CN204738118U - Sewing machine thread trimmer devices - Google Patents
Sewing machine thread trimmer devices Download PDFInfo
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- CN204738118U CN204738118U CN201520227544.1U CN201520227544U CN204738118U CN 204738118 U CN204738118 U CN 204738118U CN 201520227544 U CN201520227544 U CN 201520227544U CN 204738118 U CN204738118 U CN 204738118U
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- clutch
- sewing machine
- fuselage
- trimming seat
- fixed
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Abstract
The utility model discloses a sewing machine thread trimmer devices, affiliated field is sewing machine device design technical field, including the trimming seat, the clutch axle, the clutch arm, the clutch solenoid valve, the cam, slick and sly piece, the slider round pin, the pull rod, the fuselage, the trimming seat is fixed on the fuselage with interior hexagonal fillister head screw, the clutch axle inserts in the trimming seat interstitial hole, it is downthehole that the other end of clutch axle inserts clutch arm rear, slick and sly piece is by the place ahead jogged joint of slider round pin with the clutch arm, the cam is connected with slick and sly lump formation higher pair, clutch solenoid valve and solenoid valve fixed plate are with interior hexagonal countersunk screw fixed connection, hexagonal fillister head screw was fixed in on the fuselage in the solenoid valve fixed plate adopted, the utility model discloses a sewing machine thread trimmer devices, the clutch axle is connected reliably with the trimming seat, interferences that can not bump of clutch arm and trimming seat and fuselage, small friction, high transmission efficiency, draw bar pin installation and dismantlement convenience, the spring is connected reliably with the draw bar pin, is difficult for droing.
Description
Technical field
The utility model relates to sewing machine device design field, particularly relates to a kind of thread shearing device of sewing machine.
Background technology
Sewing machines often will carry out trimming in sewing process, and the time of trimming determines according to concrete sewing situation, traditional industrial sewing machine is easy to not break, it is unreliable that clutch shaft is connected with thread trimming seat, collision interference is easily there is during work, cam and clutch arm frictional force large, easy to wear, transmission efficiency is low, the fixed form of stay rod pin and fuselage makes stay rod pin mount and dismount to bother, spring easily comes off, therefore design a kind of clutch shaft to be connected with thread trimming seat reliably, clutch arm and thread trimming seat and fuselage can not collide and disturb, frictional force is little, transmission efficiency is high, stay rod pin installation and removal are convenient, spring is connected with stay rod pin reliably, the thread shearing device of sewing machine of difficult drop-off seems very necessary.
Utility model content
The purpose of this utility model does not easily break to overcome prior art Sewing machines exactly, frictional force is large, easy to wear, transmission efficiency is low, stay rod pin installation and removal trouble, the caducous defect of spring, devise a kind of thread shearing device of sewing machine, frictional force is little, and transmission efficiency is high, stay rod pin installation and removal are convenient, spring difficult drop-off.
The required technical problem solved of the utility model can be achieved through the following technical solutions:
A kind of thread shearing device of sewing machine, comprises thread trimming seat, interior hexagonal round head screw, fuselage, stay rod pin, the described interior hexagonal round head screw of described thread trimming seat is fixed on described fuselage, and described stay rod pin is fixed on described fuselage, it is characterized in that: also comprise clutch shaft, interior hexagonal headless screw, clutch arm, nylon cushion, thin nut, clutch solenoid valve, hexagon socket countersunk flat cap head screw, cam, smooth block, slider pin, electromagnetic valve fixed head, pull bar, extension spring, swing link pin, pad, cantilever, described clutch shaft inserts in described thread trimming seat interstitial hole, fixed by described interior hexagonal headless screw, the other end of described clutch shaft inserts in described clutch arm rear square hole, described smooth block is connected with square hole before described clutch arm by described slider pin, described cam and described smooth block form higher pair and are connected, described pull bar is connected with described clutch arm with described pad by described swing link pin, described stay rod pin inserts the interstitial hole of described clutch arm, and fix with described interior hexagonal headless screw, the right-hand member of described extension spring is enclosed within the hole of described cantilever of described pull bar, the left end of described extension spring is enclosed within described stay rod pin, described clutch solenoid valve and the described hexagon socket countersunk flat cap head screw of described electromagnetic valve fixed head are fixed, described electromagnetic valve fixed head adopts described interior hexagonal round head screw to be fixed on described fuselage, described nylon cushion is enclosed within the axle of described clutch solenoid valve right-hand member, itself and described clutch solenoid valve separate with described thin nut by centre.
