CN106811872A - A kind of sewing machine thread coil - Google Patents
A kind of sewing machine thread coil Download PDFInfo
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- CN106811872A CN106811872A CN201510869990.7A CN201510869990A CN106811872A CN 106811872 A CN106811872 A CN 106811872A CN 201510869990 A CN201510869990 A CN 201510869990A CN 106811872 A CN106811872 A CN 106811872A
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- connecting cylinder
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- upper bed
- pressure ring
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Abstract
The invention provides a kind of sewing machine thread coil, belong to field of mechanical technique.It solves the problems, such as existing sewing machine thread coil dismounting inconvenience.This sewing machine thread coil is included in circular upper and lower base, upper bed-plate is mutually fixed with lower bottom base and is provided with some steel balls between the two, steel ball upside passes through upper bed-plate, lower bottom base lower surface is provided with groove, connecting cylinder is inserted with groove, screw rod is provided with vertically on upper bed-plate, screw rod lower end sequentially passes through upper bed-plate and lower bottom base and fixed with connecting cylinder, screw rod and upper bed-plate bolt；Magnetic pole is inserted with connecting cylinder, there is the connecting portion for being in the form of a column protrusion on magnetic pole lower surface, connecting portion and magnetic pole are by same material disposal molding, connection end surface and connecting cylinder end face, pressure ring is cased with connecting portion, pressure ring is fixed with connecting cylinder, and upper surface of the magnetic pole both ends of the surface respectively with pressure ring and connecting cylinder offsets.This sewing machine thread coil has the advantages that convenient disassembly.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of sewing machine, particularly a kind of sewing machine thread coil.
Background technology
Sewing machine is to use one or more sewing thread, and one or more stitching is formed on sewing, the machine for making one or more layers sewing interweave or unite by a seam.It can sew the product such as the fabrics such as cotton, fiber crops, silk, hair, staple fibre and leather, plastics, paper, the stitching neat appearance stitched out, it is smooth firmly, sewing velocity is fast, easy to use.And sewing thread is the key factor for connecting such product.
In order to be easy to sewing thread to be used on sewing machine, on sewing machine the locating rod for fixed sewing coil is fixedly installed in specific position, this structure, on the one hand it is not easy to arbitrarily putting for sewing coil, on the other hand sewing coil is in use because by external force meeting concomitant rotation, mostly between sewing coil and the base for installing locating rod is the sliding friction to be formed, and coefficient of friction is than larger, therefore easily break, influence operating efficiency.
For above-mentioned problem, it has been realized that deficiency, and improved, a kind of as disclosed in Chinese patent storehouse without hindrance sewing machine thread coil [application number：201520237734.1；Authorization Notice No.：The U of CN 204625979], including base and the gag lever post at base center is arranged on, the base is made up of upper bed-plate and lower bottom base, and gag lever post is arranged on the top center of upper bed-plate；The lower surface of the upper bed-plate and the upper surface circle of lower bottom base show some mutually corresponding semi-circular recesses, semi-circular recesses top wherein on upper bed-plate communicates with the upper surface of upper bed-plate, it is provided with spherical ball in the circular groove that upper bed-plate and lower bottom base upper half circular groove are constituted, and the top of ball is slightly above the upper surface of upper bed-plate.
Above-mentioned bobbin can make the sliding friction between sewing machine thread circle and base be changed into rolling friction by the ball set on base, substantially reduce coefficient of friction, reduce resistance, facilitate sewing machine coil unwrapping wire, so as to solve problems of the prior art well.But the bobbin still has two：1st, bobbin must be directed at position and could install；2nd, need bobbin could be pulled out by larger power and reinstalled.Two above-mentioned problems cause the dismounting of whole bobbin more inconvenient.
The content of the invention
The purpose of the present invention is directed to existing technology and there is above mentioned problem, it is proposed that a kind of sewing machine thread coil of convenient disassembly.
