CN2470382Y - Decker driving device for sewing machine - Google Patents
Decker driving device for sewing machine Download PDFInfo
- Publication number
- CN2470382Y CN2470382Y CN 01218349 CN01218349U CN2470382Y CN 2470382 Y CN2470382 Y CN 2470382Y CN 01218349 CN01218349 CN 01218349 CN 01218349 U CN01218349 U CN 01218349U CN 2470382 Y CN2470382 Y CN 2470382Y
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- CN
- China
- Prior art keywords
- take
- taking
- thread
- sleeve
- axle
- 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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Abstract
A sewing machine thread-taking-up plate transmission device comprises a thread-taking-up shaft, a thread-taking-up sleeve, a thread-taking-up plate support, a thread-taking-up plate and bolts. The thread-taking-up sleeve is fixed in a hole of the thread-taking-up plate support; the thread-taking-up shaft works in the thread-taking-up sleeve; one end of the thread-taking-up plate is movably connected in an opening slot on the lower part of the thread-taking-up plate support through bolts; an upward vertical end is arranged on the upper part of the connection end of the thread-taking-up plate; a round hole that is vertical to the upward vertical end is arranged inside the thread-taking-up plate support; a spiral spring is arranged inside the round hole; an elastic device that makes the thread-taking-up shaft inside the thread-taking-up sleeve upward; a steel ball is arranged on the center of the lower end of the thread-taking-up shaft. The steel ball on the top of the lower end of the thread-taking-up shaft only has one point contacted with the upper end surface of the thread-taking-up plate to ensure the reliable transmission at any angle. Therefore, by removing a positioning limitation bolt in the prior art, the utility model reduces the friction and improves the stitching quality, which is light in movement and small in noise.
Description
The utility model relates to a kind of knitwear processing equipment, particularly the take-up board transmission device of sewing machine.
In knitwear processing, need sew up positions such as neckline, cuffs with sewing machine, the take-up on the sewing machine is hooked in the course of work, and per minute approximately moves 500 times, and its action will promptly move axially the thread taking-up axle transmission that also will rotate by one.The structure of the thread taking-up axle of prior art is: have a bearing to withstand on the upper end of take-up board in its bottom, this thread taking-up axle is enclosed within the sleeve, both are slidingly matched, for the bearing tangential direction that guarantees the thread taking-up axle lower end and take-up board upper end in the same way with axial mobile, must be between thread taking-up axle and sleeve be connected with radially a stop screw, the hole of sleeve by this screw must be slotted hole vertically.This structural disadvantages is: the slotted hole both sides friction of screw and sleeve is big, and mobile dumb, noise is big, after friction is serious, can not guarantee that the thread taking-up axle bottom end bearing cooperates with position between the take-up board, easily cause the take-up board action not in place and influence suture quality, even the damage syringe needle.
The purpose of this utility model just provide a kind of take up room little, friction is little, in addition, an extension spring that makes progress is arranged on take-up board, this structure takes up room greatly, easy scratching.At arbitrarily angled take-up board transmission device that can both nimble transmission.
The technical solution of the utility model is: comprise thread taking-up axle, take-up sleeve, take-up panel seat, take-up board, screw.The take-up sleeve is fixed in the hole of take-up panel seat, and thread taking-up axle is slidingly fitted in the take-up sleeve, and an end of take-up board is movably connected in the groove of take-up panel seat bottom by screw.There is the top of an end of screw that one vertical end that makes progress is arranged at take-up board, a circular hole vertical with above-mentioned vertical end arranged in the take-up panel seat, a helical spring is arranged within it; Part in described thread taking-up axle is enclosed within the take-up sleeve has one to make its elastic force apparatus that makes progress, and at the center, lower end of thread taking-up axle one steel ball is arranged.
The structure of described thread taking-up axle and take-up sleeve is: the aperture at the both ends of take-up sleeve is greater than middle aperture.In the thread taking-up axle upper end end cap is arranged, there is screwed hole its lower end.The Lower Half of thread taking-up axle is the steel ball of screw rod, center pillar, column cap and next top thereof from top to bottom successively, and screw rod is connected with the screwed hole of end cap, at screw jacket helical spring is arranged, and screw rod passes the sleeve middle part; The bottom internal diameter of the diameter of center pillar and sleeve is slidingly matched; The column cap diameter is positioned at the lower end of sleeve greater than center pillar.
Described elastic force apparatus is described helical spring, and its diameter is greater than sleeve middle part endoporus, and is enclosed within on the screw rod of top endoporus of sleeve.
The utility model has the advantages that: contact with the take-up board upper end because the steel ball at the top, lower end of thread taking-up axle has only a bit, can guarantee reliable transmission under any angle, therefore, can remove stop screw of the prior art, so just reduced friction, moved lightly, noise is little; Extension spring is placed in the take-up panel seat, saved the space.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a prior art take-up board transmission device schematic diagram;
Fig. 2 is the utility model structural representation;
Fig. 3 is the structural representation of the utility model thread taking-up axle and sleeve.
Referring to Fig. 1, there is a bearing 18 lower end that is enclosed within the thread taking-up axle 1 in the sleeve 2, and slotted hole 10 is vertically arranged on sleeve 2, has a stop screw 9 to pass slotted hole 10 and is fixed on the thread taking-up axle 1.There is an extension spring 5 upwards to hang on the screw of take-up panel seat in the upper end of take-up board 4, gives 4 one elastic force that make progress of take-up board.When thread taking-up axle 1 moved down, the contact point of take-up board 4 upper ends and bearing 18 also had little moving, and had only when bearing 18 cylindricals tangentially with take-up board 4 upper ends in the same way the time, and bearing 18 rotates the friction minimum.Once after 10 wearing and tearing of stop screw 9 and slotted hole, thread taking-up axle 1 just with the sleeve 2 relative certain angles that turn over, breakking away will appear in the rotation of bearing 8 on take-up board 4, the friction increase, displacement also can change.
