阅读说明：本技术 一种发动机模式选择机构中的密封结构及设计方法 (Sealing structure and design method in a kind of engine mode selection mechanism ) 是由 李斌茂 于 2019-09-12 设计创作，主要内容包括：本发明公开的属于发动机技术领域,具体为一种发动机模式选择机构中的密封结构及设计方法,其包括：密封框架、联动块、推动块和调节阀门,所述密封框架的顶部左侧固定安装有前机匣,所述密封框架的底部固定一体成型有阀门口,所述前机匣和所述密封框架的中部插接所述联动块,所述联动块的左侧固定连接有主动杆,所述联动块的右侧壁固定连接所述推动块,所述推动块的右侧开设有连接孔,所述密封框架的右侧壁固定安装所述调节阀门,所述调节阀门包括连接件、第一连接环、第二连接环和密封板,所述连接件的底部一体成型所述密封板,所述连接件的顶部左侧前后方向固定安装所述第一连接环,该发明简化设计方案,提高密封效果的综合作用。(It is disclosed by the invention to belong to technical field of engines, sealing structure and design method in specially a kind of engine mode selection mechanism, comprising: seal frame, linkage block, pushing block and control valve, the top left side of the seal frame is fixedly installed with front housing, the bottom of the seal frame, which is fixed as one, forms valve port, linkage block described in the middle part grafting of the front housing and the seal frame, driving lever is fixedly connected on the left of the linkage block, the right side wall of the linkage block is fixedly connected with the pushing block, the right side opening of the pushing block is equipped with connecting hole, the control valve is fixedly mounted in the right side wall of the seal frame, the control valve includes connector, first connection ring, second connection ring and sealing plate, the bottom of the connector is integrally formed the sealing plate, before the top left side of the connector First connection ring is fixedly mounted in rear direction, which simplifies design scheme, improve the comprehensive function of sealing effect.)

1. the sealing structure in a kind of engine mode selection mechanism characterized by comprising seal frame (100), linkage block (200), the top left side of pushing block (300) and control valve (400), the seal frame (100) is fixedly installed with front housing (110), the bottom of the seal frame (100), which is fixed as one, forms valve port (120), the front housing (110) and described Linkage block (200) described in the middle part grafting of seal frame (100) is fixedly connected with driving lever on the left of the linkage block (200) (210), the right side wall of the linkage block (200) is fixedly connected the pushing block (300), the right side opening of the pushing block (300) Equipped with connecting hole (310), the control valve (400), the regulating valve is fixedly mounted in the right side wall of the seal frame (100) Door (400) includes connector (410), the first connection ring (420), the second connection ring (430) and sealing plate (440), the connection The bottom of part (410) is integrally formed the sealing plate (440), the fixed peace of the top left side front-rear direction of the connector (410) First connection ring (420) is filled, second connection ring (430), institute is fixedly mounted in the top right side of the connector (410) The second connection ring (430) are stated to rotate and connect with the connecting rod (320) by pivot pin.

2. the sealing structure in a kind of engine mode selection mechanism according to claim 1, which is characterized in that described close Sealing plate (440) is mutually connected with the valve port (120).

3. the sealing structure in a kind of engine mode selection mechanism according to claim 1, which is characterized in that described close Frame (100) are sealed into circular ring shape, the outer wall of the seal frame (100) uniformly installs multiple control valves (400).

4. the sealing structure in a kind of engine mode selection mechanism according to claim 1, which is characterized in that the valve The right side wall on doorway (120) offers sealed groove, and the sealed groove is mutually clamped with the sealing plate (440).

5. a kind of design side of the sealing structure in engine mode selection mechanism according to claim 1-4 Method, it is characterised in that: the design method the following steps are included:

Step 1: the upper seal frame (100), the front housing (110) is fixedly mounted in the surrounding of the front housing (110) The linkage block (200) are clamped between the seal frame (100)；

Step 2: the control valve (400), the adjusting being rotatablely connected by bearing on the right side of the seal frame (100) Valve (400) carries out moving in rotation around pivot pin, and second connection ring (430) passes through the connecting rod (320) and the promotion Block (300) is connected, and pushes the pushing block (300) to be moved to the right using the linkage block (200), controls the tune Save the moving in rotation of valve (400)；

Step 3: the bottom of the seal frame (100), which is fixed as one, forms the valve port (120), the valve port (120) sealed groove is offered on, the sealed groove is mutually clamped with the sealing plate (440)；

Step 4: pushing the linkage block (200), the pushing block (300) and the regulating valve using the driving lever (210) Door (400) movement, using on the control valve (400) the sealing plate (440) with it is close on the valve port (120) Envelope groove matches sealing.

Technical field

The present invention relates to technical field of engines, sealing structure in specially a kind of engine mode selection mechanism and set Meter method.

Background technique

Engine mode selection mechanism is become in circulation aero-engine for realizing inside and outside culvert air mass flow than adjusting Crucial regulating mechanism component.In structure, model selection mechanism is usually located at before flow splitter, i.e., outer to contain flow channel entry point, is used for By-pass air duct is opened or closed, so that engine switches between double ducts and the working cycles of single duct.Work as model selection In the open state, model selection mechanism needs that air-flow is made unobstructed to flow into main duct and outer culvert with design proportion for mechanism Road；And when it is closed, it needs to shut by-pass air duct completely, air-flow is made all to flow into main duct.Its difficult point is no matter it is in Which kind of state, model selection mechanism require to make flow path continuous, complete and keep while adjusting bypass ratio function realizing Good leakproofness, to reduce aerodynamic loss.

Summary of the invention

The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferable realities Apply mode.It may do a little simplified or be omitted to avoid making in this section and the description of the application and the title of the invention The purpose of this part, abstract of description and denomination of invention is fuzzy, and this simplification or omission cannot be used for limiting model of the invention It encloses.

It is asked in view of present in the sealing structure and design method in above-mentioned and/or available engine model selection mechanism Topic, proposes the present invention.

Therefore, the purpose of the present invention is to provide the sealing structures and design method in engine mode selection mechanism, simplify Design scheme improves sealing effect.

In order to solve the above technical problems, according to an aspect of the present invention, the present invention provides the following technical scheme that

Sealing structure and design method in a kind of engine mode selection mechanism comprising: seal frame, linkage block, Pushing block and control valve, the top left side of the seal frame are fixedly installed with front housing, and the bottom of the seal frame is solid It is fixed integrally formed with valve port, linkage block described in the middle part grafting of the front housing and the seal frame, the linkage block Left side is fixedly connected with driving lever, and the right side wall of the linkage block is fixedly connected with the pushing block, the right side opening of the pushing block Equipped with connecting hole, the right side wall of the seal frame is fixedly mounted the control valve, and the control valve includes connector, the The bottom of one connection ring, the second connection ring and sealing plate, the connector is integrally formed the sealing plate, the top of the connector First connection ring is fixedly mounted in front-rear direction on the left of portion, and second connection is fixedly mounted in the top right side of the connector Ring, second connection ring, which is rotated by pivot pin with the connecting rod, to be connect.

A kind of preferred side as sealing structure and design method in engine mode selection mechanism of the present invention Case, in which: the sealing plate is mutually connected with the valve port.

A kind of preferred side as sealing structure and design method in engine mode selection mechanism of the present invention Case, in which: for the seal frame at circular ring shape, the outer wall of the seal frame uniformly installs multiple control valves.

A kind of preferred side as sealing structure and design method in engine mode selection mechanism of the present invention Case, in which: the right side wall of the valve port offers sealed groove, and the sealed groove is mutually clamped with the sealing plate.

A kind of design method of sealing structure in engine mode selection mechanism, it is characterised in that: the design method The following steps are included:

Step: the upper seal frame, the front housing and the sealing frame is fixedly mounted in the surrounding of the front housing The linkage block is clamped between frame；

Step: the control valve is rotatablely connected by bearing on the right side of the seal frame, the control valve encloses Moving in rotation is carried out around pivot pin, second connection ring is connected by the connecting rod with the pushing block, and the linkage is utilized Block pushes the pushing block to be moved to the right, controls the moving in rotation of the control valve；

Step: the bottom of the seal frame, which is fixed as one, forms the valve port, offers on the valve port close Groove is sealed, the sealed groove is mutually clamped with the sealing plate；

Step: pushing the movement of the linkage block, the pushing block and the control valve using the driving lever, utilizes The sealing plate on the control valve matches sealing with the sealed groove on the valve port.

Compared with prior art: the control valve is rotatablely connected by bearing on the right side of the seal frame, it is described Control valve carries out moving in rotation around pivot pin, and second connection ring is connected by the connecting rod with the pushing block, benefit It pushes the pushing block to be moved to the right with the linkage block, controls the moving in rotation of the control valve, simplify design Scheme is easy to implement, and the bottom of the seal frame, which is fixed as one, forms the valve port, is offered on the valve port close Groove is sealed, the sealed groove is mutually clamped with the sealing plate, improves sealing effect.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of embodiment of the present invention, below in conjunction with attached drawing and detailed embodiment The present invention is described in detail, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, right For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings Other attached drawings.Wherein:

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the side view of control valve of the present invention；

Fig. 3 is the top view of control valve of the present invention.

Specific embodiment

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.

Secondly, combination schematic diagram of the present invention is described in detail, when embodiment of the present invention is described in detail, for purposes of illustration only, Indicate that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, herein not The scope of protection of the invention should be limited.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention Mode is described in further detail.

The present invention provides the sealing structure and design method in a kind of engine mode selection mechanism, for simplifying design side Case improves sealing effect, referring to Fig. 1, seal frame 100, linkage block 200, pushing block 300 and control valve 400, described close The top left side of envelope frame 100 is fixedly installed with front housing 110, and the bottom of the seal frame 100, which is fixed as one, forms valve Doorway 120, linkage block 200 described in the middle part grafting of the front housing 110 and the seal frame 100, the linkage block 200 Left side is fixedly connected with driving lever 210, and the right side wall of the linkage block 200 is fixedly connected with the pushing block 300, the pushing block 300 right side opening is equipped with connecting hole 310, and the control valve 400 is fixedly mounted in the right side wall of the seal frame 100, described Control valve 400 includes connector 410, the first connection ring 420, the second connection ring 430 and sealing plate 440, the connector 410 Bottom be integrally formed the sealing plate 440, the top left side front-rear direction of the connector 410 is fixedly mounted described first and connects Ring 420 is connect, second connection ring 430 is fixedly mounted in the top right side of the connector 410, and second connection ring 430 is logical It crosses pivot pin and rotates with the connecting rod 320 and connect.

A kind of preferred side as sealing structure and design method in engine mode selection mechanism of the present invention Case, in which: the sealing plate 440 is connected with 120 phase of valve port.

A kind of preferred side as sealing structure and design method in engine mode selection mechanism of the present invention Case, in which: the seal frame 100 uniformly installs multiple regulating valves at circular ring shape, the outer wall of the seal frame 100 Door 400.

A kind of preferred side as sealing structure and design method in engine mode selection mechanism of the present invention Case, in which: the right side wall of the valve port 120 offers sealed groove, the sealed groove and the 440 phase card of sealing plate It connects.

A kind of design method of sealing structure in engine mode selection mechanism, it is characterised in that: the design method The following steps are included:

Step 1: the upper seal frame 100,110 He of front housing is fixedly mounted in the surrounding of the front housing 110 The linkage block 200 is clamped between the seal frame 100；

Step 2: the control valve 400, the adjusting being rotatablely connected by bearing on the right side of the seal frame 100 Valve 400 carries out moving in rotation around pivot pin, and second connection ring 430 passes through the connecting rod 320 and 300 phase of pushing block Connection, pushes the pushing block 300 to be moved to the right, controls the rotation of the control valve 400 using the linkage block 200 Transfer is dynamic；

Step 3: the bottom of the seal frame 100, which is fixed as one, forms the valve port 120, the valve port 120 On offer sealed groove, the sealed groove is clamped with 440 phase of sealing plate；

Step 4: pushing the linkage block 200, the pushing block 300 and the control valve using the driving lever 210 400 movement is matched using the sealed groove on the sealing plate 440 and the valve port 120 on the control valve 400 Close sealing.

Although hereinbefore invention has been described by reference to embodiment, model of the invention is not being departed from In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing Various features in structural conflict, presently disclosed embodiment can be combined with each other by any way and be made With not carrying out the description of exhaustive to the case where these combinations in the present specification and length and economize on resources merely for the sake of omitting The considerations of.Therefore, the invention is not limited to particular implementations disclosed herein, but including falling into the scope of the claims Interior all technical solutions.