CN103938376B - Oil return device for oil receiver - Google Patents
Oil return device for oil receiver Download PDFInfo
- Publication number
- CN103938376B CN103938376B CN201410116175.9A CN201410116175A CN103938376B CN 103938376 B CN103938376 B CN 103938376B CN 201410116175 A CN201410116175 A CN 201410116175A CN 103938376 B CN103938376 B CN 103938376B
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- Prior art keywords
- oil
- plunger
- oil return
- food tray
- lower axle
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Abstract
The invention belongs to the technical field of sewing machines and particularly relates to an oil return device for an oil receiver. The oil return device comprises a bottom plate, the oil receiver, a lower shaft rear sleeve and a lower shaft, wherein the lower shaft is provided with an eccentric section arranged in the lower shaft rear sleeve, a plunger hole, an oil outlet and an oil return hole are formed in the lower shaft rear sleeve radially, a plunger is arranged in the plunger hole, the inner end of the plunger is in contact connection with the eccentric section, and the outer end of the plunger is connected with an elastic plug. The lower shaft rotates, the eccentric section drives the plunger to perform reciprocating motion in the plunger hole to form a plunger pump structure, an oil return pipe is connected with the oil return hole, the other end of the oil return pipe is arranged in the oil receiver, and an oil pipe for draining oil in the oil receiver to an oil box is connected with the oil outlet. Oil in the oil receiver is sent into the oil box through a plunger pump, accumulation of oil in the oil receiver is avoided, reoiling frequency is decreased, the utilization rate of lubricating oil is increased, and a filtering element can filter out impurities in the oil in the oil receiver.
Description
Technical field：
The invention belongs to sewing machine technique field, refers in particular to a kind of food tray oil return apparatus.
Background technology：
Sewing machine needs in the course of the work substantial amounts of lubricating oil to be lubricated each mechanism, it is ensured that each mechanism is smooth
Operation.After sewing machine operation, part oil is had as head drops down.The base plate lower section of flat seam machine is provided with food tray use
To catch these oil.During these oil recyclings, need to dismantle on food tray, recovery of oil is operated very inconvenient.
The content of the invention：
It is an object of the invention to provide a kind of can automatic oil return recycles lubricating oil, ensureing will not long-pending oil in the oil pan
Food tray oil return apparatus.
What the present invention was realized in：
A kind of food tray oil return apparatus, include base plate, food tray, lower axle rear enclosure and lower axle, are provided with described lower axle partially
Heart section, eccentric segment is a part for lower axle, and eccentric segment is arranged in lower axle rear enclosure, and in lower axle rear enclosure plunger has been radially arranged
Hole, oil outlet and spill port, are provided with plunger in plunger hole, the inner of plunger is connected with eccentric segment contact, outer end is connected with bullet
Property plug, lower axle rotates, and eccentric segment drives plunger to move back and forth in plunger hole and form plunger pump structure, is connected with spill port
Oil return pipe, the other end of oil return pipe is arranged in the oil pan, and the oil pipe drained into the oil in food tray in oil box is connected with oil outlet.
The other end of above-mentioned oil return pipe is arranged in the storage oil pit of food tray, stores the lowest point that oil pit is located at food tray.It is described
Connected by inclined-plane between the outer edge and storage oil pit of food tray baseplane, and inclined-plane is located at and stores oil pit end for low side.
The other end of above-mentioned oil return pipe is provided with filtration core, and the other end and filtration core of oil return pipe are arranged in cotton felt.
Above-mentioned elastic plug is：Spring and the baffle plate of lower axle rear enclosure side is arranged on, one end of spring is arranged on plunger
The upper, other end stretches out plunger hole and holds out against on baffle plate；Or spring and plug screw, plug screw is screwed onto the plunger hole in lower axle rear enclosure
Outer end, the two ends of spring hold out against respectively plunger and plug screw.
One end of above-mentioned baffle plate is fixed on base plate, the other end is vacantly arranged on the side of lower axle rear enclosure.
Above-mentioned oil return pipe is connected by the back leakage connection being arranged on spill port with spill port.
The limited block for preventing oil return pipe positioning is provided with the interior baseplane of above-mentioned food tray.
Present invention advantage prominent compared to existing technology is：
1st, the oil in food tray is delivered to and be circulated in oil box utilization by the present invention by plunger displacement pump, it is ensured that will not be in the oil pan
Long-pending oil, reduces the frequency refueled, and improves the utilization rate of lubricating oil；
2nd, filtration core of the present invention may filter that the impurity in the oil in food tray, it is ensured that return to the oil in oil box have it is certain
Cleannes, it is to avoid cause parts depreciation, machine operation the defect such as to have some setbacks because of impurity.
Description of the drawings：
Fig. 1 is the cross-sectional view of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the schematic perspective view of the present invention.
Specific embodiment：
Below with specific embodiment, the invention will be further described, referring to Fig. 1-3：
A kind of food tray oil return apparatus, include base plate 1, food tray 2, lower axle rear enclosure 3 and lower axle 4, arrange in described lower axle 4
There is eccentric segment 5, eccentric segment 5 is a part for lower axle, and eccentric segment 5 is arranged in lower axle rear enclosure 3, radially sets in lower axle rear enclosure 3
It is equipped with plunger hole 6, oil outlet 7 and spill port 8, plunger hole 6 and is provided with plunger 9, the inner and the company of contact of eccentric segment 5 of plunger 9
Connect, outer end connects flexible plug, lower axle 4 is rotated, eccentric segment 5 drives plunger 9 to move back and forth in plunger hole 6 and forms plunger displacement pump
Structure, is connected with oil return pipe 10 on spill port 8, the other end of oil return pipe 10 is arranged in food tray 2, be connected with oil outlet 7 by
Oil in food tray 2 drains into the oil pipe 12 in oil box 11.
The other end of above-mentioned oil return pipe 10 is arranged in the storage oil pit 13 of food tray 2, is stored oil pit 13 and is located at the minimum of food tray 2
Place.Connected by inclined-plane between the outer edge and storage oil pit 13 of the baseplane of the food tray 2, and it is low that inclined-plane is located at storage oil pit 13 end
End.
The other end of above-mentioned oil return pipe 10 is provided with filtration core 14, and the other end and filtration core 14 of oil return pipe 10 are arranged on
In cotton felt 15.
Above-mentioned elastic plug is：Spring 16 and the baffle plate 17 of the side of lower axle rear enclosure 3 is arranged on, one end of spring 16 is arranged
On plunger 9, the other end stretches out plunger hole 6 and holds out against on baffle plate 17；Or spring 16 and plug screw, plug screw is screwed onto lower axle rear enclosure
The outer end of the plunger hole 6 on 3, the two ends of spring 16 hold out against respectively plunger 9 and plug screw.
One end of above-mentioned baffle plate 17 is fixed on base plate 1, the other end is vacantly arranged on the side of lower axle rear enclosure 3.
Above-mentioned oil return pipe 10 is connected by the back leakage connection 18 being arranged on spill port 8 with spill port 8.
Being provided with the interior baseplane of above-mentioned food tray 2 prevents the limited block 19 of the positioning of oil return pipe 10.
The operation principle of the present invention：
When sewing machine works, lower axle 4 is rotated, and eccentric segment 5 thereon is with the plunger 9 that press against by spring 16 in lower axle rear enclosure
Cycle piston movement is done in 3 plunger hole 6, plunger pump structure is constituted.The plunger pump device from oil suction at back leakage connection 18, by oil
It is discharged in oil box 11 from the oil outlet 7 of lower axle rear enclosure 3.Oil return pipe 10, by the oil suction of filtration core 14, is realized from food tray from food tray 2
The effect of oil suction in 2.
Above-described embodiment is only one of presently preferred embodiments of the present invention, not limits the practical range of the present invention with this, therefore：
The equivalence changes that all shapes under this invention, structure, principle are done, all should be covered by within protection scope of the present invention.
Claims (6)
1. a kind of food tray oil return apparatus, include base plate, food tray, lower axle rear enclosure and lower axle, it is characterised in that：In described lower axle
Eccentric segment is provided with, eccentric segment is a part for lower axle, and eccentric segment is arranged in lower axle rear enclosure, is radially arranged in lower axle rear enclosure
There are plunger hole, oil outlet and spill port, be provided with plunger in plunger hole, the inner of plunger be connected with eccentric segment contact, outer end company
Elastic plug is connected to, lower axle is rotated, eccentric segment drives plunger to move back and forth in plunger hole and forms plunger pump structure, on spill port
Oil return pipe is connected with, the other end of oil return pipe arranges in the oil pan, is connected with oil outlet and the oil in food tray drained in oil box
Oil pipe；
The other end of the oil return pipe is arranged in the storage oil pit of food tray, stores the lowest point that oil pit is located at food tray；
Connected by inclined-plane between the outer edge and storage oil pit of the food tray baseplane, and inclined-plane is located at and stores oil pit end for low side.
2. a kind of food tray oil return apparatus according to claim 1, it is characterised in that：The other end of described oil return pipe is arranged
The other end and filtration core for having filtration core, oil return pipe is arranged in cotton felt.
3. a kind of food tray oil return apparatus according to claim 1, it is characterised in that：Described elastic plug is：Spring and
It is arranged on the baffle plate of lower axle rear enclosure side, one end of spring is arranged on plunger, the other end stretches out plunger hole and holds out against on baffle plate；
Or spring and plug screw, plug screw is screwed onto the outer end of the plunger hole in lower axle rear enclosure, and the two ends of spring hold out against respectively plunger and spiral shell
Plug.
4. a kind of food tray oil return apparatus according to claim 3, it is characterised in that：One end of described baffle plate is fixed on bottom
On plate, the other end be vacantly arranged on the side of lower axle rear enclosure.
5. a kind of food tray oil return apparatus according to claim 1, it is characterised in that：Described oil return pipe is by being arranged on back
Back leakage connection on oilhole is connected with spill port.
6. a kind of food tray oil return apparatus according to claim 1, it is characterised in that：Set on the interior baseplane of described food tray
Being equipped with prevents the limited block of oil return pipe positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116175.9A CN103938376B (en) | 2014-03-26 | 2014-03-26 | Oil return device for oil receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116175.9A CN103938376B (en) | 2014-03-26 | 2014-03-26 | Oil return device for oil receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103938376A CN103938376A (en) | 2014-07-23 |
| CN103938376B true CN103938376B (en) | 2017-05-17 |
Family
ID=51186237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410116175.9A Active CN103938376B (en) | 2014-03-26 | 2014-03-26 | Oil return device for oil receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103938376B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460658B (en) * | 2017-08-28 | 2020-05-05 | 杰克缝纫机股份有限公司 | External oil return structure of sewing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931521Y (en) * | 2006-06-27 | 2007-08-08 | 黄华场 | High-head sewing machine lubricating system |
| CN201043236Y (en) * | 2007-04-16 | 2008-04-02 | 中捷缝纫机股份有限公司 | Scavenging mechanism of sewing machine with rotating shuttle |
| CN103556409A (en) * | 2013-11-08 | 2014-02-05 | 浙江中森缝纫机有限公司 | Special arm type hemming sewing machine with automatic oil supply system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394914A (en) * | 1933-02-11 | 1933-07-06 | Singer Mfg Co | Lubricating devices for sewing machines |
| CN2148083Y (en) * | 1992-08-22 | 1993-12-01 | 中国标准缝纫机公司陕西缝纫机厂 | Oil suction and supply device for sewing machine |
| CN2148084Y (en) * | 1992-11-09 | 1993-12-01 | 中国标准缝纫机公司陕西缝纫机厂 | Oil Suction and supply device for sewing machine |
| CN2194920Y (en) * | 1993-05-05 | 1995-04-19 | 中国标准缝纫机公司 | Oil Suction Supply Device for Plain Sewing Machine |
| JPH08196771A (en) * | 1995-01-20 | 1996-08-06 | Brother Ind Ltd | Lubrication mechanism for sewing machine |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| JP2012135418A (en) * | 2010-12-27 | 2012-07-19 | Brother Ind Ltd | Sewing machine |
-
2014
- 2014-03-26 CN CN201410116175.9A patent/CN103938376B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931521Y (en) * | 2006-06-27 | 2007-08-08 | 黄华场 | High-head sewing machine lubricating system |
| CN201043236Y (en) * | 2007-04-16 | 2008-04-02 | 中捷缝纫机股份有限公司 | Scavenging mechanism of sewing machine with rotating shuttle |
| CN103556409A (en) * | 2013-11-08 | 2014-02-05 | 浙江中森缝纫机有限公司 | Special arm type hemming sewing machine with automatic oil supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103938376A (en) | 2014-07-23 |
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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. |
|
| GR01 | Patent grant | ||
| 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 |