The purpose of the present invention can be realized by following technical proposal：A kind of sewing machine thread coil, including just to setting and in circular upper and lower base, upper bed-plate is mutually fixed with lower bottom base and is provided with some steel balls being evenly distributed between the two, the downside of steel ball offsets with lower bottom base, and the upside of steel ball passes through the lower surface middle part of upper bed-plate, lower bottom base to be provided with groove, it is characterised in that, cylindrical connecting cylinder and the connecting cylinder are inserted with described groove can sliding axially along lower bottom base, upper end closed, the lower ending opening of described connecting cylinder；Screw rod is provided with described upper bed-plate vertically, and the central axis of screw rod and the central axis of upper bed-plate are conllinear, the lower end of described screw rod sequentially passes through upper bed-plate and lower bottom base and is fixed with described connecting cylinder, described screw rod and upper bed-plate bolt；Cylindrical magnetic pole is inserted with described connecting cylinder, and the side wall of magnetic pole reclines with the madial wall of connecting cylinder, there is the connecting portion for being in the form of a column protrusion on the lower surface of described magnetic pole, and connecting portion and magnetic pole are by same material disposal molding, the end face of connecting portion and the end face of connecting cylinder, and pressure ring is cased with the connecting portion, pressure ring is fixed with connecting cylinder, and the upper surface of the both ends of the surface respectively with pressure ring and connecting cylinder of magnetic pole offsets.
During installation, lower bottom base is contacted with installation site, is then rotated screw rod and is moved to groove direction is departed from drive connection cylinder, and the magnetic connecting portion of tool is contacted with installation site, carrys out stable position bobbin；When using, coil is enclosed within screw rod and its bottom contacts with steel ball, effectively to reduce the friction between coil and upper bed-plate, so that coil unwrapping wire process is more swimmingly carried out；When needing to change position, rotate screw rod and moved in groove with drive connection tin, and connecting portion is departed from installation site, now can light portable cord coil.
Magnetic pole retraction is realized along the axial movement of connecting cylinder by rotating screw rod driving magnetic pole or groove is stretched out, bobbin is set easily to realize the replacing of position, bobbin could be installed and need to extract bobbin from sewing machine by larger force gas relative to must first be directed at position in the prior art, with convenient disassembly and labour-saving advantage.
In above-mentioned sewing machine thread coil, the mode that described pressure ring is connected through a screw thread mutually is fixed with described connecting cylinder.
Using above-mentioned structure, it is detachably fixed pressure ring and connecting cylinder, to realize being individually replaced the possibility of magnetic pole, so as to effectively reduce the cost that bobbin is changed when magnetic pole is damaged.
In above-mentioned sewing machine thread coil, the described lower surface of magnetic pole and the upper surface of pressure ring is plane, described pressure ring along its axially penetrate through with magnetic pole just to through hole, described through hole has several and along the circumferential uniform of pressure ring.
Because the lower surface of magnetic pole and the upper surface of pressure ring recline and through hole is just right with magnetic pole, make the upper aperture of through hole by the lower end face closure of magnetic pole.In practical operation, through hole coordinates with instrument, to facilitate screw-in and the back-out of pressure ring.
In above-mentioned sewing machine thread coil, the madial wall of described groove is the face of cylinder, and the internal diameter of the groove matches with the external diameter of connecting cylinder, the madial wall of described groove is provided with annular slot, and annular slot is coaxial with groove, 0 type sealing ring is provided with described annular slot, and the inner peripheral surface of 0 type sealing ring offsets with the lateral wall of described connecting cylinder.
I.e. the internal diameter of groove is slightly larger than the external diameter of connecting cylinder, to reduce the gap between groove madial wall and connecting cylinder lateral wall；By setting 0 type sealing ring, and 0 type sealing ring extruded by groove madial wall and annular slot bottom wall larger deformation occurred, and be more tightened against forming reliable sealing with the madial wall of groove, enter into the gap formed between groove bottom wall and connecting cylinder and block the gap so as to be prevented effectively from the impurity such as dust, to effectively improve the job stability of this bobbin.
Compared with prior art, this sewing machine thread coil has advantages below：
1st, magnetic pole retraction is realized along the axial movement of connecting cylinder by rotating screw rod driving magnetic pole or stretches out groove, bobbin is set easily to realize the replacing of position, bobbin could be installed and need to extract bobbin from sewing machine by larger force gas relative to must first be directed at position in the prior art, with convenient disassembly and labour-saving advantage.
2nd, the internal diameter of groove and the external diameter of connecting cylinder match, to reduce the gap between groove madial wall and connecting cylinder lateral wall；Simultaneously further through 0 type sealing ring of setting, and 0 type sealing ring extruded by groove madial wall and annular slot bottom wall larger deformation occurred, it is set more to be tightened against forming reliable sealing with the madial wall of groove, enter into the gap formed between groove bottom wall and connecting cylinder and block the gap so as to be prevented effectively from the impurity such as dust, to effectively improve the job stability of this bobbin.
