CN108193394A - A kind of sewing machine - Google Patents
A kind of sewing machine Download PDFInfo
- Publication number
- CN108193394A CN108193394A CN201810083696.7A CN201810083696A CN108193394A CN 108193394 A CN108193394 A CN 108193394A CN 201810083696 A CN201810083696 A CN 201810083696A CN 108193394 A CN108193394 A CN 108193394A
- Authority
- CN
- China
- Prior art keywords
- plunger
- oil
- pump
- oil pump
- eccentric part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
- D05B71/02—Loop-taker lubricating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Rotary Pumps (AREA)
Abstract
The invention belongs to sewing device technical fields, refer in particular to a kind of sewing machine；It is provided in oil pump body by the oil pump shaft of vertical pivot driving rotation, oil pump body includes plunges pump body and the blade pump housing, the first eccentric part and the second eccentric part are provided on the oil pump shaft, first eccentric part is located in plunges pump body, second eccentric part is located in vane pump body, first plunger is acted on the first eccentric part, second plunger is acted in the second bias, the lower end of oil pump shaft is provided with impeller, impeller is located in the impeller cavity of the blade pump housing, supporting plate is disposed in the lower end of the blade pump housing, oil pump cover, inlet port is provided on the oil pump cover, the first oil supplying hole is provided on the plunges pump body, the second oil supplying hole is provided on the blade pump housing and the oil return hole of oil return is carried out to head head；The present invention is equivalent to plunger pump and is carried out at the same time fuel feeding with vane pump, can meet the needs of high low speed fuel feeding simultaneously, ensures that sewing machine will not be because of without fuel feeding and stuck in the case of the slow-speed of revolution or intermittent movement.
Description
Technical field：
The invention belongs to sewing device technical fields, and machine can be met in the slow-speed of revolution or intermittent movement feelings by refering in particular to one kind
The sewing machine of fuel feeding demand under condition.
Background technology：
Flat seam machine is in use at present, it may appear that the technique for stitching short-movie, sewing machine at this time are in a kind of single seam
Threading, the time is short, and the working condition more than unit interval work times belongs to intermittent exercise, sewing machine can be caused to be chronically in this way
A kind of state of intermittence fuel feeding.Work is carried out in addition, going back some sewing tech and sewing machine can be made to be chronically under low speed state
Make, sewing machine can also be in the state of slow-speed of revolution fuel feeding at this time.
The oil pump that sewing machine uses at present is generally vane pump, due to there is sealing between blade and oil pump cover, supporting plate
Structure when oil pump is stopped, is lubricated by can rapidly be flowed out out of oil pump, and vane pump is made by inertia at work
With the effect for generating suction, in the case where rotating speed reduces, the supply capability of oil pump can substantially reduce.Therefore, it is normally sewing
When fuel delivery disclosure satisfy that requirement, but when sewing machine carries out an other sewing tech, sewing machine may be made
In the case of interrupted oil supply, low speed fuel feeding or some other fuel feeding, so as to cause oil pump feed is insufficient and makes machine for a long time
In no oil condition, machine is made phenomena such as abrasion, stuck occur, influences product quality and service life.
Invention content：
The object of the present invention is to provide a kind of machine that can meet in the slow-speed of revolution or the fuel feeding need of intermittent movement
The sewing machine asked.
The invention is realized in this way：
A kind of sewing machine including oil pump body, is provided in oil pump body by the oil pump shaft of vertical pivot driving rotation, the oil pump
Body includes plunges pump body and the blade pump housing, and the oil pump shaft is eccentric shaft, and the first eccentric part and second are provided on oil pump shaft
Eccentric part, the first eccentric part are located in plunges pump body, and the second eccentric part is located in vane pump body, be provided on plunges pump body with
The corresponding plunger hole of first eccentric part, is provided with the first plunger in the plunger hole, is provided on the blade pump housing with second partially
The corresponding plunger hole of center portion, is provided with the second plunger in the plunger hole, and the first plunger, the second plunger are respectively acting on oil pump shaft
On upper corresponding first eccentric part, the second eccentric part, the lower end of oil pump shaft is provided with impeller, and impeller is located at the impeller of the blade pump housing
Intracavitary is disposed with supporting plate, oil pump cover in the lower end of the blade pump housing, is provided with inlet port on the oil pump cover, and described first
Plunger, the first eccentric part, plunges pump body form plunger pump, are provided with the first oil supplying hole on the plunges pump body, on the blade pump housing
It is provided with the second oil supplying hole and the oil return hole of oil return is carried out to head head.
In a kind of above-mentioned sewing machine, the oil pump outer shaft sleeve is equipped with bushing, is provided on bushing for the second plunger
The plunger passed through passes through hole.
In a kind of above-mentioned sewing machine, first eccentric part, the second eccentric part are to be symmetrical arranged on oil pump shaft
There are two arc groove, the radius of arc groove is more than the radius of oil pump shaft, one end effect of first plunger, the second plunger
In on the bottom arcwall face of corresponding arc groove.
In a kind of above-mentioned sewing machine, it is radially provided with the first pillar on the plunges pump body, on the blade pump housing radially
It is provided with the second pillar, plunger hole is arranged on the first pillar, in the second pillar, and the first plunger passes through the first plunger spring, the first column
Plug screw is arranged in plunger hole, and the second plunger is arranged on by the second plunger spring and the second plunger screw in plunger hole.
In a kind of above-mentioned sewing machine, the oil pump that oil pump body is arranged on bottom plate is provided on the oil pump body and is installed
Plate.
In a kind of above-mentioned sewing machine, first oil supplying hole carries out fuel feeding by fuel feed pump to set in upper axis.
In a kind of above-mentioned sewing machine, third oil supplying hole is additionally provided on the blade pump housing, is connected on third oil supplying hole
Lower axle rear enclosure fuel feed pump is connected to, lower axle rear enclosure fuel feed pump is connected on oil pump installing plate.
In a kind of above-mentioned sewing machine, second oil supplying hole by oil connection connect respectively to set in upper axis and under
Axis protheca fuel feeding.
In a kind of above-mentioned sewing machine, the plunges pump body is an integral molding structure with the blade pump housing.
The present invention compared with prior art protrude the advantages of be：
1st, the present invention is equivalent to plunger pump and vane pump is carried out at the same time fuel feeding, can meet the need of high low speed fuel feeding simultaneously
Ask, in the case of the slow-speed of revolution or intermittent movement, can also carry out fuel feeding, ensure sewing machine will not because of stuck without fuel feeding,
Improve the quality and service life of sewing machine.
2nd, the oil mass of plunger oil pump feed of the invention is little, in the case that high-revolving, will not generate the excessive feelings of oil mass
Condition is not in oil leakage phenomenon, ensures that sewing work orderly carries out.
3rd, the present invention increases plunger on the basis of original vane pump and forms plunger pump, to the structural modification of former vane pump
It is few, it occupies little space, is easy to promote and apply on each sewing machine.
Description of the drawings：
Fig. 1 is the exploded perspective view of the present invention；
Fig. 2 is the schematic diagram of the present invention；
Fig. 3 is one of usage state diagram of the present invention；
Fig. 4 is the two of the usage state diagram of the present invention；
Fig. 5 is the schematic diagram of the oil pump shaft of the present invention；
Fig. 6 is the schematic diagram of the supporting plate of the present invention；
Fig. 7 is the schematic diagram of the impeller of the present invention.
In figure：1st, vertical pivot；2nd, oil pump shaft；3rd, plunges pump body；4th, the blade pump housing；5th, the first eccentric part；6th, second is eccentric
Portion；7th, the first plunger；8th, the second plunger；9th, impeller；10th, supporting plate；11st, oil pump cover；12nd, inlet port；13rd, the first oil supplying hole；14、
Second oil supplying hole；15th, oil return hole；16th, bushing；17th, plunger passes through hole；18th, the first pillar；19th, the second pillar；20th, the first column
Fill in spring；21st, the first plunger screw；22nd, the second plunger screw；23rd, oil pump installing plate；24th, it is covered in upper axis；25th, lower axle rear enclosure supplies
Oil pipe；26th, oil connection；27th, lower axle protheca；28th, lower axle.
Specific embodiment：
With specific embodiment, the invention will be further described below, referring to Fig. 1-7：
A kind of sewing machine including oil pump body, is provided with the oil pump shaft 2 that rotation is driven by vertical pivot 1 in oil pump body, described
Oil pump body includes plunges pump body 3 and the impeller pump housing 4, and plunges pump body 3 is an integral molding structure with 9 pump housing 4 of impeller.The oil pump shaft
2 be eccentric shaft, and the first eccentric part 5 and the second eccentric part 6 are provided on oil pump shaft 2, and the first eccentric part 5 is located at plunges pump body 3
Interior, the second eccentric part 6 is located in the blade pump housing 4, be provided on plunges pump body 3 with 5 corresponding plunger hole of the first eccentric part,
The first plunger 7 is provided in the plunger hole, be provided on the blade pump housing 4 with 6 corresponding plunger hole of the second eccentric part, in the column
The second plunger 8 is provided in consent, the first plunger 7, the second plunger 8 are respectively acting on corresponding first eccentric part on oil pump shaft 2
5th, on the second eccentric part 6, the lower end of oil pump shaft 2 is provided with impeller 9, and impeller 9 is with there is pump shaft 2 to be an integral structure or pass through
Fastener connects into integrally-built split structure.Impeller 9 is located in the impeller cavity of the blade pump housing 4, under the blade pump housing 4
End is disposed with supporting plate 10, oil pump cover 11, and inlet port 12 is provided on the oil pump cover 11, and first plunger 7, first is inclined
Center portion 5, plunges pump body 3 form plunger pump, and second plunger 8, the blade pump housing 4, impeller, supporting plate 10, oil pump cover 11 form leaf
Piece pumps.The first oil supplying hole 13 is provided on the plunges pump body 3, the second oil supplying hole 14 is provided on the blade pump housing 4 and to head
Head carries out the oil return hole 15 of oil return.
Further, bushing 16 is arranged with outside the oil pump shaft 2, the column passed through for the second plunger 8 is provided in bushing 16
It fills in across hole 17.
First eccentric part 5 of the present invention, the second eccentric part 6 are to be symmetrical arranged that there are two arcs on oil pump shaft 2
Groove, the radius of arc groove are more than the radius of oil pump shaft 2, first plunger 7, the second plunger 8 one end act on accordingly
Arc groove bottom arcwall face on.
Further, the first pillar 18 is radially provided on the plunges pump body 3, is radially provided on the blade pump housing 4
Two pillars 19, plunger hole are arranged on the first pillar 18, in the second pillar 19, and the first plunger 7 passes through the first plunger spring 20, first
Plunger screw 21 is arranged in plunger hole, and the second plunger 8 is arranged on plunger hole by the second plunger spring and the second plunger screw 22
It is interior.
In order to facilitate fixed oil pump, oil pump installing plate oil pump body being arranged on bottom plate is provided on the oil pump body
23。
Specifically, first oil supplying hole 13 carries out fuel feeding by fuel feed pump to set 24 in upper axis.On the blade pump housing 4
Third oil supplying hole is additionally provided with, lower axle rear enclosure fuel feed pump 25 is connected on third oil supplying hole, lower axle rear enclosure fuel feed pump 25 is connected to
On oil pump installing plate 23.Second oil supplying hole 14 is connected respectively by oil connection 26 to set 24 and lower axle protheca in upper axis
27 fuel feeding.
It is connected by the connection mode of keyway or is set in the lower end of vertical pivot 1 between vertical pivot 1 and oil pump shaft 2 of the present invention
The plug division in "-" type is equipped with, the slot with the matched "-" type in the plug division of "-" type is provided in the upper end of oil pump shaft 2,
Vertical pivot 1 is plugged in slot by plug division and is connect with oil pump shaft 2；Or it is connect by splined shaft with splined hole.
The quantity of the blade of the impeller 9 of the present invention is set according to actual conditions.Such as：In order to improve fuel feeding effect, increase and supply
Oily efficiency, the blade of impeller 9 of the present invention can set seven.
The operation principle of the present invention：
When machine runs well, lower axle 28 starts to rotate, and vertical axis is driven, so as to which oil pump shaft 2, impeller 9 be driven to carry out
Rotation.The first eccentric part 5, the second eccentric part 6 on oil pump shaft 2 generate interaction with the first plunger 7, the second plunger 8 respectively.
That is plunger pump, vane pump are carried out at the same time work.First plunger 7 and the first eccentric part 5 interact (i.e. plunger pump work
Make), oil pump is made to cover 24 progress fuel feeding from 13 upward axis of the first oil supplying hole；Second plunger 8 interacts with the second eccentric part 6
(i.e. blade pump work), make oil pump from oil return hole 15 carry out head oil return, meanwhile, impeller 9 rotation generate vane pump effect to
Upper fuel feeding carries out fuel feeding, and third oil supplying hole is to lower axle to set 24, lower axle protheca 27 in upper axis respectively by the second oil supplying hole 14
Rear enclosure fuel feeding.
The present invention is carried out at the same time fuel feeding, while meet the requirement of high low speed fuel feeding by plunger pump and vane pump.It is sewing
In the case of the machine slow-speed of revolution or intermittent movement, can fuel feeding be carried out to set in upper axis by plunger pump, it is ensured that sewing machine will not be because
It is stuck for no fuel feeding.
Above-described embodiment is only one of presently preferred embodiments of the present invention, and but not intended to limit the scope of the present invention, therefore：
The equivalence changes that all shapes under this invention, structure, principle are done, should all be covered by within protection scope of the present invention.
Claims (9)
1. a kind of sewing machine including oil pump body, is provided in oil pump body by the oil pump shaft (2) of vertical pivot (1) driving rotation, special
Sign is：The oil pump body includes plunges pump body (3) and the blade pump housing (4), and the oil pump shaft (2) is eccentric shaft, in oil pump shaft
On be provided with the first eccentric part (5) and the second eccentric part (6), for the first eccentric part (5) in plunges pump body (3), second is eccentric
Portion (6) is provided with plunger hole corresponding with the first eccentric part (5), at this in the blade pump housing (4) on plunges pump body (3)
The first plunger (7) is provided in plunger hole, plunger hole corresponding with the second eccentric part (6) is provided on the blade pump housing (4),
The second plunger (8) is provided in the plunger hole, the first plunger (7), the second plunger (8) are respectively acting on oil pump shaft (2) corresponding
The first eccentric part (5), on the second eccentric part (6), the lower end of oil pump shaft (2) is provided with impeller (9), and impeller (9) is positioned at blade
In the impeller cavity of the pump housing (4), supporting plate (10), oil pump cover (11), the oil pump cover are disposed in the lower end of the blade pump housing (4)
(11) inlet port (12) is provided on, first plunger (7), the first eccentric part (5), plunges pump body (3) form plunger pump, institute
It states and the first oil supplying hole (13) is provided on plunges pump body (3), the second oil supplying hole (14) is provided on the blade pump housing (4) and to head
Head carries out the oil return hole (15) of oil return.
2. a kind of sewing machine according to claim 1, it is characterised in that：Bushing (16) is arranged with outside the oil pump shaft (2),
The plunger passed through for the second plunger (4) is provided on bushing (16) and passes through hole (17).
3. a kind of sewing machine according to claim 1 or 2, it is characterised in that：First eccentric part (5), the second bias
Portion (6) is to be symmetrical arranged on oil pump shaft (2) there are two arc groove, and the radius of arc groove is more than the half of oil pump shaft (2)
Diameter, first plunger (7), the second plunger (8) one end act on the bottom arcwall face of corresponding arc groove.
4. a kind of sewing machine according to claim 1, it is characterised in that：Is radially provided on the plunges pump body (3)
One pillar (18) is radially provided with the second pillar (19) on the blade pump housing (4), and plunger hole is arranged on the first pillar (18), second
In pillar (19), the first plunger (7) is arranged on by the first plunger spring (20), the first plunger screw (21) in plunger hole, and second
Plunger (8) is arranged on by the second plunger spring and the second plunger screw (22) in plunger hole.
5. a kind of sewing machine according to claim 1, it is characterised in that：It is provided on the oil pump body and oil pump body is set
Oil pump installing plate (23) on bottom plate.
6. a kind of sewing machine according to claim 1, it is characterised in that：First oil supplying hole (13) is given by fuel feed pump
(24) are covered in upper axis and carry out fuel feeding.
7. a kind of sewing machine according to claim 5, it is characterised in that：Third is additionally provided on the blade pump housing (4)
Oil supplying hole, lower axle rear enclosure fuel feed pump (25) is connected on third oil supplying hole, and lower axle rear enclosure fuel feed pump (25) is connected to oil pump installation
On plate (23).
8. a kind of sewing machine according to claim 1, it is characterised in that：Second oil supplying hole (14) passes through oil connection
(26) connection is respectively to set and lower axle protheca fuel feeding (27) in upper axis.
9. a kind of sewing machine according to claim 1, it is characterised in that：The plunges pump body (3) is with the blade pump housing (4)
Integrated formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083696.7A CN108193394B (en) | 2018-01-29 | 2018-01-29 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083696.7A CN108193394B (en) | 2018-01-29 | 2018-01-29 | Sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108193394A true CN108193394A (en) | 2018-06-22 |
| CN108193394B CN108193394B (en) | 2020-07-28 |
Family
ID=62590924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810083696.7A Active CN108193394B (en) | 2018-01-29 | 2018-01-29 | Sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108193394B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN2583142Y (en) * | 2002-11-03 | 2003-10-29 | 徐云飞 | Blind stitch sewing machine automatic lubricating device |
| CN2846808Y (en) * | 2005-09-29 | 2006-12-13 | 浙江新杰克缝纫机有限公司 | Improved structure for sewing machine oil pump |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| CN202401249U (en) * | 2011-12-27 | 2012-08-29 | 无锡市兴达缝纫机配件有限公司 | Oil pump of sewing machine |
-
2018
- 2018-01-29 CN CN201810083696.7A patent/CN108193394B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN2583142Y (en) * | 2002-11-03 | 2003-10-29 | 徐云飞 | Blind stitch sewing machine automatic lubricating device |
| CN2846808Y (en) * | 2005-09-29 | 2006-12-13 | 浙江新杰克缝纫机有限公司 | Improved structure for sewing machine oil pump |
| JP2009028330A (en) * | 2007-07-27 | 2009-02-12 | Juki Corp | Oiling device for sewing machine |
| CN202401249U (en) * | 2011-12-27 | 2012-08-29 | 无锡市兴达缝纫机配件有限公司 | Oil pump of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108193394B (en) | 2020-07-28 |
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| 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: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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| CP03 | Change of name, title or address |