer (15).

4. The waste gas valve with heat recovery function as claimed in claim 1, wherein the top cover (21) is made of hard plastic.

5. The wastegate valve having the heat recovery function according to claim 1, wherein the wastegate valve body (1) and the top cover (21) are provided with a heat insulating layer and an anticorrosive layer, respectively.

6. The waste gas valve with the heat recovery function as claimed in claim 1, characterized in that the working chamber (8) is provided with an auxiliary rubber hose (18), and the auxiliary rubber hose (18) is positioned at the edge of the working chamber (8) and is communicated with the main rubber hose (17).