CN103938372A - Knee-control presser foot lifting device of sewing machine - Google Patents
Knee-control presser foot lifting device of sewing machine Download PDFInfo
- Publication number
- CN103938372A CN103938372A CN201410116442.2A CN201410116442A CN103938372A CN 103938372 A CN103938372 A CN 103938372A CN 201410116442 A CN201410116442 A CN 201410116442A CN 103938372 A CN103938372 A CN 103938372A
- Authority
- CN
- China
- Prior art keywords
- presser foot
- knee control
- lifting device
- knee
- foot lifting
- 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.)
- Granted
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines, and particularly relates to a knee-control presser foot lifting device of a sewing machine. The knee-control presser foot lifting device of the sewing machine comprises an oil box which is fixed on the base plane of a base plate. A presser foot lifting device which is connected with a presser foot mechanism and used for driving the presser foot mechanism to make presser foot lifting movement is arranged on a box body of the oil box. The presser foot lifting device is connected with a knee-control mechanism, the knee-control mechanism drives the presser foot lifting device to move so that the presser foot lifting movement can be achieved, and the knee-control mechanism and the presser foot lifting device are detachably connected. According to the knee-control presser foot lifting device of the sewing machine, the size of the oil box used for storing lubricating oil is small, the oil box is airtightly fixed on the base plate of the sewing machine, so that the lubricating oil is isolated inside the machine, the lubricating oil cannot leak or overflow along with overturning of the base plate, hence, lubricating oil pollution can be prevented, and the phenomenon that the lubricating oil overflows to pollute sewing cloth can be avoided; due to the fact that the knee-control mechanism and the presser foot lifting device are detachably connected, the presser foot lifting device is arranged on an oil receiver, when the machine is carried and overturned or knee-control presser foot lifting is of no need, a knee-control wrench can be dismounted, and thus the device can be used conveniently.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to a kind of Sewing machines knee control presser foot lifting device.
Background technology:
At present, the food tray of flat seam machine is arranged on the below of base plate, and knee control foot lifting mechanism is installed below food tray.This device food tray need to be caught whole base plate, therefore volume is larger, and this food tray is on platen, to be provided with food tray installation position, and food tray is fixed in the food tray installation position on platen.Between food tray and machine, be separable, in the time that machine is dug, outside food tray and interior lubricating oil thereof are just exposed to, affect attractive in appearance and easily have cloth to drop to produce and pollute, and then whole oil circuit is polluted.Also can cause lubricating oil to overflow, pollute tailoring cloth, cause unnecessary loss simultaneously.
Summary of the invention:
The object of this invention is to provide a kind of oil box volume little, sealing is arranged on platen below, digs and can not allow lubricating oil exposed or overflow the Sewing machines knee control presser foot lifting device that knee control presser foot lifting device removably connects at base plate.
The present invention is achieved in that
Sewing machines knee control presser foot lifting device, include the oil box that is fixed on base plate baseplane, on the box body of oil box, be provided with the presser foot lifting device that is connected with presser foot device and drives its presser foot lifter action, presser foot lifting device is connected with knee control mechanism, knee control mechanism drives presser foot lifting device action to realize presser foot lifter action, and knee control mechanism and presser foot lifting device removably connect.
Between above-mentioned oil box and base plate, be provided with sealing gasket.
Above-mentioned presser foot lifting device includes the knee control axle being arranged on oil box box body, on knee control axle, be provided with knee control crank, on knee control crank, be provided with stop screw and reset screw, crown cap pilot hole is set on box body, top cap is arranged in pilot hole, and one end of top cap is connected with the contact of knee control crank, the upper end of top cap is provided with push rod, push rod stretches out outside base plate and is connected with presser foot device, on knee control axle, be set with the torsion spring that makes its reset, one end of knee control axle is connected with knee control mechanism, knee control mechanism drives knee control axle to rotate, and then drive top cap, ejector rob axis moves up and down.
Above-mentioned knee control mechanism includes knee control wrench assembly, and the upper end of knee control wrench assembly is provided with clamp, is provided with knee control and pulls cover on clamp, and axis and the knee control axle conllinear of cover pulled in knee control, and one end and knee control axle that cover is pulled in knee control are connected.
Above-mentioned knee control sleeve-board is connected by position blocking pin and knee control axle.
Above-mentioned knee control wrench assembly, clamp, knee control pulled cover for integral type structure.
Above-mentioned stop screw and reset screw are fixed on knee control crank by nut.
Between above-mentioned top cap and top cap pilot hole, be provided with sealing ring.
The bottom of above-mentioned oil box is provided with oil-draining screw assembly.
Above-mentioned oil box inner chamber is provided with the magnet assemblies that the iron in absorption waste oil is cut impurity.
The advantage that the present invention gives prominence to is compared to existing technology:
1, the present invention is in order to store the oil box small volume of lubricating oil, and airtight being fixed on baseplate of sewing machine of oil box completely cuts off lubricating oil at machine intimate, dig and can not allow lubricating oil exposed or overflow with base plate, prevent lubricant pollution, prevent the excessive pollution tailoring cloth of lubricating oil;
2, knee control mechanism of the present invention and presser foot lifting device removably connect, and presser foot lifting device is arranged on food tray, while carrying, dig or do not need knee control presser foot lifter, knee control spanner can be unloaded at machine, easy to use.
Brief description of the drawings:
Fig. 1 is one of generalized section of the present invention;
Fig. 2 is two of generalized section of the present invention;
Fig. 3 is partial schematic diagram of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, referring to Fig. 1-3:
Sewing machines knee control presser foot lifting device, include the oil box 2 that is fixed on base plate 1 baseplane, on the box body of oil box 2, be provided with the presser foot lifting device that is connected with presser foot device and drives its presser foot lifter action, presser foot lifting device is connected with knee control mechanism, knee control mechanism drives presser foot lifting device action to realize presser foot lifter action, and knee control mechanism and presser foot lifting device removably connect.
Between above-mentioned oil box 2 and base plate 1, be provided with sealing gasket 3.
Above-mentioned presser foot lifting device includes the knee control axle 4 being arranged on oil box 2 box bodys, on knee control axle 4, be provided with knee control crank 5, on knee control crank 5, be provided with stop screw 6 and reset screw 7, crown cap pilot hole is set on box body, top cap 8 is arranged in pilot hole, and one end of top cap 8 is connected with 5 contacts of knee control crank, the upper end of top cap 8 is provided with push rod 9, push rod 9 stretches out outside base plate 1 and is connected with presser foot device, on knee control axle 4, be set with the torsion spring 10 that makes its reset, one end of knee control axle 4 is connected with knee control mechanism, knee control mechanism drives knee control axle 4 to rotate, and then drive top cap 8, push rod 9 axially moves up and down.
Above-mentioned knee control mechanism includes knee control wrench assembly 11, the upper end of knee control wrench assembly 11 is provided with clamp 12, on clamp 12, be provided with knee control and pull cover 13, axis and knee control axle 4 conllinear of cover 13 are pulled in knee control, and one end and knee control axle 4 that cover 13 is pulled in knee control are connected.
Above-mentioned knee control sleeve-board 13 is connected by position blocking pin 14 and knee control axle 4.Also can be threaded with knee control axle 4 by knee control sleeve-board 13, the rotation direction of screw thread and knee control axle 4 direction of rotation.
Above-mentioned knee control wrench assembly 11, clamp 12, knee control pulled cover 13 and also can, for integral type structure, be selected as required.
Above-mentioned stop screw 6 and reset screw 7 are fixed on knee control crank 5 by nut 15,16.
Between above-mentioned top cap 8 and top cap pilot hole, be provided with sealing ring 19.
The bottom of above-mentioned oil box 2 is provided with oil-draining screw assembly 17.
Above-mentioned oil box 2 inner chambers are provided with the magnet assemblies 18 that the iron in absorption waste oil is cut impurity.
When work, in oil box 2, be equipped with a certain amount of lubricating oil oil feed pump pump to the each portion of machine in order to lubricated, lubricated Gong Ge mechanism later flows back to the lubricating oil coming and gets back in every way again oil box.Magnet assemblies 18 is arranged on oil box 2 bottoms and cuts impurity in order to the iron sopping up in waste oil.Before dismounting oil box 2 or more can twist off oil-draining screw assembly 18 when oil change and bleed off lubricating oil.
Operation principle of the present invention:
When the work of knee control presser foot lifting device, knee withstands knee control key part 11 and swings, drive knee to lift and pull cover 13 rotations, position blocking pin 14 blocks knee control axle 4 and knee and lifts and pull cover 13, make knee control axle 4 follow knee to lift and pull cover 13 rotations, knee control axle 4 rotating drive knee control cranks 5 rotate, and withstand top cap 8 upward slidings, and top cap 8 withstands the up mobile presser foot lifter that drives of push rod 9 again.Oil sealing 19 is waled top cap 8 and is prevented that lubricating oil from spilling along top cap 8 outer walls.
When knee control function is not used, and machine is when wanting overturning.Knee is lifted and is pulled cover and 13 can unload from knee control axle 4, when use, can put back to, and freely loads and unloads.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalences of doing according to shape of the present invention, structure, principle change, within all should being covered by protection scope of the present invention.
Claims (10)
1. Sewing machines knee control presser foot lifting device, it is characterized in that: include the oil box that is fixed on base plate baseplane, on the box body of oil box, be provided with the presser foot lifting device that is connected with presser foot device and drives its presser foot lifter action, presser foot lifting device is connected with knee control mechanism, knee control mechanism drives presser foot lifting device action to realize presser foot lifter action, and knee control mechanism and presser foot lifting device removably connect.
2. Sewing machines knee control presser foot lifting device according to claim 1, is characterized in that: between described oil box and base plate, be provided with sealing gasket.
3. Sewing machines knee control presser foot lifting device according to claim 1, it is characterized in that: described presser foot lifting device includes the knee control axle being arranged on oil box box body, on knee control axle, be provided with knee control crank, on knee control crank, be provided with stop screw and reset screw, crown cap pilot hole is set on box body, top cap is arranged in pilot hole, and one end of top cap is connected with the contact of knee control crank, the upper end of top cap is provided with push rod, push rod stretches out outside base plate and is connected with presser foot device, on knee control axle, be set with the torsion spring that makes its reset, one end of knee control axle is connected with knee control mechanism, knee control mechanism drives knee control axle to rotate, and then drive top cap, ejector rob axis moves up and down.
4. Sewing machines knee control presser foot lifting device according to claim 3, it is characterized in that: described knee control mechanism includes knee control wrench assembly, the upper end of knee control wrench assembly is provided with clamp, on clamp, be provided with knee control and pull cover, axis and the knee control axle conllinear of cover pulled in knee control, and one end and knee control axle that cover is pulled in knee control are connected.
5. Sewing machines knee control presser foot lifting device according to claim 4, is characterized in that: described knee control sleeve-board is connected by position blocking pin and knee control axle.
6. Sewing machines knee control presser foot lifting device according to claim 4, is characterized in that: described knee control wrench assembly, clamp, knee control pulled cover for integral type structure.
7. Sewing machines knee control presser foot lifting device according to claim 3, is characterized in that: described stop screw and reset screw are fixed on knee control crank by nut.
8. Sewing machines knee control presser foot lifting device according to claim 3, is characterized in that: between described top cap and top cap pilot hole, be provided with sealing ring.
9. Sewing machines knee control presser foot lifting device according to claim 1, is characterized in that: the bottom of described oil box is provided with oil-draining screw assembly.
10. Sewing machines knee control presser foot lifting device according to claim 8, is characterized in that: described oil box inner chamber is provided with the magnet assemblies that the iron in absorption waste oil is cut impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116442.2A CN103938372B (en) | 2014-03-26 | 2014-03-26 | Sewing machines knee control presser foot lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116442.2A CN103938372B (en) | 2014-03-26 | 2014-03-26 | Sewing machines knee control presser foot lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103938372A true CN103938372A (en) | 2014-07-23 |
| CN103938372B CN103938372B (en) | 2016-01-06 |
Family
ID=51186233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410116442.2A Active CN103938372B (en) | 2014-03-26 | 2014-03-26 | Sewing machines knee control presser foot lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103938372B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016067668A (en) * | 2014-09-30 | 2016-05-09 | Juki株式会社 | sewing machine |
| CN107385702A (en) * | 2017-08-07 | 2017-11-24 | 李子龙 | A kind of lubricating device of sewing machine |
| CN107858790A (en) * | 2017-11-21 | 2018-03-30 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| CN109576912A (en) * | 2017-09-29 | 2019-04-05 | 曾贤长 | The knee of sewing machine cloth pressing foot operates elevating mechanism |
| CN111379084A (en) * | 2018-12-30 | 2020-07-07 | 浙江中捷缝纫科技有限公司 | Lift presser foot trigger mechanism and have its sewing machine |
| CN113802272A (en) * | 2020-06-16 | 2021-12-17 | 杰克缝纫机股份有限公司 | Automatic thread trimming and presser foot lifting structure of thick material machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4706587A (en) * | 1984-03-28 | 1987-11-17 | Tokyo Juki Industrial Co., Ltd. | Presser foot lifter in sewing machine |
| CN101215763A (en) * | 2008-01-07 | 2008-07-09 | 殷贵怀 | Hemming machine for sewing trousers bottom |
| CN202227108U (en) * | 2011-08-13 | 2012-05-23 | 台州职业技术学院 | Oil pan of computer zigzag sewing machine |
| CN203144678U (en) * | 2013-03-20 | 2013-08-21 | 新杰克缝纫机股份有限公司 | Automatic presser foot lifting device |
-
2014
- 2014-03-26 CN CN201410116442.2A patent/CN103938372B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4706587A (en) * | 1984-03-28 | 1987-11-17 | Tokyo Juki Industrial Co., Ltd. | Presser foot lifter in sewing machine |
| CN101215763A (en) * | 2008-01-07 | 2008-07-09 | 殷贵怀 | Hemming machine for sewing trousers bottom |
| CN202227108U (en) * | 2011-08-13 | 2012-05-23 | 台州职业技术学院 | Oil pan of computer zigzag sewing machine |
| CN203144678U (en) * | 2013-03-20 | 2013-08-21 | 新杰克缝纫机股份有限公司 | Automatic presser foot lifting device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016067668A (en) * | 2014-09-30 | 2016-05-09 | Juki株式会社 | sewing machine |
| CN107385702A (en) * | 2017-08-07 | 2017-11-24 | 李子龙 | A kind of lubricating device of sewing machine |
| CN109576912A (en) * | 2017-09-29 | 2019-04-05 | 曾贤长 | The knee of sewing machine cloth pressing foot operates elevating mechanism |
| CN109576912B (en) * | 2017-09-29 | 2021-04-06 | 曾贤长 | Knee operation lifting mechanism of sewing machine cloth pressing foot |
| CN107858790A (en) * | 2017-11-21 | 2018-03-30 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| CN111379084A (en) * | 2018-12-30 | 2020-07-07 | 浙江中捷缝纫科技有限公司 | Lift presser foot trigger mechanism and have its sewing machine |
| CN113802272A (en) * | 2020-06-16 | 2021-12-17 | 杰克缝纫机股份有限公司 | Automatic thread trimming and presser foot lifting structure of thick material machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103938372B (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103938372A (en) | Knee-control presser foot lifting device of sewing machine | |
| CA2492028A1 (en) | Screw jack | |
| CN203845435U (en) | Jacking turntable device | |
| CN202447202U (en) | Self-blanking deoiling machine | |
| CN103286760A (en) | Novel tool storage box | |
| CN107588980A (en) | A kind of deep water sample devices for being provided with the device that drifted along above and below auxiliary | |
| CN204057565U (en) | A kind of elevator machine holdout device | |
| CN205088414U (en) | Knee -control presser foot lifting device of sewing machine | |
| CN203371522U (en) | Tool box | |
| CN205474364U (en) | Backstitch operating mechanism's backstitch position of axle in sewing machine of stand front side | |
| CN204792607U (en) | Smooth formula float switch that sticks up of machinery | |
| CN211368614U (en) | Hydraulic engineering river sluice | |
| CN204295268U (en) | The star-wheel feed mechanism of isolator star-wheel flexible roller assembly machine | |
| CN203847803U (en) | Straight stroke electric actuator | |
| CN206098197U (en) | Off circuit tap changer's behaviour moves transmission | |
| CN112223557A (en) | Auxiliary device for installation and construction of water drilling machine | |
| CN207419091U (en) | A kind of hand-operated device of hoisting clothes-horse | |
| CN203809634U (en) | Bevel gear thread transmission device for landing leg | |
| US1767124A (en) | Hydraulic jack | |
| CN205781211U (en) | A kind of control valve being applicable to gas meter, flow meter | |
| CN205084776U (en) | Rotary crusher with load -carrying members | |
| CN205447129U (en) | Mechanical type machine depressed place platform stabilizer | |
| CN205032138U (en) | Portable stirring machine | |
| CN104019016A (en) | Automatic drainage device of air compressor | |
| CN204627980U (en) | Integrated sealing screw pump ground driving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Applicant after: JACK SEWING MACHINE CO., LTD. Address before: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Applicant before: New Jack Sewing Machine Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: NEW JACK SEWING MACHINE CO., LTD. TO: JACK SEWING CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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. |
|
| CP03 | Change of name, title or address |