The bottom of described clutch shaft is done fluted, and described clutch shaft inserts in the hole of described thread trimming seat, and screw in described thread trimming seat with described interior hexagonal headless screw, front end is supported in groove, described clutch shaft and described thread trimming seat is fixed.
Described clutch arm and draw rod attachment part divide makes bending structure.
Described smooth block empty set is outside at slider pin.
Screw thread is cut in one end of described stay rod pin.
The other end of described stay rod pin is processed with groove.
Owing to have employed above technical scheme, the utility model tool has the following advantages:
Adopt thread trimming seat, clutch shaft, clutch arm, clutch solenoid valve, cam, smooth block, slider pin, pull bar, the thread shearing device of sewing machine of fuselage combined together design, the bottom of clutch shaft is done fluted, clutch shaft is formed with thread trimming seat be fixedly connected with reliably, clutch arm and thread trimming seat and fuselage can not collide and the danger such as disturb, smooth block empty set is outside at slider pin, can freely rotate, frictional force is little, transmission efficiency is high, it is fixing that stay rod pin and fuselage adopt screw thread directly to screw, mount and dismount all very convenient, the other end of stay rod pin is processed with groove, spring is connected with stay rod pin reliably, difficult drop-off.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure, each assembly and Reference numeral are respectively: 1, thread trimming seat; 2, interior hexagonal headless screw; 3, interior hexagonal round head screw; 4, clutch shaft; 5, clutch arm; 6, nylon cushion; 7, thin nut; 8, clutch solenoid valve; 9, hexagon socket countersunk flat cap head screw; 10, cam; 11, smooth block; 12, slider pin; 13, electromagnetic valve fixed head; 14, pull bar; 15, fuselage; 16, stay rod pin; 17, extension spring; 18, swing link pin; 19, pad; 20, cantilever.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
A kind of thread shearing device of sewing machine, comprises thread trimming seat 1, interior hexagonal headless screw 2, interior hexagonal round head screw 3, clutch shaft 4, clutch arm 5, nylon cushion 6, thin nut 7, clutch solenoid valve 8, hexagon socket countersunk flat cap head screw 9, cam 10, smooth block 11, slider pin 12, electromagnetic valve fixed head 13, pull bar 14, fuselage 15, stay rod pin 16, extension spring 17, swing link pin 18, pad 19, cantilever 20, the interior hexagonal round head screw 3 of thread trimming seat 1 is fixed on fuselage 15, clutch shaft 4 inserts in thread trimming seat 1 interstitial hole, fixed by interior hexagonal headless screw 2, the other end of clutch shaft 4 inserts in clutch arm 5 rear square hole, smooth block 11 is connected with square hole before clutch arm 5 by slider pin 12, cam 10 forms higher pair with smooth block 11 and is connected, pull bar 14 is connected with clutch arm 5 with pad 19 by swing link pin 18, stay rod pin 18 inserts the interstitial hole of clutch arm 5, and fix with interior hexagonal headless screw 2, the right-hand member of extension spring 17 is enclosed within the hole of cantilever 20 of pull bar 14, the left end of extension spring 17 is enclosed within stay rod pin 16, stay rod pin 16 is fixed on fuselage 15, clutch solenoid valve 8 is fixedly connected with electromagnetic valve fixed head 13 hexagon socket countersunk flat cap head screw 9, electromagnetic valve fixed head 13 adopts interior hexagonal round head screw 3 to be fixed on fuselage 15, nylon cushion 6 is enclosed within the axle of clutch solenoid valve 8 right-hand member, itself and clutch solenoid valve 8 separate by centre thin nut 7, clutch solenoid valve 8 is used for solenoidoperated cluthes and is in work and still departs from, carry out when needs to realize trimming action.
The bottom of clutch shaft 4 is done fluted, and clutch shaft 4 inserts in the hole of thread trimming seat 1, and interior hexagonal headless screw 2 screws in thread trimming seat 1, and front end is supported in groove, is fixedly connected with by clutch shaft 4 with thread trimming seat 1.
Bending structure is made in clutch arm 5 and pull bar 14 coupling part, and when clutch arm 5 rotates, avoiding collides with thread trimming seat 1 and fuselage 15 danger such as to disturb.
Smooth block 11 empty set is outside at slider pin 12, cam 10 rotation forces smooth block 11, and drive clutch arm 5 to rotate around clutch shaft 4, complete trimming action, because smooth block 11 empty set is on slider pin 12, can freely rotate, therefore frictional force is little, and transmission efficiency is high.
Screw thread is cut in one end of stay rod pin 16, and during installation, this end screw thread directly screws on fuselage 15 and fixes with fuselage 15, and therefore stay rod pin 16 mounts and dismounts all very convenient.
The other end of stay rod pin 16 is processed with groove, embeds in this groove when stay rod pin 16 is inserted in one end of spring 17, and during work, spring 17 connects reliably, difficult drop-off.
Thread shearing device of sewing machine disclosed in the utility model, the bottom of clutch shaft 4 is done fluted, clutch shaft 4 is formed with thread trimming seat 1 be fixedly connected with reliably, clutch arm 5 and thread trimming seat 1 and fuselage 15 can not collide and the danger such as disturb, smooth block 11 empty set is outside at slider pin 12, can freely rotate, frictional force is little, transmission efficiency is high, it is fixing that stay rod pin 16 and fuselage 15 adopt screw thread directly to screw, and installation and removal are all very convenient, and the other end of stay rod pin 16 is processed with groove, spring 17 is connected with stay rod pin 16 reliably, difficult drop-off.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a thread shearing device of sewing machine, comprises thread trimming seat, interior hexagonal round head screw, fuselage, stay rod pin, the described interior hexagonal round head screw of described thread trimming seat is fixed on described fuselage, and described stay rod pin is fixed on described fuselage, it is characterized in that: also comprise clutch shaft, interior hexagonal headless screw, clutch arm, nylon cushion, thin nut, clutch solenoid valve, hexagon socket countersunk flat cap head screw, cam, smooth block, slider pin, electromagnetic valve fixed head, pull bar, extension spring, swing link pin, pad, cantilever, described clutch shaft inserts in described thread trimming seat interstitial hole, fixed by described interior hexagonal headless screw, the other end of described clutch shaft inserts in described clutch arm rear square hole, described smooth block is connected with square hole before described clutch arm by described slider pin, described cam and described smooth block form higher pair and are connected, described pull bar is connected with described clutch arm with described pad by described swing link pin, described stay rod pin inserts the interstitial hole of described clutch arm, and fix with described interior hexagonal headless screw, the right-hand member of described extension spring is enclosed within the hole of described cantilever of described pull bar, the left end of described extension spring is enclosed within described stay rod pin, described clutch solenoid valve and the described hexagon socket countersunk flat cap head screw of described electromagnetic valve fixed head are fixed, described electromagnetic valve fixed head adopts described interior hexagonal round head screw to be fixed on described fuselage, described nylon cushion is enclosed within the axle of described clutch solenoid valve right-hand member, itself and described clutch solenoid valve separate with described thin nut by centre.
2. a kind of thread shearing device of sewing machine according to claim 1, it is characterized in that: the bottom of described clutch shaft is done fluted, described clutch shaft inserts in the hole of described thread trimming seat, described thread trimming seat is screwed in described interior hexagonal headless screw, front end is supported in groove, described clutch shaft and described thread trimming seat is fixed.
3. a kind of thread shearing device of sewing machine according to claim 1, is characterized in that: described clutch arm and draw rod attachment part divide makes bending structure.
4. a kind of thread shearing device of sewing machine according to claim 1, is characterized in that: described smooth block empty set is outside at slider pin.
5. a kind of thread shearing device of sewing machine according to claim 1, is characterized in that: screw thread is cut in one end of described stay rod pin.
6. a kind of thread shearing device of sewing machine according to claim 1, is characterized in that: the other end of described stay rod pin is processed with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227544.1U CN204738118U (en) | 2015-04-15 | 2015-04-15 | Sewing machine thread trimmer devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227544.1U CN204738118U (en) | 2015-04-15 | 2015-04-15 | Sewing machine thread trimmer devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204738118U true CN204738118U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227544.1U Active CN204738118U (en) | 2015-04-15 | 2015-04-15 | Sewing machine thread trimmer devices |
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| CN (1) | CN204738118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699876A (en) * | 2019-10-22 | 2020-01-17 | 安徽杰羽制鞋机械科技有限公司 | Short thread end thread cutting mechanism of sewing machine |
-
2015
- 2015-04-15 CN CN201520227544.1U patent/CN204738118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699876A (en) * | 2019-10-22 | 2020-01-17 | 安徽杰羽制鞋机械科技有限公司 | Short thread end thread cutting mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190202 Address after: 247100 Jinan Park, Chizhou economic and Technological Development Zone, Anhui Patentee after: Anhui Jieyu Shoemaking Machinery Technology Co., Ltd. Address before: 247100 Jinan Industrial Park, Chizhou economic and Technological Development Zone, Anhui Patentee before: Chizhou Xuhao Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right |