CN205669102U - A kind of sewing structure - Google Patents

Abstract

The utility model discloses a kind of sewing structure, including enclosing width (1) and end width (3), enclose width (1) in cylindrical sides shape, obtain after rectangle or foursquare canvas two opposite side are sewed up formation eyelet and clip；End width (3) for enclose width (1) and match and form cylindrical bottom surface；Enclose width (1) to sew up mutually with end width (3)；Enclose width (1) and end width (3) is superimposed the region sewed up by end circumferential strengthening band (5) encirclement.This utility model is by improving the canvas number of plies at crucial suture location, the joint form of each Rotating fields, arranging etc. of reinforcing strip, compared with prior art can effectively solve the problem that sewing structure level number is too much, sew up the problem that difficulty is big and affects suture quality, the problem such as broken string, wire jumper, broken needle when this sewing structure can reduce sewing, and the suture strength of this sewing structure is high, good stability.

Description

A kind of sewing structure

Technical field

This utility model belongs to parachute technology field, sews structure more particularly, to one, and this sewing structure can be used In drag parachute umbrella bag.

Background technology

The supporting drag parachute of aircraft is the one of parachute, and the structure that supporting umbrella is packed standby, the most barrel-shaped will subtract Speed umbrella main chute folds in order, wraps into wherein, is positioned in aircraft umbrella umbrella cabin during normal flight, when aircraft landing resistance brakes Time, main chute is deviate from from umbrella bag and opens, and produces air drag, reduces aircraft landing braking distance.The material of drag parachute umbrella bag Select that there is certain requirement, it is desirable to material has certain anti-bright, abrasionproof and strength character, and selected main cloth material is sail Cloth material.This kind of main cloth material thickness is relatively big, and material fiber has certain fragility, and during sewing, material fiber is easily sewed eedle thorn Wound, thorn are disconnected, so large needle, the thick line that intensity is bigger should not be selected.Certain type umbrella bag enclose width before this by the method for sewing of eyelet Formed cylindrical shape, the most again with rounded bottom and together fold flush joint be stitched together, the most again sewing structure at employing crosspointer Lower circumference reinforcing strip sewed on by machine and zigzag machine, and circumferential strengthening band has the feature that intensity is big, thickness is big equally.Based on upper In the case of the selection stated, method of sewing are certain, causing enclosing width eyelet and bottom lap seam intersection, sewing structure has stitching The feature that the number of plies is many, sewing structure is thick, local sews appropriate to the occasion generation suture and piles up, and even produces suture broken string, wire jumper or sewing Time eedle situation about fractureing occur, sew up difficulty very big, have a strong impact on quality and the production efficiency of product, especially this product raw Producing supporting quantity many, product batch is big, influences whether to produce and pays.

Utility model content

For disadvantages described above or the Improvement requirement of prior art, the purpose of this utility model is to provide a kind of sewing knot Structure, is wherein entered by the canvas number of plies at the suture location to its key, the joint form of each Rotating fields, arranging etc. of reinforcing strip Row improves, and compared with prior art can effectively solve the problem that sewing structure level number is too much, it is big to sew up difficulty and affects suture quality Problem, the problem such as broken string, wire jumper, broken needle when this sewing structure can reduce sewing, and the suture strength of this sewing structure High, good stability, can be used for drag parachute umbrella bag etc..

For achieving the above object, according to this utility model, it is provided that a kind of sewing structure, it is characterised in that include enclosing width (1) and end width (3), wherein,

The described width (1) that encloses, in cylindrical sides shape, is to sew up rectangle or foursquare canvas two opposite side to form lock Obtain after seam and clip；Described eyelet is four layers of canvas structure, is with pre-made allowance by separately folded for described two opposite side, then will Described two opposite side after folding interlock and are built up；Described clip is positioned at one end of described eyelet, and the length of this clip is more than Equal to the width of described eyelet, this clip is two-layer canvas structure, is directly built up by described two opposite side；

Width of the described end (3), is for matching form the bottom surface of described cylinder with the described width (1) that encloses；Set on this end width (3) Being equipped with end width reinforcing strip (4), described end width reinforcing strip (4) is connected by sewing up with width of the described end (3), this end width reinforcing strip (4) Through the center of circle of the bottom surface of described cylinder, and the length of described end width reinforcing strip (4) is more than the bottom surface of described cylinder Circular diameter；

