CN104120550A - Knee control device capable of being rapidly installed - Google Patents
Knee control device capable of being rapidly installed Download PDFInfo
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- CN104120550A CN104120550A CN201410338452.0A CN201410338452A CN104120550A CN 104120550 A CN104120550 A CN 104120550A CN 201410338452 A CN201410338452 A CN 201410338452A CN 104120550 A CN104120550 A CN 104120550A
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- crank axle
- crank
- control device
- diameter part
- way
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Abstract
The invention belongs to the technical field of sewing machines, and particularly relates to a knee control device capable of being rapidly installed. Crankshaft installation bases with installation holes are arranged on the bottom plane of an oil tray at intervals. Openings communicated with the installation holes are formed in the installation bases. The distance between the two inner walls of each opening is smaller than the diameter of the corresponding installation hole. A crankshaft is provided with a small-diameter part and a large-diameter part, the small-diameter part and the large-diameter part can pass through the openings, and the diameter of the large-diameter part is larger than the distance between the two inner walls of each opening. A two-way crank assembly and a two-way crank torsion spring are sequentially arranged on the portion, between the two installation bases, of the crankshaft from left to right. The small-diameter part of the crankshaft penetrates through the corresponding opening and enters the corresponding installation hole. The crankshaft is axially moved, so that the large-diameter part is arranged in the corresponding installation hole. The two-way crank assembly is arranged close to the left installation base. An operating lever with a soft cushion is connected to the right end of the crankshaft. A snap spring is arranged on the portion, close to the left side of one installation base, of the crankshaft. According to the knee control device, the working procedure is simplified, work efficiency is high, the installation omission probability is low, and production cost can be reduced.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to a kind of knee control device that can Fast Installation.
Background technology:
At present, we install this set of parts of knee control, are to install by part one by one, and its installation steps are: load onto crank axle, and two-way crank, return spring, to food tray relevant position, is fixed by jump ring afterwards.Assembly process is relatively loaded down with trivial details, easily cause neglected loading, and operating efficiency is lower.
Summary of the invention:
The object of this invention is to provide a kind of simplify working process, greatly increase work efficiency can Fast Installation knee control device.
The present invention is achieved in that
A kind of knee control device that can Fast Installation, include food tray, the baseplane of food tray is arranged at intervals with crank axle mount pad, on mount pad, be provided with installing hole, and on mount pad, be provided with the opening with installing hole UNICOM, crank axle rotates in installing hole, the diameter of the distance L EssT.LTssT.LT installing hole between opening part two inwalls, on crank axle, be provided with the large-diameter portion that can match by the minor diameter part of opening part and size and installing hole, distance between diameter > opening part two inwalls of large-diameter portion, on the crank axle between two mount pads, be disposed with from left to right two-way crank assemblies, two-way crank torsion spring, one end of two-way crank torsion spring is arranged on two-way crank assemblies or is plugged on crank axle, the other end is arranged on food tray baseplane, crank axle passes opening by minor diameter part and enters in installing hole, and moving axially crank axle is arranged in installing hole large-diameter portion, two-way crank assemblies is near the mount pad setting in left side, stretch out respectively outside crank axle mount pad at the two ends of crank axle, right-hand member at crank axle is connected with control stick, on control stick, be provided with cushion, on crank axle, be provided with jump ring near the part in one of them mount pad left side, jump ring coordinates and prevents that crank axle from moving axially with two-way crank assemblies.
The two ends of above-mentioned crank axle are provided with draw-in groove and form minor diameter part, and the cross section of minor diameter part is circle or polygon, and the crank axle outside draw-in groove is large-diameter portion.
On above-mentioned crank axle, be arranged at intervals with two annular bead and form large-diameter portion, crank axle is minor diameter part.
Above-mentioned annular bead and crank axle are integral type structure or split-type structural.
Above-mentioned split-type structural is: annular bead is sleeved on outside crank axle, and is connected by glue or screw and crank axle.
The right-hand member of above-mentioned crank axle is connected with control stick by control stick cruciform joint.
On above-mentioned food tray baseplane, be arranged at intervals with two and convex to form draw-in groove, the other end of two-way crank torsion spring is arranged in draw-in groove.
The advantage that the present invention gives prominence to is compared to existing technology:
1, dismounting of the present invention and change conveniently, moves to the minor diameter part of crank axle in installing hole from the opening part of food tray, and moves axially and make large-diameter portion be positioned at installing hole to get final product installation;
2, the jump ring of setting of the present invention and the cooperation of two-way crank assemblies prevent that crank axle from moving axially, Stability Analysis of Structures;
3, operation of the present invention is simplified, and operating efficiency is high, and neglected loading probability is low, can reduce production costs.
Brief description of the drawings:
Fig. 1 is one of schematic perspective view of the present invention;
Fig. 2 is two of schematic perspective view of the present invention;
Fig. 3 is the schematic diagram of food tray of the present invention;
Fig. 4 is one of schematic diagram of knee control device of the present invention;
Fig. 5 be knee control device of the present invention schematic diagram two.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, referring to Fig. 1-5:
A kind of knee control device that can Fast Installation, include food tray 1, the baseplane of food tray 1 is arranged at intervals with crank axle mount pad 2, on mount pad 2, be provided with installing hole 3, and on mount pad 2, be provided with the opening 4 with installing hole 3 UNICOMs, crank axle 5 is interior clockwise or rotate counterclockwise at installing hole 3, the diameter of the distance L EssT.LTssT.LT installing hole 3 between opening 4 place's two inwalls, on crank axle 5, be provided with the large-diameter portion that can match by the minor diameter part at opening 4 places and size and installing hole 3, distance between diameter > opening 4 place's two inwalls of large-diameter portion, on the crank axle 5 between two mount pads 2, be disposed with from left to right two-way crank assemblies 6, two-way crank torsion spring 7, two-way crank 8 is connected by screw and crank axle 5, one end of two-way crank torsion spring 7 is arranged on the two-way crank 8 of two-way crank assemblies 6 or is plugged in the jack of crank axle 5, the other end is arranged on food tray 1 baseplane, two-way crank torsion spring 7 is controlled the reset of two-way crank 8, crank axle 5 passes opening 4 by minor diameter part and enters in installing hole 3, and moving axially crank axle 5 is arranged in installing hole 3 large-diameter portion, two-way crank assemblies 6 arranges near the mount pad 2 in left side, two-way crank assemblies 6, two-way crank torsion spring 7 is between two mount pads 2, stretch out respectively outside mount pad 2 at the two ends of crank axle 5, be connected with control stick 9 at the right-hand member of crank axle 5, on control stick 9, be provided with cushion 10, the other end of two-way crank torsion spring 7 is arranged on food tray 1 baseplane in corresponding draw-in groove 11, draw-in groove 11 is by two spaced convexing to form, part near one of them mount pad 2 left side on crank axle 5 is provided with jump ring 12, jump ring 12 coordinates and prevents that crank axle 5 from moving axially with two-way crank assemblies 6.
The two ends of above-mentioned crank axle 5 are provided with draw-in groove and form minor diameter part 13, and the cross section of minor diameter part 13 is circle or polygon, can be by the opening 4 on mount pad 2, and the general circle that adopts is more, and the crank axle 5 outside draw-in groove is large-diameter portion; Also can adopt following structure: on crank axle 5, be arranged at intervals with two annular bead and form large-diameter portion, crank axle 5 is minor diameter part.
Above-mentioned annular bead and crank axle 5 are integral type structure or split-type structural.
Above-mentioned split-type structural is: annular bead is sleeved on outside crank axle 5, and is connected by glue or screw and crank axle 5.
The right-hand member of above-mentioned crank axle 5 is connected with control stick 9 by control stick cruciform joint 14.
On above-mentioned food tray baseplane, be arranged at intervals with two projections 15 and form draw-in groove, the other end of two-way crank torsion spring is arranged in draw-in groove.
Installation steps of the present invention are:
Two-way crank assemblies 6, two-way crank torsion spring 7 are mounted on crank axle 5, and connecting control stick 9, cushion 10 assembly-knee control assembly that forms a whole by control stick cruciform joint 14, the two-way crank 8 of two-way crank assemblies 6 is connected by two-way crank screw and crank axle 5.By knee control assembly, snap in by the opening 3 on food tray 1, shift crank axle 5 onto assigned address afterwards, crank axle 5 is arranged in the installing hole 3 of mount pad 2 of food tray 1, the upper jump ring 12 of card afterwards, by spacing knee control assembly in food tray 1 bottom.
Operation principle of the present invention is:
The two-way crank assemblies 6 of knee control device is connected with presser foot lifter ejector pin by two-way crank 8, then is connected with the lift lever of presser foot lifting device.Operator acts on cushion 10 with knee and drives crank axle 5 in the interior rotation of installing hole 3 by control stick 9, control stick cruciform joint 14, and the two-way crank 8 being connected on two-way crank assemblies 6 moves and then drives presser foot lifter ejector pin and lift lever action to realize presser foot lifter action; In the time acting on external force on cushion 10 and disappear, under the effect of two-way crank torsion spring 7, crank axle 5 rotates backward, resets in installing hole 3.
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 (7)
- One kind can Fast Installation knee control device, include food tray, it is characterized in that: the baseplane of food tray is arranged at intervals with crank axle mount pad, on mount pad, be provided with installing hole, and on mount pad, be provided with the opening with installing hole UNICOM, crank axle rotates in installing hole, the diameter of the distance L EssT.LTssT.LT installing hole between opening part two inwalls, on crank axle, be provided with the large-diameter portion that can match by the minor diameter part of opening part and size and installing hole, distance between diameter > opening part two inwalls of large-diameter portion, on the crank axle between two mount pads, be disposed with from left to right two-way crank assemblies, two-way crank torsion spring, one end of two-way crank torsion spring is arranged on two-way crank assemblies or is plugged on crank axle, the other end is arranged on food tray baseplane, crank axle passes opening by minor diameter part and enters in installing hole, and moving axially crank axle is arranged in installing hole large-diameter portion, two-way crank assemblies is near the mount pad setting in left side, stretch out respectively outside crank axle mount pad at the two ends of crank axle, right-hand member at crank axle is connected with control stick, on control stick, be provided with cushion, on crank axle, be provided with jump ring near the part in one of them mount pad left side, jump ring coordinates and prevents that crank axle from moving axially with two-way crank assemblies.
- 2. a kind of knee control device that can Fast Installation according to claim 1, is characterized in that: the two ends of described crank axle are provided with draw-in groove and form minor diameter part, and the cross section of minor diameter part is circle or polygon, and the crank axle outside draw-in groove is large-diameter portion.
- 3. a kind of knee control device that can Fast Installation according to claim 1, is characterized in that: on described crank axle, be arranged at intervals with two annular bead and form large-diameter portions, crank axle is minor diameter part.
- 4. a kind of knee control device that can Fast Installation according to claim 3, is characterized in that: described annular bead and crank axle are integral type structure or split-type structural.
- 5. a kind of knee control device that can Fast Installation according to claim 4, is characterized in that: described split-type structural is: annular bead is sleeved on outside crank axle, and is connected by glue or screw and crank axle.
- 6. a kind of knee control device that can Fast Installation according to claim 1, is characterized in that: the right-hand member of described crank axle is connected with control stick by control stick cruciform joint.
- 7. a kind of knee control device that can Fast Installation according to claim 1, is characterized in that: on described food tray baseplane, be arranged at intervals with two and convex to form draw-in groove, the other end of two-way crank torsion spring is arranged in draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338452.0A CN104120550B (en) | 2014-07-16 | 2014-07-16 | A kind of can the knee control device of Fast Installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338452.0A CN104120550B (en) | 2014-07-16 | 2014-07-16 | A kind of can the knee control device of Fast Installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104120550A true CN104120550A (en) | 2014-10-29 |
| CN104120550B CN104120550B (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338452.0A Active CN104120550B (en) | 2014-07-16 | 2014-07-16 | A kind of can the knee control device of Fast Installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104120550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917195A (en) * | 2015-12-11 | 2017-07-04 | 蛇之目缝纫机工业株式会社 | The push lifting device of sewing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409914A (en) * | 1981-06-19 | 1983-10-18 | The Singer Company | Multi-stage presser lifter device |
| US4706587A (en) * | 1984-03-28 | 1987-11-17 | Tokyo Juki Industrial Co., Ltd. | Presser foot lifter in sewing machine |
| JP2000093677A (en) * | 1998-09-21 | 2000-04-04 | Brother Ind Ltd | Cloth press/release unit of sewing machine |
| CN1936143A (en) * | 2005-09-23 | 2007-03-28 | 杜尔克普—阿德勒股份公司 | Sewing machine |
| CN201785603U (en) * | 2010-09-13 | 2011-04-06 | 上海富山精密机械科技有限公司 | Automatic presser foot raising mechanism of industrial flat bed sewing machine |
| CN102071546A (en) * | 2009-11-20 | 2011-05-25 | 株式会社莱梦德 | Accessory for sewing machine, sewing machine and sewing method |
| CN203049213U (en) * | 2013-01-16 | 2013-07-10 | 新杰克缝纫机股份有限公司 | Knee-controlled pressure foot lifting device |
| CN203977089U (en) * | 2014-07-16 | 2014-12-03 | 杰克缝纫机股份有限公司 | A kind of knee control device that can Fast Installation |
-
2014
- 2014-07-16 CN CN201410338452.0A patent/CN104120550B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409914A (en) * | 1981-06-19 | 1983-10-18 | The Singer Company | Multi-stage presser lifter device |
| US4706587A (en) * | 1984-03-28 | 1987-11-17 | Tokyo Juki Industrial Co., Ltd. | Presser foot lifter in sewing machine |
| JP2000093677A (en) * | 1998-09-21 | 2000-04-04 | Brother Ind Ltd | Cloth press/release unit of sewing machine |
| CN1936143A (en) * | 2005-09-23 | 2007-03-28 | 杜尔克普—阿德勒股份公司 | Sewing machine |
| CN102071546A (en) * | 2009-11-20 | 2011-05-25 | 株式会社莱梦德 | Accessory for sewing machine, sewing machine and sewing method |
| CN201785603U (en) * | 2010-09-13 | 2011-04-06 | 上海富山精密机械科技有限公司 | Automatic presser foot raising mechanism of industrial flat bed sewing machine |
| CN203049213U (en) * | 2013-01-16 | 2013-07-10 | 新杰克缝纫机股份有限公司 | Knee-controlled pressure foot lifting device |
| CN203977089U (en) * | 2014-07-16 | 2014-12-03 | 杰克缝纫机股份有限公司 | A kind of knee control device that can Fast Installation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917195A (en) * | 2015-12-11 | 2017-07-04 | 蛇之目缝纫机工业株式会社 | The push lifting device of sewing machine |
| CN106917195B (en) * | 2015-12-11 | 2021-05-11 | 蛇之目缝纫机工业株式会社 | Pushing and lifting device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104120550B (en) | 2016-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| 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. |