CN100513666C - Axial and radial driving mechanism of sewing machine circular hook - Google Patents
Axial and radial driving mechanism of sewing machine circular hook Download PDFInfo
- Publication number
- CN100513666C CN100513666C CNB2004100397351A CN200410039735A CN100513666C CN 100513666 C CN100513666 C CN 100513666C CN B2004100397351 A CNB2004100397351 A CN B2004100397351A CN 200410039735 A CN200410039735 A CN 200410039735A CN 100513666 C CN100513666 C CN 100513666C
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- bail
- axial
- transmission mechanism
- sewing machines
- driving
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- 238000009958 sewing Methods 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 60
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to an axial direction and radial direction driving structure for circle hook of sewing machine. The axial direction driving structure and radial direction driving structure are separately set between the circle hook shaft and the main driving shaft. The radial direction driving structure is driven by main driving shaft and can make the circle hook shaft rotate toward radial direction. The axial direction structure has an axial direction action component that directly connects to the main driving shaft and can be driven by it to ensure the aim of driving.
Description
Technical field
The present invention relates to a kind of axial radially transmission mechanism that reaches of Sewing machines bail, especially refer to a kind of at the Sewing machines bail have simultaneously axially and the mechanism of radial action designed, by directly interlock drive between transmission mechanism and Sewing machines driving shaft, simplify this bail transmission mechanism and reach, Sewing machines is more certain and stablize to the transmission of bail.
Background technology
The transmission of present Sewing machines complexity very, especially be the action of bail cooperation up and down, wherein, on the bail axle of bail except that having axially movable action, more on the bail axle, has the action form that radially rotates, and wherein, promptly have radially transmission mechanism and axial transmission mechanism, and two actuation mechanism all concentrate on bail axle place, form structure complexity very herein, also being difficult for or really very in transmission, and at the bail axle, its each radially transmission mechanism spread out of power to this two mechanism with axial transmission mechanism by the Sewing machines driving shaft, and this two mechanism all needs microscler connecting rod to connect to cause structure complexity to improve, and all inconvenience of ten minutes in running and the maintenance is so truly have necessity of improvement.
Summary of the invention
In view of this inventor for making simplification and the drive that Sewing machines driving shaft to the transmission mechanism of bail between centers can be certain, and develops a kind of axially and radially transmission mechanism of a kind of Sewing machines bail of the present invention that meets above-mentioned condition.
Main purpose of the present invention is to overcome the deficiencies in the prior art and defective, a kind of axial radially transmission mechanism that reaches of Sewing machines bail is provided, wherein, in between the bail axle of bail and Sewing machines driving shaft, be provided with radially transmission mechanism and axial transmission mechanism, wherein, radially transmission mechanism has driving link and is that directly driving shaft drives, driving member on driving link interlock one pivot and with the radial action spare on connecting rod and the bail axle, make bail axle generation rotation radially, axially transmission mechanism then directly directly drives with driving link and Sewing machines driving shaft, and whole actuation mechanism is effectively simplified, to reach the form of certain drive.
For reaching above-mentioned purpose, the invention provides a kind of axial radially transmission mechanism that reaches of Sewing machines bail, wherein, mainly have in the Sewing machines: driving shaft; The bail axle is provided with on vertical driving shaft direction, and the bail shaft end is provided with bail; One radially transmission mechanism have a driving link, driving link in addition end drives radial action spare on the bail axle and does radially rotation; One axial transmission mechanism has the axial action spare that always is arranged on the bail axle and makes axial interlock with the Sewing machines driving shaft.
Radially transmission mechanism has driving link, the one end is pivot cover portion and the eccentric shaft part pivot cover that is fixed on the Sewing machines driving shaft, the end in addition of driving link then is provided with the universal base of built-in ball seat, and stretch out universal drive shaft by ball seat central authorities, and the end in addition of its universal drive shaft is stretched an end that penetrates driving member, the middle section of driving member then is that the pivot pivot of being located on the Sewing machines is worn, and the end in addition of driving member articulates with pivot with interlinking lever end, and connecting rod in addition end extend the moving portion of pivot of radial action spare and place pivot joint with pivot, and its radial action spare also for bail axle pivot fasten fixed and with do rotation radially drive.
Axially transmission mechanism mainly has axial action spare, the axial region of wearing of axial action spare one end passes and is positioned on the bail axle for the bail axle, axially the end in addition of transmission mechanism stretches out stopper portion to the Sewing machines driving shaft, and stopper portion drives the eccentric part institute stopper of eccentric shaft part through the driving shaft rotation.
The relative location division that cooperatively interacts that is provided with, the outside of axial action spare with the Sewing machines positioning body.
Axially the axial action piece side direction of transmission mechanism is provided with location edge, and relative positioning body then is provided with locating slot.
The end place that eccentric shaft part exposes to axial action spare stopper portion forms the restriction portion in big footpath, and the part of placing restrictions on that is provided with big footpath on driving shaft in addition is located at axial action spare side in addition.
Mainly have in the Sewing machines: a driving shaft; One bail axle is provided with on vertical driving shaft direction, and the bail shaft end is provided with bail; One radially transmission mechanism have driving link, driving member, its driving member drives the relative end of radial action spare to the end that the bail shaft extension goes out, radial action spare end in addition then is fixed on the bail axle, wherein, the end that driving member is relative with radial action spare is respectively equipped with one and wears an axle and a chute, and is provided with slide block slippage drive in chute in wearing axle; One axial transmission mechanism has the axial action spare that always is arranged on the bail axle and makes axial interlock with the Sewing machines driving shaft.
Description of drawings
Fig. 1 is a three-dimensional appearance schematic diagram of the present invention;
Fig. 2 is system decomposition figure of the present invention;
Fig. 3 is a combination front schematic view of the present invention;
Fig. 4 is an action side-looking generalized section of the present invention;
Fig. 5 is a local combination schematic diagram of the present invention;
Fig. 6 is a second embodiment of the present invention three-dimensional appearance schematic diagram;
Fig. 7 is the positive schematic representation intention of Fig. 6 embodiment of the present invention;
Fig. 8 is a third embodiment of the present invention schematic perspective view.
Symbol description among the figure
10 Sewing machiness, 11 driving shafts
110,111 eccentric shaft parts
112 restriction portions
12 bail axles, 13 pivots
14 stop rings 15 are placed restrictions on part
20 transmission mechanism 21 driving links radially
210 pivot cover portions, 211 ball seats
212 universal bases, 213 universal drive shafts
22 driving members, 23 connecting rods
230 pivots
24 radial action spares, 240 pivots move portion
241 pivots
25 fixtures 26 are worn axle
27 slide blocks, 28 radial action spares
280 chutes
30 axial transmission mechanism 31 axial action spares
310 wear axial region 311 stopper portions
312 location divisions, 313 location edges
32 slide blocks, 320 pivot cover portions
33 positioning bodies, 330 location divisions
34 positioning bodies, 340 locating slots
The specific embodiment
For further understanding structure of the present invention, feature and other purpose, with preferred embodiment be described with reference to the accompanying drawings as after, only the illustrated embodiment of this legend is not to be the unique restriction in the patent application only for the usefulness of explanation.
Please cooperate and consult shown in Fig. 1,2,3, external structure of the present invention and prior art are suitable, the driving shaft 11 that in a Sewing machines 10, has main outputting power, and be provided with bail axle 12 to drive the bail (not shown) in driving shaft 11 vertical direction, be provided with to cooperate relative radially transmission mechanism 20 and be provided with a pivot 13 in addition, reach the rotational action that bail axle 12 produces radially through pivot 13 with power with Sewing machines 10 driving shafts 11 in Sewing machines 10 parallel bail axles 12 places; And cooperating an axial transmission mechanism 30 in addition in bail axle 12, direct and Sewing machines 10 driving shafts 11 produce axial action.
Wherein, radially transmission mechanism 20 of the present invention has a driving link 21, the one end is the pivot cover portion 210 and the eccentric shaft part 110 pivot covers that are fixed on Sewing machines 10 driving shafts 11 of hollow and annular, and when driving shaft 11 rotates, drives driving link 21 through eccentric shaft part 110 and produce action up and down; The end in addition of driving link 21 then is provided with the universal base 212 of a built-in ball seat 211, and stretch out a universal drive shaft 213 by ball seat central authorities, and the end in addition of its universal drive shaft 213 is stretched the end that penetrates a driving member 22, the middle section of driving member 22 is then passed for pivot 13, and the end in addition of driving member 22 is bent into 90 degree, and articulate with a pivot 230 with a connecting rod 23 ends, and connecting rod 23 in addition end extend 24 one-tenths moving portions 240 of two forked pivots of a radial action spare and place to articulate and be integral with a pivot 241, and to be bail axle 12 pass at its radial action spare 24 centers and fixture 25 spiral shells of fitted bolt form are worn radial action spare 24 and are fixed on the bail axle 12 and do radially rotation drive with it.
And axial transmission mechanism 30 of the present invention mainly has an axial action spare 31, and axial action spare 31 1 ends become the axial region 310 worn of an axial through bore form to pass for bail axle 12, and be matched with and stop ring 14 be set on the bail axle 12 to place restrictions on 12 axial relative positions of axial action spare 31 and bail axle, and the end in addition of its axial transmission mechanism 30 stretches out the stopper portion 311 of a pair of fork-shaped attitude to Sewing machines 10 driving shafts 11, and in its stopper portion 311, be provided with a square slide block 32, slide block 32 centers are provided with a pivot cover portion 320 and are inserted in wherein for an eccentric part that is fixed in the eccentric shaft part 111 on the driving shaft 11, make when driving shaft 11 rotates, eccentric drive slide block 32, in the stopper portion 311 of axial action spare 31, slide, and axially the axial action spare 31 of transmission mechanism 30 is 12 restrictions of bail axle, only can do axial motion, and make bail axle 12 produce an axial motion.
And be provided with the location division 312 of a hole slot shape in addition in stopper portion 311 outsides of axial action spare 31, and be provided with a positioning body 32 in addition with respect to 312 places, location division in Sewing machines 10 inboards, and its positioning body 33 protrudes out the location division 330 of column to location division 312, so that two location divisions 312,330 place mutually, and two location divisions 312,320 with the form of 12 one-tenth coaxial settings of bail axle, so can positively limit the axially upward parallel motion that these axial transmission mechanism 30 axial action spares 31 remain on bail axle 12, as Fig. 4, shown in 5, and reach the demand of certain axial action, the overall co-ordination motion that radially even transmission mechanism 20 bail axles 12 have axially and the footpath makes progress, as shown in Figure 5.
And this location structure reality has all polymorphic, shown in Fig. 6,7, its axial transmission mechanism 30 axial action spares 31 side direction are set as the convex location edge 313 of sheet, relative positioning body 34 then is provided with the locating slot 340 of spill, moves but same clamp axis remains on 12 identical axially the going up of bail axle to transmission mechanism 30 axial action spares 31; In addition can be as shown in Figure 8, it does not use positioning body 33,34 setting, directly the eccentric shaft part 111 on driving shaft 11 exposes to the restriction portion 112 in the big footpath of formation, place, end of axial action spare 31 stopper portions 311, and the part 15 of placing restrictions on that is provided with a big footpath on driving shaft 11 in addition is located at axial action spare 31 opposite sides, its structure can quite also can directly be the structural form of C shape button with stop ring 14, one place restrictions on the settings in part 15 and restriction portion 112 big footpaths by this, can remain on bail axle 12 same axially going up in certain clipping axial action spare 31 and move, can reach aforesaid every function equally.
Radially transmission mechanism 20 of the present invention also can be as Fig. 6 to shown in Figure 8 in addition, wherein, radially transmission mechanism 20A and previous embodiment quite have driving link 21, driving member 22, precisely because driving member 22 is pivoted with one to the end that bail axle 12 stretches out and wears axle 26, the end in addition of wearing axle 26 then is pivoted with a square slide block 27, and the slippage in the chute 280 of a radial action spare 28 ends of its slide block 27, this radial action spare 28 end in addition then is fixed on the bail axle 12, can reach aforementioned every function and purpose equally.
By aforesaid structure, can reach following effect in fact:
1. overall structure is simplified: overall structure is by radially transmission mechanism 20 and axial transmission mechanism 30 and axial transmission mechanism 30 are directly driven by Sewing machines 10 driving shafts 11, and the structure of axial transmission mechanism 30 is directly simplified, reach and reduce cost the purpose of the complexity of minimizing structure and low-cost production maintenance.
2. running is more smooth and easy: directly driven by Sewing machines 10 driving shafts 11 by the axial action spare 31 of integral shaft to transmission mechanism 30, the action that makes bail axle 12 is more certain and stablize, and efficient is higher, reaches the purpose of high practicability.
Claims (7)
1. the axially and radially transmission mechanism of a Sewing machines bail mainly has in this Sewing machines:
Driving shaft;
The bail axle is provided with on vertical driving shaft direction, and the bail shaft end is provided with bail;
One radially transmission mechanism have a driving link;
It is characterized in that driving link is held the radial action spare do rotation radially that drives on the bail axle in addition;
One axial transmission mechanism has the axial action spare that always is arranged on the bail axle and makes axial interlock with the Sewing machines driving shaft.
2. the axial radially transmission mechanism that reaches of Sewing machines bail as claimed in claim 1, it is characterized in that, radially transmission mechanism has driving link, the one end is pivot cover portion and the eccentric shaft part pivot cover that is fixed on the Sewing machines driving shaft, the end in addition of driving link then is provided with the universal base of built-in ball seat, and stretch out universal drive shaft by ball seat central authorities, and the end in addition of its universal drive shaft is stretched an end that penetrates driving member, the middle section of driving member then is that the pivot pivot of being located on the Sewing machines is worn, and the end in addition of driving member articulates with pivot with interlinking lever end, and connecting rod holds the pivot that extends radial action spare to move portion in addition and place pivot joint with pivot, and its radial action spare also fastens fixed and do rotation drive radially with it for bail axle pivot.
3. the axial radially transmission mechanism that reaches of Sewing machines bail as claimed in claim 1, it is characterized in that, axially transmission mechanism mainly has axial action spare, the axial region of wearing of axial action spare one end passes and is positioned on the bail axle for the bail axle, axially the end in addition of transmission mechanism stretches out stopper portion to the Sewing machines driving shaft, and stopper portion drives the eccentric part institute stopper of eccentric shaft part through the driving shaft rotation.
4. the axial radially transmission mechanism that reaches of Sewing machines bail as claimed in claim 1 is characterized in that the relative location division that cooperatively interacts that is provided with the Sewing machines positioning body, the outside of axial action spare.
5. as the axial radially transmission mechanism that reaches of claim 1 or 4 described Sewing machines bails, it is characterized in that axially the axial action piece side direction of transmission mechanism is provided with location edge, relative positioning body then is provided with locating slot.
6. the axial radially transmission mechanism that reaches of Sewing machines bail as claimed in claim 1, it is characterized in that, the end place that eccentric shaft part exposes to axial action spare stopper portion forms the restriction portion in big footpath, and the part of placing restrictions on that is provided with big footpath on driving shaft in addition is located at axial action spare side in addition.
7. the axial radially transmission mechanism that reaches of Sewing machines bail as claimed in claim 1, it is characterized in that, this radially transmission mechanism have driving link, driving member, its driving member drives the relative end of radial action spare to the end that the bail shaft extension goes out, radial action spare end in addition then is fixed on the bail axle, wherein, the end that driving member is relative with radial action spare is respectively equipped with one and wears an axle and a chute, and is provided with slide block slippage drive in chute in wearing axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100397351A CN100513666C (en) | 2004-03-16 | 2004-03-16 | Axial and radial driving mechanism of sewing machine circular hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100397351A CN100513666C (en) | 2004-03-16 | 2004-03-16 | Axial and radial driving mechanism of sewing machine circular hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1670290A CN1670290A (en) | 2005-09-21 |
| CN100513666C true CN100513666C (en) | 2009-07-15 |
Family
ID=35041715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100397351A Expired - Fee Related CN100513666C (en) | 2004-03-16 | 2004-03-16 | Axial and radial driving mechanism of sewing machine circular hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100513666C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572516B (en) * | 2012-08-09 | 2015-07-29 | 曾贤长 | Sewing machines upper circular sewing hook drives structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD121961A2 (en) * | 1975-06-25 | 1976-09-05 | ||
| US4624201A (en) * | 1985-05-27 | 1986-11-25 | Rockwell-Rimoldi S.P.A. | Sewing machine with a base consisting of two detachably connected modules |
| US5765493A (en) * | 1995-11-20 | 1998-06-16 | Brother Kogyo Kabushiki Kaisha | Sewing machine with detachable loop taker module |
| CN1043583C (en) * | 1993-12-18 | 1999-06-09 | 联合特别有限公司 | Looper drive for a chainstitch sewing machine |
-
2004
- 2004-03-16 CN CNB2004100397351A patent/CN100513666C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD121961A2 (en) * | 1975-06-25 | 1976-09-05 | ||
| US4624201A (en) * | 1985-05-27 | 1986-11-25 | Rockwell-Rimoldi S.P.A. | Sewing machine with a base consisting of two detachably connected modules |
| CN1043583C (en) * | 1993-12-18 | 1999-06-09 | 联合特别有限公司 | Looper drive for a chainstitch sewing machine |
| US5765493A (en) * | 1995-11-20 | 1998-06-16 | Brother Kogyo Kabushiki Kaisha | Sewing machine with detachable loop taker module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1670290A (en) | 2005-09-21 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 |