CN104081604B - From indexable nutplate - Google Patents

Abstract

Aircraft includes auxiliary support structure and engages the nutplate of auxiliary support structure.The nutplate includes at least one locator projection, and the locator is raised to engage the mounting hole in auxiliary support structure to constrain nutplate moving along auxiliary support structure.The nutplate further comprises the device for extraly constraining movement of the nutplate away from auxiliary support structure.

Description

From indexable nutplate

Background technology

Pull bar and other auxiliary support structures are normally used for the cable bundle management of commercial aircraft.Typical pull bar includes The thin standard size component of mounting hole with the repeat pattern separated by bonding land.

The pull bar can be fixed to main Flight Vehicle Structure.Cable support hardware such as p-shaped folder and circular column are fastened to described Pull bar, and cable bundle is fixed to cable support hardware.

Circular column can be secured to pull bar as described below.Circular column is positioned on the front side of pull bar.Circular column The selection apertures in alignment of the end of thread and pull bar.The end of thread of circular column is manipulated the hole by selection, until screw thread appears in drawing On the back side of bar.Loose pad and nut is placed on the end of thread of circular column and is threadedly coupled to the screw thread of circular column On end.Nut is tightened with hand-operated tools, until against pull bar firm grip.The process repeats for each circular column.

Desirably number of parts and the set-up time by cable support hardware attachment to pull bar are reduced.Due to flying in commercialization A large amount of tightening operations on auxiliary support structure in row device, even apparently inappreciable single nut and pad Reduce, it may have notable meaning.

The content of the invention

According to this paper one embodiment, aircraft includes auxiliary support structure and engages the nut of auxiliary support structure Plate.Nutplate includes that at least one locator is raised, and it engages the mounting hole in auxiliary support structure to constrain nutplate along auxiliary Help the movement of supporting construction.Nutplate further comprises for extraly constraining movement of the nutplate away from auxiliary support structure Device.

According to this paper another embodiment, equipment includes pull bar and nutplate, and pull bar includes the peace with alternate mode Fill the surface of hole and bonding land, nutplate engagement pull bar.The nutplate is included with mounting surface and enterable from mounting surface The main body of internal thread drilling, the mounting surface contact with pull bar；It is at least one raised from mounting surface extension, each raised engagement peace One in hole is filled to constrain nutplate moving along pull bar；And for engaging pull bar with the cooperation without installation hardware In the case of constrain movement of the nutplate away from pull bar device.

According to this paper another embodiment, nutplate is configured to engage thin standard size component, the thin standard size structure The pedestal of part has equidistant holes and the bonding land of a kind of pattern.The nutplate includes with mounting surface and can entered from mounting surface Internal thread drilling main body；The locator of one for being configured to from the mounting surface extend and enter in mounting hole is raised；With And the main body and the first and second elastic finger tab to stretch out from the main body are stretched in a cantilever fashion.It is described The return flange (return flange) that protuberance is configured to releasably engage the component is remote described to constrain nutplate The movement of pedestal.

These features and function can independently be realized or can combined in other embodiments in various embodiments. The further details of the embodiment may be referred to description below and accompanying drawing obtains.

Brief description of the drawings

Fig. 1 is the diagram of aircraft.

Fig. 2A and 2B is the diagram of the conduit cable bundle in the fuselage of aircraft.

Fig. 3 is the diagram from indexable nutplate of pull bar and first embodiment.

Fig. 4 A-4D are the diagrams from indexable nutplate of first embodiment.

Fig. 5 is the diagram of installation and the method from indexable nutplate using first embodiment.

Fig. 6 A-6E are the diagrams from indexable nutplate of the first embodiment in each stage of installation.

Fig. 7 A are comprising two side walls, sidewall spacers lid, from indexable nutplate and with for installing side wall gap cover Slot like aperture pattern support component diagram.

Fig. 7 B are from indexable nutplate and the diagram of support in Fig. 7 A.

Fig. 7 C are the cross-sectional views of Fig. 7 B nutplate.

Fig. 8 A and 8B are the diagrams from indexable nutplate of second embodiment.

Fig. 9 A are the diagrams for the method from indexable nutplate that second embodiment is installed on the pull bar with return flange.

Fig. 9 B-9D are the diagrams from indexable nutplate of the second embodiment engaged with the pull bar with return flange.

Figure 10 is the diagram for all types of installation hardware from indexable nutplate that can be fastened to second embodiment.

