CN103789938B - The horizontal rotary hook of replaceable spur line hooking portion - Google Patents
The horizontal rotary hook of replaceable spur line hooking portion Download PDFInfo
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- CN103789938B CN103789938B CN201410072266.7A CN201410072266A CN103789938B CN 103789938 B CN103789938 B CN 103789938B CN 201410072266 A CN201410072266 A CN 201410072266A CN 103789938 B CN103789938 B CN 103789938B
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- shuttle
- hooking portion
- female
- shuttle body
- line hooking
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Abstract
The invention discloses a kind of horizontal rotary hook redesigning conveniently replaced spur line hooking portion, this rotating shuttle comprises female shuttle body, sub-shuttle line hooking portion, interior shuttle body, cover plate, protects needle plate, circular bottom plate, embossed card rush down power groove and holding screw, female shuttle body is provided with at least one groove, sub-shuttle line hooking portion is also provided with the projection of at least one above-mentioned groove adaptation, first projection assigns in corresponding groove, the center of groove is provided with the female through hole of band, first projection is provided with tapped blind hole, by hold-down screw be threaded through through hole after be tightened in blind hole, interior shuttle body cover plate is fixed on to be had in female shuttle body of track, protect needle plate and circular bottom plate through being screwed below sub-shuttle line hooking portion and left surface, rotating shuttle main body is separated manufacture with line hooking portion by the present invention's design, can conveniently wear and tear to rotating shuttle line hooking portion, aging, when shortening or mechanical disorder fracture, solved by the sub-shuttle line hooking portion part more renewed, save and use and manufacturing cost.
Description
Technical field
The present invention relates to sewing machine component field, particularly relate to a kind of horizontal shuttle of replaceable spur line hooking portion.
Background technology
Sewing-machine rotating shuttle is the core key part of industrial sewing machine; after long-time continuous high-speed and high-intensity uses; rotating shuttle point hook line place can because of time, intensity and artificial operation error; easily make the essence of spur want part wears, aging, shorten, or mechanical disorder and fractureing, and remaining component is intact; so just cause prematurely senile; normally or at all cannot cannot use, lose normal function, normally again change very worthy wheel shuttle body.
Summary of the invention
For the weak point existed in above-mentioned technology, the invention provides a kind of horizontal rotary hook of replaceable spur line hooking portion.
For achieving the above object, the invention provides a kind of horizontal rotary hook of replaceable spur line hooking portion, comprise circular bottom plate, female shuttle body, interior shuttle body, protect needle plate and sub-shuttle line hooking portion; Described circular bottom plate is fixed on the bottom of female shuttle body, and described interior shuttle body is fixed on female shuttle body, and interior shuttle physical efficiency is rotated in female shuttle body;
The bottom of described female shuttle body is provided with connecting axle, and top end face is provided with at least one groove, and described sub-shuttle line hooking portion is provided with the first projection of at least one and above-mentioned groove adaptation, and described first projection assigns in corresponding groove; Center in described groove is provided with the female through hole of band, described first projection is provided with the female blind hole of band, is tightened the threaded portion of trip bolt in blind hole through after through hole;
The described needle plate that protects is fixed on female shuttle body, protects the below that needle plate is positioned at sub-shuttle line hooking portion.
Wherein, described female shuttle body comprises female shuttle body party part and cover plate; Described female shuttle body party part is provided with accommodating cavity, and the upper edge of accommodating cavity is provided with spill chute; Described interior shuttle body is contained in accommodating cavity, and interior shuttle body is provided with the convex slide rail with spill chute adaptation; Described convex slide rail is contained in spill chute, and described cover plate is fixed on the top of female shuttle body party part, and the restriction of convex slide rail is fixed in spill chute by cover plate.
Wherein, one end of described female shuttle body is provided with the first sharp-pointed portion, one end of described sub-shuttle line hooking portion is provided with the second sharp-pointed portion, and second projection bent to the inside is extended in the downside in the described second sharp-pointed portion, and the described first sharp-pointed portion is accommodating and be close to the inner side of the second projection.
Wherein, the lineback shoulder place of described sub-shuttle line hooking portion extends outward the 3rd projection, and described 3rd projection and sub-shuttle line hooking portion form an indenture.
Wherein, described female shuttle body is provided with two grooves, and described sub-shuttle line hooking portion is provided with two the first projections; First projection assigns in a groove, and the first projection and groove interference fit.