The described width (1) that encloses is sewed up mutually with width of the described end (3), is that this is enclosed the width (1) circular edges along described cylindrical sides Edge folds, and makes described clip fold, and forms the fold domain of round belt shape, and this fold domain is stitched with width of the described end (3) overlapping again Conjunction obtains；Clip after described folding is covered by described end width reinforcing strip (4)；

Described enclose width (1) be superimposed with width of the described end (3) sew up region also sew up mutually with end circumferential strengthening band (5), institute State and enclose width (1) and width of the described end (3) region sewed up that is superimposed is surrounded by this end circumferential strengthening band (5).

As of the present utility model further preferably, described end width reinforcing strip (4) also part covers described eyelet, covers and exists Described end width reinforcing strip (4) on described eyelet also by eyelet reinforcing strip (2) cover sew up, described eyelet reinforcing strip (2) also with Whole described eyelet is sewed up mutually.

As of the present utility model further preferably, between described end width reinforcing strip (4) and described eyelet reinforcing strip (2) Sew up and use saw-tooth slot suturing with thread management.

Further preferably described end width reinforcing strip (4) is multiple as of the present utility model, these ends width reinforcing strip (4) All through the center of circle of the bottom surface of described cylinder.

As of the present utility model further preferably, described end width reinforcing strip (4) by circumferential strengthening band of the described end (5) wrap Enclose.

As of the present utility model further preferably, the length of the clip after described folding is equal to the width of described eyelet 1/2nd.

As of the present utility model further preferably, the end of described eyelet reinforcing strip (2) is also by this end circumferential strengthening band (5) stitching is covered.

As of the present utility model further preferably, constitute the described described length enclosing width (1) in cylindrical sides shape Square or foursquare canvas is one or more；

When enclosing the described rectangle of width (1) described in constituting or foursquare canvas is polylith, described in enclose width (1) be by institute State polylith rectangle or many groups of two opposite side corresponding to foursquare canvas mutually overlap stitching and formed respectively after eyelet and clip Arrive.

As of the present utility model further preferably, the length of the clip after described folding is less than or equal to the width of described eyelet Degree.

By the above technical scheme that this utility model is contemplated, compared with prior art, solve drag parachute umbrella packed Standby existing sewing structure sewing difficulty is big, the problem easily occurring affecting product quality situation.Sewing structure in this utility model, The width that encloses of sewing structure sews up, with end width, the method that junction uses clip, and eyelet reinforcing strip is taken the lead and end width reinforcing strip is taken the lead solely Special sewing structure, can make the sewing structure that this utility model provides, and reduces by four layers of master than existing sewing structure partial thickness The thickness of cloth material and the thickness of two-layer reinforcing strip material, may replace existing sewing structure, can be applicable to a series of drag parachute bag Stitching, it is possible to be applied to the stitching of sewing structure that a class includes three junctions, limit of pack, bag, handbag etc., with And there is the stitching of the sewing structure of identical structural requirement, both can guarantee that intensity and the quality of sewing structure, sewing can have been reduced again Difficulty of processing, improves working (machining) efficiency, has good application value.

Specifically, the sewing structure in this utility model has the advantages that

1, being provided with clip enclosing width eyelet termination, flanging can be launched by clip, end width with enclose width sew up time, can make The sewing main cloth of structure (i.e. enclosing width canvas) folds the number of plies and reduces 4 layers, decreases the local thickness of sewing structure, advantageously reduces seam The stitching difficulty of structure processed, reduces processing difficulties；

2, enclosing the eyelet reinforcing strip at width eyelet, using and sew with enclosing to go again after width is sewed up at end width, and will take the lead Enclose width to wipe out near end width suture, 2 layers of sewing structural strengthening band can be reduced and sew up the number of plies, decrease the local of sewing structure Thickness, advantageously reduces the stitching difficulty of sewing structure, reduces processing difficulties；

3, take the lead end reinforcing strip to extend, take the lead to sew up with eyelet reinforcing strip, add the local strength of sewing structure.