Figure 11 A and 11B are the diagrams from indexable nutplate of 3rd embodiment.

Figure 12 A and 12B are comprising support, from indexable nutplate and the diagram of the component of push-in type fastener.

Figure 13 is the general diagram from indexable nutplate.

Embodiment

With reference to figure 1, which illustrate aircraft 100 and include fuselage 110, wing components 120, empennage 130 and undercarriage group Part 140.Jet engine 150 is installed to wing components 120.

Aircraft 100 further includes cable-assembly and conduit assembly.Cable-assembly includes and is attached to auxiliary support structure Such as the cable bundle of pull bar.Conduit assembly includes the pipeline for being attached to auxiliary support structure such as combined pipeline and pull bar.These are auxiliary Supporting construction is helped to be located in fuselage 110 and wing components 120.

With reference now to Fig. 2A, some conduit cable bundles 210,220 and 230 in aircraft fuselage 110 are which illustrated. Framework compartment conduit cable bundle 210 is located between the framework 112 of fuselage 110.Top conduit cable bundle 220 extends through machine The framework 112 of body 110.Floor conduit cable bundle 230 is located under the floor 114 of fuselage 110, and extends past somely Plate-girder 116.Floor conduit cable bundle 230 supports small pipeline 232.

Additional reference Fig. 2 B, it show in more detail a part for top conduit cable bundle 220 very much.In beam 220 Cable 222 is clamped to pull bar 240.Pull bar 240 and then framework 112 is fixed to by support 250.

Pull bar 240 can be the thin standard size component of the mounting hole with the engaged repeat pattern distinguished.For example, Pull bar 240 can have the mounting hole of the equally spaced preboring orifice pattern distinguished by engagement.

With reference to figure 13, which illustrate for cable support hardware to be fastened into auxiliary support structure as pull bar 240 Property from indexable nutplate 1310.Each nutplate 1310 includes at least one locator projection 1312.Each locator is raised 1312 engage one of mounting hole in auxiliary support structures to constrain the moving along auxiliary support structure of nutplate 1310.Nutplate 1310 further include the device 1314 for being used for extraly constraining movement of the nutplate 1310 away from auxiliary support structure.

Fig. 3 illustrates the first embodiment from indexable nutplate 340.Nutplate 340 is engaged and is locked into pull bar 310 Position, therefore the internal thread drilling in nutplate 340 is alignd with the mounting hole 320 in pull bar 310.In installation such as circular column Before the fastener hardware such as 350 or p-shaped folder 360 (it keeps cable bundle or pipeline), nutplate 340 engages with pull bar 310.It Afterwards, the threaded stud 352 of circular column 350 or p-shaped folder bolt 362 may be inserted into the mounting hole 320 and spiral shell by pull bar 310 Precession enters in the drilling of nutplate 340.Cable bundle (not shown) can be after circular column 350 be threaded into nutplate 340 It is attached to circular column 350.When p-shaped folder bolt 362 is threaded into nutplate 340, cable bundle or pipeline (not shown) can lead to P-shaped folder 360 is crossed to keep.

With reference to figure 4A and 4B, its be illustrated in greater detail first embodiment from indexable nutplate 340.The nutplate 340 Comprising extending to the installation surface 420 with flat mounting surface 420 and the main body of internal drilling 450 410, internal drilling 450.Drilling 450 can have the female thread portion 460 for jointing fastener hardware (e.g., circular column 350).In certain embodiments, spiral shell Line part 460 can be full thread metal insert.

Nutplate 340 further comprises the first and second mounting posts (locator is raised) 430 extended from installation surface 420 With 440.Mounting post 430 and 440 can be orthogonal to installation surface 420.Each mounting post 430 and 440 has undercut portion U. In some embodiments, post 430 and 440 all terminates in ring cap 435 and 445 (restraint device), and the ring cap has than post 430 With 440 bigger cross sections.In those embodiments, each undercut portion U is by cap 435 or 445, post 430 or 440 and installation Define on surface 420.

Post 430 and 440 is on the opposite side of drilling 450.Drilling 450 deviate posts 430 and 440 up to offset or dish (that is, with One post 430 is compared, and drilling 450 is closer to another post 440).When the undercut portion U of post 430 and 440 engages pull bar 310 During bonding land (that is, when nutplate 340 engages pull bar 310), offset or dish makes drilling 450 and the hole 320 in pull bar 310 right Together.

Nutplate 340 further comprises the locking component 470 being hinged by the autonomous agent 410 of spring lever 480.Spring lever 480 Being capable of moving locking member 470 between the locked and unlocked positions.Locking component 470 can be by pulling up spring The release of bar 480 grasps flange 482 and shunk.The shrinkage characteristic is gratifying, because it allows the nutplate 340 of dislocation It is relocated, and it allows nutplate 340 to discharge and be used again from pull bar 310.

In certain embodiments, main body 410, post 430 and 440, cap 435 and 445 and locking component 470 and spring lever 480 are all made of plastics.The main body 410 can include the boss around full thread metal insert molding.

With reference now to Fig. 4 C, the nutplate 340 for being locked to pull bar 310 is which illustrated.Fig. 4 C illustrate the following of pull bar 310 Feature：First bonding land 311, the first hole 312, the second bonding land 313, the second hole 314, the 3rd bonding land 315, the 3rd hole 316 And the 4th bonding land 317.

When post 430 and 440 abuts the first bonding land 311 and three bonding lands 315 of pull bar 310, nutplate 340 engages Pull bar 310.Nutplate 340 is by being inserted into locking component 470 in the 3rd hole 316 to occupy the bonding land 317 of post 440 and the 4th Between space and be locked into pull bar 310.Pass through the nutplate 340 so locked, drilling 450 and the pull bar 310 of nutplate 340 In the second hole 314 align.

With reference now to Fig. 4 D, it is the cross-sectional view of 4D-4D along Fig. 4 B.In certain embodiments, post 430 and 440 can With the shape of cross section with ellipse.In addition, post 430 and 440 is preferably solid.This geometry allows the He of post 430 440 bear when fastener (e.g., circular column stud 352) is screwed onto caused shearing force in nutplate 340.

Post 430 and 440 is more more excellent than traditional pin barb.Post 430 and 440 has bigger than traditional pin barb Cross-sectional area, and be more suitable for handling bigger torque load (this can occur when fastener is threaded into nutplate 340). Post 430 and 440 also has bigger ledge surface product and can resist bigger axial load.Therefore, post 430 and 440 is less It may depart from from pull bar 310 and discharge nutplate 340.On the contrary, pin barb tends to fall in and disengaging.

With reference now to Fig. 5 and Fig. 6 A-6E, the method that nutplate 340 is installed on auxiliary support structure 610 is which illustrated. Three holes of supporting construction 610 will be used by nutplate 340.

With reference to the frame 510 and Fig. 6 A of figure 5, nutplate 340 is held with a hand and is positioned at the surface of supporting construction 610 On.The post 430 and 440 of nutplate 340 aligns with the first hole 620 of supporting construction 610 and the second hole 630.

With reference to the frame 520 and Fig. 6 B of figure 5, the first and second mounting posts 430 and 440 are by firmly pressing (in the direction of arrow On) by the first hole 620 and the second hole 630, until the installation surface of nutplate 340 contacts with supporting construction 610.Now, it is interior The central axis of drilling 450 does not align with center (the 3rd) hole 640.In addition, spring lever 480 shrinks upwards.The He of mounting post 430 440 undercut portion does not engage supporting construction 610 (equally seeing Fig. 6 C).

With reference to the frame 530 and Fig. 6 D of figure 5, the forward slip in the directions of the arrows of nutplate 340, until each mounting post 430 and 440 abut bonding land 615 and 625.Now, the drilling 450 in nutplate 340 is alignd with centre bore 640.Therefore, nut Plate 340 is from indexing.

Undercut portion in mounting post 430 and 440 can the somewhat broader or narrower specification in supporting construction 610.One In a little embodiments, the gap can be somewhat narrower, therefore cap 445 is deflected outward by bonding land 625 and works as the quilt of nutplate 340 It is overlapped on when push-in is to engage on bonding land 625.

At Fig. 5 frame 540, nutplate 340 is locked into place.Spring lever 480, which is pressurized, promotes locking component 470 Into in the space between the second mounting post 430 and rear bonding land 635.When locking component 470 is snapped on hole 630, can listen See the sound of such as " click ".The audible sound provides extra input to setter, i.e., the nutplate 340 is rightly Engage supporting member 610.