Wherein, described circular bottom plate and female shuttle body party part, female shuttle body party part and cover plate and protect needle plate and be all fixedly connected with by trip bolt with female shuttle body party part.
Wherein, described circular bottom plate, female shuttle body, interior shuttle body, the material of protecting needle plate and sub-shuttle line hooking portion are ferrous alloy.
The invention has the beneficial effects as follows: compared with prior art, the horizontal rotary hook of replaceable spur line hooking portion provided by the invention, the line hooking portion of easily wearing and tearing, fractureing is arranged in sub-shuttle line hooking portion, in line hooking portion wearing and tearing, aging, shortening, or machine because of fault fracture time, sub-shuttle line hooking portion by more renewing solves, and need not change whole rotating shuttle; Rotating shuttle can be made to extend several times service life, be enterprise's throttling, better save human and material resources, financial resources.In addition, the first projection assigns in groove, and is fixed by trip bolt; unload power by above-mentioned concavo-convex draw-in groove, reach the object of protection Durchgangshohle trip bolt intensity, with the impact resistance of enhancer shuttle line hooking portion and lineback power; improve rotating shuttle bulk strength, and extend its service life.
Accompanying drawing explanation
Fig. 1 is the top view of circular bottom plate of the present invention;
Fig. 2 is the front view of female shuttle body party part of the present invention;
Fig. 3 is the upward view of female shuttle body party part of the present invention;
Fig. 4 is the front view protecting needle plate of the present invention;
Fig. 5 is the upward view of sub-shuttle line hooking portion of the present invention;
Fig. 6 is the upward view of cover plate of the present invention;
Fig. 7 is the front view of interior shuttle body of the present invention;
Fig. 8 is the explosive view of the horizontal rotary hook of replaceable spur line hooking portion of the present invention.
Main element symbol description is as follows:
1, female shuttle body 2, sub-shuttle line hooking portion
3, circular bottom plate 4, interior shuttle body
5, needle plate 6, trip bolt is protected
11, female shuttle body party part 12, cover plate
111, the sharp-pointed portion of groove 112, first
21, the first sharp-pointed portion of projection 22, second
23, the second projection 24, the 3rd projection
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1-8, the horizontal rotary hook of replaceable spur line hooking portion provided by the invention, comprise circular bottom plate 3, female shuttle body 1, interior shuttle body 4, protect needle plate 5 and sub-shuttle line hooking portion 2; Circular bottom plate 3 is fixed on the bottom of female shuttle body 1, and interior shuttle body 4 is fixed on female shuttle body 1, and interior shuttle body 4 can rotate in female shuttle body 1; The bottom of female shuttle body 1 is provided with connecting axle, and top end face is provided with at least one groove 111, and sub-shuttle line hooking portion 2 is provided with at least one and assigns in the groove 111 of correspondence with the first projection 21, first projection 21 of above-mentioned groove 111 adaptation; Center in groove 111 is provided with the female through hole of band, the first projection 21 is provided with the female blind hole of band, is tightened the threaded portion of trip bolt in blind hole through after through hole; Protect needle plate 5 to be fixed on female shuttle body 1, protect the below that needle plate 5 is positioned at sub-shuttle line hooking portion 2.
Compared to prior art, the horizontal rotary hook of replaceable spur line hooking portion provided by the invention, comprise female shuttle body 1 and sub-shuttle line hooking portion 2 that can be separated, line hooking portion is not established when manufacturing female shuttle body 1, and the line hooking portion of easily wearing and tearing, fractureing is arranged in sub-shuttle line hooking portion 2, Each performs its own functions better can to allow them, allows all visual aging performance of each assembly of it and other and changing at any time; In the normal situation of female shuttle body 1, there are aging, wearing and tearing because of a variety of causes and shorten in sub-shuttle line hooking portion 2, or when fractureing because of mechanical disorder, all can be solved by the sub-shuttle line hooking portion 2 more renewed, and need not change whole rotating shuttle; Rotating shuttle can be made to extend several times service life, be enterprise's throttling, better save human and material resources, financial resources.
In addition, the first projection 21 assigns in groove 111, and is fixed by trip bolt; unload power by above-mentioned concavo-convex draw-in groove, reach the object of protection Durchgangshohle trip bolt intensity, with the impact resistance of enhancer shuttle line hooking portion and lineback power; improve rotating shuttle bulk strength, and extend its service life.
In the present embodiment, female shuttle body 1 comprises female shuttle body party part 11 and cover plate 12; Female shuttle body party part 11 is provided with accommodating cavity, and the upper edge of accommodating cavity is provided with spill chute; Interior shuttle body 4 is contained in accommodating cavity, and interior shuttle body 4 is provided with the convex slide rail with spill chute adaptation; Convex slide rail is contained in spill chute, and cover plate 12 is fixed on the top of female shuttle body party part 11, and the restriction of convex slide rail is fixed in spill chute by cover plate 12.
Female shuttle body 1 comprises the two parts that can be separated, and when assembling, being first contained in by convex slide rail in the spill chute of female shuttle body party part 11, then being fixed on by cover plate 12 on female shuttle body party part 11, convex slide rail cannot be dropped above spill chute.This structure is not only conducive to assembling product, and, make interior shuttle body 4 be easy to take off from female shuttle body 1, when interior shuttle body 4 damages, the interior shuttle body 4 that also can more renew in time, easily, facilitates the use of horizontal rotary hook, is also equivalent to the service life that improve horizontal rotary hook.
In the present embodiment, one end of female shuttle body 1 is provided with the first sharp-pointed portion 112, it is accommodating and be close to the inner side of the second projection 23 that a second sharp-pointed portion 112 of projection 23, first bent to the inside is extended in the downside that one end of sub-shuttle line hooking portion 2 is provided with the second sharp-pointed portion 22 of sharp-pointed portion 22, second.In fact the second sharp-pointed portion 22 is line hooking portion, and the first sharp-pointed portion 112 combines with the second sharp-pointed portion 22 can reach the performance identical with traditional line hooking portion; Second sharp-pointed portion 22 of sub-shuttle line hooking portion 2, outwards to the radian that lower process is suitable, to help suture normally excessive smoothly, reaches perfection and makes requirement.
In the present embodiment, the lineback shoulder place of sub-shuttle line hooking portion 2 extends outward the 3rd projection the 24, three projection 24 and sub-shuttle line hooking portion 2 forms an indenture.The outside proper extension forward in sub-shuttle line hooking portion 2 lineback shoulder place, can effectively prevent suture from escaping or off-line.
In the present embodiment, female shuttle body 1 is provided with two grooves 111, and sub-shuttle line hooking portion 2 is provided with two the first projections 21; First projection 21 assigns in a groove 111, and the first projection 21 and groove 111 interference fit.First projection 21 and groove 111 interference fit, when not installing trip bolt, to achieve being fixedly connected with of female shuttle body 1 and sub-shuttle line hooking portion 2, after installation trip bolt, its bonding strength is further enhanced; Interference fit also ensure that the two stability connected, and avoids the first projection 21 to rock in groove 111, guarantees primary and secondary rotating shuttle energy long-time steady operation.
In the present embodiment, the quantity of groove 111 and the first projection 21 is two, two the first projections 21 can ensure the two bonding strength, certainly, this is only a specific embodiment of the present invention, groove 111 quantity on the female shuttle body 1 of the present invention, and the first projection 21 quantity in sub-shuttle line hooking portion 2 is not limited in this, also can be other quantity.
In the present embodiment, circular bottom plate 3 and female shuttle body party part 11, female shuttle body party part 11 and cover plate 12 and protect needle plate 5 and be all fixedly connected with by trip bolt with female shuttle body party part 11.The advantage adopting trip bolt to achieve a fixed connection is, not only stable connection is firm, and is easy to dismounting, the convenient part more renewed when part damages.Certainly, this is only a specific embodiment of the present invention, and the connected mode of above-mentioned parts of the present invention is not limited in this, also can adopt other connected modes.
In the present embodiment, circular bottom plate 3, female shuttle body 1, interior shuttle body 4, the material of protecting needle plate 5 and sub-shuttle line hooking portion 2 are ferrous alloy.Ferrous alloy has higher hardness, meet the mechanical property requirements of horizontal rotary hook, and the corrosion resistance of ferrous alloy is fine, can ensure that horizontal rotary hook works long hours, make horizontal rotary hook under comparatively severe working environment, still can keep good service life.Certainly, this is only a specific embodiment of the present invention, and material of the present invention is not limited in this, also can adopt other materials meeting mechanical property requirements.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. a horizontal rotary hook for replaceable spur line hooking portion, is characterized in that, comprises circular bottom plate, female shuttle body, interior shuttle body, protects needle plate and sub-shuttle line hooking portion; Described circular bottom plate is fixed on the bottom of female shuttle body, and described interior shuttle body is fixed on female shuttle body, and interior shuttle physical efficiency is rotated in female shuttle body;
The bottom of described female shuttle body is provided with connecting axle, and top end face is provided with at least one groove, and described sub-shuttle line hooking portion is provided with the first projection of at least one and above-mentioned groove adaptation, and described first projection assigns in corresponding groove; Center in described groove is provided with the female through hole of band, described first projection is provided with the female blind hole of band, is tightened the threaded portion of trip bolt in blind hole through after through hole;
The described needle plate that protects is fixed on female shuttle body, protects the below that needle plate is positioned at sub-shuttle line hooking portion;
One end of described female shuttle body is provided with the first sharp-pointed portion, one end of described sub-shuttle line hooking portion is provided with the second sharp-pointed portion, second projection bent to the inside is extended in the downside in the described second sharp-pointed portion, and the described first sharp-pointed portion is accommodating and be close to the inner side of the second projection;
The lineback shoulder place of described sub-shuttle line hooking portion extends outward the 3rd projection, and described 3rd projection and sub-shuttle line hooking portion form an indenture.
2. the horizontal rotary hook of replaceable spur line hooking portion according to claim 1, is characterized in that, described female shuttle body comprises female shuttle body party part and cover plate; Described female shuttle body party part is provided with accommodating cavity, and the upper edge of accommodating cavity is provided with spill chute; Described interior shuttle body is contained in accommodating cavity, and interior shuttle body is provided with the convex slide rail with spill chute adaptation; Described convex slide rail is contained in spill chute, and described cover plate is fixed on the top of female shuttle body party part, and the restriction of convex slide rail is fixed in spill chute by cover plate.
3. the horizontal rotary hook of replaceable spur line hooking portion according to claim 1, is characterized in that, described female shuttle body is provided with two grooves, and described sub-shuttle line hooking portion is provided with two the first projections; First projection assigns in a groove, and the first projection and groove interference fit.
4. the horizontal rotary hook of replaceable spur line hooking portion according to claim 2, is characterized in that, described circular bottom plate and female shuttle body party part, female shuttle body party part and cover plate and protect needle plate and be all fixedly connected with by trip bolt with female shuttle body party part.
5. the horizontal rotary hook of the replaceable spur line hooking portion according to any one of claim 1-4, is characterized in that, described circular bottom plate, female shuttle body, interior shuttle body, the material of protecting needle plate and sub-shuttle line hooking portion are ferrous alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072266.7A CN103789938B (en) | 2014-03-03 | 2014-03-03 | The horizontal rotary hook of replaceable spur line hooking portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072266.7A CN103789938B (en) | 2014-03-03 | 2014-03-03 | The horizontal rotary hook of replaceable spur line hooking portion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103789938A CN103789938A (en) | 2014-05-14 |
| CN103789938B true CN103789938B (en) | 2015-08-12 |
Family
ID=50665969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410072266.7A Active CN103789938B (en) | 2014-03-03 | 2014-03-03 | The horizontal rotary hook of replaceable spur line hooking portion |
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| CN (1) | CN103789938B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5188046A (en) * | 1991-01-29 | 1993-02-23 | Bakron Corp. | Plastic bobbin basket with damage resistant members |
| CN1049939C (en) * | 1996-05-24 | 2000-03-01 | 巴克朗公司 | Rotary loop taker with replaceable tip |
| ITMI20020456A1 (en) * | 2002-03-06 | 2003-09-08 | Daniele Cerliani | VERTICAL AXIS CROCHET FOR KNITTED STITCH SEWING MACHINE WITH NEEDLE-SAVING SHEET ADJUSTABLE SCREW PERIPHERAL |
| CN2666959Y (en) * | 2003-09-19 | 2004-12-29 | 柯文正 | Rotary shuttle device for sewing machine |
| CN101033576A (en) * | 2006-03-10 | 2007-09-12 | 史蒂夫·张 | Rotating shuttle for sewing |
-
2014
- 2014-03-03 CN CN201410072266.7A patent/CN103789938B/en active Active
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| CN103789938A (en) | 2014-05-14 |
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