By the local improvement of above-mentioned three aspects, sewing structure is effectively reduced 4 layers and encloses web material thickness, two-layer reinforcing strip Material thickness, effectively reduces the processing number of plies of sewing structure, reduces difficulty of processing, improve efficiency；Simultaneously because reducing The processing thickness of sewing structure, makes stitching herein be not result in the appearance of the problems such as broken string, wire jumper, broken needle during sewing, guarantor Demonstrate,prove the crudy of sewing structure.

In a word, sewing structure described in the utility model, the method that sewing structure junction uses clip, coordinate eyelet to add The taking the lead of strong band and end width reinforcing strip sews structure, and sewing structure described in the utility model can be made than existing sewing structure office Portion's thickness decreases 4 layers and encloses web material thickness and 2 layers of reinforcing strip thickness, may replace existing sewing structure, is applied to a series of fall The packed standby stitching of the umbrella umbrella that falls, it is possible to be applied to the stitching that a class includes three junctions, limit of aerial bomb parachute pack etc., and There is the stitching of the sewing structure of identical structural requirement, can proof strength and quality, sewing difficulty of processing can be reduced again, improve Working (machining) efficiency, has good application value.

Accompanying drawing explanation

Figure 1A is that this utility model encloses width eyelet stylolitic structure figure；

Figure 1B is to enclose width eyelet A-A cut-away view shown in Figure 1A；

Fig. 1 C is to enclose B-B cut-away view on the right of width clip shown in Figure 1A；

Fig. 2 A is width at the bottom of this utility model and end reinforcing strip stylolitic structure figure；

Fig. 2 B is that end width shown in Fig. 2 A sews up C-C cut-away view with end reinforcing strip；

Fig. 3 A is that this utility model encloses width, end width, end width reinforcing strip, eyelet reinforcing strip, the assembling stitching of end circumferential strengthening band Structural map；

Fig. 3 B is sewing Standard structural map A direction view shown in Fig. 3 A；

Fig. 3 C is D-D cut-away view in sewing Standard structural map A direction view shown in Fig. 3 A；

Fig. 3 D is sewing Standard structural map E-E cut-away view shown in Fig. 3 A.

In figure, the implication of each reference is as follows: 1 for enclosing width, and 2 is eyelet reinforcing strip, and 3 is end width, and 4 is end width reinforcing strip, 5 is end circumferential strengthening band.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain This utility model, is not used to limit this utility model.Additionally, institute in each embodiment of this utility model disclosed below Just can be mutually combined as long as the technical characteristic related to does not constitutes conflict each other.

Embodiment 1

As shown in Figure 1A～Fig. 1 C, Fig. 2 A～Fig. 2 B, Fig. 3 A～Fig. 3 D, the sewing structure in this utility model, including enclosing 1, eyelet reinforcing strip 2, the end 3, end width reinforcing strip 4, end circumferential strengthening band 5；Described enclose 1 for rectangular shape, this is long Square dual-side is separately folded, the more staggered folded merga pass eyelet of dual-side after folding is stitched together (such as Figure 1B institute Show), make this enclose 1 formation cylindrical shape (that is, the complete three-dimensional shape that cylindrical sides is corresponding).The lock of 1 is enclosed at this (that is, the dual-side relevant position that one end of eyelet is corresponding, is provided with clip as shown in Figure 1A), clip length (that is, edge in seam end The dual-side of eyelet, in the clip length being perpendicular on cylindrical bottom direction, unfolded before pave state) equal to eyelet Width (such as the fold domain width of any one side in dual-side)；As shown in Figure 1 C, what clip was corresponding enclose 1 both sides Limit uses overlap joint flush joint, i.e. is launched respectively by folding dual-side corresponding for clip, then is overlapped by this dual-side and be sewn to one Rise.

