WO2019119767A1 - Exhaust control valve - Google Patents

Exhaust control valve Download PDF

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Publication number
WO2019119767A1
WO2019119767A1 PCT/CN2018/093010 CN2018093010W WO2019119767A1 WO 2019119767 A1 WO2019119767 A1 WO 2019119767A1 CN 2018093010 W CN2018093010 W CN 2018093010W WO 2019119767 A1 WO2019119767 A1 WO 2019119767A1
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WO
WIPO (PCT)
Prior art keywords
valve
exhaust control
control valve
rotating shaft
housing
Prior art date
Application number
PCT/CN2018/093010
Other languages
French (fr)
Chinese (zh)
Inventor
刘健
李刚
杨润潮
印仁军
Original Assignee
天纳克（苏州）排放系统有限公司
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Publication date
Application filed by 天纳克（苏州）排放系统有限公司 filed Critical 天纳克（苏州）排放系统有限公司
Publication of WO2019119767A1 publication Critical patent/WO2019119767A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member

Definitions

  • the invention relates to an exhaust gas control valve and belongs to the technical field of engine exhaust gas aftertreatment.
  • an exhaust control valve including a tubular casing and a valve cover assembly covering the casing, the casing being provided with a notch, the valve cover
  • the assembly includes a valve cover, a rotating shaft passing through the valve cover, a valve plate fixed to the rotating shaft for rotational movement together with the rotating shaft, and a spring cooperating with the rotating shaft;
  • the valve cover including the cover a main body portion on the notch and an extension portion formed by bending from the main body portion; one end of the spring is fixed on the extension portion, and the other end is fixed on the rotating shaft;
  • the exhaust control valve further includes two bushings respectively positioned in the perforations from the inside out, the shaft passing through the bushing.
  • the valve piece includes a valve piece portion and a steel wool protection cover at a bottom portion of the valve piece portion.
  • the steel wool protection sleeve is sleeved on the valve piece portion, wherein the steel wool protection cover is provided with a pair of oppositely extending fastening portions.
  • the holding portion is located at the top of the valve piece portion.
  • each of the fastening portions is provided with an opening for welding the valve piece portion.
  • each of the bushings includes a base and a constricted portion received in the perforations.
  • the extension portion has a flat shape.
  • the extension portion is provided with a base portion close to the housing and an end portion away from the housing, the base portion being wider than the end portion.
  • the exhaust control valve further includes steel wool plugged in the spring.
  • the present invention provides a complete perforation of the receiving bushing by providing a valve cover assembly covering the casing, and the rotating shaft only needs to be disposed through the main body of the valve cover to avoid the occurrence of the rotating shaft and the casing.
  • the assembly contact allows the mounting of the bonnet assembly to be carried out outside the housing, thereby simplifying its installation and manufacturing process and reducing costs.
  • Figure 1 is a perspective view of an exhaust gas control valve of the present invention.
  • Figure 2 is a plan view of Figure 1.
  • Fig. 3 is a front view of Fig. 1.
  • Fig. 4 is a partially exploded perspective view of Fig. 1;
  • Figure 5 is an exploded perspective view of the bonnet assembly of Figure 4.
  • Figure 6 is an exploded perspective view of the valve plate of Figure 5.
  • the present invention discloses an exhaust control valve 100 that can be applied to an exhaust muffler or an exhaust pipe.
  • the exhaust control valve 100 includes a tubular housing 1 , a valve cover 2 covering the housing 1 , a rotating shaft 3 passing through the housing 1 and the valve cover 2 , and being fixed to the rotating shaft 3 .
  • a valve piece 4 that rotates together with the rotating shaft 3 and a spring 5 that cooperates with the rotating shaft 3 are mounted thereon.
  • the housing 1 is provided with a notch 11
  • the valve cover 2 includes a main body portion 21 covering the notch 11 and an extension formed by bending from the main body portion 21 . twenty two.
  • the extension portion 22 has a flat shape.
  • the extension portion 22 is provided with a base portion 221 adjacent to the housing 1 and an end portion 222 away from the housing 1.
  • the base portion 221 is wider than the end portion 222, so that the extension portion 22 is provided Sufficient strength.
  • One end of the spring 5 is fixed to the extending portion 22, and the other end is fixed to the rotating shaft 3.
  • the main body portion 21 is provided with protrusions 211 on both sides thereof and a complete through hole 212 penetrating the protrusions 211.
  • the exhaust control valve 100 also includes two bushings 6 that are respectively positioned in the bore 212 from the inside out. Each bushing 6 includes a base 61 and a constriction 62 received in the perforation 212. The shaft 3 passes through the bushing 6.
  • the valve plate 4 includes a valve piece portion 41 and a steel wool boot 42 at the bottom of the valve piece portion 41.
  • the steel wool boot 42 is sleeved on the valve piece portion 41, wherein the steel wool boot 42 is provided with a pair of oppositely extending latching portions 43.
  • the latching portion 43 is located at the top of the valve piece portion 41.
  • Each of the fastening portions 43 is provided with an opening 431 for welding it to the valve piece portion 41.
  • the steel wool boot 42 serves to cushion the valve sheet 4 when it is closed, and reduces the mechanical impact on the valve portion 41.
  • the steel wool boot 42 is sleeved on the valve piece portion 41 to form the valve plate 4; secondly, the bushing 6 is positioned in the corresponding through hole 212, and the rotating shaft 3 is passed through the lining a sleeve 6; then the valve plate 4 is fixed to the rotating shaft 3 to form a valve cover assembly; then the valve cover assembly is mounted into the notch 11 of the housing 1 and the valve cover 2 is overlaid on the housing 1 Then, it is fixed and sealed by welding or the like; finally, the spring 5 is inserted into the steel wool 7 and one end of the spring 5 is fixed to the extending portion 22, and the other end is fixed to the rotating shaft 3.
  • the present invention is provided by providing a valve cover assembly covering the casing 1 and providing a complete perforation for receiving the bushing.
  • the rotating shaft 3 only needs to be disposed through the main body portion 21 of the valve cover 2, avoiding the rotating shaft 3 Assembly contact with the housing 1 makes it easy to manufacture.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)
  • Lift Valve (AREA)

Abstract

An exhaust control valve (100) comprises a tubular housing (1) and a valve cover assembly covering the housing. The housing is provided with a gap (11). The valve cover assembly comprises a valve cover (2), a rotating shaft (3) passing through the valve cover, a valve plate (4) fixed to the rotating shaft and rotating together with the rotating shaft, and a spring (5) fitting with the rotating shaft. The valve cover comprises a main component portion (21) covering the gap and an extending portion (22) formed by bending the main component portion. One end of the spring is fixed to the extending portion, and the other end is fixed to the rotating shaft. Two sides of the main component portion are provided with protrusions (211) and complete through holes (212) passing through the protrusions. The exhaust control valve further comprises two bushings (6) respectively positioned, from inside to outside, in the through holes and the rotating shaft passes through the bushings. The invention allows mounting and manufacturing of the valve cover assembly to be performed outside the housing, thereby simplifying a mounting and manufacturing process thereof, and reducing costs.

Description

排气控制阀Exhaust control valve
本申请要求了申请日为2017年12月22日、申请号为201711401276.0、发明名称为“排气控制阀”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。The present application claims priority to Chinese Patent Application Serial No. No. No. No. No. No. No. No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No
技术领域Technical field
本发明涉及一种排气控制阀，属于发动机尾气后处理技术领域。The invention relates to an exhaust gas control valve and belongs to the technical field of engine exhaust gas aftertreatment.
背景技术Background technique
随着汽车保有量的增加，汽车噪声已成为日益严峻的社会问题。排气噪声是汽车噪声中的主要声源之一，国家法规和各个主机厂都对排气噪声提出越来越严格的要求。另外，节能减排以及市场竞争也对排气系统提出轻量化和低成本的要求。在这种情况下，传统的排气消声器已很难满足主机厂的要求，需要采用一些新的技术，如被动阀等。市面上的被动阀一般存在如下问题中的至少一个：一是由于被动阀阀片的阻碍排气流动而使得背压增大；二是被动阀的成本过高。With the increase in car ownership, car noise has become an increasingly serious social problem. Exhaust noise is one of the main sources of noise in car noise, and national regulations and various OEMs are increasingly demanding exhaust noise. In addition, energy saving and emission reduction and market competition also require lightweight and low cost requirements for exhaust systems. In this case, the traditional exhaust muffler has been difficult to meet the requirements of the OEM, and some new technologies, such as passive valves, are needed. Passive valves on the market generally have at least one of the following problems: First, the back pressure is increased due to the obstruction of the exhaust flow of the passive valve plate; second, the cost of the passive valve is too high.
发明内容Summary of the invention
本发明的目的在于提供一种易于制造的排气控制阀。It is an object of the present invention to provide an exhaust control valve that is easy to manufacture.
为实现上述目的，本发明采用如下技术方案：一种排气控制阀，其包括管状的壳体以及覆盖在所述壳体上的阀盖组件，所述壳体设有缺口，所述阀盖组件包括阀盖、穿过所述阀盖的转轴、固定在所述转轴上以与所述转轴一起旋转运动的阀片以及与所述转轴相配合的弹簧；所述阀盖包括覆盖在所述缺口上的主体部以及自所述主体部折弯形成的延伸部；所述弹簧的一端固定在所述延伸部上，另一端固定在所述转轴上；所述主体部的两侧设有凸起以及贯穿所述凸起的完整的穿孔，所述排气控制阀还包括由内而外分别定位在所述穿孔中的两个衬套，所述转轴穿过所述衬套。In order to achieve the above object, the present invention adopts the following technical solution: an exhaust control valve including a tubular casing and a valve cover assembly covering the casing, the casing being provided with a notch, the valve cover The assembly includes a valve cover, a rotating shaft passing through the valve cover, a valve plate fixed to the rotating shaft for rotational movement together with the rotating shaft, and a spring cooperating with the rotating shaft; the valve cover including the cover a main body portion on the notch and an extension portion formed by bending from the main body portion; one end of the spring is fixed on the extension portion, and the other end is fixed on the rotating shaft; And a complete perforation through the projection, the exhaust control valve further includes two bushings respectively positioned in the perforations from the inside out, the shaft passing through the bushing.
作为本发明进一步改进的技术方案，所述阀片包括阀片部以及位于所述阀片部的底部的钢丝绒保护套。As a further improved technical solution of the present invention, the valve piece includes a valve piece portion and a steel wool protection cover at a bottom portion of the valve piece portion.
作为本发明进一步改进的技术方案，所述钢丝绒保护套套接在所述阀片部上，其中所述钢丝绒 保护套设有相对延伸的一对扣持部。As a further improved technical solution of the present invention, the steel wool protection sleeve is sleeved on the valve piece portion, wherein the steel wool protection cover is provided with a pair of oppositely extending fastening portions.
作为本发明进一步改进的技术方案，所述扣持部位于所述阀片部的顶部。As a further improved technical solution of the present invention, the holding portion is located at the top of the valve piece portion.
作为本发明进一步改进的技术方案，每一个扣持部均设有用以将其焊接于所述阀片部的开孔。As a further improved technical solution of the present invention, each of the fastening portions is provided with an opening for welding the valve piece portion.
作为本发明进一步改进的技术方案，每一个衬套包括基部以及收容在所述穿孔中的收缩部。As a further improved technical solution of the present invention, each of the bushings includes a base and a constricted portion received in the perforations.
作为本发明进一步改进的技术方案，所述延伸部呈平板状。As a further improved technical solution of the present invention, the extension portion has a flat shape.
作为本发明进一步改进的技术方案，所述延伸部设有靠近所述壳体的基础部以及远离所述壳体的端部，所述基础部比所述端部宽。As a further improved technical solution of the present invention, the extension portion is provided with a base portion close to the housing and an end portion away from the housing, the base portion being wider than the end portion.
作为本发明进一步改进的技术方案，所述排气控制阀还包括塞在所述弹簧中的钢丝绒。As a further improved technical solution of the present invention, the exhaust control valve further includes steel wool plugged in the spring.
相较于现有技术，本发明通过设置覆盖在所述壳体上的阀盖组件且设置收容衬套的完整的穿孔，转轴只需要设置为贯穿阀盖的主体部，避免转轴与壳体发生装配接触，使得阀盖组件的安装制造可以在壳体外进行，从而简化了其安装制造工艺，降低了成本。Compared with the prior art, the present invention provides a complete perforation of the receiving bushing by providing a valve cover assembly covering the casing, and the rotating shaft only needs to be disposed through the main body of the valve cover to avoid the occurrence of the rotating shaft and the casing. The assembly contact allows the mounting of the bonnet assembly to be carried out outside the housing, thereby simplifying its installation and manufacturing process and reducing costs.
附图说明DRAWINGS
图1是本发明排气控制阀的立体示意图。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of an exhaust gas control valve of the present invention.
图2是图1的俯视图。Figure 2 is a plan view of Figure 1.
图3是图1的主视图。Fig. 3 is a front view of Fig. 1.
图4是图1的部分立体分解图。Fig. 4 is a partially exploded perspective view of Fig. 1;
图5是图4中阀盖组件的立体分解图。Figure 5 is an exploded perspective view of the bonnet assembly of Figure 4.
图6是图5中阀片的立体分解图。Figure 6 is an exploded perspective view of the valve plate of Figure 5.
具体实施方式Detailed ways
请参图1至图6所示，本发明揭示了一种排气控制阀100，可以应用于排气消声器或者排气管中。所述排气控制阀100包括管状的壳体1、覆盖在所述壳体1上的阀盖2、穿过所述壳体1及所述阀盖2的转轴3、固定在所述转轴3上以与所述转轴3一起旋转运动的阀片4、以及与所述转轴3相配合的弹簧5。Referring to Figures 1 to 6, the present invention discloses an exhaust control valve 100 that can be applied to an exhaust muffler or an exhaust pipe. The exhaust control valve 100 includes a tubular housing 1 , a valve cover 2 covering the housing 1 , a rotating shaft 3 passing through the housing 1 and the valve cover 2 , and being fixed to the rotating shaft 3 . A valve piece 4 that rotates together with the rotating shaft 3 and a spring 5 that cooperates with the rotating shaft 3 are mounted thereon.
在本发明图示的实施方式中，所述壳体1设有缺口11，所述阀盖2包括覆盖在所述缺口11上的主体部21以及自所述主体部21折弯形成的延伸部22。所述延伸部22呈平板状。所述延伸部22设有靠近所述壳体1的基础部221以及远离所述壳体1的端部222，所述基础部221比所述 端部222宽，从而使所述延伸部22具备足够的强度。In the illustrated embodiment of the present invention, the housing 1 is provided with a notch 11 , and the valve cover 2 includes a main body portion 21 covering the notch 11 and an extension formed by bending from the main body portion 21 . twenty two. The extension portion 22 has a flat shape. The extension portion 22 is provided with a base portion 221 adjacent to the housing 1 and an end portion 222 away from the housing 1. The base portion 221 is wider than the end portion 222, so that the extension portion 22 is provided Sufficient strength.
所述弹簧5的一端固定在所述延伸部22上，另一端固定在所述转轴3上。One end of the spring 5 is fixed to the extending portion 22, and the other end is fixed to the rotating shaft 3.
在本发明图示的实施方式中，所述主体部21的两侧设有凸起211以及贯穿所述凸起211的完整的穿孔212。所述排气控制阀100还包括由内而外分别定位在所述穿孔212中的两个衬套6。每一个衬套6包括基部61以及收容在所述穿孔212中的收缩部62。所述转轴3穿过所述衬套6。In the illustrated embodiment of the present invention, the main body portion 21 is provided with protrusions 211 on both sides thereof and a complete through hole 212 penetrating the protrusions 211. The exhaust control valve 100 also includes two bushings 6 that are respectively positioned in the bore 212 from the inside out. Each bushing 6 includes a base 61 and a constriction 62 received in the perforation 212. The shaft 3 passes through the bushing 6.
所述阀片4包括阀片部41以及位于所述阀片部41的底部的钢丝绒保护套42。所述钢丝绒保护套42套接在所述阀片部41上，其中所述钢丝绒保护套42设有相对延伸的一对扣持部43。所述扣持部43位于所述阀片部41的顶部。每一个扣持部43均设有用以将其焊接于所述阀片部41的开孔431。所述钢丝绒保护套42用于在阀片4关闭时起到缓冲作用，降低对阀片部41的机械冲击。The valve plate 4 includes a valve piece portion 41 and a steel wool boot 42 at the bottom of the valve piece portion 41. The steel wool boot 42 is sleeved on the valve piece portion 41, wherein the steel wool boot 42 is provided with a pair of oppositely extending latching portions 43. The latching portion 43 is located at the top of the valve piece portion 41. Each of the fastening portions 43 is provided with an opening 431 for welding it to the valve piece portion 41. The steel wool boot 42 serves to cushion the valve sheet 4 when it is closed, and reduces the mechanical impact on the valve portion 41.
组装时，首先，将钢丝绒保护套42套接在所述阀片部41上以形成阀片4；其次，将衬套6定位在对应的穿孔212中，并将转轴3穿过所述衬套6；然后将阀片4固定到所述转轴3上，以形成阀盖组件；然后将阀盖组件安装到壳体1的缺口11中，并使阀盖2覆盖在所述壳体1上，再通过焊接等方式进行固定、密封；最后，将弹簧5中塞入钢丝绒7并将弹簧5的一端固定在所述延伸部22上，另一端固定在所述转轴3上。When assembling, first, the steel wool boot 42 is sleeved on the valve piece portion 41 to form the valve plate 4; secondly, the bushing 6 is positioned in the corresponding through hole 212, and the rotating shaft 3 is passed through the lining a sleeve 6; then the valve plate 4 is fixed to the rotating shaft 3 to form a valve cover assembly; then the valve cover assembly is mounted into the notch 11 of the housing 1 and the valve cover 2 is overlaid on the housing 1 Then, it is fixed and sealed by welding or the like; finally, the spring 5 is inserted into the steel wool 7 and one end of the spring 5 is fixed to the extending portion 22, and the other end is fixed to the rotating shaft 3.
可以理解，本发明通过设置覆盖在所述壳体1上的阀盖组件且设置收容衬套的完整的穿孔，如此设置，转轴3只需要设置为贯穿阀盖2的主体部21，避免转轴3与壳体1发生装配接触，从而易于制造。It can be understood that the present invention is provided by providing a valve cover assembly covering the casing 1 and providing a complete perforation for receiving the bushing. Thus, the rotating shaft 3 only needs to be disposed through the main body portion 21 of the valve cover 2, avoiding the rotating shaft 3 Assembly contact with the housing 1 makes it easy to manufacture.
以上实施例仅用于说明本发明而并非限制本发明所描述的技术方案，对本说明书的理解应该以所属技术领域的技术人员为基础。尽管本说明书参照上述的实施例对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，所属技术领域的技术人员仍然可以对本发明进行修改或者等同替换，而一切不脱离本发明的精神和范围的技术方案及其改进，均应涵盖在本发明的权利要求范围内。The above embodiments are only intended to illustrate the invention and not to limit the technical solutions described in the present invention, and the understanding of the present specification should be based on those skilled in the art. Although the present invention has been described in detail with reference to the embodiments of the present invention, it will be understood by those skilled in the art that the invention may be modified or equivalently substituted without departing from the invention. The spirit and scope of the invention and its modifications are intended to be included within the scope of the appended claims.

Claims (9)

  1. 一种排气控制阀，其包括管状的壳体以及覆盖在所述壳体上的阀盖组件，所述壳体设有缺口，所述阀盖组件包括阀盖、穿过所述阀盖的转轴、固定在所述转轴上以与所述转轴一起旋转运动的阀片以及与所述转轴相配合的弹簧；所述阀盖包括覆盖在所述缺口上的主体部以及自所述主体部折弯形成的延伸部；所述弹簧的一端固定在所述延伸部上，另一端固定在所述转轴上；其特征在于：所述主体部的两侧设有凸起以及贯穿所述凸起的完整的穿孔，所述排气控制阀还包括由内而外分别定位在所述穿孔中的两个衬套，所述转轴穿过所述衬套。An exhaust control valve includes a tubular housing and a valve cover assembly overlying the housing, the housing being provided with a notch, the valve cover assembly including a valve cover, and a valve cover therethrough a rotating shaft, a valve plate fixed on the rotating shaft to rotate together with the rotating shaft, and a spring matched with the rotating shaft; the valve cover includes a main body portion covering the notch and folded from the main body portion An extension formed by bending; one end of the spring is fixed on the extending portion, and the other end is fixed on the rotating shaft; wherein: the two sides of the main body portion are provided with a protrusion and a penetrating through the protrusion A complete perforation, the exhaust control valve further includes two bushings respectively positioned in the perforations from the inside out, the shaft passing through the bushing.
  2. 如权利要求1所述的排气控制阀，其特征在于：所述阀片包括阀片部以及位于所述阀片部的底部的钢丝绒保护套。The exhaust control valve of claim 1 wherein said valve plate includes a valve portion and a steel wool boot at the bottom of said valve portion.
  3. 如权利要求2所述的排气控制阀，其特征在于：所述钢丝绒保护套套接在所述阀片部上，其中所述钢丝绒保护套设有相对延伸的一对扣持部。The exhaust control valve according to claim 2, wherein said steel wool boot is sleeved on said valve portion, and wherein said steel wool boot is provided with a pair of oppositely extending latching portions.
  4. 如权利要求3所述的排气控制阀，其特征在于：所述扣持部位于所述阀片部的顶部。The exhaust control valve according to claim 3, wherein said catching portion is located at a top of said valve piece portion.
  5. 如权利要求4所述的排气控制阀，其特征在于：每一个扣持部均设有用以将其焊接于所述阀片部的开孔。The exhaust control valve according to claim 4, wherein each of the retaining portions is provided with an opening for welding the valve piece portion.
  6. 如权利要求1所述的排气控制阀，其特征在于：每一个衬套包括基部以及收容在所述穿孔中的收缩部。The exhaust control valve of claim 1 wherein each bushing includes a base and a constriction received in said bore.
  7. 如权利要求1所述的排气控制阀，其特征在于：所述延伸部呈平板状。The exhaust control valve according to claim 1, wherein said extending portion has a flat shape.
  8. 如权利要求7所述的排气控制阀，其特征在于：所述延伸部设有靠近所述壳体的基础部以及远离所述壳体的端部，所述基础部比所述端部宽。The exhaust control valve according to claim 7, wherein said extension portion is provided with a base portion adjacent to said housing and an end portion remote from said housing, said base portion being wider than said end portion .
  9. 如权利要求1所述的排气控制阀，其特征在于：所述排气控制阀还包括塞在所述弹簧中的钢丝绒。The exhaust control valve of claim 1 wherein said exhaust control valve further comprises steel wool encased in said spring.
PCT/CN2018/093010 2017-12-22 2018-06-27 Exhaust control valve WO2019119767A1 (en)

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CN201711401276.0A CN109958498A (en) 2017-12-22 2017-12-22 Gas exhausting valve

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Publication number Priority date Publication date Assignee Title
US11274581B2 (en) * 2019-07-26 2022-03-15 Tenneco Automotive Operating Company Inc. Externally mounted in-line exhaust gas valve

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CN102301100A (en) * 2009-02-02 2011-12-28 排放控制技术有限公司 Passive valve assembly with negative start angle
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CN105508059A (en) * 2014-10-09 2016-04-20 丰田自动车株式会社 Valve structure
WO2016126906A1 (en) * 2015-02-04 2016-08-11 Middleville Tool & Die Co. Passive exhaust valve assembly and forming method
US9605581B1 (en) * 2015-12-24 2017-03-28 Middleville Tool & Die Co. Passive exhaust valve with floating spring stop

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090019664A1 (en) * 2007-07-20 2009-01-22 Kwin Abram Square bushing for exhaust valve
CN101583784A (en) * 2007-11-21 2009-11-18 排放控制技术有限公司 Exhaust valve assembly
CN102301100A (en) * 2009-02-02 2011-12-28 排放控制技术有限公司 Passive valve assembly with negative start angle
CN102395821A (en) * 2009-04-16 2012-03-28 田纳科汽车营运公司 Snap action valve with bumper pad
CN104870782A (en) * 2012-12-14 2015-08-26 天纳克汽车经营有限公司 Exhaust valve with resilient spring pad
CN203532007U (en) * 2013-07-15 2014-04-09 江苏大学 Magnetic control acoustic valve
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WO2016126906A1 (en) * 2015-02-04 2016-08-11 Middleville Tool & Die Co. Passive exhaust valve assembly and forming method
US9605581B1 (en) * 2015-12-24 2017-03-28 Middleville Tool & Die Co. Passive exhaust valve with floating spring stop

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