CN105581465A - Stress-optimized three-gear umbrella rib of folding umbrella and processing method thereof - Google Patents
Stress-optimized three-gear umbrella rib of folding umbrella and processing method thereof Download PDFInfo
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- CN105581465A CN105581465A CN201510998068.8A CN201510998068A CN105581465A CN 105581465 A CN105581465 A CN 105581465A CN 201510998068 A CN201510998068 A CN 201510998068A CN 105581465 A CN105581465 A CN 105581465A
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- Prior art keywords
- blanking
- gear
- umbrella
- umbrella frame
- installing hole
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/02—Umbrella frames
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B19/00—Special folding or telescoping of umbrellas
- A45B19/10—Special folding or telescoping of umbrellas with collapsible ribs
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- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The invention discloses a stress-optimized three-gear umbrella rib of a folding umbrella. The umbrella rib comprises an umbrella rib body. The upper end of the body is provided with a first installation hole for being connected with an upper disc. The portion, close to the lower end, of the middle of the body is provided with a second installation hole for being connected with a four-gear umbrella rib. The lower end of the body is provided with a third installation hole for being connected with a small saddle. The body is formed by folding blank formed through stamping in half along the center line in the length direction. The stress-optimized three-gear umbrella rib is characterized in that the width of the portion, located on the second installation hole area, of the blank is largest, and the width of the other part is small. By changing the shape of the blank for manufacturing the three-gear umbrella rib, the main stress part is appropriately widened, and the sub stress part is appropriately narrowed, so that materials are saved, the overall stress capability of the three-gear umbrella rib is improved, and the fracture problem of the umbrella rib is greatly reduced; in addition, during stamping and discharging, the large end and the small end can be alternately arranged in a left-right mode, width complementing is achieved, and therefore materials can be greatly reduced.
Description
Technical field
The present invention relates to umbrella parts, relate in particular to umbrella frame parts, the folding of specifically a kind of stressed optimizationThird gear umbrella frame and the processing method thereof of umbrella.
Background technology
Conventional folding umbrella, has the different version such as triple folding umbrella, five folding umbrellas. As shown in Figure 1, a kind of typical caseTriple folding umbrella, comprise handle 1, umbrella bar 2, umbrella stand 3, upper dish 4, umbrella cover 5 and lower wall 6. On described umbrella, coil4 and handle 1 be fixedly mounted on respectively the upper/lower terminal of umbrella bar 2, lower wall 6 is sleeved on umbrella bar 2, canSlide up and down along umbrella bar 2, on upper dish 4 and lower wall 6, evenly offer one group of groove along excircle.
In conjunction with Fig. 2, described umbrella stand 3 is made up of one group of essentially identical osteocomma assembly of structure, and correspondence is arranged onIn groove on dish 4 and lower wall 6. Described each osteocomma assembly is by one grade of umbrella frame 29, second gear umbrella frame 8, third gearUmbrella frame 7, fourth gear umbrella frame 9, five grades of umbrella frames 27, six grades of umbrella frames 26, large saddle 25, middle saddle 28 and poniesSaddle 30 forms, and described third gear umbrella frame 7 upper ends are fixed in the groove of dish 4, and lower end is riveted on second gear umbrellaOn the middle part pony saddle 30 of bone 8; The upper end of described second gear umbrella frame 8 is fixed in the groove of described lower wall 6,Lower end is riveted on the middle part of large saddle 25; The lower end riveted joint of the upper end of described large saddle 25 and fourth gear umbrella frame 9,The upper end of described fourth gear umbrella frame 9 is riveted on the position of third gear umbrella frame 7 near lower end; The lower end of five grades of umbrella frames 27Be riveted to the middle part of middle saddle 28, six grades of described umbrella frame 26 upper ends are connected to the lower end of second gear umbrella frame 8, underEnd is riveted to the upper end of middle saddle 28; The upper end of described one grade of umbrella frame 29 is connected to the lower end of middle saddle 28,A globule 10 is fixed in its lower end. Described osteocomma forms a linkage, upper and lower along umbrella bar 2 with lower wall 6Mobile stretching, extension together and folding.
Described umbrella cover 5 covers on umbrella stand 3, and its centre and upper dish 4 are fixing, and edge is fixed on the globuleOn 10. Due to umbrella cover 5 and osteocomma assembly, sew up through cotton rope. Push-and-pull lower wall 6, umbrella cover 5 can be along with umbrella stand 3Strut or fold.