Brief description of the drawings
Fig. 1 is the structural representation of this sewing machine thread coil.
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.
In figure, 1, upper bed-plate；2nd, lower bottom base；2a, groove；3rd, steel ball；4th, connecting cylinder；5th, screw rod；6th, magnetic pole；6a, connecting portion；7th, pressure ring；7a, through hole；8th, 0 type sealing ring.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As shown in figure 1, this sewing machine thread coil is made up of upper bed-plate 1, lower bottom base 2, steel ball 3, connecting cylinder 4, screw rod 5, magnetic pole 6, pressure ring 7 etc..
Wherein, upper bed-plate 1 and lower bottom base 2 are in annular shape and both positions are just right.Upper bed-plate 1 is mutually fixed with lower bottom base 2 by bolt；The uniform steel ball 3 of some circumferences along upper bed-plate 1 is provided between upper bed-plate 1 and lower bottom base 2.The downside of each steel ball 3 offsets with lower bottom base 2, and the upside of each steel ball 3 both passes through upper bed-plate 1.Specifically, upper bed-plate 1 has axially penetrated through connecting hole along it, and the quantity of connecting hole is identical with steel ball 3 and position corresponds, and the upside of each steel ball 3 both passes through connecting hole, to realize the upside of steel ball 3 through the purpose of upper bed-plate 1.The upper surface of lower bottom base 2 is provided with the holding tank matched with steel ball 3, and the quantity of holding tank is identical with steel ball 3 and position corresponds.The downside of each steel ball 3 is respectively positioned in corresponding holding tank.
As shown in figure 1, the lower surface middle part of lower bottom base 2 is provided with groove 2a, connecting cylinder 4 is cylindrical and is inserted in groove 2a, and now, connecting cylinder 4 can sliding axially along lower bottom base 2.Further illustrate, the madial wall of groove 2a is the face of cylinder, and internal diameter and the external diameter of connecting cylinder 4 of groove 2a match.I.e. the internal diameter of groove 2a is slightly larger than the external diameter of connecting cylinder 4, to reduce the gap between groove 2a madial walls and the lateral wall of connecting cylinder 4.The madial wall of groove 2a is provided with annular slot, and annular slot is coaxial with groove 2a, 0 type sealing ring 8 is provided with annular slot, and the inner peripheral surface of 0 type sealing ring 8 offsets with the lateral wall of connecting cylinder 4, so that the connection between lower bottom base 2 and connecting cylinder 4 keeps more reliable sealing.
As shown in figure 1, the upper end closed of connecting cylinder 4, lower ending opening.Screw rod 5 is located on upper bed-plate 1 vertically, and the central axis of the screw rod 5 is conllinear with the central axis of upper bed-plate 1.The lower end of screw rod 5 sequentially passes through upper bed-plate 1 and lower bottom base 2 and is fixed with connecting cylinder 4, and screw rod 5 and the bolt of upper bed-plate 1, thus realize by rotate screw rod 5 with drive connection cylinder 4 along lower bottom base 2 purpose in axial sliding.In the present embodiment, screw rod 5 is mutually fixed by way of welding with connecting cylinder 4, is had the advantages that simple structure, is connected firm.
Magnetic pole 6 is cylindrical and is inserted in connecting cylinder 4.There is the connecting portion 6a for being in the form of a column protrusion on the lower surface of magnetic pole 6, and connecting portion 6a and magnetic pole 6 are by same material disposal molding.The end face of connecting portion 6a and the end face of connecting cylinder 4, are cased with pressure ring 7 on connecting portion 6a, pressure ring 7 is fixed with connecting cylinder 4, and the upper surface of the both ends of the surface respectively with pressure ring 7 and connecting cylinder 4 of magnetic pole 6 offsets.Further illustrate, side wall and the madial wall of connecting cylinder 4 of magnetic pole 6 are reclined, and the stability that magnetic pole 6 is positioned is improved to improve the contact area of magnetic pole 6 and connecting cylinder 4, so as to improve the job stability of this bobbin.
In the present embodiment, as shown in Fig. 2 the mode that pressure ring 7 is connected through a screw thread mutually is fixed with described connecting cylinder 4.The lower surface of magnetic pole 6 and the upper surface of pressure ring 7 are plane, pressure ring 7 along its axially penetrate through with magnetic pole 6 just to through hole 7a, through hole 7a has several and along the circumferential uniform of pressure ring 7.In practical operation, through hole 7a coordinates with instrument, to facilitate screw-in and the back-out of pressure ring 7, so as to effectively facilitate the replacing of magnetic pole 6.
During installation, lower bottom base 2 is contacted with installation site, is then rotated screw rod 5 and is moved to groove 2a directions are departed from drive connection cylinder 4, and the magnetic connecting portion 6a of tool is contacted with installation site, carrys out stable position bobbin；When using, coil is enclosed within screw rod 5 and its bottom contacts with steel ball 3, effectively to reduce the friction between coil and upper bed-plate 1, so that coil unwrapping wire process is more swimmingly carried out；When needing to change position, rotate screw rod 5 and moved in groove 2a with drive connection tin 4, and connecting portion 6a is departed from installation site, now can light portable cord coil.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Those skilled in the art can be made various modifications or supplement to described specific embodiment or be substituted using similar mode, but without departing from spirit of the invention or surmount scope defined in appended claims.
Claims (4)
1. a kind of sewing machine thread coil, including just to setting and in circular upper and lower base, upper bed-plate is mutually fixed with lower bottom base and is provided with some steel balls being evenly distributed between the two, the downside of steel ball offsets with lower bottom base, and the upside of steel ball passes through the lower surface middle part of upper bed-plate, lower bottom base to be provided with groove, it is characterised in that, cylindrical connecting cylinder and the connecting cylinder are inserted with described groove can sliding axially along lower bottom base, upper end closed, the lower ending opening of described connecting cylinder；Screw rod is provided with described upper bed-plate vertically, and the central axis of screw rod and the central axis of upper bed-plate are conllinear, the lower end of described screw rod sequentially passes through upper bed-plate and lower bottom base and is fixed with described connecting cylinder, described screw rod and upper bed-plate bolt；Cylindrical magnetic pole is inserted with described connecting cylinder, and the side wall of magnetic pole reclines with the madial wall of connecting cylinder, there is the connecting portion for being in the form of a column protrusion on the lower surface of described magnetic pole, and connecting portion and magnetic pole are by same material disposal molding, the end face of connecting portion and the end face of connecting cylinder, and pressure ring is cased with the connecting portion, pressure ring is fixed with connecting cylinder, and the upper surface of the both ends of the surface respectively with pressure ring and connecting cylinder of magnetic pole offsets.
2. sewing machine thread coil according to claim 1, it is characterised in that the mode that described pressure ring is connected through a screw thread mutually is fixed with described connecting cylinder.
3. sewing machine thread coil according to claim 2, it is characterized in that, the lower surface of described magnetic pole and the upper surface of pressure ring are plane, described pressure ring along its axially penetrate through with magnetic pole just to through hole, described through hole has several and along the circumferential uniform of pressure ring.
4. sewing machine thread coil according to claim 1, it is characterized in that, the madial wall of described groove is the face of cylinder, and the internal diameter of the groove matches with the external diameter of connecting cylinder, the madial wall of described groove is provided with annular slot, and annular slot is coaxial with groove, 0 type sealing ring is provided with described annular slot, and the inner peripheral surface of 0 type sealing ring offsets with the lateral wall of described connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869990.7A CN106811872A (en) | 2015-12-02 | 2015-12-02 | A kind of sewing machine thread coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869990.7A CN106811872A (en) | 2015-12-02 | 2015-12-02 | A kind of sewing machine thread coil |
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| Publication Number | Publication Date |
|---|---|
| CN106811872A true CN106811872A (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510869990.7A Pending CN106811872A (en) | 2015-12-02 | 2015-12-02 | A kind of sewing machine thread coil |
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| Country | Link |
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| CN (1) | CN106811872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044006A (en) * | 2017-06-13 | 2017-08-15 | 吴江市震宇缝制设备有限公司 | A kind of sewing machine thread coil for automatically adjusting payingoff speed |
| CN107475916A (en) * | 2017-09-25 | 2017-12-15 | 青岛金立磁性材料有限公司 | A kind of modeling magnetic magnetic core for industrial sewing machine |
-
2015
- 2015-12-02 CN CN201510869990.7A patent/CN106811872A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044006A (en) * | 2017-06-13 | 2017-08-15 | 吴江市震宇缝制设备有限公司 | A kind of sewing machine thread coil for automatically adjusting payingoff speed |
| CN107475916A (en) * | 2017-09-25 | 2017-12-15 | 青岛金立磁性材料有限公司 | A kind of modeling magnetic magnetic core for industrial sewing machine |
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Application publication date: 20170609 |