CN201459386U - Thread clipping device of sewing machine - Google Patents
Thread clipping device of sewing machine Download PDFInfo
- Publication number
- CN201459386U CN201459386U CN2009201231205U CN200920123120U CN201459386U CN 201459386 U CN201459386 U CN 201459386U CN 2009201231205 U CN2009201231205 U CN 2009201231205U CN 200920123120 U CN200920123120 U CN 200920123120U CN 201459386 U CN201459386 U CN 201459386U
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- thread
- clamp
- sewing machines
- wire
- clamping device
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Abstract
The utility model provides a thread clipping device of a sewing machine, which belongs to the technical field of sewing equipment and solves the technical problems of the poor thread pressing effect, poor formed stitch quality and the like of the thread clipping device of the conventional sewing machine. The thread clipping device of the sewing machine is arranged on a shell of the sewing machine and comprises a thread clipping seat with a thread guide groove and a thread clipping plate with an ejecting and pressing part, wherein the thread clipping seat is hinged together with the thread clipping plate; the ejecting and pressing part corresponds to the thread guide part; and a swinging mechanism is arranged between the thread clipping seat and the thread clipping plate and can control the thread clipping plate to swing relative to the thread clipping seat and realize thread pressing or thread releasing. The thread clipping device of the sewing machine has the advantages of simple structure, convenient operation, good thread pressing effect, relatively lower cost and the like.
Description
Technical field
The utility model belongs to technical field of sewing equipment, relates to the wire-clamping device of a kind of wire-clamping device, particularly a kind of Sewing machines.
Background technology
Possessing on the automatic tangent function Sewing machines in the past, as shown in Figure 4, have: base plate 1, vertically the casing 2 on configuration and the base plate, be configured in the casing head 3 configurations of take-up thorn cloth apparatus and base plate in automatic tangent apparatus, be configured in the Sewing machines head, back to operator's suture separator 4.
When the operator started suture separator 4 in the process of making, Sewing machines started suture separator 4 rapidly after executing the tangent line instruction, and the pole 4a on the suture separator 4 separates upper thread 5 and stay the top of pressure foot 7 from sewing 6.When Sewing machines starts when making once more, the upper thread 5 of staying the presser feet top will can not be followed sewing and together will be fixed on pressure foot 7 belows.The eedle 3a that thrusts sewing together thrusts sewing with upper thread 5, therefore, make finish after, on the surface of sewing will excessive thread ends can not appear, effectively guaranteed the attractive in appearance of stitching.
Yet as shown in Figure 5, when the operator did not start suture separator 4, Sewing machines was after executing the tangent line instruction, and upper thread 5 will can not separate from sewing.When taking out sewing or change sewing, the operator starts once more when making, being reserved in upper thread 5 on the eedle 3a might follow sewing and together be fixed on pressure foot 7 belows, be fixed on the upper thread 5 of pressure foot 7 belows because be subjected to the pressure constraint of pressure foot 7, the eedle 3a that can't be thrust sewing together thrusts sewing.Therefore, make finish after, will have the residual wires head on the surface of sewing, influenced the attractive in appearance of stitching.
On the other hand, when the operator made replacing sewing or suture, because the coefficient of friction of different sewings and suture is different, the tension force of suture also can change.Therefore, under the situation of the automatic tangent apparatus of not adjusting Sewing machines or wire-clamping device, Sewing machines is reserved in the eedle opposite side behind automatic tangent upper thread length will change, when especially being reserved in upper thread length on the eedle 3a and shortening, after the Sewing machines startup is made, thread take-up tension lever 3b because moment inertia force can make upper thread 5 produce the moment tensile forces, might make in the upper thread 5 slave pin hole 3a that are reserved on the eedle 3a to break away from, make work and just can't carry out.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, proposed a kind of simple in structure, line ball is effective can guarantee the wire-clamping device of the Sewing machines that the Sewing machines stitching forms.
The purpose of this utility model can realize by following technical proposal: a kind of wire-clamping device of Sewing machines, be arranged on the casing of Sewing machines, it is characterized in that, comprise tension seat with crossed beam trunking and clamp with roof pressure portion, described tension seat and clamp are hinged, described roof pressure portion is corresponding with above-mentioned crossed beam trunking, is provided with one between described tension seat and the clamp and can controls clamp with respect to the swing mechanism tension seat swing and that can realize line ball or loose ends.
The wire-clamping device of this Sewing machines is arranged on the casing of Sewing machines, is used for upper thread being compressed or unclamping.The groundwork principle is such, and under the effect of swing mechanism, clamp is swung with respect to tension seat, and after clamp swung to a certain degree, the roof pressure portion of clamp broke away from crossed beam trunking, and upper thread just can enter into crossed beam trunking like this; After clamp swung to a certain degree again, the roof pressure portion of clamp leaned in crossed beam trunking, so just the upper thread in the crossed beam trunking can be compressed.
In the wire-clamping device of above-mentioned Sewing machines, described swing mechanism is made up of pressuring line structure and loose ends structure. and realize compressing of upper thread by pressuring line structure, the loose ends structure realizes unclamping of upper thread.
In the wire-clamping device of above-mentioned Sewing machines, described pressuring line structure comprises solenoid and iron core, and described solenoid is connected with above-mentioned tension seat mutually by screw, and described iron core passes solenoid and tension seat and above-mentioned clamp leans.
Solenoid is that power supply links to each other, after solenoid link powers on, solenoid produces magnetic iron core is adsorbed up, one end of iron core withstands on the clamp, make of the pin joint upwards swing of an end of clamp round tension seat and clamp, and the roof pressure portion that is positioned at the clamp other end is to lower swing, and roof pressure portion just can lean on crossed beam trunking like this, and the upper thread that will be arranged in pressuring line groove compresses.
In the wire-clamping device of above-mentioned Sewing machines, described loose ends structure is a spring, and described spring one end acts on the tension seat, and the other end acts on the clamp, and described spring and solenoid are positioned at the not homonymy of tension seat and clamp pin joint.
Under the effect of the elastic force of spring, the roof pressure portion of clamp end is upwards swung round the pin joint of tension seat and clamp, and roof pressure portion just breaks away from crossed beam trunking like this, and upper thread just can enter into crossed beam trunking.
In the wire-clamping device of above-mentioned Sewing machines, be hinged by pin one between described tension seat and the clamp.By pin one tension seat and clamp are coupled together, make the clamp can be round pin one swing.
In the wire-clamping device of above-mentioned Sewing machines, link to each other by pin two between described solenoid and the iron core.By pin two is set between solenoid and iron core, iron core can be moved freely on the direction of pin two.
In the wire-clamping device of above-mentioned Sewing machines, described core ends also is provided with and prevents that pin two breaks away from the back-up ring of iron core.By being set, this back-up ring prevents that pin two breaks away from iron core, can move freely iron core normally on the direction of pin two.
Compared with prior art, the wire-clamping device of this Sewing machines has the following advantages:
1, the pressuring line structure of the wire-clamping device of this Sewing machines is made up of solenoid and iron core, produces magnetic absorption iron core by solenoidal energising, promotes clamp around pin one swing, thereby realizes compressing of upper thread, and is simple in structure, easy to operate, line ball is effective.
2, the loose ends structure of the wire-clamping device of this Sewing machines is a spring, elastic force by spring, the roof pressure portion end that makes clamp is round upwards swing of pin one, realize that roof pressure portion just breaks away from crossed beam trunking, thereby make upper thread enter into crossed beam trunking smoothly, simple in structure, result of use good and effectively reduced production cost.
Description of drawings
Fig. 1 is the structural representation of the wire-clamping device of this Sewing machines.
Fig. 2 is the perspective view of this Sewing machines.
Structural representation when Fig. 3 is the work of this Sewing machines.
Fig. 4 is the perspective view of Sewing machines of the prior art.
Fig. 5 is the machine structural representation in when work of threading of the prior art.
Among the figure, 1, tension seat; 1a, crossed beam trunking 2, clamp; 2a, roof pressure portion; 3, solenoid; 4, iron core; 5, screw 6, spring; 7, pin one; 8, pin two; 9, back-up ring; 10, casing; 11, take-up thorn cloth apparatus 12, tension disk; 13, cloth-pressing device; 14, lid; 15, eedle; 16, pressure foot; 17, upper thread; 18, base plate.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, the wire-clamping device of this Sewing machines, be arranged on the casing 10 of Sewing machines, comprise tension seat 1 with crossed beam trunking 1a and clamp 2 with the 2a of roof pressure portion, described tension seat 1 is hinged with clamp 2, the described roof pressure 2a of portion is corresponding with above-mentioned crossed beam trunking 1a, is provided with one between described tension seat 1 and the clamp 2 and can controls clamp 2 with respect to tension seat swing mechanism 1 swing and that can realize line ball or loose ends.
Particularly, described swing mechanism is made up of pressuring line structure and loose ends structure.Realize compressing of upper thread 17 by pressuring line structure, the loose ends structure realizes unclamping of upper thread 17.
Pressuring line structure comprises solenoid 3 and iron core 4, and described solenoid 3 is connected with above-mentioned tension seat 1 mutually by screw 5, and described iron core 4 passes solenoid 3 and tension seat 1 and leans with above-mentioned clamp 2.Solenoid 3 is that power supply links to each other, after solenoid 3 logical powering on, solenoid 3 produces magnetic iron core 4 absorption is come up, one end of iron core 4 withstands on the clamp 2, an end that makes clamp 2 is round the pin joint upwards swing of tension seat 1 with clamp 2, and the 2a of roof pressure portion that is positioned at clamp 2 other ends is to lower swing, and the 2a of roof pressure portion just can lean on crossed beam trunking 1a like this, and the upper thread 17 that will be arranged in pressuring line groove compresses.
The loose ends structure is a spring 6, and described spring 6 one ends act on the tension seat 1, and the other end acts on the clamp 2, and described spring 6 and solenoid 3 are positioned at the not homonymy of tension seat 1 and clamp 2 pin joints.Under the effect of the elastic force of spring 6, the 2a of roof pressure portion of clamp 2 end is round the pin joint upwards swing of tension seat 1 with clamp 2, and the 2a of roof pressure portion just breaks away from crossed beam trunking 1a like this, and upper thread 17 just can enter into crossed beam trunking 1a.
Between tension seat 1 and clamp 2, be hinged by pin 1.By pin 1 tension seat 1 and clamp 2 are coupled together, clamp 2 can be swung round pin 1.Link to each other by pin 28 between described solenoid 3 and the iron core 4.By between solenoid 3 and iron core 4, pin 28 being set, iron core 4 can be moved freely on the direction of pin 28.Iron core 4 ends also are provided with and prevent that pin 28 breaks away from the back-up ring 9 of iron core 4.By being set, this back-up ring 9 prevents that pin 28 breaks away from iron core 4, can move freely iron core 4 normally on the direction of pin 28.
As shown in Figure 2, the Sewing machines in the present embodiment also comprise base plate 18, vertically be arranged at base plate 18 tops casing 10, take-up thorn cloth apparatus 11, automatic thread trimming device, tension disk 12, cloth-pressing device 13, be arranged on the lid 14 of casing 10 front ends.
Casing 10 vertically is arranged on base plate 18 tops, take-up thorn cloth apparatus 11 is set at casing 10 heads, cloth-pressing device 13 is set in casing 10 heads, the dead astern of take-up thorn cloth apparatus 11, automatic thread trimming device is set at base plate 18 inside, and wire-clamping device is set on the lid 14 of casing 10 front ends, the lower left of thread take-up tension lever, the upper left side of tension disk 12.
As shown in Figure 3, pass the crossed beam trunking 1a and the eedle 15 of tension disk 12, thread take-up tension lever, wire-clamping device successively from the outside upper thread of introducing 17 of Sewing machines.
When the operator puts into sewing and starts first pin make, the solenoid 3 energising backs of wire-clamping device produce magnetic iron core 4 absorption are come up, one end of iron core 4 withstands on the clamp 2, promote clamp 2 one ends and overcome the elastic force of spring 6 around upwards swing of pin 1, and the 2a of roof pressure portion that is positioned at the clamp other end is to lower swing, the 2a of roof pressure portion just can lean on crossed beam trunking 1a like this, and the upper thread 17 that will be arranged in pressuring line groove compresses.
When upper thread 17 is pressed among the crossed beam trunking 1a fully, the thread take-up tension lever of having avoided carrying out take-up breaks away from upper thread 17 from the cable-through hole of eedle 15, upper thread 17 together thrusts sewing with eedle 15 immediately, when sewing finishing, residual upper thread 17 the end of a thread will can not appear in the surface at sewing, effectively guarantee to make the attractive in appearance of stitching.
After Sewing machines finished take-up thorn cloth action for the first time, the power supply of wire-clamping device was cut off, and therefore can not influence the follow-up work of making. when Sewing machines execute once make operation after, when Sewing machines started once more, wire-clamping device promptly repeated above-mentioned action.
On the other hand, after the operator puts sewing into pressure foot 16 belows, whether the upper thread 17 that no matter is reserved in eedle 15 opposite sides together is fixed on the below of pressure foot 16, after Sewing machines starts, because the chucking power of wire-clamping device is far longer than the frictional force that forms between pressure foot 16 and the upper thread 17, upper thread 17 all can together be thrust sewing by eedle 15, and can not be left in the sewing surface, thereby has guaranteed sewing thread trace attractive in appearance.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used 1, tension seat morely; 1a, crossed beam trunking; 2, clamp; 2a, roof pressure portion; 3, solenoid; 4, iron core; 5, screw; 6, spring 7, pin one; 8, pin two; 9, back-up ring; 10, casing; 11, take-up thorn cloth apparatus; 12, tension disk; 13, cloth-pressing device; 14, lid; 15, eedle; 16, pressure foot; 17, term such as upper thread, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. the wire-clamping device of a Sewing machines, be arranged on the casing (10) of Sewing machines, it is characterized in that, comprise have crossed beam trunking (1a) tension seat (1) and have the clamp (2) of roof pressure portion (2a), described tension seat (1) is hinged with clamp (2), described roof pressure portion (2a) is corresponding with above-mentioned crossed beam trunking (1a), is provided with one between described tension seat (1) and the clamp (2) and can controls clamp (2) with respect to swing mechanism tension seat (1) swing and that can realize line ball or loose ends.
2. the wire-clamping device of Sewing machines according to claim 1 is characterized in that, described swing mechanism is made up of pressuring line structure and loose ends structure.
3. the wire-clamping device of Sewing machines according to claim 2, it is characterized in that, described pressuring line structure comprises solenoid (3) and iron core (4), described solenoid (3) is connected with above-mentioned tension seat (1) mutually by screw (5), and described iron core (4) passes solenoid (3) and tension seat (1) and leans with above-mentioned clamp (2).
4. the wire-clamping device of Sewing machines according to claim 2, it is characterized in that, described loose ends structure is a spring (6), described spring (6) one ends act on the tension seat (1), the other end acts on the clamp (2), and described spring (6) and solenoid (3) are positioned at the not homonymy of tension seat (1) and clamp (2) pin joint.
5. the wire-clamping device of Sewing machines according to claim 3 is characterized in that, is hinged by pin one (7) between described tension seat (1) and the clamp (2).
6. the wire-clamping device of Sewing machines according to claim 1 and 2 is characterized in that, links to each other by pin two (8) between described solenoid (3) and the iron core (4).
7. the wire-clamping device of Sewing machines according to claim 6 is characterized in that, described iron core (4) end also is provided with and prevents that pin two (8) breaks away from the back-up ring (9) of iron core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201231205U CN201459386U (en) | 2009-06-29 | 2009-06-29 | Thread clipping device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201231205U CN201459386U (en) | 2009-06-29 | 2009-06-29 | Thread clipping device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201459386U true CN201459386U (en) | 2010-05-12 |
Family
ID=42386740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201231205U Expired - Fee Related CN201459386U (en) | 2009-06-29 | 2009-06-29 | Thread clipping device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201459386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803694A (en) * | 2016-05-10 | 2016-07-27 | 刘影 | Clamping device for sewing machine |
-
2009
- 2009-06-29 CN CN2009201231205U patent/CN201459386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803694A (en) * | 2016-05-10 | 2016-07-27 | 刘影 | Clamping device for sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ZOJE SEWING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGJIE SEWING MACHINE CO., LTD. Effective date: 20140926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140926 Address after: 317604 Yuhuan County barley island Subdistrict Office, Zhejiang, Taizhou Patentee after: Zhejiang Zoje Sewing Technology Co., Ltd. Address before: 317604 Zhejiang Province, Yuhuan County Chen Yu Zhen Damaiyu Development Zone Patentee before: Zhongjie Sewing Machine Co., Ltd. |
|
| 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: 20100512 Termination date: 20170629 |