Fig. 4-Figure 10 is the structural representation of existing third gear umbrella frame 7. Be provided with in the upper end of third gear umbrella frame 7One installing hole 11, for connecting upper dish 4; Middle part is provided with the second installing hole 12 near lower end, for connectingFourth gear umbrella frame 9; Lower end is provided with the 3rd installing hole 13, for connecting pony saddle 30. As shown in Figure 5, third gearUmbrella frame 7 is to be folded to form by rammed blanking center line 14 along its length, and its shape approaches rectangle,Front and back side 15,16 is parallel with center line 14, and be processed into and the first installing hole 11 and the 3rd installation at both endsThe circular arc of hole 13 correspondences, therefore blanking is identical at the width of any position. But, third gear umbrella frame 7In different positions, it is subject to intensity of force also not identical. Specifically, the first installing hole 11 and the 3rd installing hole13 places are used mainly as fulcrum, thereby stressed little. The second installing hole 12 places are directly used in transmission relay,Therefore stressed maximum is herein stressed relatively little at other position. In order to meet the requirement of maximum weighted,The width of blanking can only be designed by maximum weighted point place, and plurality of positions intensity surplus consequently causes materialA large amount of wastes of material, very uneconomical. And also easily there is under special circumstances fracture in part position.
Summary of the invention
What the present invention will solve is the problems referred to above that prior art exists, and aims to provide a kind of folding umbrella of stressed optimizationThird gear umbrella frame.
For addressing the above problem, the present invention by the following technical solutions: a kind of third gear umbrella of folding umbrella of stressed optimizationBone, comprises umbrella frame body, and the upper end of described body is provided with the first installing hole that connects upper dish use, under middle part is closeEnd place is provided with and connects the second installing hole that fourth gear umbrella frame is used, and lower end is provided with and connects the 3rd installing hole that pony saddle is used,Described body is folded to form by rammed blanking center line along its length, it is characterized in that described blankingOn be positioned at the width maximum in the second region, installing hole place, the width of remainder narrows.
The third gear umbrella frame of the folding umbrella of a kind of stressed optimization of the present invention, makes the blanking shape of third gear osteocomma by changeShape, suitably widens in main part of the force, and suitably narrows in less important part of the force, saves material with this,And improve the stress-bearing capability of third gear osteocomma entirety, greatly reduce the breakage problem of this grade of osteocomma.
Because the second installing hole is near third gear osteocomma lower end, it is narrow that therefore the entirety of third gear osteocomma is wide upper end, lower endForm, in the time of stamping and discharging, can, by large small end left and right alternative arrangement, make width complementation, thereby can greatly subtractFew material.
Force part is further widened, and the proportion that this position accounts for umbrella frame is very little, because less important force part narrowsAfter, the osteocomma area of entirety is still much smaller than the osteocomma area of prior art, but but can greatly improve wholeThe stress-bearing capability of third gear umbrella frame, can reduce the thickness of osteocomma thus, uses material thereby further saved.
As improvement of the present invention, the dual-side of blanking is smooth curve.
As a further improvement on the present invention, the width of blanking from the widest part in the second installing hole region downwards graduallyNarrow until the 3rd installing hole region, and start to broaden until the first peace after upwards narrowing to gradually minimum widithDress bore region.
Further improve again the shape complementarity after the shape of blanking and blanking Rotate 180 degree as of the present invention.Due to both shape complementarities, in the time of stamping and discharging, the side of adjacent two blanking lines overlaps, and when punching press, does not haveThere is waste material, can improve the utilization rate of material.
Further improve as of the present invention, described umbrella frame body lower end slightly upwarps, in the time drawing in, and each gradeUmbrella frame can be superimposed better.
The present invention also will provide a kind of processing method of third gear umbrella frame of folding umbrella of stressed optimization, it is characterized in that byUnder carry out with step:
1), on metal film, blanking shape is overlapped with side with the shape after blanking Rotate 180 degreeMode is alternately arranged and is formed blanking line, is positioned at the width maximum in the second region, installing hole place on described blanking,The width of remainder narrows, and shape complementarity after the shape of blanking and blanking Rotate 180 degree;
2) stamp out blanking by blanking line;
3) by blanking center line doubling moulding along its length.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is existing typical a kind of structural representation of rolling over umbrella.
Fig. 2 is the structural representation of the umbrella frame assembly of prior art.
Fig. 3 is the umbrella frame assembly of the prior art view in the time folding.
Fig. 4 is the structural representation of the third gear osteocomma of prior art.
Fig. 5 is the structural representation of the blanking of the third gear osteocomma of prior art.
Fig. 6 is the top view of Fig. 4.
Fig. 7 is that the A1-A1 of Fig. 6 is to cutaway view.
Fig. 8 is that the B1-B1 of Fig. 6 is to cutaway view.
Fig. 9 is that the C1-C1 of Fig. 6 is to cutaway view.
Figure 10 is that the D1-D1 of Fig. 6 is to cutaway view.
Layout viewing when Figure 11 is existing third gear osteocomma punching press.
Figure 12 is the structural representation of umbrella frame assembly of the present invention.
Figure 13 is the view of umbrella frame assembly of the present invention in the time folding.
Figure 14 is the structural representation of third gear osteocomma of the present invention.
Figure 15 is the structural representation of the blanking of third gear osteocomma of the present invention.
Figure 16 is the top view of Figure 14.
Figure 17 is that the A2-A2 of Figure 16 is to cutaway view.
Figure 18 is that the B2-B2 of Figure 16 is to cutaway view.
Figure 19 is that the C2-C2 of Figure 16 is to cutaway view.
Figure 20 is that the D2-D2 of Figure 16 is to cutaway view.
Figure 21 is that the E2-E2 of Figure 16 is to cutaway view.
Layout viewing when Figure 22 is third gear osteocomma punching press of the present invention.
Figure 23 is the structural representation of another embodiment of third gear osteocomma of the present invention.
Figure 24 is the umbrella frame assembly of Figure 23 embodiment view in the time folding.
Detailed description of the invention
It should be noted that, " upper end " mentioned in the present invention refers to towards one end of umbrella bar direction, " lower end "Refer to the one end that deviates from umbrella bar direction. In like manner, " upwards " refer to that " downwards " refers to the back of the body towards umbrella bar directionFrom umbrella bar direction. So-called its relative position that only refers to up and down, is convenient to describe, and is not particularly limited. Certainly,Also can by " on " be defined as " left side ", D score is defined as " right side ", does not affect structural relation of the present invention.
With reference to Figure 14-Figure 21, the third gear umbrella frame of the folding umbrella of a kind of stressed optimization of the present invention, comprises umbrella frame body,The upper end of described body is provided with the first installing hole 11 that connects upper dish 4 use, and middle part is provided with connection near lower endThe second installing hole 12 of fourth gear umbrella frame 9 use, lower end is provided with the 3rd installing hole 13 that connects pony saddle 30 use, instituteThe body of stating is folded to form by rammed blanking center line 14 along its length.
On described blanking, be positioned at the width H3 maximum in the second installing hole 12 regions, place, the width of remainder is receivedNarrow. And the dual-side of blanking is smooth curve. Specifically, the width of blanking is from the second installing hole 12nd districtThe width position H3 in territory narrows gradually downwards until the 3rd installing hole 13 regions, and upwards narrows to graduallyAfter little width H4, start again to broaden until the first installing hole 11 regions.
Shape complementarity after the shape of blanking and blanking Rotate 180 degree. In the time of stamping and discharging, adjacent two blankingsThe side of line overlaps, and there is no waste material when punching press, can improve the utilization rate of material.
With reference to Figure 22, the processing method of the third gear umbrella frame of the folding umbrella of a kind of stressed optimization of the present invention, its featureBe to press with step and carry out:
1), on metal film, blanking shape is overlapped with side with the shape after blanking Rotate 180 degreeMode is alternately arranged and is formed blanking line, is positioned at the width H3 in the second installing hole 12 regions, place on described blankingMaximum, the width of remainder narrows, and shape after the shape of blanking and blanking Rotate 180 degree is mutualMend;
2) stamp out blanking by blanking line;
3) by blanking center line 14 doubling moulding along its length.
From Figure 22, because the width of the blanking shape of third gear umbrella frame of the present invention changes, mainlyForce part is widened, and narrows in less important force part, and the area of every third gear umbrella frame is reduced greatly. AndAnd, due to shape and the shape complementarity that narrows part of the widened section of blanking, in the time that punching material is arranged, adjacent fallThe widened section of material with narrow partly relatively, the side of blanking line overlaps, and there is no waste material when punching press, can carryThe utilization rate of high material. Compared with the third gear osteocomma of the prior art of Fig. 1, in its adjacent a pair of blanking in the heartBe 10mm apart from H1. And the present invention improve after third gear osteocomma, the center distance H2 of adjacent a pair of blanking is8mm, can save 40% use material amount.
Moreover, force part is further widened, the proportion that this position accounts for umbrella frame is very little, is subject to due to less importantAfter power position narrows, the osteocomma area of entirety is still much smaller than the osteocomma area of prior art, but but can be largeThe large stress-bearing capability that improves whole third gear umbrella frame, can reduce thus the thickness of osteocomma, thereby further save useMaterial. In general, the thickness of osteocomma is reduced to 0.3mm from 0.4mm.
The advantage of comprehensive above-mentioned two aspects, third gear osteocomma of the present invention, after improving, the consumption of its material can be savedAt least 50%, its commercial promise is very huge.
With reference to Figure 23, another embodiment of third gear osteocomma of the present invention. Exist with last embodiment differenceSlightly upwarp in umbrella frame body lower end 17. The structure of remainder is identical with last embodiment. Its advantage beWhen umbrella frame assembly draws in, each grade of umbrella frame can be superimposed better, as shown in figure 24.
