CN101240484B - Sewing machine needle vibration device - Google Patents
Sewing machine needle vibration device Download PDFInfo
- Publication number
- CN101240484B CN101240484B CN2008100064559A CN200810006455A CN101240484B CN 101240484 B CN101240484 B CN 101240484B CN 2008100064559 A CN2008100064559 A CN 2008100064559A CN 200810006455 A CN200810006455 A CN 200810006455A CN 101240484 B CN101240484 B CN 101240484B
- Authority
- CN
- China
- Prior art keywords
- pin
- vibration driving
- resistance
- driving shaft
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
- D05B3/02—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing with mechanisms for needle-bar movement
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
Abstract
The present invention provides a needle vibration device of sewing machine, used for a zigzag type sewing machine, torsional force of the positive rotation and the negative rotation of the needle vibration motor is transmitted to a needle supporting part by a needle vibration driving arm and a needle vibration driving axle, wherein, a resistance generation part is mounted on the needle vibration driving axle, implementing resistance to the needle vibration driving axle, the resistance generation part includes: a resistance axle; a pressure component, fixedly mounted on the peripheral surface of the resistance axle; an axle bush, mounted by clamping the pressure component; a pressing device of the pressure component, mounted along the vertical direction of the pressure component; a joint component, mounted on the needle vibration driving axle; and a connecting device, connecting the resistance axle and the joint component. Thus, the skip distance skip distance of the needle is prevented by implementing the resistance to the needle vibration driving axle, the exchange is more easily by dismounting and changing without additional adjustment, when the needle vibration device is used for a long time, the wear or damage of parts are prevented, the management and the maintenance are more easily.
Description
Technical field
The present invention relates to Sewing machines,, carry out the needle vibration device of the Sewing machines that zigzag makes on one side one side particularly a kind of pin that makes alternately moves in the direction vertical with the moving direction of cloth.
Background technology
Usually, the zig-zag type Sewing machines is because of carrying out high-speed sewing, and the pin vibrating motor also carries out the thousands of inferior rotation controls of per minute.The various movable links that drive with the pin vibrating motor of such high-speed rotation; Be pin support portion, pin vibratory drive arm, pin driving shaft etc.; Because weight is very heavy, so in Sewing machines uses, in said pin vibrating motor generation detuning phenomena; And when shaking at a high speed, have and be difficult to make pin to be parked in the problem of desired location.
Promptly; Owing to repeat the change that the rotation of the said pin vibrating motor of forward and backward is exported continuously; Or because the surpassed distance (overrun) that the inertia force of said movable link produces; Can not be parked at pin under the situation of assigned position of hope, can not form needle tracking figure, the quality of sewings is significantly reduced with commodity.
In order to address the above problem; As shown in Figure 1; Patent documentation 1 (the open communique 2001-0103647 specification of Korean Patent) discloses a kind of invention; Being arranged on the pin vibration driving shaft 5 that transmits the zig-zag type motoricity between pin support portion 6 and the pin vibrating motor 2, be set with two axle bushes 7, between said axle bush 7, be provided with the pressing element 8 that can dally.
But said pressing element 8 contacts axle bush between two axle bushes 7 phenomenon because of between said axle bush 7, being provided with pressing element 8, when pin vibration driving shaft 5 shakes, takes place in above-mentioned that kind needle vibration device in the past continually.Under the situation that described contact phenomena recurs, said axle bush 7 breaks away from original fixed position, has the further trouble of the assigned position of adjustment axle bush.
In addition, in order to reduce because of shaking the inertia of generation, said pin vibration driving shaft 5 has used quill shaft.Have on the pin vibration driving shaft 5 of said structure pressing element 8 is set after; Use in the process of Sewing machines 1; Be applied in resistance to sliding under the situation of the sliding surface between pin vibration driving shaft 5 and the pressing element 8; Because the wearing and tearing of the pin vibration driving shaft 5 that the position is set of corresponding said pressing element 8, pin vibration driving shaft 5 whole endurance qualities reduce.
In addition, concentrated wear because of only exerting pressure continuously at the ad-hoc location of pin vibration driving shaft, can take place in the pressing element 8 that on said pin vibration driving shaft 5, is provided with, so endurance quality reduces.
In addition,, when changing pressing element 8, need connecting elements 4 that dismounting is connected with pin vibration driving shaft 5 etc. because of said pin vibration driving shaft 5 is provided with pressing element 8, behind the replacing pressing element 8, the existence problem that need reset also.In Fig. 1, unaccounted symbol 3 is pin vibratory drive arms.
Summary of the invention
In view of above-mentioned each problem of technology in the past, the purpose of this invention is to provide a kind of needle vibration device of Sewing machines, through being applied to the resistance on the pin vibration driving shaft, can prevent the surpassed distance phenomenon of pin in advance.
Another object of the present invention provides a kind of needle vibration device of Sewing machines, makes exchange easier through dismounting and replacing, and does not need other adjustment.
A further object of the present invention provides a kind of needle vibration device of Sewing machines, even when using needle vibration device for a long time, also wearing and tearing or the breakage through preventing part can easily administer and maintain.
In order to reach said purpose; The present invention provides a kind of needle vibration device of Sewing machines, in said Sewing machines, utilizes the rotatory force of pin vibrating motor forward and backward to pass to the pin support portion through pin vibratory drive arm and pin vibration driving shaft; It is characterized in that; On said pin vibration driving shaft, connect resistance generation portion is being set, apply resistance to said pin vibration driving shaft, said resistance generation portion comprises: drag axis; Pressing element is enclosed within on the outer peripheral face of said drag axis; Axle bush is arranged to clip said pressing element; The pressing element press device, the direction setting that the edge is vertical with said pressing element; Joint member is arranged on the said pin vibration driving shaft; And jockey, connect said drag axis and joint member.
In addition, said jockey comprises: connecting rod, and one end thereof is connected with said drag axis; And the connection connecting rod, its end is connected with pin with another end of said connecting rod, and its another end is connected with the protuberance that protrudes from a side of said joint member.
As stated; According to the present invention; In the use of zig-zag type Sewing machines; When drag axis carries out shift reciprocately when motion, the plus-pressure that produces with the pressing element press device through connecting rod be connected connecting rod and apply the resistance of regulation to the pin vibration driving shaft that is connected with joint member, have the effect of the surpassed distance phenomenon of minimizing pin vibration driving shaft.
In addition,, can reduce the wearing and tearing or the breakage of pin vibration driving shaft or joint member, have the effect of saving the expense that administers and maintains thus because of the resistance that is applied to the pin vibration driving shaft transmits through joint member indirectly.
In addition, when changing said joint member, not only the trouble of pulling down connecting elements can be eliminated, the trouble that said joint member resets can also be eliminated.
Description of drawings
Fig. 1 is the stereogram that expression possesses an example of Sewing machines of needle vibration device in the past.
Fig. 2 is the stereogram of Sewing machines that expression possesses the needle vibration device of one embodiment of the invention.
Fig. 3 is the exploded perspective view of expression needle vibration device shown in Figure 2.
Description of reference numerals:
1. Sewing machines
2. pin vibrating motor
3. pin vibratory drive arm
5. pin vibration driving shaft
6. pin support portion
20. drag axis
22. pressing element
24. elastic component
26. screw member
28,38. axle bushes
30. connecting rod
32. connection connecting rod
34. pin member
36. joint member
The specific embodiment
With reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Fig. 2 is the stereogram of Sewing machines that expression possesses the needle vibration device of one embodiment of the invention, and Fig. 3 is the exploded perspective view of expression needle vibration device shown in Figure 2.With reference to Fig. 2, pin vibration driving shaft 5 is connected with pin vibrating motor 2 through pin vibratory drive arm 3, on vibration driving shaft 5, is connected with the resistance generation portion that applies resistance to it.
