CN106757854A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN106757854A CN106757854A CN201710154646.9A CN201710154646A CN106757854A CN 106757854 A CN106757854 A CN 106757854A CN 201710154646 A CN201710154646 A CN 201710154646A CN 106757854 A CN106757854 A CN 106757854A
- Authority
- CN
- China
- Prior art keywords
- oil
- axle
- shaft sleeve
- upper axle
- front shaft
- 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.)
- Pending
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 25
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 14
- 239000003921 oil Substances 0.000 description 66
- 239000010687 lubricating oil Substances 0.000 description 22
- 239000003595 mist Substances 0.000 description 15
- 241000219146 Gossypium Species 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of sewing machine, it includes casing, the upper axle being laterally disposed in casing, axle sleeve is arranged with upper axle and casing positioning, axle sleeve includes the front shaft sleeve and the bottom bracket axle in the middle of upper axle positioned at upper axle leading section, there is the oil duct extended along axis in the upper axle, there is the oil inlet that is connected with the oil duct on the upper axle, and connect the oil outlet in the oil duct and the upper axle and front axle inner room gap, there is oil-way on the outer wall of upper axle；Oily cotton is provided with the correspondence oil outlet in the oil duct；Having on front shaft sleeve has oil-recovery tank on axially extending drainback passage, and front shaft sleeve inwall, the oil-recovery tank is connected by spill port with the drainback passage.Sewing machine of the invention its without permeability phenomenon.
Description
Technical field
The present invention relates to sewing machine technique field, more particularly to a kind of sewing machine.
Background technology
Upper axle is positioned in casing by axle sleeve in sewing machine, in order to ensure lubrication of the upper axle when high speed rotates, generally
Can lubrication system be set in axle sleeve.As existing Chinese patent ZL 201220640746.5 discloses a kind of axle sleeve of sewing machine, wrap
Include body, oil-recovery tank offered on the outer wall of body, oilhole is offered along the axial direction of body on the end face of body, oilhole with
Oil-recovery tank is connected.It uses fuel feeding in axle fuel feed pump upward axis vestibule, lubricating oil to pass through in upper axle high-speed rotation
Oilhole on upper axle is flowed into the gap of axle sleeve and upper between centers, then enters oil-recovery tank by the oilhole on axle sleeve, in realizations axle with
The oil-return lubrication of shaft room.But in greasing, easily there is permeability situation, and lubricating oil lubricated in axle sleeve and upper between centers
With upper axle, rotation will run to the rear end of axle sleeve at a high speed in journey, and then can form mist of oil when being sprayed from the afterbody of axle sleeve, and mist of oil exists
Sewing machine head converges to form long-pending oil, and then pollutes sewing.
Accordingly, it would be desirable to a kind of sewing machine produced without permeability and reduction mist of oil.
The content of the invention
The shortcoming of prior art, existing for solving it is an object of the invention to provide a kind of sewing machine in view of the above
There are the easy permeability of sewing machine head and generation mist of oil in technology, pollute the problem of sewing.
In order to achieve the above objects and other related objects, the present invention provides a kind of sewing machine, the sewing machine include casing,
The upper axle in casing is laterally disposed in, axle sleeve is arranged with upper axle and casing positioning, before axle sleeve includes being located at upper axle leading section
There is the oil duct extended along axis in axle sleeve and the bottom bracket axle in the middle of upper axle, the upper axle, have and institute on the upper axle
State the oil inlet that oil duct is connected, and connect the oil outlet in the oil duct and the upper axle and front axle inner room gap, upper axle
There is oil-way on outer wall；Oily cotton is provided with the correspondence oil outlet in the oil duct；Have on front shaft sleeve axially extending
Drainback passage, and there is oil-recovery tank on front shaft sleeve inwall, the oil-recovery tank is connected by spill port with the drainback passage.
Preferably, the oil-way is spiral helicine groove.
Preferably, the oil outlet is arranged on the axial centre corresponding section with the front shaft sleeve on the upper axle.
Preferably, the front end of the front shaft sleeve has the ring oil-recovery tank communicated with the oil-recovery tank.
Preferably, the ring that the rear end of the front shaft sleeve has with the drainback passage and the oil-way are communicated connects
Groove.
Preferably, the rear end of the front shaft sleeve has the upper shaft retaining ring of backstop front shaft sleeve.
Preferably, the fluid sealant on the outer wall of the front shaft sleeve with filling sealed enclosure and the front axle inner room space is used
Glue sealing groove.
As described above, sewing machine of the invention, has the advantages that：Its by setting oily cotton in oil duct, to subtract
Weak lubricating oil enters the flow of oil outlet in the case where upper axle rotates at a high speed because of centrifugal force, enters upper with the lubricating oil that this prevents big flow
Axle and front axle inner room and form mist of oil in both ends, there is the situation of permeability；In addition, setting oil return on front shaft sleeve inwall
Groove, cross-sectional area at oil return is increased with this, reduces oil pressure, can reduce the formation of mist of oil, further avoids permeability.