Being sewed with two end width reinforcing strips 4 intersected vertically in the end 3 (this end width is circular) plane, end width reinforcing strip 4 is hung down Being sewn in straight through the end 3 center of circle symmetry, end width reinforcing strip 4 length is more than the end 3 diameter, end width reinforcing strip 4 two ends at the end 3 Leave stitching surplus to take the lead, the end 3 with enclose 1 peripherally sewed up by overlap joint flush joint after flanging with enclose 1 and sew up, end width is added After strong band 4 stitching surpluses take the lead to be positioned over eyelet reinforcing strip 2 lower end, by eyelet reinforcing strip 2 with enclose 1 and sew up, along enclosing 1 and the end 3 suture circumference are sewed with end circumferential strengthening band 5, and end circumferential strengthening band 5, end width reinforcing strip and end width reinforcing strip 4 surplus are taken the lead Place is sewed with reinforcement zigzag suture (as shown in Figure 3A).As a example by Fig. 2 A, the end 3 plane is sewed with two end width intersected vertically Reinforcing strip 4, has end width reinforcing strip 4 surplus everywhere to take the lead accordingly, except at above-mentioned one end width reinforcing strip 4 surplus take the lead be with Outside eyelet reinforcing strip 2 phase is sewed up, other at three end width reinforcing strip 4 surplus take the lead to add in other three of the relevant position enclosing 1 (length of these three reinforcing strips can be identical with the length of eyelet reinforcing strip 2, and is each perpendicular to the end 3 plane, the most vertically for strong band In cylindrical bottom surface).The quantity of end width reinforcing strip 4 can be adjusted flexibly on demand, the process side that end width reinforcing strip 4 surplus is taken the lead Similar with the present embodiment of formula.

Figure 1A sews up schematic diagram for enclosing a 1 folding eyelet, and double row of stitches carries out sewing up (as shown in Figure 1B), encloses width in Figure 1A The right-hand member of 1 is provided with clip, eyelet can be converted to overlap flush joint and sew up (as shown in Figure 1 C), can be effective than existing sewing method Ground reduces the main cloth material thickness in four layers, eyelet termination.

Fig. 2 A is the end 3 and the stitching schematic diagram of end width reinforcing strip 4, first fixes with double row of stitches, then uses zigzag Suture strengthens (as shown in Figure 2 B), and the edge at the end 3 leaves and encloses a 1 corresponding flush joint stitching surplus, and end width reinforcing strip 4 length is big In the end 3 diameter, end width reinforcing strip 4 is not sewed up with the edge at the end 3, can effectively reduce at sewing structure than existing sewing method Width reinforcing strip 4 thickness at the bottom of one layer.

Fig. 3 A is to enclose 1 and the assembling schematic diagram at the end 3, wherein eyelet reinforcing strip 2 right end only enclose 1 with the end 3 Flush joint is gone after having sewed up again and is sewed, and eyelet reinforcing strip 2 right-hand member need not fold, and can effectively reduce sewing knot than existing sewing method One layer of eyelet reinforcing strip 2 thickness at structure.

In this utility model enclose 1 and the end 3 can use traditional drag parachute umbrella bag material, such as 231 grass green canvas, add Strong band (including eyelet reinforcing strip 2, end width reinforcing strip 4 and end circumferential strengthening band 5) can use the anti-brocade silk ribbon that burns of 25-350.

In this utility model, enclose width and use eyelet to sew up, be provided with horizontal clip in eyelet termination with enclosing width stitching everywhere, cut Mouth length (before unfolded) is preferably equal to eyelet width, and the clip distance away from base is (i.e. near the clip edge of eyelet far from edge The distance enclosing breadths edge before unfolded) for enclosing 2 times of 1 and the end 3 overlap joint lap seam width, in this length range, use overlap joint Flush joint is sewed up；

Be sewed with end width reinforcing strip on end width in eyelet corresponding position, end width reinforcing strip length is more than end width diameter, adopts with end width Using double needle machine flush joint, the stitching surplus leaving certain length in end width reinforcing strip two ends is taken the lead, for stitching with enclosing width at end width After conjunction, then stitching surplus is taken the lead and encloses width stitching；

End width with enclose after width flush joint sews up, end width reinforcing strip is positioned at and encloses taking the lead at width eyelet and be positioned over eyelet reinforcing strip Below, then eyelet reinforcing strip is sewed up with enclosing width；End circumferential strengthening band then it is sewed with enclosing width suture at end width.

In this utility model, enclose width and polylith rectangle/square canvas can be used mutually to overlap formation cylindrical sides Shape, any two pieces of adjacent rectangles or foursquare canvas, its overlap joint suture location is each formed with eyelet and clip.At eyelet Place is sewed with eyelet reinforcing strip along eyelet direction, is sewed with end circumferential strengthening band along end width with the circumference enclosing width suture；This practicality is new In type end width reinforcing strip 4 with enclose 1 sew up time can be previously placed in the lower section of eyelet reinforcing strip, take the lead in end width reinforcing strip 4 and lock Seam reinforcing strip 2 take the lead lap preferably use reinforcement saw-tooth slot suturing with thread management.

As it will be easily appreciated by one skilled in the art that and the foregoing is only preferred embodiment of the present utility model, not In order to limit this utility model, all any amendment, equivalents made within spirit of the present utility model and principle and changing Enter, within should be included in protection domain of the present utility model.

Claims (9)

1. a sewing structure, it is characterised in that include enclosing width (1) and end width (3), wherein,

The described width (1) that encloses in cylindrical sides shape, be rectangle or foursquare canvas two opposite side are sewed up formed eyelet and Obtain after clip；Described eyelet is four layers of canvas structure, is with pre-made allowance by separately folded for described two opposite side, then will fold After described two opposite side interlock and be built up；Described clip is positioned at one end of described eyelet, and the length of this clip is more than or equal to The width of described eyelet, this clip is two-layer canvas structure, is directly built up by described two opposite side；

Width of the described end (3), is for matching form the bottom surface of described cylinder with the described width (1) that encloses；It is provided with on this end width (3) End width reinforcing strip (4), described end width reinforcing strip (4) is connected by sewing up with width of the described end (3), and this end width reinforcing strip (4) is passed through The center of circle of the bottom surface of described cylinder, and the length of described end width reinforcing strip (4) is straight more than the circle of the bottom surface of described cylinder Footpath；

The described width (1) that encloses is sewed up mutually with width of the described end (3), is that this is enclosed the width (1) the circular edge folding along described cylindrical sides Folded, make described clip fold, and form the fold domain of round belt shape, this fold domain is sewed up with width of the described end (3) overlapping again Arrive；Clip after described folding is covered by described end width reinforcing strip (4)；

Described enclose width (1) be superimposed with width of the described end (3) sew up region also sew up mutually with end circumferential strengthening band (5), described in enclose Width (1) and width of the described end (3) are superimposed the region sewed up by the encirclement of this end circumferential strengthening band (5).

Sew structure the most as claimed in claim 1, it is characterised in that described end width reinforcing strip (4) also part covers described eyelet, Cover described end width reinforcing strip (4) on described eyelet and also covered stitching, described eyelet reinforcing strip by eyelet reinforcing strip (2) (2) also sew up mutually with whole described eyelet.

Sew structure the most as claimed in claim 2, it is characterised in that described end width reinforcing strip (4) and described eyelet reinforcing strip (2) Between stitching use saw-tooth slot suturing with thread management.

Sewing structure the most as claimed in claim 1, it is characterised in that described end width reinforcing strip (4) is multiple, these end width are strengthened Band (4) is all through the center of circle of the bottom surface of described cylinder.

Sew structure the most as claimed in claim 1, it is characterised in that described end width reinforcing strip (4) is by circumferential strengthening band of the described end (5) surround.

Sew structure the most as claimed in claim 1, it is characterised in that the length of the clip after described folding is equal to described eyelet / 2nd of width.

Sew structure the most as claimed in claim 2, it is characterised in that the end of described eyelet reinforcing strip (2) is also justified by the described end Cover in week reinforcing strip (5) and sew up.

Sew structure the most as claimed in claim 1, it is characterised in that constitute and described to enclose width (1) in cylindrical sides shape Described rectangle or foursquare canvas are one or more；

When enclosing the described rectangle of width (1) described in constituting or foursquare canvas is polylith, described in enclose width (1) be by described many Many groups of two opposite side that the square or foursquare canvas of block length is corresponding obtain after mutually overlapping stitching formation eyelet respectively and clip.

Sew structure the most as claimed in claim 1, it is characterised in that the length of the clip after described folding is less than or equal to described lock The width of seam.