Should be understood that: above-described embodiment is just to explanation of the present invention, instead of limitation of the present invention,Any innovation and creation that do not exceed within the scope of connotation of the present invention, within all falling into protection scope of the present invention.
Claims (7)
1. a third gear umbrella frame for the folding umbrella of stressed optimization, comprises umbrella frame body, and the upper end of described body is provided with connectionFirst installing hole (11) of upper dish (4) use, middle part is provided with and connects fourth gear umbrella frame (9) use near lower endThe second installing hole (12), lower end is provided with the 3rd installing hole (13) that connects little saddle (30) use, instituteThe body of stating is folded to form by rammed blanking center line (14) along its length, it is characterized in thatOn described blanking, be positioned at the second installing hole (12) and locate width (H3) maximum in region, remainder wideDegree narrows.
2. the third gear umbrella frame of the folding umbrella of a kind of stressed optimization as claimed in claim 1, is characterized in that two of blankingSide is smooth curve.
3. the third gear umbrella frame of the folding umbrella of a kind of stressed optimization as claimed in claim 2, is characterized in that the wide of blankingDegree narrows downwards until the 3rd installing hole (13) district gradually from the widest part in the second installing hole (12) regionTerritory, and start to broaden until the first installing hole (11) after upwards narrowing to gradually minimum widith (H4)Region.
4. as the third gear umbrella frame of the folding umbrella of a kind of stressed optimization of claim 1-3 as described in any one, its feature existsShape complementarity after shape and the blanking Rotate 180 degree of blanking.
5. the third gear umbrella frame of the folding umbrella of a kind of stressed optimization as claimed in claim 4, is characterized in that umbrella frame bodyLower end (17) slightly upwarps.
6. a processing method for the third gear umbrella frame of the folding umbrella of stressed optimization, is characterized in that pressing with step and carries out:
1), on metal film, blanking shape is overlapped with side with the shape after blanking Rotate 180 degreeMode alternately arranges and forms blanking line, is positioned at the second installing hole (12) and locates the width in region on described blanking(H3) maximum, the width of remainder narrows, and after the shape of blanking and blanking Rotate 180 degreeShape complementarity;
2) stamp out blanking by blanking line;
3) by blanking center line (14) doubling moulding along its length.
7. the processing method of the third gear umbrella frame of the folding umbrella of a kind of stressed optimization as claimed in claim 6, its feature existsBe smooth curve in the dual-side of blanking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998068.8A CN105581465B (en) | 2015-12-25 | 2015-12-25 | A kind of the third gear umbrella frame and its processing method of the folding umbrella of stress optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998068.8A CN105581465B (en) | 2015-12-25 | 2015-12-25 | A kind of the third gear umbrella frame and its processing method of the folding umbrella of stress optimization |
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| Publication Number | Publication Date |
|---|---|
| CN105581465A true CN105581465A (en) | 2016-05-18 |
| CN105581465B CN105581465B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510998068.8A Active CN105581465B (en) | 2015-12-25 | 2015-12-25 | A kind of the third gear umbrella frame and its processing method of the folding umbrella of stress optimization |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904726Y (en) * | 2006-06-23 | 2007-05-30 | 王斌章 | Third grade umbrella rib |
| CN201323957Y (en) * | 2008-12-18 | 2009-10-14 | 王斌章 | Connecting structure of second gear umbrella frame and extension spring |
| CN201595298U (en) * | 2009-12-28 | 2010-10-06 | 杭州天堂伞业集团有限公司 | Second rib of quadruple-folding rib sheet |
| EP2594151A1 (en) * | 2011-11-21 | 2013-05-22 | LongWide Technology Inc. | Integrated illumination part and lead frame of umbrella |
| CN205378954U (en) * | 2015-12-25 | 2016-07-13 | 杭州天堂伞业集团有限公司 | Third gear rib of book umbrella that atress is optimized |
-
2015
- 2015-12-25 CN CN201510998068.8A patent/CN105581465B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904726Y (en) * | 2006-06-23 | 2007-05-30 | 王斌章 | Third grade umbrella rib |
| CN201323957Y (en) * | 2008-12-18 | 2009-10-14 | 王斌章 | Connecting structure of second gear umbrella frame and extension spring |
| CN201595298U (en) * | 2009-12-28 | 2010-10-06 | 杭州天堂伞业集团有限公司 | Second rib of quadruple-folding rib sheet |
| EP2594151A1 (en) * | 2011-11-21 | 2013-05-22 | LongWide Technology Inc. | Integrated illumination part and lead frame of umbrella |
| CN205378954U (en) * | 2015-12-25 | 2016-07-13 | 杭州天堂伞业集团有限公司 | Third gear rib of book umbrella that atress is optimized |
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| Publication number | Publication date |
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| CN105581465B (en) | 2018-05-01 |
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