CN203668644U - Automatic presser foot lifting device of sewing machine - Google Patents
Automatic presser foot lifting device of sewing machine Download PDFInfo
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- CN203668644U CN203668644U CN201320895105.9U CN201320895105U CN203668644U CN 203668644 U CN203668644 U CN 203668644U CN 201320895105 U CN201320895105 U CN 201320895105U CN 203668644 U CN203668644 U CN 203668644U
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- presser foot
- lever
- lifting device
- presser
- electromagnet
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Abstract
The utility model provides an automatic presser foot lifting device of a sewing machine, and belongs to the technical field of machinery. The automatic presser foot lifting device solves the problem that an existing presser foot lifting device is not convenient to maintain and replace. The automatic presser foot lifting device comprises a shell, a presser foot component, an electromagnet arranged in the shell, and a connection rod component used for connecting the presser foot component and the electromagnet. The connection rod component comprises a pulling rod, a presser foot lifting front lever used for being connected with the presser foot component and a presser foot lifting rear lever connected with the electromagnet. The presser foot lifting front lever and the presser foot lifting rear lever are arranged at the two ends of the pulling rod respectively and hinged to the inside of the shell through a front axial screw and a rear axial screw respectively. A roller is arranged at the rear end of the presser foot lifting rear lever, the electromagnet is provided with an ejector rod capable of moving up and down, and the ejector rod is arranged on the lower portion of the roller. The presser foot lifting device is arranged in the shell of the sewing machine, and the automatic presser foot lifting device is simple in structure and convenient to operate.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the automatic needle-foot-lifting device of a kind of Sewing machines, particularly a kind of Sewing machines.
Background technology
Along with the development of science and technology and textile industry, the technology of Sewing machines is also more and more ripe, and kind is also more various, not only comprises domestic sewing machine, also comprise and be applied to industrial industrial sewing machines, such as flat seam machine, chain seam machine, overlock machine and flat seaming machine etc.Overlock machine is widely used in clothing making factory, it is used for trimming stitching material edge, with specific stitching, material edge is wrapped up, prevent that fabric yarn from coming off, overlock machine can also be applied to and sew up sportswear, underwear and knitting material etc. simultaneously, therefore, in Sewing machines field, occupy indispensable status.
The foot lifting mechanism of Sewing machines lifts presser feet for sewing process, automatic needle-foot-lifting device in the market generally adopts external presser foot lifting device, be contained in the outside of rear window panel by presser foot lifting device or be contained in below food tray, this structure needs client to buy voluntarily and install in addition, and complex structure, install inconveniently, and maintain and replace all needs professional just can complete, and causes very large inconvenience to client.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of automatic needle-foot-lifting device of Sewing machines, and it is built in presser foot lifting device in sewing machine case, simple in structure, easy to operate.
The purpose of this utility model can realize by following technical proposal: a kind of automatic needle-foot-lifting device of Sewing machines, comprise casing, presser foot component, be arranged on the electromagnet in casing, and for connecting the link assembly of presser foot component and electromagnet, link assembly comprises pull bar, for lever before the presser foot lifter being connected with presser foot component and lever after presser foot lifter for being connected with electromagnet, after the front lever of described presser foot lifter and presser foot lifter, lever is separately positioned on the two ends of pull bar and is hinged in casing by front axial screw and rear axial screw respectively, after described presser foot lifter, the rear end of lever is provided with a roller, on described electromagnet, be provided with the push rod that can move up and down, described push rod is arranged on the below of roller.
In the technical program, by the lifting of magnet control presser foot lifter, simple in structure, easy to operate, and in the technical program, roller is hinged on to the rear end of lever after presser foot lifter, when electromagnet drives push rod upwards to promote, push rod drives the rear end of lever after related presser foot lifter upwards to lift by roller, avoid push rod and presser foot lifter after lever directly clash into, increase the service life.
In the automatic needle-foot-lifting device of above-mentioned Sewing machines, described roller is hinged on the rear end of lever after presser foot lifter by roller screw.Rotation in the process that roller is lifted on lever after presser foot lifter, can reduce frictional force, increases work efficiency.
In the automatic needle-foot-lifting device of above-mentioned Sewing machines, in described casing, be installed with a guide plate, described push rod is plugged on guide plate.Guide plate is spacing for push rod is carried out, and push rod can only be moved up and down, and be not offset.
In the automatic needle-foot-lifting device of above-mentioned Sewing machines, after described presser foot lifter, the rear end of lever is also connected with a knee and carries push rod.In the technical program, can, by the lifting of electromagnetic actuation control presser feet, also can carry push rod by top knee and realize presser feet lifting, realize presser foot lifter function.
In the automatic needle-foot-lifting device of above-mentioned Sewing machines, described presser foot component comprises presser feet, presser feet axle and axle sleeve, described axle sleeve is vertically fixed on casing, described presser feet axle is plugged in axle sleeve and energy oscilaltion, described presser feet is hinged on the bottom of presser feet axle, and the top of described presser feet axle is connected on the front end of lever before presser foot lifter by hook connecting.Before presser foot lifter, lever rotates under pull bar effect, and can drive presser foot component oscilaltion.
In the automatic needle-foot-lifting device of above-mentioned Sewing machines, the upper end of described hook is connected to the front end of the front lever of presser foot lifter, the lower end of described hook has a guide groove of laterally offering, and the top of described presser feet axle is provided with one can hang over the depression bar guide block that hook is upper and can laterally slide along guide groove.Presser feet axle can only oscilaltion under axle sleeve restriction, and hook transverse shift can occur when rotating along with lever before presser foot lifter, and depression bar guide block and hook are slidably connected, and can make presser foot component only move up and down and not carry out transverse shifting.
In the automatic needle-foot-lifting device of above-mentioned Sewing machines, described electromagnet is arranged in the inner chamber of casing, and described electromagnet is connected mutually by bracing frame and casing, and support frame as described above one end is connected with electromagnet, and the other end is connected on the outer wall of casing.
Compared with prior art, the utlity model has following advantage: 1, can realize the automation of presser foot lifter by magnet control, improve production efficiency; 2, this foot lifting mechanism is simple in structure, therefore has the advantage such as compact conformation, low cost of manufacture; 3, can, by the lifting of electromagnetic actuation control presser feet, also can carry push rod by top knee and realize presser feet lifting, alternative good.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is position of the present utility model scheme of installation.
In figure, 1, electromagnet; 2, push rod; 3, guide plate; 4, roller screw; 5, roller; 6, lever after presser foot lifter; 7, knee is carried push rod; 8, rear axial screw; 9, pull bar; 10, lever before presser foot lifter; 11, hook; 12, depression bar guide block; 13, presser feet axle; 14, axle sleeve; 15, presser feet; 16, front axial screw; 17, back-moving spring; 18, bracing frame; 19, front lock-screw; 20, rear lock-screw; 21, knee is carried push rod screw; 22, casing.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
With reference to Fig. 1, Fig. 2 and Fig. 3, the present embodiment is a kind of automatic needle-foot-lifting device of Sewing machines, comprise casing 22, presser foot component, be arranged on the electromagnet 1 in casing 22, and for connecting the link assembly of presser foot component and electromagnet 1, electromagnet 1 is arranged in the inner chamber of casing 22, and be connected mutually by bracing frame 18 and casing 22, these bracing frame 18 one end are connected with electromagnet 1, and the other end is connected on the outer wall of casing 22.Link assembly comprises pull bar 9, for lever 10 before the presser foot lifter being connected with presser foot component and lever 6 after presser foot lifter for being connected with electromagnet 1, after the front lever 10 of presser foot lifter and presser foot lifter, lever 6 is separately positioned on the two ends of pull bar 9 and is hinged in casing 22 by front axial screw 16 and rear axial screw 8 respectively, after presser foot lifter, the front end of lever 6 is connected with pull bar 9, on rear end, is hinged with a roller 5 by roller screw 4.On electromagnet 1, be provided with the push rod 2 that can move up and down, push rod 2 is arranged on the below of roller 5.In casing 22, be installed with a guide plate 3, push rod 2 is plugged on guide plate 3 and can in guide plate 3, slides up and down.
Presser foot component comprises presser feet 15, presser feet axle 13 and axle sleeve 14, described axle sleeve 14 is vertically fixed on casing 22, presser feet axle 13 is plugged in axle sleeve 14 and energy oscilaltion, presser feet 15 is hinged on the bottom of presser feet axle 13, and the top of presser feet axle 13 is by linking up with 11 front ends that are connected to lever 10 before presser foot lifter.The upper end of hook 11 is connected to the front end of the front lever 10 of presser foot lifter, and the lower end of described hook 11 has a guide groove 11a who laterally offers, and the top of presser feet axle 13 is provided with one and can hangs on hook 11 and the depression bar guide block 12 that can laterally slide along guide groove 11a.
After presser foot lifter, the rear end of lever 6 is also connected with a knee and carries push rod 7, can carry push rod by top knee and realize presser feet 15 liftings.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements 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.
Carry the term such as push rod screw 21, casing 22 although more used lever 6 after electromagnet 1, push rod 2, guide plate 3, roller screw 4, roller 5, presser foot lifter, knee to carry push rod 7, rear axial screw 8, pull bar 9, the front lever 10 of presser foot lifter, hook 11, depression bar guide block 12, presser feet axle 13, axle sleeve 14, presser feet 15, front axial screw 16, back-moving spring 17, bracing frame 18, front lock-screw 19, rear lock-screw 20, knee herein, do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. the automatic needle-foot-lifting device of a Sewing machines, comprise casing (22), presser foot component, be arranged on the electromagnet (1) in casing (22), and for connecting the link assembly of presser foot component and electromagnet (1), it is characterized in that, described link assembly comprises pull bar (9), for lever (10) before the presser foot lifter being connected with presser foot component and lever (6) after presser foot lifter for being connected with electromagnet (1), after the front lever of described presser foot lifter (10) and presser foot lifter, lever (6) is separately positioned on the two ends of pull bar (9) and is hinged in casing (22) by front axial screw (16) and rear axial screw (8) respectively, the rear end of lever after described presser foot lifter (6) is provided with a roller (5), on described electromagnet (1), be provided with the push rod (2) that can move up and down, described push rod (2) is arranged on the below of roller (5).
2. the automatic needle-foot-lifting device of Sewing machines according to claim 1, is characterized in that, described roller (5) is hinged on the rear end of lever (6) after presser foot lifter by roller screw (4).
3. the automatic needle-foot-lifting device of Sewing machines according to claim 2, is characterized in that, is installed with a guide plate (3) in described casing (22), and described push rod (2) is plugged on guide plate (3).
4. according to the automatic needle-foot-lifting device of the Sewing machines described in claim 1 or 2 or 3, it is characterized in that, the rear end of lever after described presser foot lifter (6) is also connected with a knee and carries push rod (7).
5. the automatic needle-foot-lifting device of Sewing machines according to claim 1, it is characterized in that, described presser foot component comprises presser feet (15), presser feet axle (13) and axle sleeve (14), described axle sleeve (14) is vertically fixed on casing (22), described presser feet axle (13) is plugged in axle sleeve (14) and energy oscilaltion, described presser feet (15) is hinged on the bottom of presser feet axle (13), and the top of described presser feet axle (13) is connected to the front end of the front lever (10) of presser foot lifter by hook (11).
6. the automatic needle-foot-lifting device of Sewing machines according to claim 5, it is characterized in that, the upper end of described hook (11) is connected to the front end of the front lever (10) of presser foot lifter, the lower end of described hook (11) has a guide groove of laterally offering (11a), and the top of described presser feet axle (13) is provided with one can hang over the depression bar guide block (12) that hook (11) is upper and can laterally slide along guide groove (11a).
7. the automatic needle-foot-lifting device of Sewing machines according to claim 1, it is characterized in that, described electromagnet (1) is arranged in the inner chamber of casing (22), described electromagnet (1) is connected mutually by bracing frame (18) and casing (22), support frame as described above (18) one end is connected with electromagnet (1), and the other end is connected on the outer wall of casing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895105.9U CN203668644U (en) | 2013-12-31 | 2013-12-31 | Automatic presser foot lifting device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895105.9U CN203668644U (en) | 2013-12-31 | 2013-12-31 | Automatic presser foot lifting device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203668644U true CN203668644U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895105.9U Expired - Fee Related CN203668644U (en) | 2013-12-31 | 2013-12-31 | Automatic presser foot lifting device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203668644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195753A (en) * | 2014-08-07 | 2014-12-10 | 浙江川田缝纫机有限公司 | Presser foot lifting mechanism of sewing machine |
| CN104963105A (en) * | 2015-07-23 | 2015-10-07 | 台州通宇服装机械科技有限公司 | Sewing machine based on automatic template split synchronizing wheel apparatus |
| CN109537184A (en) * | 2019-01-14 | 2019-03-29 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its presser feet regulator |
-
2013
- 2013-12-31 CN CN201320895105.9U patent/CN203668644U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195753A (en) * | 2014-08-07 | 2014-12-10 | 浙江川田缝纫机有限公司 | Presser foot lifting mechanism of sewing machine |
| CN104963105A (en) * | 2015-07-23 | 2015-10-07 | 台州通宇服装机械科技有限公司 | Sewing machine based on automatic template split synchronizing wheel apparatus |
| CN109537184A (en) * | 2019-01-14 | 2019-03-29 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its presser feet regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151202 Address after: Taizhou City, Zhejiang province 318000 Jiaojiang Xiachen street, Airport Road No. 1 Patentee after: ZHEJIANG GEMSY MECHANICAL & ELECTRICAL CO., LTD Address before: 318000, No. 638, East Ring Road, Taizhou Economic Development Zone, Jiaojiang District, Zhejiang, Taizhou Patentee before: Zhejiang Gemsy Mechanical and Electrical Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |