CN111235771B - Sewing machine with thread clamping device convenient to install - Google Patents
Sewing machine with thread clamping device convenient to install Download PDFInfo
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- CN111235771B CN111235771B CN202010202987.0A CN202010202987A CN111235771B CN 111235771 B CN111235771 B CN 111235771B CN 202010202987 A CN202010202987 A CN 202010202987A CN 111235771 B CN111235771 B CN 111235771B
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- wire clamp
- clamping device
- clamping
- threaded hole
- wire
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to the technical field of sewing machines, in particular to a sewing machine with a thread clamping device convenient to install, which comprises a workbench, a machine head and the thread clamping device, wherein the machine head is fixedly arranged at one end of the upper surface of the workbench; in the process of dismounting or mounting the thread clamping device on the sewing machine, the thread clamping device can be dismounted or mounted only by pushing the locking ring sleeve inwards or outwards, the operation is extremely convenient, the cover body of the machine head does not need to be opened, and then the thread clamping device is screwed down by using a screwdriver, so that great convenience is brought to operators, the shutdown caused by maintenance and replacement of the thread clamping device is reduced, and the working efficiency of the sewing machine is effectively improved.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a sewing machine with a thread clamping device convenient to install.
Background
The sewing machine is a common fabric processing device and mainly comprises a workbench, a machine body, a machine head and other parts. A thread clamping device is arranged on a machine head of the sewing machine and is mainly used for clamping a thread during sewing and giving a proper clamping force to the thread. When the clamping force is too large, the tension on the sewing thread is too large and the sewing thread is easy to break when the machine needle guides the sewing thread to sew, and if the clamping force is too small, the tension on the sewing thread is too small when the machine needle guides the sewing thread to sew, and the stitch quality is influenced. At present, a thread clamping device on a machine head of an existing sewing machine is fixed on the machine head through screws or bolts, when the thread clamping device breaks down, a cover body on the machine head needs to be opened, and the thread clamping device can be taken down from the machine head for maintenance and replacement through a screwdriver, so that great inconvenience is brought to operating personnel.
The utility model with the patent number of CN209428721U discloses a novel household sewing machine panel thread clamping device, which comprises a connecting rod, six threads are uniformly distributed on the surface of the connecting rod, one end of the connecting rod is in threaded connection with a threaded hole formed in the middle of a rotary button, the other end of the connecting rod is in threaded connection with through holes formed in the middle of two thread clamping discs, and a first spring is sleeved on the surface of the connecting rod; the thread clamping device is arranged on the head of a sewing machine, and can be fixed by screwing the bolt into the through hole, so that when the thread clamping device is damaged and needs to be maintained or replaced, the steps are complicated. Therefore, aiming at the defect that the thread clamping device on the existing sewing machine is inconvenient to install, the sewing machine capable of installing the thread clamping device quickly and conveniently is designed, and the technical problem to be solved is solved.
Disclosure of Invention
The invention aims to overcome the defects that a thread clamping device of a sewing machine is fixed and cannot be quickly maintained or replaced, and provides a sewing machine with a conveniently-installed thread clamping device, which is used for quickly taking down or installing the thread clamping device.
The invention is realized by the following technical scheme:
a sewing machine with a thread clamping device convenient to install comprises a workbench, a machine head and a thread clamping device, wherein the machine head is fixedly arranged at one end of the upper surface of the workbench, a first threaded hole is formed in the front side surface of the machine head, a thread clamping device mounting cylinder is arranged in the first threaded hole, external threads matched with the first threaded hole are arranged on the outer surface of the thread clamping device mounting cylinder, a limiting slot is formed in the upper surface of the thread clamping device mounting cylinder, a vertical groove is formed in the machine head right above the limiting slot, a movable limiting block is arranged in the vertical groove, the top end of the movable limiting block is connected with a first spring, the upper end of the first spring is connected with the top wall of the vertical groove, a second threaded hole is formed in the machine head above the first threaded hole, a wedge-shaped groove is formed in the movable limiting block close to one side of the second threaded hole, and a wedge-shaped top block is arranged in the second threaded hole, a jacking bolt is screwed in the second threaded hole, and the inner end of the jacking bolt is abutted with the wedge-shaped jacking block;
the outer end surface of the wire clamping device mounting cylinder is connected with a plurality of elastic connecting strips, the elastic connecting strips surround the outer end surface of the wire clamping device mounting cylinder and are arranged in a rectangular array, the outer ends of the elastic connecting strips are connected with clamping strips, the outer surfaces of the clamping strips are arc-shaped, the inner surface of the clamping strip is a horizontal plane, the outer surfaces of a plurality of clamping strips form a circular ring, the inner surface of the circular ring forms a square, a plurality of clamping teeth are arranged on the inner wall surface of the clamping strip, arc-shaped bulges are arranged at the outer end of the clamping strip, locking ring sleeves are arranged on the outer circumferential surfaces of a plurality of clamping strips, the inner end surface of the wire clamping device is connected with a square column, the four side surfaces of the square column are respectively provided with a tooth clamping groove corresponding to the clamping tooth, the inner end face of the square column is connected with a connecting column which can be inserted into the wire clamp mounting cylinder, and through holes which can penetrate through a wire clamp guide rod are formed in the connecting column and the square column.
As the further setting of above-mentioned scheme, the wire clamper includes guide arm, first fastener, second spring and screws up the nut, first fastener, second fastener all set up on the guide arm of spliced pole outer end, the second spring sets up the lateral surface at the second fastener, the outer end cover of second spring is equipped with the activity and keeps off the ring, is located be provided with the screw thread on the guide arm of activity fender ring department, the tip and the activity fender ring looks butt of screwing up the nut screw in guide arm.
As a further arrangement of the scheme, the outer side surfaces of the first wire clamp and the second wire clamp are provided with circular grooves.
As a further arrangement of the above scheme, the second spring is provided in a tower spring structure.
As a further arrangement of the above scheme, an annular groove is formed in the inner side surface of the locking ring sleeve, an elastic steel ring is arranged in the annular groove, the elastic steel ring is arranged in a non-closed loop manner, and an annular clamping groove is formed in the outer end of the clamping strip.
As a further arrangement of the above scheme, two pressing plates are arranged on the outer side surface of the locking ring sleeve.
As a further arrangement of the above scheme, the number of the elastic connecting strips connected to the outer end face of the wire clamping device mounting cylinder is four.
Has the advantages that:
1. compared with the prior art, the clamping device mounting cylinder is screwed in the first threaded hole formed in the front side face of the machine head, the jacking bolt is screwed in the second threaded hole, the jacking wedge-shaped jacking block moves inwards, the lower end of the movable limiting block is inserted into the limiting slot of the clamping device mounting cylinder under the action of the movable limiting block to completely fix the clamping device mounting cylinder, and when the clamping device is mounted, only the connecting column at the inner end of the clamping device is required to be completely inserted into the clamping device mounting cylinder, then the locking ring sleeve slides towards the outer end, so that the clamping strips can be pressed inwards, the clamping teeth on the clamping strips are meshed with the clamping tooth grooves on the square columns, the square columns and the clamping device can be firmly fixed, and the clamping device is not easy to loosen and slip.
2. In the process of dismounting or mounting the thread clamping device on the sewing machine, the thread clamping device can be dismounted or mounted only by pushing the locking ring sleeve inwards or outwards, the operation is extremely convenient, the cover body of the machine head does not need to be opened, and then the thread clamping device is screwed down by using a screwdriver, so that great convenience is brought to operators, the shutdown caused by maintenance and replacement of the thread clamping device is reduced, and the working efficiency of the sewing machine is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the table and the head of the present invention;
FIG. 2 is a partial cross-sectional view of the handpiece of the present invention;
FIG. 3 is an assembled perspective view of the movable limiting block, the wedge-shaped jacking block and the jacking bolt of the invention;
FIG. 4 is a perspective view of the mounting cartridge, clamping bar and clamping device of the present invention;
FIG. 5 is an exploded view of the mounting sleeve, locking collar and clamping bar of the present invention;
fig. 6 is a perspective view of the wire gripper of the present invention.
The device comprises a workbench, a machine head, a wire clamping device mounting barrel, a movable limiting block, a wedge-shaped top block, a 6-pushing bolt, an elastic connecting strip pipe, a 8-clamping strip, a 9-locking ring sleeve, a 10-wire clamping device, a 11-square column and a 12-connecting column, wherein the workbench is arranged on the machine head;
101-guide rod, 102-first wire clamp, 103-second wire clamp, 104-second spring, 105-screwing nut, 106-movable baffle ring, 107-circular groove;
201-a first threaded hole, 202-a vertical slot, 203-a second threaded hole;
301-limit slot;
401-wedge groove, 402-first spring;
801-clamping teeth, 802-arc protrusions and 803-annular clamping grooves;
901 ring groove, 902 elastic steel ring, 903 pressure plate.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 6, in conjunction with the embodiments.
Example 1
The difference of this embodiment lies in that a first threaded hole 201 is formed in the front side surface of the handpiece 2, a wire holder mounting barrel 3 is arranged in the first threaded hole 201, an external thread (not labeled in the figure) matched with the first threaded hole 201 is arranged on the outer surface of the wire holder mounting barrel 3, a limiting slot 301 is formed in the upper surface of the wire holder mounting barrel 3, a vertical groove 202 is formed in the handpiece 2 right above the limiting slot 301, a movable limiting block 4 is arranged in the vertical groove 202, the top end of the movable limiting block 4 is connected with a first spring 402, the upper end of the first spring 402 is connected with the top wall of the vertical groove 202, a second threaded hole 203 is formed in the handpiece 2 above the first threaded hole 201, a wedge-shaped groove 401 is formed in the movable limiting block 4 near the second threaded hole 203, a wedge-shaped top block 5 is arranged in the second threaded hole 203, a top bolt 6 is screwed on the second threaded hole 203, the inner end of the jacking bolt 6 is abutted against the wedge-shaped jacking block 5, when the jacking bolt 6 is screwed in, the wedge-shaped jacking block 5 is pushed to move towards the wedge-shaped groove 401, so that the movable limiting block 4 is pushed downwards, and then the lower end of the movable limiting block 4 is inserted into the vertical groove 202 to fix the wire clamp mounting cylinder 3.
Be connected with a plurality of elastic connection strip 7 on the outer terminal surface of wire holder installation section of thick bamboo 3, the elastic connection strip 7 of this embodiment is preferred to be set up to four. The elastic connecting strips 7 surround the outer end of the wire clamping device mounting barrel 3 and are arranged in a rectangular array, the outer ends of the elastic connecting strips 7 are connected with the wire clamping strips 8, the outer surfaces of the wire clamping strips 8 are arc-shaped, the inner surfaces of the wire clamping strips are horizontal planes, the outer surfaces of the wire clamping strips 8 form a circular ring, the inner surfaces of the wire clamping strips form a square, a plurality of clamping teeth 801 are arranged on the inner wall surfaces of the wire clamping strips 8, arc-shaped protrusions 802 are arranged at the outer ends of the wire clamping strips 8, locking ring sleeves 9 are arranged on the outer circumferential surfaces of the wire clamping strips 8, and two pressing plates 903 are arranged on the outer side surfaces of the locking ring sleeves 9 for facilitating sliding of the locking ring sleeves 9.
The inner end face of the wire clamper 10 is connected with a square column 11, four side faces of the square column 11 are provided with tooth clamping grooves 111 corresponding to the clamping teeth 801, the inner end face of the square column 11 is connected with a connecting column 12 capable of being inserted into the wire clamper mounting cylinder 3, and the connecting column 12 and the square column 11 are provided with through holes capable of penetrating through a guide rod of the wire clamper 10.
The wire clamp 10 in this embodiment includes a guide rod 101, a first wire clamp 102, a second wire clamp 103, a second spring 104 and a screwing nut 105, the first wire clamp 102 and the second wire clamp 103 are both arranged on the guide rod 101 at the outer end of the connecting column 12, the second spring 104 is arranged on the outer side surface of the second wire clamp 103, the outer end of the second spring 104 is sleeved with a movable retaining ring 106, a thread is arranged on the guide rod 101 at the movable retaining ring 106, and the end of the screwing nut 105 screwed into the guide rod 101 abuts against the movable retaining ring 106.
Example 2
The difference of this embodiment lies in that a first threaded hole 201 is formed in the front side surface of the handpiece 2, a wire holder mounting barrel 3 is arranged in the first threaded hole 201, an external thread (not labeled in the figure) matched with the first threaded hole 201 is arranged on the outer surface of the wire holder mounting barrel 3, a limiting slot 301 is formed in the upper surface of the wire holder mounting barrel 3, a vertical groove 202 is formed in the handpiece 2 right above the limiting slot 301, a movable limiting block 4 is arranged in the vertical groove 202, the top end of the movable limiting block 4 is connected with a first spring 402, the upper end of the first spring 402 is connected with the top wall of the vertical groove 202, a second threaded hole 203 is formed in the handpiece 2 above the first threaded hole 201, a wedge-shaped groove 401 is formed in the movable limiting block 4 near the second threaded hole 203, a wedge-shaped top block 5 is arranged in the second threaded hole 203, a top bolt 6 is screwed on the second threaded hole 203, the inner end of the jacking bolt 6 is abutted against the wedge-shaped jacking block 5, when the jacking bolt 6 is screwed in, the wedge-shaped jacking block 5 is pushed to move towards the wedge-shaped groove 401, so that the movable limiting block 4 is pushed downwards, and then the lower end of the movable limiting block 4 is inserted into the vertical groove 202 to fix the wire clamp mounting cylinder 3.
Be connected with a plurality of elastic connection strip 7 on the outer terminal surface of wire holder installation section of thick bamboo 3, the elastic connection strip 7 of this embodiment is preferred to be set up to four. The elastic connecting strips 7 surround the outer end of the wire clamping device mounting barrel 3 and are arranged in a rectangular array, the outer ends of the elastic connecting strips 7 are connected with the wire clamping strips 8, the outer surfaces of the wire clamping strips 8 are arc-shaped, the inner surfaces of the wire clamping strips are horizontal planes, the outer surfaces of the wire clamping strips 8 form a circular ring, the inner surfaces of the wire clamping strips form a square, a plurality of clamping teeth 801 are arranged on the inner wall surfaces of the wire clamping strips 8, arc-shaped protrusions 802 are arranged at the outer ends of the wire clamping strips 8, locking ring sleeves 9 are arranged on the outer circumferential surfaces of the wire clamping strips 8, and two pressing plates 903 are arranged on the outer side surfaces of the locking ring sleeves 9 for facilitating sliding of the locking ring sleeves 9.
The inner end face of the wire clamper 10 is connected with a square column 11, four side faces of the square column 11 are provided with tooth clamping grooves 111 corresponding to the clamping teeth 801, the inner end face of the square column 11 is connected with a connecting column 12 capable of being inserted into the wire clamper mounting cylinder 3, and the connecting column 12 and the square column 11 are provided with through holes capable of penetrating through a guide rod of the wire clamper 10.
The wire clamp 10 in this embodiment includes a guide rod 101, a first wire clamp 102, a second wire clamp 103, a second spring 104 and a screwing nut 105, the first wire clamp 102 and the second wire clamp 103 are both arranged on the guide rod 101 at the outer end of the connecting column 12, the second spring 104 is arranged on the outer side surface of the second wire clamp 103, the outer end of the second spring 104 is sleeved with a movable retaining ring 106, a thread is arranged on the guide rod 101 at the movable retaining ring 106, and the end of the screwing nut 105 screwed into the guide rod 101 abuts against the movable retaining ring 106.
The locking ring sleeve is characterized in that a ring groove 901 is formed in the inner side face of the locking ring sleeve 9, an elastic steel ring 902, the elastic steel ring 902 and the elastic steel ring 902 are arranged in the ring groove 901 in a non-closed-loop mode, and an annular clamping groove 803 is formed in the outer end of the holding strip 8.
In addition, the outer side surfaces of the first wire clamp 102 and the second wire clamp 103 are provided with circular grooves 107, the second spring 104 is set to be of a tower-type spring structure, the second spring 104 can be effectively prevented from sliding in the circular grooves 107, and the stability of the wire clamp 10 is effectively guaranteed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The sewing machine with the yarn trapper convenient to install comprises a workbench (1), a machine head (2) and a yarn trapper (10), wherein the machine head (2) is fixedly arranged at one end of the upper surface of the workbench (1), and is characterized in that a first threaded hole (201) is formed in the front side surface of the machine head (2), a yarn trapper installation barrel (3) is arranged in the first threaded hole (201), external threads matched with the first threaded hole (201) are arranged on the outer surface of the yarn trapper installation barrel (3), a limiting slot (301) is formed in the upper surface of the yarn trapper installation barrel (3), a vertical slot (202) is formed in the machine head (2) right above the limiting slot (301), a movable limiting block (4) is arranged in the vertical slot (202), the top end of the movable limiting block (4) is connected with a first spring (402), the upper end of the first spring (402) is connected with the top wall of the vertical slot (202), a second threaded hole (203) is formed in the machine head (2) above the first threaded hole (201), a wedge-shaped groove (401) is formed in a movable limiting block (4) close to one side of the second threaded hole (203), a wedge-shaped jacking block (5) is arranged inside the second threaded hole (203), a jacking bolt (6) is screwed on the second threaded hole (203), and the inner end of the jacking bolt (6) is abutted to the wedge-shaped jacking block (5);
the outer end face of the wire clamping device mounting cylinder (3) is connected with a plurality of elastic connecting strips (7), the elastic connecting strips (7) surround the outer end face of the wire clamping device mounting cylinder (3) and are arranged in a rectangular array mode, the outer end of each elastic connecting strip (7) is connected with a clamping strip (8), the outer surface of each clamping strip (8) is in an arc shape, the inner surface of each elastic connecting strip is a horizontal plane, the outer surface of each clamping strip (8) forms a circular ring, the inner surface of each clamping strip forms a square shape, a plurality of clamping teeth (801) are arranged on the inner wall face of each clamping strip (8), arc-shaped protrusions (802) are arranged at the outer end of each clamping strip (8), locking ring sleeves (9) are arranged on the outer circumferential face of each clamping strip (8), the inner end face of each wire clamping device (10) is connected with a square column (11), and each square column (11) is provided with a clamp (111) corresponding to each clamping tooth groove (801), the inner end face of the square column (11) is connected with a connecting column (12) capable of being inserted into the wire clamp mounting barrel (3), and through holes capable of penetrating through a guide rod of the wire clamp (10) are formed in the connecting column (12) and the square column (11).
2. The sewing machine with the conveniently installed wire clamp according to claim 1, characterized in that the wire clamp (10) comprises a guide rod (101), a first wire clamp (102), a second wire clamp (103), a second spring (104) and a screwing nut (105), wherein the first wire clamp (102) and the second wire clamp (103) are both arranged on the guide rod (101) at the outer end of the connecting column (12), the second spring (104) is arranged on the outer side surface of the second wire clamp (103), the outer end of the second spring (104) is sleeved with a movable retaining ring (106), a thread is arranged on the guide rod (101) at the position of the movable retaining ring (106), and the end of the screwing nut (105) screwed into the guide rod (101) is abutted against the movable retaining ring (106).
3. The sewing machine with the conveniently installed wire clamp as claimed in claim 2, wherein the outer side surfaces of the first wire clamp (102) and the second wire clamp (103) are provided with circular grooves (107).
4. A gripper mountable sewing machine as claimed in claim 2 or 3, wherein the second spring (104) is provided in a tower spring configuration.
5. The sewing machine with the conveniently installed wire clamper as claimed in claim 1, wherein the inner side surface of the locking ring sleeve (9) is provided with a ring groove (901), an elastic steel ring (902) is arranged in the ring groove (901), the elastic steel ring (902) is arranged in a non-closed loop manner, and the outer end of the clamping strip (8) is provided with an annular clamping groove (803).
6. A sewing machine with a conveniently installed gripper as claimed in claim 1 or 5, wherein two pressure plates (903) are provided on the outer side of the locking collar (9).
7. A sewing machine with a conveniently installed gripper as claimed in claim 1, wherein the number of the elastic connecting strips (7) connected to the outer end face of the gripper mounting cylinder (3) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202987.0A CN111235771B (en) | 2020-03-20 | 2020-03-20 | Sewing machine with thread clamping device convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202987.0A CN111235771B (en) | 2020-03-20 | 2020-03-20 | Sewing machine with thread clamping device convenient to install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111235771A CN111235771A (en) | 2020-06-05 |
| CN111235771B true CN111235771B (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010202987.0A Active CN111235771B (en) | 2020-03-20 | 2020-03-20 | Sewing machine with thread clamping device convenient to install |
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| CN (1) | CN111235771B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384137A (en) * | 2010-09-01 | 2012-03-21 | 鸿富锦精密工业（深圳）有限公司 | Piecing device |
| KR20130037567A (en) * | 2011-10-06 | 2013-04-16 | 주식회사 썬스타 | Thread tension regulation apparatus of sewing machine |
| CN204570203U (en) * | 2015-04-08 | 2015-08-19 | 浙江美机缝纫机有限公司 | The loose wire gripper line apparatus of Sewing machines |
| CN207295149U (en) * | 2017-09-20 | 2018-05-01 | 常州市工业缝纫机有限公司 | Multifunction electronic pattern sewing machine clamp control device |
| CN208203730U (en) * | 2018-05-16 | 2018-12-07 | 成都冶金实验厂有限公司 | A kind of fast-type steel bar connecting machine structure |
| CN110131265A (en) * | 2019-05-27 | 2019-08-16 | 厦门市欣洋机械制造有限公司 | A kind of displaying frame connector and its production technology |
| CN209276776U (en) * | 2018-10-30 | 2019-08-20 | 宁波市鄞州鑫顿缝纫机配件有限公司 | A kind of sewing machine tension disk easy for installation |
-
2020
- 2020-03-20 CN CN202010202987.0A patent/CN111235771B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384137A (en) * | 2010-09-01 | 2012-03-21 | 鸿富锦精密工业（深圳）有限公司 | Piecing device |
| KR20130037567A (en) * | 2011-10-06 | 2013-04-16 | 주식회사 썬스타 | Thread tension regulation apparatus of sewing machine |
| CN204570203U (en) * | 2015-04-08 | 2015-08-19 | 浙江美机缝纫机有限公司 | The loose wire gripper line apparatus of Sewing machines |
| CN207295149U (en) * | 2017-09-20 | 2018-05-01 | 常州市工业缝纫机有限公司 | Multifunction electronic pattern sewing machine clamp control device |
| CN208203730U (en) * | 2018-05-16 | 2018-12-07 | 成都冶金实验厂有限公司 | A kind of fast-type steel bar connecting machine structure |
| CN209276776U (en) * | 2018-10-30 | 2019-08-20 | 宁波市鄞州鑫顿缝纫机配件有限公司 | A kind of sewing machine tension disk easy for installation |
| CN110131265A (en) * | 2019-05-27 | 2019-08-16 | 厦门市欣洋机械制造有限公司 | A kind of displaying frame connector and its production technology |
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| CN111235771A (en) | 2020-06-05 |
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