As shown in Figures 2 and 3, said resistance generation portion comprises: drag axis 20; Pressing element 22 is fixedly installed on the outer peripheral face of this drag axis; A plurality of axle bushes 28 are arranged on the both sides of said pressing element 22; The pressing element press device, the direction setting that edge and said pressing element 22 are vertical; Joint member 36 is arranged on the said pin vibration driving shaft 5; And jockey, connect said drag axis 20 and joint member 36.
On said pin vibration driving shaft 5, be set with joint member 36, this joint member 36 connects said drag axis 20 through jockey.Said jockey is connected the patchhole 32b of an end that connects connecting rod 32 with the cylindric protuberance 36a that protrudes from a side of joint member 36; Can rotate; And be connected through pin member 34 the patchhole 32a of the other end of said connection connecting rod 32 with the patchhole 30b of an end of said connecting rod 30, can rotate.
In addition, cylindric drag axis 20 is connected with the patchhole 30a of the other end of said connecting rod 30, and two axle bushes 28 are fixedly installed on the said drag axis 20, and the pressing element 22 that can dally is set between said axle bush 28.
Said pressing element press device passes through elastic component; It is spring 24; After inserting edge and pressing element 22 vertical directions and being formed in the screw hole (not expression among the figure) on the frame 1a, be assemblied in the outside of said spring to screw member 26, through the fastening force of said screw member; Spring 24 is pushed pressing element 22, and pressing element 22 is the said drag axis 20 of compressing further.Two axle bushes 38 clip the interval setting that said joint member 36 separates regulation.
Effect of the present invention with said formation is described below.
As shown in Figures 2 and 3; Pin 6a edge is alternately moved with the vertical direction of cloth (not having expression among the figure) moving direction; Carry out on one side zigzag when making, through the action of said pin vibrating motor 2, driving shaft 2a forward and backward; Consequent rotatory force through connecting rod 3 be connected connecting rod 3a and pass to pin vibration driving shaft 5, make pin vibration driving shaft 5 along the fore-and-aft direction reciprocating motion.Meanwhile, the 6 one edge left and right directions reciprocating motions of said pin support portion, combine the moving of therewith vertical cloth on one side, implement to make in a zigzag.
In such process, because pin vibrating motor 2 produces when shaking,, said drag axis 20 is back and forth rotated realize displacement through connection connecting rod 32, the connecting rod 30 that is connected with said joint member 36 at said pin vibration driving shaft 5.
When said drag axis 20 carries out the shift reciprocately motion; Through at the outside of said spring 24 rigging screw member 26; The fastening force of said screw member 26 makes spring 24 push pressing element 22; Pressing element 22 is further exerted pressure to said drag axis 20 since the plus-pressure that produces through said connecting rod 30, connect connecting rod 32, joint member 36 and apply the resistance of regulation to said pin vibration driving shaft 5, therefore can reduce the surpassed distance phenomenon of said pin vibration driving shaft 5.
In such process,, produce wearing and tearing so can prevent the pin vibration driving shaft 5 that the position is set of corresponding said joint member 36 or said joint member 36 because the resistance that applies to said pin vibration driving shaft 5 transmits through joint member 36 indirectly.
On the other hand; When changing said joint member 36; From joint member 36 after separatings,, get final product said connection connecting rod 32 from said pin vibration driving shaft 5 separation because of as long as divide right and left the upper end of joint member 36; Need not dismantle said connecting elements 4 etc., so can eliminate the trouble that joint member 36 resets.
Above explanation only illustrates technological thought of the present invention, so long as person of ordinary skill in the field of the present invention just can carry out various modification and distortion in the scope that does not break away from intrinsic propesties of the present invention.Therefore, embodiment disclosed herein is not used in and limits technological thought of the present invention, and only is used for explanation, so such embodiment does not limit the scope of technological thought of the present invention.Protection scope of the present invention should make an explanation according to the scope of claim, should be construed to the scope that whole technological thoughts in the scope that is equal to therewith all belong to claim of the present invention.
The present invention goes for the needle vibration device of Sewing machines; It can prevent the surpassed distance phenomenon of pin in advance through applying resistance to the pin vibration driving shaft, makes exchange become easy through dismounting and replacing; And do not need other adjustment; Even when using needle vibration device, also can prevent the wearing and tearing or the breakage of part long-term, make administer and maintain easier.
Claims (2)
1. the needle vibration device of a Sewing machines, in Sewing machines, the rotatory force of pin vibrating motor forward and backward passes to the pin support portion through pin vibratory drive arm and pin vibration driving shaft, it is characterized in that,
Connection is being provided with resistance generation portion on said pin vibration driving shaft, applies resistance to said pin vibration driving shaft,
Said resistance generation portion comprises: drag axis; Pressing element is enclosed within on the outer peripheral face of said drag axis; Axle bush clips said pressing element setting; The pressing element press device, the direction setting that the edge is vertical with said pressing element; Joint member is arranged on the said pin vibration driving shaft; And jockey, connect said drag axis and said joint member.
2. the needle vibration device of Sewing machines according to claim 1 is characterized in that, said jockey comprises: connecting rod, and one end thereof is connected with said drag axis; And the connection connecting rod, its end is connected with pin with another end of said connecting rod, and its another end is connected with the protuberance that protrudes from a side of said joint member.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070012234A KR20080073523A (en) | 2007-02-06 | 2007-02-06 | Device for needle vibration of sewing machine |
| KR10-2007-0012234 | 2007-02-06 | ||
| KR1020070012234 | 2007-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101240484A CN101240484A (en) | 2008-08-13 |
| CN101240484B true CN101240484B (en) | 2012-03-28 |
Family
ID=39749060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100064559A Expired - Fee Related CN101240484B (en) | 2007-02-06 | 2008-02-04 | Sewing machine needle vibration device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2008188432A (en) |
| KR (1) | KR20080073523A (en) |
| CN (1) | CN101240484B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363170B (en) * | 2008-09-12 | 2012-05-02 | 浙江宝石机电股份有限公司 | Rolling wheel regulator of sewing machine |
| WO2024018306A1 (en) * | 2022-07-18 | 2024-01-25 | Loophole Ltd. | Methods and systems for interlacing fibers in a crisscross configuration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4324191A (en) * | 1981-06-08 | 1982-04-13 | The Singer Company | Auxiliary sewing machine motor braking |
| US6058862A (en) * | 1997-11-27 | 2000-05-09 | Brother Kogyo Kabushiki Kaisha | Link-member swinging apparatus |
| CN1321807A (en) * | 2000-04-27 | 2001-11-14 | 重机公司 | Sewig machine for sewing zigzag stitch |
| CN1840761A (en) * | 2005-03-30 | 2006-10-04 | 兄弟工业株式会社 | Needle swing unit of sewing machine |
-
2007
- 2007-02-06 KR KR1020070012234A patent/KR20080073523A/en not_active Application Discontinuation
-
2008
- 2008-02-04 JP JP2008023689A patent/JP2008188432A/en not_active Withdrawn
- 2008-02-04 CN CN2008100064559A patent/CN101240484B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4324191A (en) * | 1981-06-08 | 1982-04-13 | The Singer Company | Auxiliary sewing machine motor braking |
| US6058862A (en) * | 1997-11-27 | 2000-05-09 | Brother Kogyo Kabushiki Kaisha | Link-member swinging apparatus |
| CN1321807A (en) * | 2000-04-27 | 2001-11-14 | 重机公司 | Sewig machine for sewing zigzag stitch |
| CN1840761A (en) * | 2005-03-30 | 2006-10-04 | 兄弟工业株式会社 | Needle swing unit of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101240484A (en) | 2008-08-13 |
| KR20080073523A (en) | 2008-08-11 |
| JP2008188432A (en) | 2008-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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 |
Granted publication date: 20120328 Termination date: 20160204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |