CN107201608B - Spill wick and rotary shuttle shaft fit structure, rotating shuttle oil supply structure and sewing machine - Google Patents
Spill wick and rotary shuttle shaft fit structure, rotating shuttle oil supply structure and sewing machine Download PDFInfo
- Publication number
- CN107201608B CN107201608B CN201710624842.8A CN201710624842A CN107201608B CN 107201608 B CN107201608 B CN 107201608B CN 201710624842 A CN201710624842 A CN 201710624842A CN 107201608 B CN107201608 B CN 107201608B
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- Prior art keywords
- wick
- extrusion
- rotary shuttle
- shaft
- shuttle shaft
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
- D05B71/02—Loop-taker lubricating devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/26—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention, which provides, a kind of spills wick and rotary shuttle shaft fit structure, the rotating shuttle oil supply structure with the fit structure and the sewing machine with the oil supply structure.The fit structure includes rotary shuttle shaft and is set on rotary shuttle shaft and spills wick, it spills wick and rotary shuttle shaft is clearance fit, rotary shuttle shaft front end offers axial threaded hole, radial side offers the through hole with threaded hole perforation, fastening screw is installed in threaded hole, extrusion is placed in through hole, fastening screw squeezes extrusion, makes extrusion and spills wick formation interference fit.Using above-mentioned fit structure, the assembly precision of rotating shuttle and the convenience of oily line replacement are improved.
Description
Technical field
The present invention relates to technical field of sewing machines, spill wick and rotary shuttle shaft fit structure more particularly to one kind, have and be somebody's turn to do
The rotating shuttle oil supply structure of fit structure and sewing machine with the oil supply structure.
Background technique
The component part important as sewing machine, rotating shuttle plays the role of hooking and guide slit line forms stitching, therefore revolves
The quality of shuttle working condition directly affects the working performance of sewing machine.Since rotating shuttle is a kind of rotatable parts, especially in high speed
In sewing machine, lower axle and spindle drive ratio are 2:1, and the revolving speed of rotating shuttle commonly reaches 8000rad/min or more, it is therefore desirable to rotation
Shuttle fuel feeding is lubricated to guarantee sewing machine good working order.
Currently, general sewing machine using by oil pump feed to rotating shuttle.But this fuel system oiling is more, no
Only pollution sewing also will cause the waste of lubricating oil, and since the stickiness of oil causes rotating shuttle dust to accumulate, influence rotating shuttle work
Performance.
In view of the above problems, people are made that various improvement, such as 202705692 U of Chinese patent literature CN disclose
A kind of rotating shuttle fueler of sewing machine including rotating shuttle axle sleeve, rotary shuttle shaft, is sleeved on rotary shuttle shaft and can spill oil to rotating shuttle Oil Guide
Core, oil seal ring and with the oily line of fuel tank connection etc..The characteristics of rotating shuttle therein is micro- oily rotating shuttle, this kind of rotating shuttle is in rotating shuttle
Rear end increases oil storage tank, i.e., outer shuttle body rear end face is recessed oil storage tank, and connection oil storage tank and Nei Suo are offered in outer shuttle body
Oil guiding hole.
The structural principle is that oil box is immersed in oily line one end, and the other end is contacted with wick end face is spilt, and spills wick in rotary shuttle shaft
Lower high speed rotation is driven, the lubricating oil on oily line is introduced by rotating shuttle oil storage tank by centrifugal force, feed lubrication is carried out to rotating shuttle,
Micro- oil lubrication is realized, the pollution to sewing is reduced.But wick is spilt in the device to be interference fitted on rotary shuttle shaft, is being filled in this way
It will cause rotary shuttle shaft during matching to be deformed, influence the assembly precision of rotating shuttle.And need when more to change oil line will be whole
A rotary shuttle shaft removes, and operates sufficiently complex, and which spills that wick position is unadjustable, to the assembly precision of part require compared with
It is high.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention spills wick and rotary shuttle shaft at least that providing one kind
Fit structure, the rotating shuttle oil supply structure with the fit structure and the sewing machine with the oil supply structure, to improve the dress of rotating shuttle
Convenience with precision and the oily line replacement of raising.
In order to achieve the above objects and other related objects, an embodiment of the invention provides one kind and spills wick and rotating shuttle
The fit structure of axis, including rotary shuttle shaft and the wick that spills being set on rotary shuttle shaft, wick and the rotary shuttle shaft of spilling is gap
Cooperation, the rotary shuttle shaft front end offers axial threaded hole, at least offers and the spiral shell in the radial side of the rotary shuttle shaft
The through hole of pit perforation, the threaded hole is interior to install fastening screw, is placed with extrusion, the fastening spiral shell in the through hole
Nail squeezes the extrusion, and the extrusion and the wick that spills is made to form interference fit.
In one embodiment, the extrusion is pearl extrusion.
In one embodiment, the pearl extrusion is steel ball.
In one embodiment, the extrusion is cylindric extrusion.
In one embodiment, the extrusion is the blocky extrusion that section is polygon.
In one embodiment, the contact surface of the extrusion and the fastening screw is inclined-plane.
In one embodiment, the through hole is multiple.
In one embodiment, the present invention provides a kind of rotating shuttle oil supply structure, including by outer shuttle of rotating shuttle body rear end face
Spill at oil storage tank and outer shuttle body on open up be connected to the oil storage tank and the oil guiding hole of Nei Suo, and including aforementioned any reality
Apply the fit structure for spilling wick and rotary shuttle shaft of mode；The wick that spills includes two end faces, and one of end face is located at described
In oil storage tank, the oily drum with the rotary shuttle shaft clearance fit, institute are also arranged on the rotary shuttle shaft of another end face side
Oily drum is stated to be fixed on lower shaft of sewing machine front shaft sleeve；The rotating shuttle oil supply structure further includes oily line, and described oil line one end is immersed
Oil box, the other end are wrapped on the oily drum and spill another end face described in wick with described and contact.
In one embodiment, the side of the oily drum opens up fuel feeding line and passes through the export slot for immersing oil box or export
Hole.
In one embodiment, the present invention also provides a kind of sewing machines of aforementioned any rotating shuttle oil supply structure.
The respective embodiments described above of the invention have the advantages that due to rotary shuttle shaft and to spill are gap between wick
Cooperation can cause rotary shuttle shaft front end to deform, provide the assembly of rotating shuttle to avoid due to spilling wick and rotary shuttle shaft is directly interference fitted
Precision；It, can be by adjusting spilling position of the wick on rotary shuttle shaft due to without removing rotary shuttle shaft in rotating shuttle oil supply structure
The replacement for realizing oily line is set, therefore improves convenience.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of the rotating shuttle oil supply structure of one embodiment of the invention.
Fig. 2 is shown as the rotary shuttle shaft of one embodiment of the invention and the structural schematic diagram for spilling wick cooperation.
Fig. 3 is shown as the rotary shuttle shaft of another embodiment of the present invention and the structural schematic diagram for spilling wick cooperation.
Component label instructions
1 rotating shuttle
2 spill wick
3 oily lines
4 rotary shuttle shafts
5 front shaft sleeve for lower shaft
6 extrusions
7 fastening screws
8 oil storage tanks
9 knife rest pressing plates
10 oily drums
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It please refers to Fig.1 to Fig.3.It should be clear that structure, ratio, size etc. depicted in this specification attached drawing, only to match
The revealed content of specification is closed, so that those skilled in the art understands and reads, is not intended to limit the invention implementable
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed technology
In the range of Rong Suoneng is covered.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Deng term, be merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness
Or adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Fig. 1 shows the structural schematic diagram of the rotating shuttle oil supply structure of one embodiment of the invention.Rotating shuttle 1 is micro- oily rotating shuttle,
Rear end is provided with oil storage tank 8, i.e., outer shuttle body rear end face is recessed oil storage tank 8, and outer shuttle body opens up connection oil storage tank 8 and Nei Suo
Oil guiding hole (not shown).Rotating shuttle 1 is for example fixed by screws in rotary shuttle shaft 4 (being the lower axle of sewing machine in the present embodiment)
On, it is successively arranged on the rotary shuttle shaft 4 of outer shuttle body rear end face side and spills wick 2 and oily drum 10, spill wick 2 and oily drum 10
With 4 clearance fit of rotary shuttle shaft.It spills wick 2 to be fixed on rotary shuttle shaft 4, be rotated together with rotary shuttle shaft 4, fixed form is detailed in down
The description of text.Oily drum 10 is fixed on lower shaft of sewing machine front shaft sleeve 5, is not rotated with.As shown in Figure 1, oily drum 10
It is limited by knife rest pressing plate 9 and front shaft sleeve for lower shaft 5 and is fixed with the two, knife rest pressing plate 9 and front shaft sleeve for lower shaft 5 are by clamping oily line
The peripheral flange of disk 10 is fixed between by oily drum 10, and can also further be reinforced by screw etc..Although this reality
Oily drum 10 is applied in example by knife rest pressing plate 9 and the limit of front shaft sleeve for lower shaft 5 and fixed, however, it is not limited to this kind of mode, root
According to the needs that the overall construction design and components of different sewing machines are laid out, other any suitable fixed forms can also be used.
The one ends wound of oily line 3 contacts on oily drum 10 and with the end face for spilling wick 2.Oily line 3 is on oily drum 10
Winding, such as can be used such as under type: annular is opened up on the end face of oily drum 10 one end opposite with wick 2 is spilt or in circumferential direction
Oily line 3 is embedded in the holding tank by holding tank in a ring, or fuel feeding is arranged in oily drum 10 one end opposite with wick 2 is spilt
The protrusion structure that line 3 is wound；It is such.Oily 3 other end of line passes through the export slot that 10 side of oily drum opens up or oil is immersed in hole
Box (not shown).
Since oily line 3 is contacted with the end face for spilling wick 2, thus wick 2 is spilt under the drive of rotary shuttle shaft 4 when high speed rotation,
The lubricating oil on oily line 3 can be introduced into oil storage tank 8 by centrifugal force, and lubricating oil is introduced by interior shuttle by oil guiding hole, to rotation
Shuttle 1 carries out micro- oil lubrication.
Fig. 2 shows the rotary shuttle shafts of one embodiment of the invention and the structural schematic diagram for spilling wick cooperation.It bores 4 front end of rotary shuttle shaft
There is axial threaded hole, rotary shuttle shaft 4 is radial to open up the through hole to connect with threaded hole, places extrusion 6, the implementation in through hole
In example, extrusion 6 is steel ball.Fastening screw 7 is first screwed into rotary shuttle shaft 4 in assembly, extrusion (steel ball) 6 is put into through hole.
Wick 2 and 4 clearance fit of rotary shuttle shaft are spilt, so spilling the periphery that wick 2 can be directly sleeved on rotary shuttle shaft 4.It is put into properly when spilling wick 2
When position, fastening screw 7 is tightened, fastening screw 7, which resists steel ball 6, makes steel ball 6 is upward to spill wick 2, realizes the position for spilling wick 2
Set fixation.Although Fig. 2 only shows a through hole, multiple through holes can also be radially opened up in rotary shuttle shaft 4, such as radially
Symmetrical two through holes, and place extrusion respectively wherein.
Fig. 3 shows the rotary shuttle shaft of another embodiment of the present invention and the structural schematic diagram for spilling wick cooperation.With reality shown in Fig. 2
Apply example the difference is that, the steel ball as extrusion 6 is replaced with it is columned, and to obtain preferably stressed effect,
The cylindric extrusion (or steel ball) can also be formed as inclined-plane with what fastening screw 7 contacted on one side.Fig. 2 and Fig. 3 are
Two kinds of examples of extrusion 6 are provided, those skilled in the art are illustrated, and the extrusion that other any suitable shapes also can be used is used
To replace steel ball and cylinder, such as section is the blocky extrusion of polygon, is also possible to tiltedly with the contact surface of fastening screw
Face, selected material are also not necessarily limited to steel.
The present invention also provides the sewing machines for the rotating shuttle oil supply structure for including above-described embodiment.
In the above embodiment of the present invention, due to reducing the pollution to sewing using micro- oil lubrication.Again by
In rotary shuttle shaft and to spill be clearance fit between wick, that is, increases the inner ring size for spilling wick, and when installation first twists fastening screw
Enter, then put extrusion into through hole, then will spill wick loading, and then fastening screw be tightened, thus by extrusion to spilling
Wick squeezes, and makes to spill and realizes interference fit between wick and extrusion, i.e., during fastening screw is screwed into, extrusion is to spilling wick
Active force can be increasing, and then fastening screw be screwed into during can make to spill wick and be interference fitted with extrusion, such as
This can cause rotary shuttle shaft front end to deform to avoid due to spilling wick and rotary shuttle shaft is directly interference fitted, and influence rotating shuttle shaft size essence
Degree.Also, when needing replacing oily line, since fastening screw front end is inclined-plane, only needs to unscrew fastening screw, fasten spiral shell
Difference gap will be generated between nail and extrusion, make extrusion and spill spacing between wick to increase, extrusion and spill wick it
Between generate loosening, to make to spill wick and clearance fit occurs in extrusion, at this time without removing rotary shuttle shaft, tune can be passed through
The replacement of oily line is realized in the whole position for spilling wick on rotary shuttle shaft, improves production efficiency, while also improving convenience.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of fit structure for spilling wick and rotary shuttle shaft, including rotary shuttle shaft and the wick that spills being set on rotary shuttle shaft, feature
It is:
Wick and the rotary shuttle shaft of spilling is clearance fit；
The rotary shuttle shaft front end offers axial threaded hole, offers in the radial side of the rotary shuttle shaft and passes through with the threaded hole
Logical through hole；
Fastening screw is installed in the threaded hole, extrusion is placed in the through hole, the fastening screw squeezes described squeeze
Casting die makes the extrusion and the wick that spills form interference fit.
2. the fit structure according to claim 1 for spilling wick and rotary shuttle shaft, it is characterised in that: the extrusion is pearl
Extrusion.
3. the fit structure according to claim 2 for spilling wick and rotary shuttle shaft, it is characterised in that: the pearl extrusion is
Steel ball.
4. the fit structure according to claim 1 for spilling wick and rotary shuttle shaft, it is characterised in that: the extrusion is cylinder
Shape extrusion.
5. the fit structure according to claim 1 for spilling wick and rotary shuttle shaft, it is characterised in that: the extrusion is section
For the blocky extrusion of polygon.
6. according to any fit structure for spilling wick and rotary shuttle shaft of claim 2-5, it is characterised in that: the extrusion
Contact surface with the fastening screw is inclined-plane.
7. the fit structure according to claim 1 for spilling wick and rotary shuttle shaft, it is characterised in that: the through hole is more
It is a.
8. a kind of rotating shuttle oil supply structure, open up including the oil storage tank being recessed by outer shuttle of rotating shuttle body rear end face and in outer shuttle body
It is connected to the oil guiding hole of the oil storage tank and inner rotating-shuttle, it is characterised in that:
Including according to claim 1-7 any fit structures for spilling wick and rotary shuttle shaft；
The wick that spills includes two end faces, and one of end face is located in the oil storage tank, another end face side it is described
The oily drum with the rotary shuttle shaft clearance fit is arranged on rotary shuttle shaft, the oil drum is fixed on lower shaft of sewing machine front shaft sleeve
On；
The rotating shuttle oil supply structure further includes oily line, and oil box is immersed in described oil line one end, and the other end is wrapped on the oily drum
And it spills another end face described in wick with described and contacts.
9. rotating shuttle oil supply structure according to claim 8, it is characterised in that: the side of the oil drum is opened up for the oil
Line passes through the export slot or leadout hole for immersing oil box.
10. a kind of sewing machine, it is characterised in that: including rotating shuttle oil supply structure according to claim 8 or claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624842.8A CN107201608B (en) | 2017-07-27 | 2017-07-27 | Spill wick and rotary shuttle shaft fit structure, rotating shuttle oil supply structure and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624842.8A CN107201608B (en) | 2017-07-27 | 2017-07-27 | Spill wick and rotary shuttle shaft fit structure, rotating shuttle oil supply structure and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107201608A CN107201608A (en) | 2017-09-26 |
| CN107201608B true CN107201608B (en) | 2019-10-11 |
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ID=59911210
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624842.8A Active CN107201608B (en) | 2017-07-27 | 2017-07-27 | Spill wick and rotary shuttle shaft fit structure, rotating shuttle oil supply structure and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107201608B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733545B (en) * | 2018-12-30 | 2023-07-14 | 浙江中捷缝纫科技有限公司 | Rotating shuttle oil supply structure and sewing machine with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527780Y (en) * | 2002-02-09 | 2002-12-25 | 刘连忠 | Disc brake parking automatic compensating liftout mechanism |
| CN202251479U (en) * | 2011-07-08 | 2012-05-30 | 安徽天利动力股份有限公司 | Thin-wall shaft end supporting assembly |
| CN102537153A (en) * | 2011-12-22 | 2012-07-04 | 晋江市万宏汽车部件有限公司 | Manual braking adjusting arm looseness-preventing and locking device |
| CN202441787U (en) * | 2011-12-01 | 2012-09-19 | 重庆卡福汽车制动转向***有限公司 | Worm-adjusting device for hand-operated slack adjuster |
| CN202705692U (en) * | 2012-06-20 | 2013-01-30 | 新杰克缝纫机股份有限公司 | Rotating shuttle oil supply device of sewing machine |
-
2017
- 2017-07-27 CN CN201710624842.8A patent/CN107201608B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527780Y (en) * | 2002-02-09 | 2002-12-25 | 刘连忠 | Disc brake parking automatic compensating liftout mechanism |
| CN202251479U (en) * | 2011-07-08 | 2012-05-30 | 安徽天利动力股份有限公司 | Thin-wall shaft end supporting assembly |
| CN202441787U (en) * | 2011-12-01 | 2012-09-19 | 重庆卡福汽车制动转向***有限公司 | Worm-adjusting device for hand-operated slack adjuster |
| CN102537153A (en) * | 2011-12-22 | 2012-07-04 | 晋江市万宏汽车部件有限公司 | Manual braking adjusting arm looseness-preventing and locking device |
| CN202705692U (en) * | 2012-06-20 | 2013-01-30 | 新杰克缝纫机股份有限公司 | Rotating shuttle oil supply device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107201608A (en) | 2017-09-26 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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