CN102337647A - Lubricating device for needle bar of sewing machine - Google Patents
Lubricating device for needle bar of sewing machine Download PDFInfo
- Publication number
- CN102337647A CN102337647A CN2011102924265A CN201110292426A CN102337647A CN 102337647 A CN102337647 A CN 102337647A CN 2011102924265 A CN2011102924265 A CN 2011102924265A CN 201110292426 A CN201110292426 A CN 201110292426A CN 102337647 A CN102337647 A CN 102337647A
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- China
- Prior art keywords
- needle bar
- shank
- oil storage
- bar sleeve
- sewing machine
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Abstract
The invention relates to a lubricating device for a needle bar of a sewing machine, which comprises a vertical cylindrical needle bar arranged on the lower end of a handpiece shell and a cylindrical needle bar sleeve; the needle bar sleeve is connected to the handpiece shell and is sleeved at the outer side of the needle bar; an oil storage groove is arranged on the inner wall of the needle bar sleeve, and an oil injection hole is arranged in the upper part of the side face of a cylinder of the needle bar sleeve. The lubricating device is characterized in that the oil storage groove on the inner wall of the needle bar sleeve is helical with the axial line of the cylinder as a middle axle. The helical oil storage groove is used for reducing the friction area of the needle bar and the needle bar sleeve so as to reduce heat. Meanwhile, the helical groove is used as a flow channel for liquid lubricating grease to ensure that the grease is uniformly distributed within 360 degrees in the vertical and sectional directions of the axial line of the needle bar sleeve. The helical oil storage groove has a simple structure, and the upper end of the helical oil storage groove is arranged at the oil injection hole of the needle bar sleeve to conveniently inject oil.
Description
Technical field
The present invention relates to a kind of lubricating device of sewing machine, relate in particular to the lubricating arrangement at a kind of needle bar of sewing machine position.
Background technology
The head shell lower end of Sewing machines is provided with the vertical shank that can move up and down, and the shank outside is equipped with a shank cover.During work, shank drives the eedle that is connected its lower end and sews, because the frequency that shank moves up and down is high, high temperature sintering takes place frictional heat easily.Traditional Sewing machines is employed in the method for injecting liquid fat in the shank cover and lubricates shank, guarantees its trouble free service, but liquid fat spills the pollution sewing easily from the slit.
For this reason, people have invented the needle bar of sewing machine lubricating arrangement that uses solid lubrication fat, and used lubricating grease normal temperature is solid down, produces high temperature during the shank motion, can make its fusing, plays lubrication, does not pollute sewing again.Said lubricating arrangement generally includes casing and shank, in the position that is positioned at the shank bottom shank cover is housed on the casing, and shank overlaps the inboard middle oil groove that stores lubricating grease that offers, and correspondence has additional special fat interpolation hole on shank cover and the casing.Said oil storage tank is usually located at the shank set upper side, and is lubricated downwards when being convenient to the grease fusing, also has at shank and overlaps inwall setting many oil storage tanks structure up and down, reduces the friction area of shank cover and shank, makes grease lubrication more even again.But, many oil storage tanks structure relative complex and do not solve grease skewness problem fully.
Summary of the invention
The present invention has overcome the deficiency of prior art, provides a kind of simple in structure, is convenient to flow, and friction area is little, and grease distributes can more uniform shank lubricating arrangement.
For achieving the above object; The technical scheme that the present invention adopts is: a kind of needle bar of sewing machine lubricating arrangement, comprise the vertical cylindrical shank and the cylindrical shape shank cover that are arranged at the head shell lower end, and said shank cover is connected on the head shell; Be placed in the shank outside; Shank cover inwall has oil storage tank, and top, shank sleeve body side has an oil filler point, it is characterized in that: the oil storage tank of said shank cover inwall is axis type in the shape of a spiral with the tubular axis.
In preferred embodiment of the present invention, further comprise said oil storage tank on correct the pouring orifice that corresponding shank puts.
In preferred embodiment of the present invention, comprise that further there is a mouth more than or equal to the shank diameter said shank cover lower end.
The invention solves the defective that exists in the background technology, the shank cover that the present invention provides a kind of inwall to have the spiral oil storage tank makes that the friction area between shank and the shank cover significantly reduces because of said spiral type groove, reduces and gives birth to heat.Simultaneously, a flow channel when the screw type cell body can be used as the lubricating grease liquid state again guarantees that shank cover axis direction reaches cross-wise direction 360 degree up and down, and grease all is evenly distributed.Said oil storage tank is simple in structure, and the oil filler point place that the upper end of spiral cell body is arranged at the shank cover can make things convenient for oiling.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Fig. 2 is the front view of shank cover and head shell in the preferred embodiments of the present invention;
Fig. 3 is the structural representation of shank cover in the preferred embodiments of the present invention;
Among the figure: 1, head shell 2, shank 3, shank cover 4, oil storage tank 5, head shell base plate 6, shank cover oil filler point 7, base plate oil filler point 8, screw 9, sealing ring.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is done further detailed explanation now, these accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Like Fig. 1, shown in Figure 2, a kind of needle bar of sewing machine lubricating arrangement comprises head of sewing machine housing (1), is connected the vertical cylindrical shank (2) and the cylindrical shape shank cover (3) of head shell (1) lower end.Said shank (2) can move up and down with respect to head shell (1) and shank cover (3).Said shank cover (3) is connected head shell (1) lower end, is placed in shank (2) outside.There is a mouth more than or equal to the shank diameter shank cover (3) lower end, has oil storage tank (4) on the inwall.Said shank cover (3) part stretches in the head shell (1), and the part of shank cover (3) cylindrical shell contacts side surfaces head shell base plate (5) has shank cover oil filler point (6), and the relevant position of housing base plate (5) also has base plate oil filler point (7).Base plate oil filler point (7) outside is with a screw (8) sealing, and (7) are lined with sealing ring (9) between screw (8) and oil filler point.Add special-purpose solid lubrication fat in the said oil storage tank (4).It is solid-state that special grease is at normal temperatures, when the shank motion produces high temperature, and the lubricating grease fusing.As shown in Figure 3, the oil storage tank (4) of said shank cover (3) inwall is axis type in the shape of a spiral with the tubular axis, and oil storage tank (4) on correct the pouring orifice (6) that corresponding shank puts.
Use has Sewing machines when work of the shank lubricating arrangement of present embodiment; Sealing ring (9) on the base plate oil filler point (7) and screw (8) are taken off; Special grease is added in the oil storage tank (4) through base plate oil filler point (7) and shank cover oil filler point (6) successively, seal up base plate oil filler point (7).Start Sewing machines, shank (2) moves up and down, and temperature raises; Lubricating grease fusing in the oil storage tank (4), and through screw type passage and slit, be uniformly distributed between shank (2) and the shank cover (3); Play lubrication, simultaneously spiral oil storage tank (4) has significantly reduced shank (2) and shank cover (3) friction area on horizontal and vertical, helps cooling; Reach the purpose of safe operate as normal, prolong parts service life.
Above foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must confirm technical scope according to the claim scope.
Claims (3)
1. needle bar of sewing machine lubricating arrangement; Comprise the vertical cylindrical shank and the cylindrical shape shank cover that are arranged at the head shell lower end; Said shank cover is connected on the head shell, is placed in the shank outside, and shank cover inwall has oil storage tank; Top, shank sleeve body side has an oil filler point, it is characterized in that: the oil storage tank of said shank cover inwall is axis type in the shape of a spiral with the tubular axis.
2. a kind of needle bar of sewing machine lubricating arrangement according to claim 1 is characterized in that: correct the pouring orifice that corresponding shank puts on the said oil storage tank.
3. a kind of needle bar of sewing machine lubricating arrangement according to claim 1 is characterized in that: there is a mouth more than or equal to the shank diameter said shank cover lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102924265A CN102337647A (en) | 2011-09-30 | 2011-09-30 | Lubricating device for needle bar of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102924265A CN102337647A (en) | 2011-09-30 | 2011-09-30 | Lubricating device for needle bar of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102337647A true CN102337647A (en) | 2012-02-01 |
Family
ID=45513580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102924265A Withdrawn CN102337647A (en) | 2011-09-30 | 2011-09-30 | Lubricating device for needle bar of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102337647A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720006A (en) * | 2012-06-26 | 2012-10-10 | 吴江市隆泰喷织厂 | Needle bar sleeve for needle bar of sewing machine |
| CN102720005A (en) * | 2012-06-26 | 2012-10-10 | 吴江市隆泰喷织厂 | Lubricating structure of sewing machine needle bar sleeve |
| CN102720014A (en) * | 2012-06-26 | 2012-10-10 | 吴江市隆泰喷织厂 | Oil storage tank of handpiece of sewing machine |
| CN102839503A (en) * | 2012-09-13 | 2012-12-26 | 吴江市隆泰喷织厂 | Oil injection structure of sewing machine head |
| CN105200681A (en) * | 2015-10-23 | 2015-12-30 | 拓卡奔马机电科技有限公司 | Presser foot lift shaft oil storage lubrication structure |
| CN107044000A (en) * | 2017-06-19 | 2017-08-15 | 阜宁县鑫虎机械有限公司 | A kind of button-sewing machine of anti-sticking pin |
-
2011
- 2011-09-30 CN CN2011102924265A patent/CN102337647A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720006A (en) * | 2012-06-26 | 2012-10-10 | 吴江市隆泰喷织厂 | Needle bar sleeve for needle bar of sewing machine |
| CN102720005A (en) * | 2012-06-26 | 2012-10-10 | 吴江市隆泰喷织厂 | Lubricating structure of sewing machine needle bar sleeve |
| CN102720014A (en) * | 2012-06-26 | 2012-10-10 | 吴江市隆泰喷织厂 | Oil storage tank of handpiece of sewing machine |
| CN102839503A (en) * | 2012-09-13 | 2012-12-26 | 吴江市隆泰喷织厂 | Oil injection structure of sewing machine head |
| CN105200681A (en) * | 2015-10-23 | 2015-12-30 | 拓卡奔马机电科技有限公司 | Presser foot lift shaft oil storage lubrication structure |
| CN107044000A (en) * | 2017-06-19 | 2017-08-15 | 阜宁县鑫虎机械有限公司 | A kind of button-sewing machine of anti-sticking pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20120201 |