CN201236267Y - Direct drive type upper differential sewing machine - Google Patents
Direct drive type upper differential sewing machine Download PDFInfo
- Publication number
- CN201236267Y CN201236267Y CNU2008201512399U CN200820151239U CN201236267Y CN 201236267 Y CN201236267 Y CN 201236267Y CN U2008201512399 U CNU2008201512399 U CN U2008201512399U CN 200820151239 U CN200820151239 U CN 200820151239U CN 201236267 Y CN201236267 Y CN 201236267Y
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- shaft
- upper shell
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- driving shaft
- differential
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Abstract
The utility model relates to an improved structure of a driving mode of a differential sewing machine. The direct-drive type upper differential sewing machine comprises an upper shell body (8), a transverse-placed driving shaft (6) arranged in the upper shell body (8), a differential mechanism unit element (4) assembled on the driving shaft (6), a lower machine body, and a feed lifting rock shaft (12), a lower shaft and a cloth feeding shaft that are arranged in the lower machine body in parallel, wherein a direct-drive electromotor (10) is coaxially connected with the driving shaft (6), one part of the left side of the direct-drive electromotor (10) is arranged outside the upper shell body (8), and the other part of the left side of the direct-drive electromotor (10) is arranged at the right side of an upright post section inside the upper shell body (8); the differential mechanism unit element (4) which is connected to the driving shaft (6) through a cam connecting rod structure approaches to the right side of the upright post section of the upper shell body (8), and the driving shaft (6) is connected and transmitted to the feed lifting rock shaft (12) of the lower machine body through a synchronous belt (11); and the feed lifting rock shaft (12) is interlocked with the lower shaft (9) and the cloth feeding shaft in the lower machine body through a gear wheel or a belt. Through adopting the technical proposal, the utility model is the same with the prior differential sewing machine on the respects of package, storage, transportation and installation, and the aim of internal direct drive of the electromotor is achieved.
Description
(1) technical field
The utility model is a kind of structure of Sewing machines, is specifically related to a kind of structure of differential type Sewing machines type of drive improvement.
(2) background technology
As everyone knows, though the quantity that the differential type Sewing machines is used in the Sewing machines industry is not very many, because of its effect uniqueness still can not lack suddenly.
The differential type Sewing machines divides upward differential or differential down, its operation principle is, rotate in the process of operation at Sewing machines, divide one of above or below the needlework pressing plate two actions at work feed forward, wherein one fast one is slow, caused the effect of pleating wrinkle, this processing mode mainly is the decoration place, part that is used in clothes, locates as the shirtfront of skirt, the bottom of clothes etc.
Specifically, a kind of presser feet work feed structure that is matched with Sewing machines, it is provided with the structure that a work feed presser feet comes the work feed material, and power source is from Sewing machines itself, can be simultaneously in the Sewing machines running, the motion that cooperates the sewing needle distance size to push and draw the work feed material accordingly, it is provided with a cloth feed amount adjusting part, by regulating the cloth feed amount adjusting part, make the work feed presser feet cooperate the Sewing machines feed dog to form differential type work feed up and down, also can make work feed presser feet pleat amount size on demand carry out work feed by adjusting, and maximum cloth feed amount is limited by the local modulation cam, the sewing person changes the work feed presser feet amount of moving forward and backward, in sewing by rotary main shaft between last cloth feed amount and maximum cloth feed amount, exempt the trouble that the sewing person must send and draw the work feed material with hand push, the person need not learn to send and draw with hand push the operation skill of work feed material to make the sewing, does not also need to possess abundant sewing experience, just can carry out the operation of pleating wrinkle sewing easily.
The differential type Sewing machines since its consumption on market few, so its improvement, the improvement also wait a moment relatively less.As type of drive, be that artificial pin is stepped on for a long time, rotate by outboard motor gradually thereafter, the hand-lifting wheel that drives differential type Sewing machines left side by belt rotates, and has improved operating rate and efficient.
Raising along with people's living standard, enriching of apparel design, the development of sewing industry, market has had new improvement requirement again to the differential type Sewing machines, does not wish large-scale drive motors is configured in the outside, and it is big to take volume, belt transmits easily loosening being out of order, inconvenience is moved in carrying, and wishes a kind of compact conformation can be provided, and drives the type that power directly is configured in head of sewing machine.And the relative clutch motor power saving of direct driving motor is about about 50%, directly drives and has reduced the loss in the transmission process.
The structure of prior art differential type Sewing machines is, enter upper shell from left side belt pulley driving shaft, upper shell is made up of pillar segment, accumbency section and head three parts from left to right, driving shaft after entering upper shell is in succession, driving shaft is lifted tooth connecting rod and work feed connecting rod by what connect, and two connecting rods are passed to feed lifting rock shaft and cloth pushing shaft in the lower body of bottom respectively with power.Driving shaft stretches to the right, one group of differential attachment unit piece of transmission, and the differential attachment unit piece is the U-shaped spare that Open Side Down, the some revolving rods of interlock.Driving shaft continues to pass to a vertical pivot by bevel gear to the right, and the downward again transmitting power of vertical pivot is given the lower shaft rotary power in the lower body.
Structure observation from prior art differential type Sewing machines, in upper shell, arranged relatively more sufficient parts, had quite in the built-in upper shell of direct driving motor, do not had the space can to place motor if directly adopt, must be to the right, i.e. expansion laterally.And prior art differential type Sewing machines has been to use popular many decades, no matter as the user is to dispose at the workshop, still packing, the transportation of head of sewing machine are all stipulated and kept certain space, the expansion profile can't be given again, all difficulty and trouble can be brought such as vanning, preservation, carrying, installation, use other of being correlated with.
Market has proposed a urgent subject, wishes on the basis that does not enlarge differential type Sewing machines monnolithic case, changes the form of present manual or external motor belt-type driving, and transformation, improvement are the differential Sewing machines of built-in direct driving motor drive-type.
(3) utility model content
The purpose of this utility model is the structure-improved that a kind of differential type Sewing machines will be provided, and under the condition of the housing that does not enlarge prior art differential type Sewing machines, appearance and size, realizes structure and mode that electric machine built-in directly drives.
The purpose of this utility model is realized by following structure.
Comprise by pillar segment, the upper shell that accumbency section and head three parts are formed, and the horizontal driving shaft in the upper shell and be connected differential attachment unit piece on the driving shaft by the cam link structure, lower body and place the feed lifting rock shaft of three configured in parallel in the lower body, lower shaft, cloth pushing shaft, it is characterized in that: the coaxial connection driving shaft of direct driving motor, the left side part of direct driving motor places the upper shell outside, another part places the right side of upper shell internal upright section, describedly be connected differential attachment unit piece on the driving shaft near the right side of upper shell pillar segment by the cam link structure, driving shaft connects the feed lifting rock shaft that is passed to lower body with the synchronous belt form;
The employing rolling bearing that is rotationally connected of described driving shaft, differential attachment unit piece, lower shaft, feed lifting rock shaft, cloth pushing shaft.
Adopt the utility model, occupying bigger the lifting of leftward space in the pillar segment of prior art upper shell presses connecting rod and work feed connecting rod to be omitted, adopted driving shaft rotary power to be transferred to the feed lifting rock shaft of lower body through synchronous belt, pass to lower shaft in the lower body that coexists by feed lifting rock shaft again, cloth pushing shaft, make the lower shaft in the lower body, cloth pushing shaft has obtained rotary power equally, original two linkages have been simplified, vacateed the space, in this space, placed the part of direct driving motor, another part is exposed to the upper shell outside, but the end of exposed portions serve does not exceed the position dimension of former belt pulley, therefore general shape has kept identical with the profile of prior art differential type Sewing machines, even smaller space, at all not can to people's worry such as vanning, preserve, carrying, install, difficulty that use brings and trouble.
At lower body, by feed lifting rock shaft by power is easy to realize with lower shaft, the cloth pushing shaft that gear or belt mode interlock be arranged in parallel to both sides.
Synchronous belt occupation space volume is less, therefore can bring convenience to direct driving motor is built-in as far as possible, and the transmission of synchronous belt, more steady than two groups of modes of vertically being transmitted by bevel gear of prior art, noise reduces.
The differential attachment unit piece is assemblied on the driving shaft right side near the upper shell pillar segment, is the favourable upper shell pillar segment leftward position of abdicating equally, favourable direct driving motor built-in.
Being rotationally connected between inner shaft, the slip rotation that has changed original technology is the roll rotational transmission of rolling bearing, has reduced gearing friction power, has saved the energy, especially can dwindle the power and the volume of motor for built-in direct driving motor.
The beneficial effects of the utility model find expression in: adopt the technical program, the left side of upper shell pillar segment is shifted out the space and is used for placing direct driving motor, the differential type Sewing machines monnolithic case that has disposed direct driving motor is identical with original differential type Sewing machines, packing, preserve, transportation, install and all do not change, do not bother and reached the purpose that electric machine built-in directly drives.Fill up the blank that in differential type Sewing machines type, adopts the direct driving motor mode, had tangible novelty and superior effect.
And the relative clutch motor power saving of direct driving motor is about about 50%, directly drives and has reduced the energy loss in the transmission process, also has energy-saving advantages.
(4) description of drawings
Fig. 1 is the partial sectional view of prior art differential type Sewing machines structure;
Fig. 2 is the partial sectional view of differential Sewing machines structure on the utility model direct-drive type.
Among the figure, the 1st, belt pulley, the 2nd, lift the pressure connecting rod, the 3rd, work feed connecting rod, the 4th, differential attachment unit piece, the 5th, vertical pivot, 6 driving shafts, the 7th, last axle, 8 upper shells, the 9th, lower shaft, the 10th, direct driving motor, the 11st, synchronous belt, the 12nd, feed lifting rock shaft, the 13rd, left alignment pin, the 14th, right alignment pin.
(5) specific implementation method
Further describe structure of the present utility model below in conjunction with accompanying drawing.
Differential Sewing machines on the direct-drive type, comprise by pillar segment, the upper shell 8 that accumbency section and head three parts are formed, and horizontal driving shaft in the upper shell 86 and the differential attachment unit piece 4 that is assemblied on the driving shaft 6, lower body and place the feed lifting rock shaft 12 of three configured in parallel in the lower body, lower shaft 9, cloth pushing shaft, direct driving motor 10 coaxial connection driving shafts 6, the left side part of direct driving motor 10 places upper shell 8 outsides, another part places the right side of upper shell 8 internal upright sections, described differential attachment unit piece 4 is connected left alignment pin 13 by the cam link structure, near the right side of upper shell 8 pillar segment, driving shaft 6 connects the feed lifting rock shaft 12 that is passed to lower body with synchronous belt 11 forms on right alignment pin 14 and the driving shaft 6; Feed lifting rock shaft 12 in lower body with gear or belt mode interlock lower shaft 9 and cloth pushing shaft.Lower shaft as last differential Sewing machines changes the twice that 9 speed should be driving shaft 6 rotating speeds, and when therefore adopting synchronous belt to transmit, driving shaft 6 can not directly be passed to lower shaft 9, but passes to feed lifting rock shaft 9 earlier, passes to lower shaft 9 by feed lifting rock shaft 9 speed changes again.
The employing rolling bearing that is rotationally connected of driving shaft 6, differential attachment unit piece 4, feed lifting rock shaft 12, lower shaft 9, cloth pushing shaft.
Adopt the technical program, the space is shifted out for placing direct driving motor 10 usefulness in the left side of upper shell 8 pillar segment, the differential type Sewing machines monnolithic case that has disposed direct driving motor 10 is identical with original differential type Sewing machines, packing, preserve, transportation, install and all do not change, do not bother and reached direct driving motor 10 built-in purposes of directly driving.
Claims (2)
1. differential Sewing machines on the direct-drive type, comprise by pillar segment, the upper shell (8) that accumbency section and head three parts are formed, and the horizontal driving shaft (6) in the upper shell (8) and be connected differential attachment unit piece (4) on the driving shaft (6) by the cam link structure, lower body and place the feed lifting rock shaft (12) of three configured in parallel in the lower body, lower shaft, cloth pushing shaft, it is characterized in that: the coaxial connection driving shaft of direct driving motor (10) (6), the left side part of direct driving motor (10) places upper shell (8) outside, another part places the right side of upper shell (8) internal upright section, describedly be connected differential attachment unit piece (4) on the driving shaft (6) near the right side of upper shell (8) pillar segment by the cam link structure, driving shaft (6) connects the feed lifting rock shaft (12) that is passed to lower body with synchronous belt (11) form;
Described feed lifting rock shaft (12), in lower body with gear or belt mode interlock lower shaft (9) and cloth pushing shaft.
2. according to claim 1ly differential Sewing machines, it is characterized in that the employing rolling bearing that is rotationally connected of described driving shaft (6), differential attachment unit piece (4), feed lifting rock shaft (12), lower shaft (9), cloth pushing shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201512399U CN201236267Y (en) | 2008-07-25 | 2008-07-25 | Direct drive type upper differential sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201512399U CN201236267Y (en) | 2008-07-25 | 2008-07-25 | Direct drive type upper differential sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236267Y true CN201236267Y (en) | 2009-05-13 |
Family
ID=40649006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201512399U Expired - Lifetime CN201236267Y (en) | 2008-07-25 | 2008-07-25 | Direct drive type upper differential sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236267Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718393A (en) * | 2021-08-26 | 2021-11-30 | 无锡红豆居家服饰有限公司 | Elastic woven fabric and garment |
-
2008
- 2008-07-25 CN CNU2008201512399U patent/CN201236267Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718393A (en) * | 2021-08-26 | 2021-11-30 | 无锡红豆居家服饰有限公司 | Elastic woven fabric and garment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |