CN203593873U - Free stretching and drawing structure of faller tongue - Google Patents
Free stretching and drawing structure of faller tongue Download PDFInfo
- Publication number
- CN203593873U CN203593873U CN201320677048.7U CN201320677048U CN203593873U CN 203593873 U CN203593873 U CN 203593873U CN 201320677048 U CN201320677048 U CN 201320677048U CN 203593873 U CN203593873 U CN 203593873U
- Authority
- CN
- China
- Prior art keywords
- needle plate
- tongue
- faller
- cushion block
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000009958 sewing Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
Images
Abstract
The utility model belongs to the technical field of sewing machines, and particularly relates to a free stretching and drawing structure of a faller tongue. The structure comprises a lower knife rest arranged on a case and a faller cushion block arranged on the lower knife rest. One end of a faller is fixed to the faller cushion block. A blade locating plate is arranged on the faller cushion block. A driver is arranged on one side of the lower knife rest. An adapter plate is connected to a movable part of the driver. One end of the faller tongue is arranged on the adapter plate, and the other end of the faller tongue stretches into two needle falling grooves. The movable part of the driver stretches out and draws back to drive the faller tongue to stretch out and draw back automatically on the faller. The driver is connected with an electric cabinet. The structure has the advantages of achieving free stretching and drawing of the faller tongue, keeping a stable trace of the faller tongue, improving sewing quality, preventing thread from being stuck by the faller tongue during reverse stitching (thread residue wrapping) and the like. An air cylinder or an electromagnet or the like drives the faller tongue to stretch out and draw back automatically, and the faller tongue moves along a guide groove in the faller cushion block and a guide groove in the faller and can stretch out and draw back flexibly.
Description
Technical field:
The utility model belongs to sewing machine technique field, refers in particular to a kind of sewing machine needle board tongue free-extension structure.
Background technology:
Four lines or six string overlock seaming machines have two eedles side by side, on corresponding needle plate, also have two needle trays that fall, two fall between needle tray, having needle plate tongue and separate, this needle plate tongue has support cloth, stablize stitching, improve the effect of sewing quality, and can hinder bracing wire (while backstitching refunding needle plate tongue in seam (envelope curve head) operation, its suture can easily be caught on or block by needle plate tongue), so common overlock machine of refunding seam removes needle plate tongue at present, the phenomenon that there will not be suture to be caught on while realizing bracing wire, but do like this and just lose the function that needle plate tongue has originally, affect sewing quality.
Summary of the invention:
The purpose of this utility model is to provide one and had both guaranteed sewing quality, can realize again the needle plate tongue free-extension structure of the function of refunding seam.
The utility model is achieved in that
Needle plate tongue free-extension structure, comprise the lower slide being arranged on casing, be arranged on the needle plate cushion block on lower slide, one end of needle plate is fixed on needle plate cushion block, on needle plate cushion block, be provided with blade location-plate, a side at lower slide is provided with driver, on the movable part of driver, be connected with keyset, one end of needle plate tongue is arranged on keyset, the other end stretches into needle plate two falls in needle tray, flexible drive needle plate tongue automatic telescopic on needle plate of the movable part of driver, driver is connected with electric cabinet.
Above-mentioned driver is fixed on connecting plate, and connecting plate is fixed on needle plate cushion block, between connecting plate and lower slide, is formed with space, and driver is arranged in space.
Above-mentioned keyset is arranged on below, the connecting plate inner side of needle plate cushion block, keyset includes the first connecting plate and second and connects, the second connecting plate is fixed on the top of the first connecting plate, and the movable part of driver is fixed on the first connecting plate, and one end of needle plate tongue is arranged on the second connecting plate.
Above-mentioned driver is cylinder or electromagnet, the cylinder rod of cylinder or one end of the iron core of electromagnet is connected with the first connecting plate.
On the second above-mentioned connecting plate, be provided with connecting pin, one end of needle plate tongue is the open slot matching with connecting pin, and the open slot of needle plate tongue is sleeved on outside connecting pin, and needle plate tongue can rotate around connecting pin.
Above-mentioned needle plate tongue is: includes afterbody, middle part and head, is provided with open slot at afterbody, and the upper plane at middle part and the upper plane parallel of head, and the upper plane of head is higher than the upper plane at middle part.
On above-mentioned needle plate cushion block, be provided with needle plate tongue activity-oriented groove, the groove that is upper end open near one end of needle plate on needle plate tongue activity-oriented groove, away from one end of needle plate be on transfixion pin board spacer lower plane run through groove, the afterbody of needle plate tongue and middle part along needle plate cushion block run through groove and groove moves.
On the baseplane of above-mentioned needle plate, be provided with needle plate tongue gathering sill, the head of needle plate tongue moves along the needle plate tongue gathering sill on needle plate.
The advantage that the utility model is given prominence to is compared to existing technology:
1, the utility model can be realized the free-extension of needle plate tongue, has both retained needle plate tongue and has stablized stitching, improves the advantages such as sewing quality, can realize again the function that while refunding seam (envelope curve head), its suture is not blocked by needle plate tongue;
2, the utility model drives the automatic telescopic of needle plate tongue by cylinder or electromagnet etc., and needle plate tongue moves along the gathering sill on needle plate cushion block and needle plate, flexibly flexible.
Accompanying drawing explanation:
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Fig. 3 is one of annexation schematic diagram of cylinder of the present utility model and keyset, needle plate tongue and needle plate;
Fig. 4 be cylinder of the present utility model and keyset, needle plate tongue and needle plate annexation schematic diagram two;
Fig. 5 is the reverse side schematic diagram of needle plate of the present utility model.
The specific embodiment:
With specific embodiment, the utility model is further described below, referring to Fig. 1-5:
Needle plate tongue free-extension structure, comprise the lower slide 2 being arranged on casing 1, be arranged on the needle plate cushion block on lower slide 2, one end of needle plate 3 is fixed on needle plate cushion block, on needle plate cushion block, be provided with blade location-plate 4, a side at lower slide 2 is provided with driver, on the movable part of driver, be connected with keyset, one end of needle plate tongue 5 is arranged on keyset, the other end stretches into two of needle plate 3 and falls in needle tray 6, flexible drive needle plate tongue 5 automatic telescopic on needle plate 3 of the movable part of driver, driver is connected with electric cabinet.
Above-mentioned driver is fixed on connecting plate 7, and connecting plate 7 is fixed on needle plate cushion block, between connecting plate 7 and lower slide 2, is formed with space 8, and driver is arranged in space 8.
Above-mentioned keyset is arranged on below, connecting plate 7 inner sides of needle plate cushion block, keyset includes the first connecting plate 9 and second and connects 10, the second connecting plate 10 is fixed on the top of the first connecting plate 9, the movable part of driver is fixed on the first connecting plate 9, and one end of needle plate tongue 5 is arranged on the second connecting plate 10.
Above-mentioned driver is cylinder 11 or electromagnet, and the cylinder rod 12 of cylinder 11 or one end of the iron core of electromagnet are connected with the first connecting plate 9.
On the second above-mentioned connecting plate 10, be provided with connecting pin 13, one end of needle plate tongue 5 is the open slot 14 matching with connecting pin 13, and the open slot 14 of needle plate tongue 5 is sleeved on outside connecting pin 13, and needle plate tongue 5 can rotate around connecting pin 13.
Above-mentioned needle plate tongue 5 is: includes afterbody 15, middle part 16 and head 17, is provided with open slot 14 at afterbody 15, and the upper plane at middle part 16 and the upper plane parallel of head 17, and the upper plane of head 17 is higher than the upper plane at middle part 16.
On above-mentioned needle plate cushion block, be provided with needle plate tongue activity-oriented groove, the groove that is upper end open near one end of needle plate 3 on needle plate tongue activity-oriented groove, away from one end of needle plate 3 be on transfixion pin board spacer lower plane run through groove, the afterbody 15 of needle plate tongue 5 and middle part 16 along needle plate cushion block run through groove and groove moves.Blade location-plate 4 is arranged on needle plate cushion block, guarantees that needle plate tongue 5 moves in groove, is unlikely to perk.
On the baseplane of above-mentioned needle plate 3, be provided with needle plate tongue gathering sill 18, the head 17 of needle plate tongue 5 moves along the needle plate tongue gathering sill 18 on needle plate 3.
Generally, the head 17 of needle plate tongue 5 stretches into two of needle plate 3 and falls in needle tray 6, has retained needle plate tongue and has stablized stitching, while refunding seam (envelope curve head), the head of needle plate tongue 5 17 is bounced back, and guarantees that its suture is not blocked by needle plate tongue 5.
Above-described embodiment is only one of preferred embodiment of the present utility model; not limit practical range of the present utility model with this; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection domain of the present utility model.
Claims (8)
1. needle plate tongue free-extension structure, comprise the lower slide being arranged on casing, be arranged on the needle plate cushion block on lower slide, one end of needle plate is fixed on needle plate cushion block, on needle plate cushion block, be provided with blade location-plate, it is characterized in that: the side at lower slide is provided with drive unit, on the movable part of drive unit, be connected with keyset, one end of needle plate tongue is arranged on keyset, the other end stretches into needle plate two falls in needle tray, flexible drive needle plate tongue automatic telescopic on needle plate of the movable part of drive unit, drive unit is connected with electric cabinet.
2. needle plate tongue free-extension structure according to claim 1, is characterized in that: described drive unit is fixed on connecting plate, and connecting plate is fixed on needle plate cushion block, between connecting plate and lower slide, is formed with space, and drive unit is arranged in space.
3. needle plate tongue free-extension structure according to claim 1, it is characterized in that: described keyset is arranged on below, the connecting plate inner side of needle plate cushion block, keyset includes the first connecting plate and second and connects, the second connecting plate is fixed on the top of the first connecting plate, the movable part of drive unit is fixed on the first connecting plate, and one end of needle plate tongue is arranged on the second connecting plate.
4. according to the needle plate tongue free-extension structure described in claim 1-3 any one, it is characterized in that: described drive unit is cylinder or electromagnet the cylinder rod of cylinder or one end of the iron core of electromagnet is connected with the first connecting plate.
5. needle plate tongue free-extension structure according to claim 3, it is characterized in that: on the second described connecting plate, be provided with connecting pin, one end of needle plate tongue is the open slot matching with connecting pin, and the open slot of needle plate tongue is sleeved on outside connecting pin, and needle plate tongue can rotate around connecting pin.
6. needle plate tongue free-extension structure according to claim 5, it is characterized in that: described needle plate tongue is: include afterbody, middle part and head, be provided with open slot at afterbody, the upper plane at middle part and the upper plane parallel of head, and the upper plane of head is higher than the upper plane at middle part.
7. needle plate tongue free-extension structure according to claim 1, it is characterized in that: on described needle plate cushion block, be provided with needle plate tongue activity-oriented groove, the groove that is upper end open near one end of needle plate on needle plate tongue activity-oriented groove, away from one end of needle plate be on transfixion pin board spacer lower plane run through groove, the afterbody of needle plate tongue and middle part along needle plate cushion block run through groove and groove moves.
8. needle plate tongue free-extension structure according to claim 1, is characterized in that: on the baseplane of described needle plate, be provided with needle plate tongue gathering sill, the head of needle plate tongue moves along the needle plate tongue gathering sill on needle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320677048.7U CN203593873U (en) | 2013-10-29 | 2013-10-29 | Free stretching and drawing structure of faller tongue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320677048.7U CN203593873U (en) | 2013-10-29 | 2013-10-29 | Free stretching and drawing structure of faller tongue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203593873U true CN203593873U (en) | 2014-05-14 |
Family
ID=50674771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320677048.7U Expired - Lifetime CN203593873U (en) | 2013-10-29 | 2013-10-29 | Free stretching and drawing structure of faller tongue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203593873U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105177879A (en) * | 2015-09-01 | 2015-12-23 | 北京华美丽服饰有限公司 | Flat seaming machine with corner folding function |
| CN107956055A (en) * | 2017-12-29 | 2018-04-24 | 杰克缝纫机股份有限公司 | A kind of use in sewing machine needle plate and sewing machine |
| CN109505076A (en) * | 2018-12-21 | 2019-03-22 | 中山百川汇盈精密实业有限公司 | Automatic envelope curve head sewing machine |
| US10883213B2 (en) | 2018-05-18 | 2021-01-05 | Janome Sewing Machine Co., Ltd. | Needle plate detachable mechanism and sewing machine having needle plate detachable mechanism |
-
2013
- 2013-10-29 CN CN201320677048.7U patent/CN203593873U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105177879A (en) * | 2015-09-01 | 2015-12-23 | 北京华美丽服饰有限公司 | Flat seaming machine with corner folding function |
| CN105177879B (en) * | 2015-09-01 | 2018-07-27 | 北京华美丽服饰有限公司 | A kind of band folds the flat seaming machine of angle function |
| CN107956055A (en) * | 2017-12-29 | 2018-04-24 | 杰克缝纫机股份有限公司 | A kind of use in sewing machine needle plate and sewing machine |
| US10883213B2 (en) | 2018-05-18 | 2021-01-05 | Janome Sewing Machine Co., Ltd. | Needle plate detachable mechanism and sewing machine having needle plate detachable mechanism |
| TWI725394B (en) * | 2018-05-18 | 2021-04-21 | 日商車樂美縫衣機工業股份有限公司 | Needle plate attachment and detachment mechanism and sewing machine including same |
| CN109505076A (en) * | 2018-12-21 | 2019-03-22 | 中山百川汇盈精密实业有限公司 | Automatic envelope curve head sewing machine |
| CN109505076B (en) * | 2018-12-21 | 2024-04-09 | 中山百川汇盈精密实业有限公司 | Automatic thread wrapping head sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JACK SEWING CO., LTD. Free format text: FORMER NAME: NEW JACK SEWING MACHINE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee after: JACK SEWING MACHINE Co.,Ltd. Address before: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee before: NEW JACK SEWING MACHINE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |