CN103938376A - Oil return device for oil receiver - Google Patents
Oil return device for oil receiver Download PDFInfo
- Publication number
- CN103938376A CN103938376A CN201410116175.9A CN201410116175A CN103938376A CN 103938376 A CN103938376 A CN 103938376A CN 201410116175 A CN201410116175 A CN 201410116175A CN 103938376 A CN103938376 A CN 103938376A
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- China
- Prior art keywords
- oil
- plunger
- oil return
- lower shaft
- food tray
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- Sewing Machines And Sewing (AREA)
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, refer in particular to a kind of food tray oil return apparatus.
Background technology:
Sewing machines needs a large amount of lubricating oil to be lubricated each mechanism in the course of the work, guarantees that each mechanism moves smoothly.After Sewing machines operation, have part oil along with head drips.The base plate below of flat seam machine is provided with food tray and is used for catching these oil.When these oil recyclings, food tray need to be dismantled, oil is reclaimed, operate very inconvenient.
Summary of the invention:
The object of this invention is to provide a kind of can automatic oil return recycle lubricating oil, ensure can in food tray, not amass oily food tray oil return apparatus.
The present invention is achieved in that
A kind of food tray oil return apparatus, include base plate, food tray, cover and lower shaft after lower shaft, on described lower shaft, be provided with eccentric segment, eccentric segment is arranged on after lower shaft in cover, after lower shaft, put and be radially provided with plunger hole, oil outlet and spill port, in plunger hole, be provided with plunger, the inner of plunger is connected with eccentric segment contact, outer end is connected with elasticity plug, lower shaft rotates, eccentric segment drives plunger reciprocating motion in plunger hole to form plunger pump structure, on spill port, be connected with oil return pipe, the other end of oil return pipe is arranged in food tray, on oil outlet, be connected with the oil in food tray is drained into the oil pipe in oil box.
The other end of above-mentioned oil return pipe is arranged on holding in oil hole of food tray.
The other end of above-mentioned oil return pipe was provided with filter core, and the other end of oil return pipe and excessively filter core are arranged in cotton felt.
Above-mentioned elasticity plug is: spring and be arranged on lower shaft after overlap the baffle plate of a 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 putting after lower shaft, and 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 unsettled side of overlapping after lower shaft that is arranged on of the other end.
Above-mentioned oil return pipe is connected with spill port by the back leakage connection being arranged on spill port.
On the interior baseplane of above-mentioned food tray, be provided with the limited block that prevents oil return pipe positioning.
The advantage that the present invention gives prominence to is compared to existing technology:
1, the present invention is delivered to the oil in food tray in oil box and carries out recycle by plunger displacement pump, ensures can in food tray, not amass oil, reduces the frequency of refueling, and improves the utilization rate of lubricating oil;
2, the present invention crosses filter core and can filter out the impurity in the oil in food tray, and the oil of guaranteeing to get back in oil box has certain cleannes, avoids causing the defects such as parts depreciation, machine operation have some setbacks because of impurity.
Brief description of the drawings:
Fig. 1 is cross-sectional view of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is schematic perspective view of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, referring to Fig. 1-3:
A kind of food tray oil return apparatus, include base plate 1, food tray 2, after lower shaft, overlap 3 and lower shaft 4, on described lower shaft 4, be provided with eccentric segment 5, eccentric segment 5 overlaps in 3 after being arranged on lower shaft, after lower shaft, overlap and on 3, be radially provided with plunger hole 6, oil outlet 7 and spill port 8, in plunger hole 6, be provided with plunger 9, the inner of plunger 9 is connected with eccentric segment 5 contacts, outer end is connected with elasticity plug, lower shaft 4 rotates, eccentric segment 5 drives plunger 9 to form plunger pump structure in the interior reciprocating motion of plunger hole 6, on spill port 8, be connected with oil return pipe 10, the other end of oil return pipe 10 is arranged in food tray 2, on oil outlet 7, be connected with the oil in food tray 2 is drained into the oil pipe 12 in oil box 11.
The other end of above-mentioned oil return pipe 10 is arranged on holding in oil hole 13 of food tray 2.
The other end of above-mentioned oil return pipe 10 was provided with filter core 14, and the other end of oil return pipe 10 and excessively filter core 14 are arranged in cotton felt 15.
Above-mentioned elasticity plug is: spring 16 and be arranged on lower shaft after overlap the baffle plate 17 of 3 one sides, 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 the outer end of overlapping the plunger hole 6 on 3 after lower shaft, and 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 unsettled side of overlapping 3 after lower shaft that is arranged on of the other end.
Above-mentioned oil return pipe 10 is connected with spill port 8 by the back leakage connection 18 being arranged on spill port 8.
On the interior baseplane of above-mentioned food tray 2, be provided with the limited block 19 that prevents oil return pipe 10 positionings.
Operation principle of the present invention:
In Sewing machines when work,, lower shaft 4 rotates, and the eccentric segment 5 on it overlaps after lower shaft with the plunger 9 of being pressed by spring 16 in 3 plunger hole 6 and does cycle piston movement, composition plunger pump structure.This plunger pump device is from back leakage connection 18 oil suctions, oil overlapped from lower shaft to 3 oil outlet 7 and is discharged in oil box 11.Oil return pipe 10 passed through filter core 14 oil suctions from food tray 2, realized the effect of oil suction from food tray 2.
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)
1. a food tray oil return apparatus, include base plate, food tray, cover and lower shaft after lower shaft, it is characterized in that: on described lower shaft, be provided with eccentric segment, eccentric segment is arranged on after lower shaft in cover, after lower shaft, put and be radially provided with plunger hole, oil outlet and spill port, in plunger hole, be provided with plunger, the inner of plunger is connected with eccentric segment contact, outer end is connected with elasticity plug, lower shaft rotates, eccentric segment drives plunger reciprocating motion in plunger hole to form plunger pump structure, on spill port, be connected with oil return pipe, the other end of oil return pipe is arranged in food tray, on oil outlet, be connected with the oil in food tray is drained into the oil pipe in oil box.
2. a kind of food tray oil return apparatus according to claim 1, is characterized in that: the other end of described oil return pipe is arranged on holding in oil hole of food tray.
3. a kind of food tray oil return apparatus according to claim 2, is characterized in that: the other end of described oil return pipe was provided with filter core, and the other end of oil return pipe and excessively filter core are arranged in cotton felt.
4. a kind of food tray oil return apparatus according to claim 1, is characterized in that: described elasticity plug is: spring and be arranged on lower shaft after overlap the baffle plate of a 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 putting after lower shaft, and the two ends of spring hold out against respectively plunger and plug screw.
5. a kind of food tray oil return apparatus according to claim 4, is characterized in that: one end of described baffle plate is fixed on base plate, the unsettled side of overlapping after lower shaft that is arranged on of the other end.
6. a kind of food tray oil return apparatus according to claim 1, is characterized in that: described oil return pipe is connected with spill port by the back leakage connection being arranged on spill port.
7. a kind of food tray oil return apparatus according to claim 1, is characterized in that: on the interior baseplane of described food tray, be provided with the limited block that prevents 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 true CN103938376A (en) | 2014-07-23 |
| CN103938376B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460658A (en) * | 2017-08-28 | 2017-12-12 | 杰克缝纫机股份有限公司 | The external oil-returning structure of sewing machine |
Citations (10)
| 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 |
| 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 |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| CN202466159U (en) * | 2010-12-27 | 2012-10-03 | 兄弟工业株式会社 | Sewing machine |
| 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 |
-
2014
- 2014-03-26 CN CN201410116175.9A patent/CN103938376B/en active Active
Patent Citations (10)
| 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 |
| 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 |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| CN202466159U (en) * | 2010-12-27 | 2012-10-03 | 兄弟工业株式会社 | Sewing machine |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460658A (en) * | 2017-08-28 | 2017-12-12 | 杰克缝纫机股份有限公司 | The external oil-returning structure of sewing machine |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103938376B (en) | 2017-05-17 |
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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. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: NEW JACK SEWING MACHINE CO., LTD. TO: JACK SEWING CO., LTD. |
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| GR01 | Patent grant | ||
| 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. |