CN205469839U - Mounting structure of electronic shutoff valve of aircraft natural draft system - Google Patents

Abstract

The utility model belongs to aviation life support technology relates to a mounting structure of electronic shutoff valve of aircraft natural draft system, its characterized in that: there is a fastening structure of constituteing by support (5), electronic drive unit connecting screw (6), spacing clamp (7) and support fixing bolt vice (8). The utility model provides a modified mounting structure of electronic shutoff valve of aircraft natural draft system has improved mounting structure's rigidity greatly, and the swing of the electronic shutoff valve of bleed has prevented to bring the harm to the aircraft structure when having avoided aircraft landing or having met air current aircraft bumpiness transshipping, has guaranteed the flight safety.

Description

A kind of mounting structure of aircraft natural ventilation system electronic shutoff valve

Technical field

This utility model belongs to aviation life support technology, relates to shutoff electronic to aircraft natural ventilation system The improvement of the mounting structure of valve.

Background technology

Electronic shutoff valve is typically mounted in the pipe-line system of aircraft natural ventilation system, and its function is control The opening and closing of ventilating system processed, for cutting off the working media in pipeline, current YF type aircraft is natural The mounting structure of ventilating system electronic shutoff valve sees Fig. 1, and the electronic shutoff valve 1 installed is by top Electric drive unit 1a and bottom shutter unit 1b connect composition, before and after electric drive unit 1a Surface is parallel plane, is respectively arranged with 3 screw threads on 3 screwed hole 1c frontal planes on above-mentioned anterior-posterior plane The position of hole 1c and the positional symmetry of 3 screwed hole 1c on back plane, shutter unit 1b has outside cylinder Shape, the bottom of electric drive unit 1a is connected with the middle part of shutter unit 1b, within shutter unit 1b Valve opening is controlled by electric drive unit 1a, near right-hand member on the external cylindrical surface of shutter unit 1b There is an annular draw-in groove 1d position of mouth；The dividing plate 4 of aircaft configuration has an installing hole, electronic After the right output port of shutter unit 1b turning off valve 1 passes above-mentioned installing hole from left to right, soft by one Pipe clip 3 connects with the flexible pipe 2 being positioned at the right, the left port of shutter unit 1b of electronic shutoff valve 1 Connected with the flexible pipe 2 being positioned at the left side by a hose clamp 3.Its shortcoming is: cannot bear electronic pass The weight of disconnected valve, aircraft landing or when running into air-flow air craft battery overload electronic shutoff valve swing will Aircaft configuration brings infringement, and time length is with regard to entail dangers to flight safety.

Summary of the invention

The purpose of this utility model is: propose the aircraft natural ventilation system electronic shutoff valve of a kind of improvement Mounting structure, in order to improve the rigidity of mounting structure, it is to avoid aircraft landing or run into air-flow air craft battery During overload, bleed electronic shutoff valve swings, and prevents from aircaft configuration is brought infringement, it is ensured that flight safety.

The technical solution of the utility model is: the installation of a kind of aircraft natural ventilation system electronic shutoff valve Structure, the electronic shutoff valve 1 installed is by the electric drive unit 1a on top and the shutter unit of bottom 1b connects composition, and before and after electric drive unit 1a, surface is parallel plane, on above-mentioned anterior-posterior plane It is respectively arranged with the position of 3 screwed hole 1c and 3 screwed hole 1c on back plane on 3 screwed hole 1c frontal planes Positional symmetry, shutter unit 1b has a cylindrical configuration, the bottom of electric drive unit 1a and valve list The middle part of unit 1b connects, and the valve opening within shutter unit 1b is controlled by electric drive unit 1a, On the external cylindrical surface of shutter unit 1b, there is an annular draw-in groove 1d position near right output port；At aircraft Having an installing hole on the dividing plate 4 of structure, the right output port of shutter unit 1b of electronic shutoff valve 1 is from a left side After passing above-mentioned installing hole to the right, connected with the flexible pipe 2 being positioned at the right by a hose clamp 3, electricity The left port of dynamic shutter unit 1b turning off valve 1 is by a hose clamp 3 and the flexible pipe being positioned at the left side 2 connections；It is characterized in that: have one by support 5, electric drive unit attachment screw 6, spacing clip 7 and the fastening structure of secondary 8 compositions of bracket fixing bolt；Support 5 be by the parallel clamping plate 5a of front and back 2, The right plate 5b of an one rectangle and flange 5c connects the integrated sheet-metal part formed, 2 clamping plate 5a's Shape is identical, is positioned at that the right hand edge of clamping plate 5a below is vertical with the back edge of right plate 5b to be connected, position Right hand edge in clamping plate 5a above is vertical with the leading edge of right plate 5b to be connected, between 2 clamping plate 5a Away from slightly larger than the distance on surface before and after electric drive unit 1a, electric drive unit 1a is positioned at 2 folders Between plate 5a, clamping plate 5a the most later has 3 bridge screw vias, 3 bridge screw vias Position corresponding, by 3 with the position of 3 screwed hole 1c on electric drive unit 1a rear surface respectively Individual electric drive unit attachment screw 6 will be located in the rear table of clamping plate 5a below and electric drive unit 1a Face is connected as entirety；The clamping plate 5a being positioned at above has 3 bridge screw vias, 3 bridge screws The position of via is corresponding with the position of 3 screwed hole 1c on electric drive unit 1a front surface respectively, logical Cross 3 electric drive unit attachment screws 6 and will be located in clamping plate 5a's above and electric drive unit 1a Front surface is connected as entirety；Right plate 5b has right plate screw via, the right surface of right plate 5b Fit with the left surface of dividing plate 4, dividing plate 4 has and position identical with right plate screw number of vias Corresponding dividing plate screw via, is connected as whole by right plate 5b with dividing plate 4 by bracket fixing bolt pair 8 Body；The flange 5c, flange 5c that have a 90-degree bent to the right in the lower end of dividing plate 4 are the face of cylinder, should The radius on the face of cylinder is equal with the radius of draw-in groove 1d bottom land, after flange 5c passes the flanging bore on dividing plate 4 Reach the cylindrical surface adhesive of the right of dividing plate 4, the lower surface of flange 5c and draw-in groove 1d bottom land, by limit Flange 5c is fixed in draw-in groove 1d by position clip 7.

The utility model has the advantages that: the electronic shutoff of aircraft natural ventilation system proposing a kind of improvement is lived The mounting structure of door, substantially increases the rigidity of mounting structure, it is to avoid aircraft landing or run into air-flow and fly Machine jolt overload time bleed electronic shutoff valve swing, it is therefore prevented that aircaft configuration is brought infringement, it is ensured that Flight safety.

Accompanying drawing explanation

Fig. 1 is the mounting structure schematic diagram of current YF type aircraft natural ventilation system electronic shutoff valve.

Fig. 2 is structural representation of the present utility model.In figure, direction is constant up and down, and in paper, direction is Rear, the outer direction of paper is front.

Fig. 3 is the shaft side figure of this utility model medium-height trestle 5.

Detailed description of the invention

Below this utility model is described in further details.See Fig. 2,3, a kind of aircraft gravity-flow ventilation The mounting structure of system electronic shutoff valve, the electronic shutoff valve 1 installed is by the motorized motions on top Shutter unit 1b of unit 1a and bottom connects composition, and before and after electric drive unit 1a, surface is parallel Plane, above-mentioned anterior-posterior plane is respectively arranged with the position of 3 screwed hole 1c on 3 screwed hole 1c frontal planes Putting and the positional symmetry of 3 screwed hole 1c on back plane, shutter unit 1b has cylindrical configuration, electronic The bottom of driver element 1a is connected with the middle part of shutter unit 1b, the valve opening within shutter unit 1b Controlled by electric drive unit 1a, near the position of right output port on the external cylindrical surface of shutter unit 1b There is an annular draw-in groove 1d；The dividing plate 4 of aircaft configuration has an installing hole, electronic shutoff valve After the right output port of shutter unit 1b of 1 passes above-mentioned installing hole from left to right, by a hose clamp 3 Connecting with the flexible pipe 2 being positioned at the right, the left port of shutter unit 1b of electronic shutoff valve 1 passes through one Hose clamp 3 connects with the flexible pipe 2 being positioned at the left side；It is characterized in that: have one by support 5, electronic drive The fastening structure of secondary 8 compositions of moving cell attachment screw 6, spacing clip 7 and bracket fixing bolt；Support 5 Clamping plate 5a, the right plate 5b of a rectangle parallel by a front and back 2 and flange 5c connects and forms Integrated sheet-metal part, the shape of 2 clamping plate 5a is identical, is positioned at right hand edge and the right side of clamping plate 5a below The back edge of plate 5b vertically connects, and is positioned at the right hand edge of clamping plate 5a above and the leading edge of right plate 5b Vertical connection, the spacing of 2 clamping plate 5a is slightly larger than the distance on surface before and after electric drive unit 1a, electricity Dynamic driver element 1a, between 2 clamping plate 5a, clamping plate 5a the most later has 3 clamping plate spiral shells Nail via, the position of 3 bridge screw vias respectively with 3 screw threads on electric drive unit 1a rear surface The position of hole 1c is corresponding, will be located in clamping plate 5a below by 3 electric drive unit attachment screws 6 It is connected as entirety with the rear surface of electric drive unit 1a；The clamping plate 5a being positioned at above has 3 folders Plate bolt via, the position of 3 bridge screw vias respectively with electric drive unit 1a front surface on 3 The position of screwed hole 1c is corresponding, will be located in clamping plate above by 3 electric drive unit attachment screws 6 The front surface of 5a and electric drive unit 1a is connected as entirety；Right plate 5b has right plate screw mistake Hole, the right surface of right plate 5b and the left surface laminating of dividing plate 4, have and right plate screw on dividing plate 4 The dividing plate screw via that number of vias is identical and position is corresponding, by bracket fixing bolt pair 8 by right side Plate 5b and dividing plate 4 are connected as entirety；The flange 5c of a 90-degree bent to the right is had in the lower end of dividing plate 4, Flange 5c is the face of cylinder, and the radius on this face of cylinder is equal with the radius of draw-in groove 1d bottom land, and flange 5c passes The right of dividing plate 4, the lower surface of flange 5c and draw-in groove 1d bottom land is reached after flanging bore on dividing plate 4 Cylindrical surface adhesive, is fixed on flange 5c in draw-in groove 1d by spacing clip 7.

Operation principle of the present utility model is: the effect of support 5 be electronic shutoff valve 1 is fixed to every On plate 4, i.e. by support 5, electronic shutoff valve 1 is fixed on aircaft configuration.The work of spacing clip With being by together with fixing for the flange 5c of the draw-in groove 1d of electronic shutoff valve 1 and support 5, pass through both Electronic shutoff valve 1 can be firmly fixed on aircaft configuration by Fixed Design, can prevent twisting and swing, Avoid damage to aircaft configuration.

An embodiment of the present utility model, has carried out installation test on YF type aircraft, through proof of taking a flight test, Substantially increase the rigidity of mounting structure, it is to avoid aircraft landing or draw when running into air-flow air craft battery overload The dynamic valve that turns off of pneumoelectric swings, it is therefore prevented that aircaft configuration is brought infringement, it is ensured that flight safety.

Claims (1)

1. a mounting structure for aircraft natural ventilation system electronic shutoff valve, the electronic shutoff installed Valve (1) is connected by the shutter unit (1b) of the electric drive unit (1a) on top and bottom and forms, and electronic drives Before and after moving cell (1a), surface is parallel plane, is respectively arranged with 3 screwed holes (1c) on above-mentioned anterior-posterior plane On frontal plane, the position of 3 screwed holes (1c) and the positional symmetry of 3 screwed holes (1c) on back plane, live Gate cell (1b) has the middle part of cylindrical configuration, the bottom of electric drive unit (1a) and shutter unit (1b) Connecting, the valve opening of shutter unit (1b) inside is by the control of electric drive unit (1a), at valve list On the external cylindrical surface of unit (1b), there is an annular draw-in groove (1d) position near right output port；At aircaft configuration Dividing plate (4) on have an installing hole, the right output port of the shutter unit (1b) of electronic shutoff valve (1) is from a left side After passing above-mentioned installing hole to the right, connected with the flexible pipe (2) being positioned at the right by a hose clamp (3), The left port of the shutter unit (1b) of electronic shutoff valve (1) is passed through a hose clamp (3) and is positioned at the left side Flexible pipe (2) connection；It is characterized in that: have one by support (5), electric drive unit attachment screw (6), The fastening structure that spacing clip (7) and bracket fixing bolt secondary (8) form；Support (5) is to be put down by front and back 2 The clamping plate (5a) of row, the right plate (5b) of a rectangle and a flange (5c) connect the integrated sheet-metal formed Part, the shape of 2 clamping plate (5a) is identical, is positioned at right hand edge and the right plate (5b) of clamping plate (5a) below Back edge vertically connect, be positioned at the right hand edge of clamping plate (5a) above and the front marginal lappet of right plate (5b) Direct-connected connecing, the spacing of 2 clamping plate (5a) is slightly larger than the distance on surface before and after electric drive unit (1a), electricity Dynamic driver element (1a) is positioned between 2 clamping plate (5a), and clamping plate (5a) the most later have 3 folders Plate bolt via, the position of 3 bridge screw vias respectively with electric drive unit (1a) rear surface on 3 The position of screwed hole (1c) is corresponding, will be located in folder below by 3 electric drive unit attachment screws (6) Plate (5a) is connected as entirety with the rear surface of electric drive unit (1a)；It is being positioned on clamping plate above (5a) Have 3 bridge screw vias, the position of 3 bridge screw vias respectively with electric drive unit (1a) front table On face, the position of 3 screwed holes (1c) is corresponding, be will be located in by 3 electric drive unit attachment screws (6) Clamping plate (5a) above are connected as entirety with the front surface of electric drive unit (1a)；On right plate (5b) There is the left surface laminating of right plate screw via, the right surface of right plate (5b) and dividing plate (4), in dividing plate (4) On have identical with right plate screw number of vias and that position is corresponding dividing plate screw via, solid by support Determine bolt pair (8) and right plate (5b) and dividing plate (4) are connected as entirety；Have in the lower end of dividing plate (4) one to The flange (5c) of right 90-degree bent, flange (5c) is the face of cylinder, the radius on this face of cylinder and draw-in groove (1d) groove The radius at the end is equal, and flange (5c) reaches the right of dividing plate (4) after passing the flanging bore on dividing plate (4), turn over The lower surface on limit (5c) and the cylindrical surface adhesive of draw-in groove (1d) bottom land, by spacing clip (7) by flange (5c) It is fixed in draw-in groove (1d).