Referring to Fig. 2, the utility model comprises thread taking-up axle 1, take-up sleeve 2, take-up panel seat 3, take-up board 4, screw 7.Take-up sleeve 2 is fixed in the hole of take-up panel seat 3, and thread taking-up axle 1 is slidingly fitted in the take-up sleeve 2.One end of take-up board 4 is movably connected in the groove of take-up panel seat 3 bottoms by screw 7.Take-up board 4 has the top of an end of screw 7 that a vertical end that makes progress (15) is arranged, one circular hole (8) vertical with above-mentioned vertical end (15) arranged in take-up panel seat (3), one helical spring (5) is arranged within it, it replaces extension spring 5 of the prior art, promote the vertical end 15 of take-up board 4 by outside elastic force, make take-up board 4 produce elastic force upwards, its upper end is attached on the steel ball 6 of thread taking-up axle 1 lower end, move up and down with it.The part that is enclosed within the take-up sleeve 2 at described thread taking-up axle 1 has one to make its elastic force apparatus that makes progress, and at the center, 1 lower end of thread taking-up axle one steel ball 6 is arranged.
Referring to Fig. 3, the structure of described thread taking-up axle 1 and take-up sleeve 2 is: the aperture at the both ends of take-up sleeve 2 has end cap 11 greater than middle aperture in thread taking-up axle 1 upper end, and the top endoporus of its external diameter and sleeve 2 is slidingly matched, and in its lower end screwed hole is arranged.The Lower Half of thread taking-up axle 1 is the steel ball 6 of screw rod 12, center pillar 13, column cap 14 and next top thereof from top to bottom successively, and screw rod 12 is connected with the screwed hole of end cap 11, at screw jacket helical spring 16 is arranged, and screw rod 12 passes the middle part of sleeve and 2; The bottom internal diameter of the diameter of center pillar 13 and sleeve 2 is slidingly matched; Column cap 14 diameters are positioned at the lower end of sleeve 2 greater than center pillar 13.
Described elastic force apparatus is described helical spring 16, and its diameter is greater than sleeve 2 middle part endoporus, and is enclosed within on the screw rod 12 of top endoporus of sleeve 2.
When using the utility model, the top of thread taking-up axle 1 applies up and down reciprocatingly pressure by other driving member, this pressure overcomes the elastic force that makes progress of 16 pairs of thread taking-up axles 1 of helical spring, makes it to promoting take-up board 4 around screw 7 swings, finishes the take-up action of take-up board 4.Because steel ball 16 is a spheroidal, so no matter how thread taking-up axle rotates, steel ball 16 all is a bit with the contact-making surface of take-up board 4 upper ends, transmission normally.
Claims (3)
1, a kind of sewing machine take-up board transmission device, comprise thread taking-up axle (1), take-up sleeve (2), take-up panel seat (3), take-up board (4), screw (7), take-up sleeve (2) is fixed in the hole of take-up panel seat (3), thread taking-up axle (1) is slidingly fitted in the take-up sleeve (2), one end of take-up board (4) is movably connected in the groove of take-up panel seat (3) bottom by screw (7), it is characterized in that: a vertical end that makes progress (15) is arranged on the top of take-up board (4), one circular hole (8) vertical with above-mentioned vertical end (15) arranged in take-up panel seat (3), a helical spring (5) is arranged within it; Part in described thread taking-up axle (1) is enclosed within take-up sleeve (2) has one to make its elastic force apparatus that makes progress, and at the center, lower end of thread taking-up axle one steel ball (6) is arranged.
2, sewing machine take-up board transmission device according to claim 1, it is characterized in that: the structure of described thread taking-up axle (1) and take-up sleeve (2) is: the aperture at the both ends of take-up sleeve (2) is greater than middle aperture, in thread taking-up axle (1) upper end is end cap (11), the endoporus on its external diameter and sleeve (2) top is slidingly matched, there is screwed hole its lower end, the Lower Half of thread taking-up axle (1) is screw rod (12) from top to bottom successively, center pillar (13), the steel ball (6) of column cap (14) and next top thereof, screw rod (12) is connected with the screwed hole of upper end cap (11), be with helical spring (16) outside screw rod (12), screw rod (12) passes the middle part of sleeve (2); The bottom internal diameter of the diameter of center pillar (13) and sleeve (2) is slidingly matched; Column cap (14) diameter is positioned at the lower end of sleeve (2) greater than center pillar (13).
3, sewing machine take-up board transmission device according to claim 1 is characterized in that: described elastic force apparatus is described helical spring (16), and its diameter is greater than sleeve (2) middle part endoporus, and is enclosed within on the screw rod (12) of top endoporus of sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01218349 CN2470382Y (en) | 2001-03-28 | 2001-03-28 | Decker driving device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01218349 CN2470382Y (en) | 2001-03-28 | 2001-03-28 | Decker driving device for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2470382Y true CN2470382Y (en) | 2002-01-09 |
Family
ID=33636404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01218349 Expired - Fee Related CN2470382Y (en) | 2001-03-28 | 2001-03-28 | Decker driving device for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2470382Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037835B (en) * | 2007-03-30 | 2012-09-05 | 福建革新机器厂 | Knitting machine thread-taking-up mechanism and process technology of component thereof |
-
2001
- 2001-03-28 CN CN 01218349 patent/CN2470382Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037835B (en) * | 2007-03-30 | 2012-09-05 | 福建革新机器厂 | Knitting machine thread-taking-up mechanism and process technology of component thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020109 |