The rear surface 442 of second mounting post 440 can be flattened, to coordinate with locking component 470 (Fig. 6 E).The locking Component 470 prevents nutplate 340 from being moved along supporting construction 610.Cap 435 and 445 prevents the nutplate 340 of engagement from being tied from support Extracted in structure 610.

In Fig. 5 frame 550, fastener is installed in nutplate 340.The process can be entered immediately after nutplate installation Row is carried out later.

Nutplate 340 is not restricted to pull bar and similar auxiliary support structure.For example, nutplate 340 can be used for via Sidewall spacers lid is installed to sidewall panel by the auxiliary support structure such as support.

With reference now to Fig. 7 A, two adjacent sidewall panels 710,712 and the gap 714 between them are which illustrated. Fig. 7 A also illustrate that the support 730 of the lid 720 for coverage gap 714, lid installation fastener 740 and correlation.

Additional reference Fig. 7 B, sidewall spacers lid 720 are installed to support 730, and the support has by the first and second rectangles The specific slit pattern that slit 732 and 734 and opening (e.g., hole or parallel slot) 736 between the two form.Nutplate 700 Including the first and second posts 702 and 704 with rectangular cross section (Fig. 7 C).Nutplate 700 can be by the way that post 702 and 704 be inserted Enter into rectangular slot 732 and 734 and in the direction of the arrow travelling nut plate 700 and be attached to support 730.Locking component The space being inserted into after 706 between second post 704 and afterbody bonding land.In the latched position, the drilling 708 of nutplate with Opening 736 in mounting bracket 730 is alignd.After nutplate 700 is locked into mounting bracket 730, traditional threaded fastener 740 or circular column can be screwed in nutplate 700.

With reference now to Fig. 8 A and 8B, the second embodiment from indexable nutplate 810 is which illustrated.The second of nutplate 810 Embodiment is configured to pull bar of the engagement with return flange.Nutplate 810 includes the He of main body 820 with flat mounting surface 830 Extend to the internal drilling 840 of installation surface 830.Drilling 840 can have the female thread portion for jointing fastener hardware.

Nutplate 810 is further comprising the boss (locator is raised) 850 to stretch out from installation surface 830.The boss 850 with the co-axially align of internal drilling 840.As described below, boss is configured to constrain nutplate moving along the surface of pull bar.

Nutplate 810 is further comprising the first and second elastic finger tab 860 and remote for constraining nutplate 810 The cross bar 870 of the movement of pull bar.First and second elastic finger tab 860 be stretched in cantilever fashion main body 820 and from this One end of main body 820 stretches out.Protuberance 860 is configured to be releasably engaged the return flange of pull bar.Cross bar 870 is located at main body 820 opposite end and extend transversely through main body 820.

Extraly with reference to figure 9A, the method that nutplate 810 is installed on the pull bar 900 with return flange 902 is which illustrated. In step 950, nutplate 810 is placed on the surface 904 of pull bar 900 sidewards, wherein cross bar 870 contacted with surface 904 and Along the machine-direction oriented of pull bar 900.In step 960,90 degree of 810 rotate counterclockwise of nutplate, until cross bar 870 extends past pull bar 900 width.

In step 970, when nutplate 810 is rotated down towards pull bar surface 904, elastic finger tab 860 by Interior pressing.Position of the adjustment along the nutplate 810 of pull bar 900, until boss 850 engages pull bar mounting hole, (mounting hole is in Figure 10 In be best shown).Boss 850 is configured to be snugly fit inside in mounting hole.After step 970 is completed, nutplate main body 820 Installation surface 830 flushed against pull bar surface 904.

In step 980, elastic protrusion part is released, therefore protuberance 860 engages return flange 902.Boss 850 constrains nut Plate 810 moves along pull bar 900, and protuberance 860 and cross bar 870 constrain movement of the nutplate 810 away from pull bar 900.At this Under kind mode, nutplate 810 engages before being engaged with fastener hardware with pull bar 900.

Fig. 9 B are another diagrams of the nutplate 810 engaged with pull bar 900.Fig. 9 C are nutplate 810 and the edge of pull bar 900 Fig. 9 B line 9C-9C diagram, the figure illustrates the return flange 902 of elastic finger tab 860 engagement pull bar 900.Vertically Stop block and multistage groove 865 accommodate the margin of tolerance of the internal height of return flange 902.

Fig. 9 D are the diagrams of the nutplate 810 and pull bar 900 along Fig. 9 B line 9D-9D.Cross bar 870 is against pull bar 900 Return flange 902.

Figure 10 illustrates that various types of installations of pull bar 900 can be fixed to by being fastened to nutplate 810 hard Part.Installation hardware includes but is not limited to, p-shaped folder 1010, circular column 1020 and bracket 1030.

With reference now to Figure 11 A and Figure 11 B, the figure illustrates the 3rd embodiment from indexable nutplate 1110.It is real with second Apply that example is similar, the master with flat mounting surface 1130 and internal drilling 1140 is included from the 3rd embodiment of indexable nutplate 1110 Body 1120.Nutplate 1110 further comprise being stretched in cantilever fashion main body 1120 and in a first direction from main body 1120 to First and second elastic finger tab 1150 of outer extension.First and second protuberances 1150 are configured to be releasably engaged drawing The return flange of bar.

Different from second embodiment, the 3rd embodiment of nutplate 1110 include the first and second locator pins 1170 without It is boss.Locator pins 1170 are configured to engage two mounting holes of pull bar, and thus constrain nutplate 1110 along pull bar table The movement in face.When locator pins 1170 engage mounting hole, internal drilling 1140 (connects with another mounting hole in pull bar at two Between conjunction hole) alignment.

Different from second embodiment, the 3rd embodiment of nutplate 1110 includes dashing forward instead of the third and fourth elasticity of cross bar Go out portion 1160.These extra elastic protrusion parts 1160 be stretched in a cantilever fashion main body 1120 and with first direction phase Stretch out in anti-second direction from main body 1120.Third and fourth protuberance 1160 is also configured as being releasably engaged drawing The return flange of bar.

Each protuberance 1150 and 1160 includes vertical stop block and multistage groove.They contain the internal height of return flange The margin of tolerance.

In order to install the nutplate 1110 of 3rd embodiment, the first and second protuberances 1150 are pressed inwardly, and the Three and the 4th protuberance 1160 is pressed inwardly.Nutplate 1110 is positioned on the open slot of pull bar, and then quilt It is reduced in slit.Locator pins 1170 are positioned in mounting hole, and then protuberance 1150 and 1160 is released.Nut Plate 1110 engages before being engaged with fastener hardware with pull bar now.

Nutplate in this had both been not restricted to circular column and other cable support hardware, was also not restricted to screw threads for fastening Part.For example, nutplate in this can be used together with push-in type fastener.

With reference to figure 12A and 12B, the figure illustrates component 1210, it includes support 1220, from indexable nutplate 1230 and Push-in type fastener 1240.Support 1220 can have the flute profile hole pattern for being used for installing nutplate 1230.Push-in type fastener 1240 can be used for such as fastening p-shaped folder 1250 to arrive support 1220.The internal drilling 1235 of nutplate 1230 can be smooth and can With non-threaded construction for engaging push-in type bar, as shown in Figure 12 B.In other embodiments, internal drilling can be constructed Screw thread is for push-in type fastener.

Nutplate in this provides some advantages relative to traditional nut and pad.Nutplate in this can be It is mounted in the case that fastener hardware such as circular column need not be installed.Independent installation reduces production procedure and allows module Change.An example is only used as, multiple nutplates in this are pre-mounted on pull bar to form conduit cable bundle module.By electricity Spool cable bundle is pre-assembled to the time of contact of setter in the cable bundle installation process reduced in module in aircraft.Peace It is more more effective than installing single cable to fill cable bundle module.

Nutplate in this from indexing.When nutplate engages auxiliary support member, in its drilling and supporting construction Hole alignment.Set-up time is reduced.

Moreover, installation nutplate does not need any instrument.Skilled craft is not needed pad is slided on fastener And by nut rotation to fastener.The visible sight at the back side of auxiliary support structure need not be reached.Nutplate in this It is simply pushed into auxiliary support structure, overlaps in place and be locked into place.

Nutplate in this has the lower member different from traditional nut and pad.Except terminating fastener, nut Plate also eliminates the needs of pad.

The saving of time and cost may look like inappreciable as caused by this paper single nutplate.But In view of the total quantity of the tightening operation in commercial aircraft, the total amount of saving can be sizable.

The disclosure relates in one aspect to a kind of aircraft, and it includes auxiliary support structure and engagement with standard-sized auxiliary Help the nutplate 340,700,810,1110,1230,1310 of supporting construction.Nutplate 340,700,810,1110,1230,1310 It is raised comprising at least one locator, its engage mounting hole 314 in auxiliary support structure, 316,320,620,630,732, 734 to constrain the moving along auxiliary support structure of nutplate 340,700,810,1110,1230,1310.Nutplate 340,700, 810th, 1110,1230,1310 also include for extraly constraining nutplate 340,700,810,1110,1230,1310 away from auxiliary Help the device of the movement of supporting construction.

In an example of aircraft 100, auxiliary support structure includes pull bar 240,310,900, and nutplate 340th, 700,810,1110,1230,1310 is restrained in the case of without using installation hardware.

In a variant, aircraft 100 is also included and is fastened in nutplate 340,700,810,1110,1230,1310 Installation hardware 740,840,850,1010,1020,1030,1240,1250.

One replace in, aircraft 100 also include by installation hardware 740,840,850,1010,1020,1030, 1240th, 1250 cable bundle 210,220,230 carried.

In another example, aircraft 100 also include by installation hardware 740,840,850,1010,1020,1030, 1240th, the pipeline 232 of 1250 supports.

In another variant of aircraft 100, nutplate 340,700,810,1110,1230,1310 is included with interior The main body 410,820,1120 of threaded bore 450,460,708,840,1140,1235.

In another replacement of aircraft 100, main body 410,820 has the installation surface against auxiliary support structure 420、830.At least one locator it is raised comprising the first and second pillars 430,440,702,704 and locking component 470, 706.First and second pillars 430,440,702,704 extend from installation surface 420,830 and by including pull bar 240,310 Auxiliary support structure in corresponding mounting hole 314,316,320,620,630,732,734.Locking component 470,706 occupies Space between pillar 430,440,702, one of 704 and bonding land 313,315,317,330,615,625,635.Constrain nut The device of movement of the plate away from auxiliary support structure is included in the undercut portion U in each pillar 430,440,702,704.

In another example of aircraft 100, drilling 450,460,708 deviate the first and second pillars 430,440, 702nd, 704 1 segment distance so that drilling 450,460,708 with auxiliary support structure in mounting hole 314,316,320,620, 630th, 732, one of 734 alignment.

In another variant of aircraft 100, first against bonding land 313,315,317,330,615,625,635 Part with the second pillar 430,440,702,704 is solid and with the cross section of ellipse.

In another replacement of aircraft 100, locking component 470,706 is elastic, and is hinged to main body 410th, 820, therefore locking component 470,706 is contractile.

In another example of aircraft 100, each first and second pillar 430,440,702,704 is in expansion Terminated in cap 435,445.The cap and installation surface 420,830 form undercut portion U, and undercut portion U compares Auxiliary support The standard size of structure is narrow, wherein when nutplate 340,700,1230,1310 is promoted to be engaged with auxiliary support structure, expands Big cap 435,445 is snapped on one in bonding land 313,315,317,330,615,625,635.

In another variant of aircraft 100, pull bar 900 has return flange 902, and constrains nutplate away from auxiliary The device of the movement of supporting construction includes and is stretched over main body 820,1120 in cantilever fashion and stretches out from main body 820,1120 The first and second elastic finger tab 860,1150, the protuberance is releasably engaged return flange 902.

In another replacement of aircraft 100, the device of constraint movement of the nutplate away from auxiliary support structure enters one Step includes the bar 870 that main body 820 is relatively attached to elastic finger tab 860.Bar 870 extends past installation surface 830, The opposite end of bar 870 is located under return flange 902.

In another example of aircraft 100, the device of constraint movement of the nutplate away from auxiliary support structure enters one Step includes the third and fourth elasticity for being stretched over main body 1120 in cantilever fashion and the other end from main body 1120 stretches out Finger tab 1160, the third and fourth elastic finger tab 1160 are releasably engaged return flange 902.

Another aspect of the present disclosure is related to a kind of equipment, and the equipment includes the pull bar 240,310,900 with surface 904, The surface 904 have the mounting hole 320 of alternate mode, bonding land 330 and engage pull bar 240,310,900 nutplate 340, 700、810、1110、1230、1310.Nutplate 340,700,810,1110,1230,1310 include with installation surface 420, 830th, 1130 and 450,460,708,840,1140,1235 are drilled from installation surface 420,830,1130 enterable internal threads Main body 410,820,1120.The installation surface contacts with pull bar 240,310,900.Nutplate also includes at least one projection, It extends from installation surface 420,830,1130.One in each raised engagement mounting hole 320 with constrain nutplate 340, 700th, 810,1110,1230,1310 moving along pull bar 240,310,900.Nutplate further comprise engage pull bar 240, 310th, 900 is remote to constrain nutplate 340,700,810,1110,1230,1310 in the case where being fitted without the cooperation of hardware The device of the movement of pull bar 240,310,900.

In an example of the equipment, pull bar 900 has return flange 902, and constrains nutplate away from pull bar Mobile device includes first and for being stretched over main body 820,1120 in cantilever fashion and stretching out from main body 820,1120 Two elastic finger tab 860,1150.First and second elastic finger tab 860,1150 are configured to be releasably engaged back Oiled-plate method 902.

Another aspect of the present disclosure is related to nutplate 810,1110,1230,1310, and the nutplate, which is configured to engagement, to be had The thin standard size component 900 of pedestal and return flange 902.The pedestal has the hole and bonding land of alternate mode.Nutplate 810th, 1110,1230,1310 include with installation surface 830,1130 and from 830, the 1130 enterable interior spiral shell of installation surface The main body 820,1120 of line drilling 840,1140；It is configured to extend and enter one of mounting hole from installation surface 830,1130 Locator projection 850,1170；And main body 820,1120 is stretched in cantilever fashion and from the main body 820,1120 to extension The the first and second elastic finger tab 860,1150 stretched.First and second elastic finger tab 860,1150 are configured to Return flange 902 is releasably engaged to constrain movement of the nutplate 810,1110,1230,1310 away from pedestal.

In one example, nutplate 810 also includes and is attached to main body 820 and the bar relative with finger tab 860 870.Bar 870 extends past installation surface 830 and the opposite end of bar 870 is located under return flange 902.

In a variant, nutplate 1110 also comprising being stretched over main body 1120 and from the opposite side of main body in cantilever fashion 1120 the third and fourth elastic finger tab 1160 to stretch out.The third and fourth elastic finger tab 1160 is matched somebody with somebody It is set to and is releasably engaged return flange 902.

Term " example ", " variant " and " replacement " above is interchangeably used.

This paper nutplate is not exclusively for aircraft.Other application includes but is not limited to：Sea-freight, automobile and electronics production Product.

Claims (9)

1. a kind of component, it includes：

Nutplate, the nutplate engagement have standard-sized auxiliary support structure, and the nutplate includes：

Main body, the main body have the installation surface against the auxiliary support structure and limit internal thread drilling；

At least one locator is raised, and the locator projection is bonded on the mounting hole in the auxiliary support structure to constrain State nutplate along the auxiliary support structure moving in a first direction；

Wherein described at least one locator is raised to include the first pillar and the second pillar, and these pillars prolong from the installation surface Stretch and pass through the respective aperture in the auxiliary support structure, and the pillar is included in first pillar and described second Undercut portion of the post in each, the undercut portion are operable to constrain the nutplate different from the first direction Movement in second direction；And

Locking component, the locking component occupy the sky of one of first pillar and second pillar between bonding land Between, the locking component includes being stretched over the first end of the main body, the second free end in cantilever fashion and is connected to described Second free end and the release grip part to stretch out from the locking component, the locking component are operable to constrain the spiral shell Movement of the motherboard on different from the first direction and the third direction of the second direction.

2. component according to claim 1, wherein the auxiliary support structure includes pull bar；And wherein described nutplate It is restrained in the case of without using installation hardware.

3. component according to claim 1, wherein installation hardware is secured in the nutplate.

4. component according to claim 3, wherein cable bundle are carried by the installation hardware.

5. component according to claim 3, wherein pipeline are carried by the installation hardware.

6. component according to claim 1, wherein the drilling deviates one section of first pillar and second pillar Distance so that the drilling is alignd with one in the mounting hole in the auxiliary support structure.

7. component according to claim 1, wherein first pillar and second pillar against the bonding land Part be it is solid and with ellipse cross section.

8. component according to claim 1, wherein the locking component is elastic, and is hinged to the main body, Therefore the locking component is contractile.

9. component according to claim 1, wherein each pillar terminates in the cap of expansion, the cap and the installation Surface forms the undercut portion, and the undercut portion is narrower than the standard size of the auxiliary support structure, wherein when the spiral shell When motherboard is promoted to be engaged with the auxiliary support structure, the cap is overlapped on one in the bonding land.