Brief description of the drawings
Fig. 1 is shown as the partial view of sewing machine of the invention.
Fig. 2 is shown as the partial sectional view of sewing machine of the invention.
Fig. 3 is shown as front shaft sleeve schematic diagram of the invention.
Component label instructions
1 closeouts
Axle on 2
21 oil-ways
22 oil ducts
23 oil outlets
3 front shaft sleeves
31 ring oil-recovery tanks
32 drainback passages
33 spill ports
34 oil-recovery tanks
35 ring connectivity slots
36 glue sealing grooves
4 oily cottons
5 Sealing shield rings
6 fuel feed pumps
7 needle bar cranks
8 casings
9 bottom bracket axles
10 oil pump components
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 understands other advantages of the invention and effect easily.
Refer to Fig. 1 to Fig. 3.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawing etc., are only used to
Coordinate the content disclosed in specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where effect that can be generated of the invention and the purpose to be reached is not influenceed, all should still fall in disclosed skill
In the range of art content to be covered.Meanwhile, in this specification it is cited as " on ", D score, "left", "right", " centre " and
The term of " one " etc., is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness
It is altered or modified, under without essence change technology contents, when being also considered as enforceable category of the invention.
As shown in figure 1, the present invention provides a kind of sewing machine, the sewing machine includes casing 8, is laterally disposed in casing 8
Upper axle 2, axle sleeve is arranged with upper axle 2 and the positioning of casing 8, and axle sleeve includes being located at the front shaft sleeve 3 of upper axle leading section and is located at
There is the oil duct 22 extended along axis in bottom bracket axle 9 in the middle of upper axle, the upper axle 2, as shown in Figure 2, have on the upper axle 2
The oil outlet in gap between the oil inlet being connected with the oil duct 22, and connection oil duct 22 and the upper axle 2 and front shaft sleeve 3
23, there is oil-way 21 on the outer wall of upper axle 2；Oily cotton 4 is provided with the correspondence oil outlet 23 in the oil duct 22；Front axle
There is axially extending drainback passage 32 on set 3, and there is oil-recovery tank 34 on front shaft sleeve inwall, the oil-recovery tank 34 passes through oil return
Hole 33 is connected with the drainback passage 32.The present invention by setting oily cotton in the oil duct 22, to weaken lubricating oil in upper axle at a high speed
Under rotation because centrifugal force enter oil outlet 23 flow, with this prevent big flow lubricating oil enter between upper axle 2 and front shaft sleeve 3 and
Mist of oil is formed in both ends, the situation of permeability occurs；In addition, setting oil-recovery tank 34 on front shaft sleeve inwall, increased with this
Cross-sectional area at oil return, reduces oil pressure, can reduce the formation of mist of oil, further avoids permeability.
Above-mentioned oil-way 21 is spiral helicine groove, lubricating oil is preferably formed in upper axle and front axle inner room with this and protects
Shield oil film.In the present embodiment, above-mentioned oil inlet is arranged at the correspondence bottom bracket axle 9 of axle 2, and above-mentioned oil outlet 23 is located at 2 pairs, upper axle
Answer the center of front shaft sleeve 3.
Further to avoid the occurrence of permeability, above-mentioned oil outlet 23 is arranged on the axial centre with front shaft sleeve 3 on axle 2
Corresponding section, as shown in Figure 2.And front axle oil outlet 23 is made to be located at axial centre corresponding position with front shaft sleeve 3 in the present embodiment, i.e.,
The axial length central point correspondence of set 3, oil groove 34 is corresponding with going out on front shaft sleeve 3 to make it, reduces head of the lubricating oil from front shaft sleeve 3
Discharge, it is to avoid permeability occur.
Preferably to avoid the occurrence of permeability, the front end of above-mentioned front shaft sleeve 3 has the ring oil-recovery tank communicated with oil-recovery tank 34
31.Ring oil-recovery tank 31 is the anterior annular groove for setting in front shaft sleeve, and it is enclosed around upper axle one, is collected by the He of upper axle 2 with this
The mist of oil that front shaft sleeve front end is formed, makes the mist of oil at this enter drainback passage 32 by ring oil-recovery tank 31, realizes lubricating oil
Reclaim, it is to avoid permeability occurs in front shaft sleeve front end.
The rear end of above-mentioned front shaft sleeve 3 has the ring connectivity slot communicated with drainback passage 32 and the oil-way 21
35, as shown in Fig. 2 and Fig. 3.Ring connectivity slot 35 is the annular groove set at the rear portion of front shaft sleeve, and it is enclosed around upper axle one, with
The mist of oil that this collection is formed by upper axle 2 and front shaft sleeve rear end, makes the mist of oil at this enter drainback passage by ring connectivity slot 35
32, realize the recovery of lubricating oil, it is to avoid the mist of oil splashes of formation cause head long-pending oil to casing 8.
The rear end of above-mentioned front shaft sleeve 3 has the upper shaft retaining ring 5 of backstop front shaft sleeve, and its effect is positioning upper axle and front shaft sleeve.
As shown in figure 3, having the fluid sealant in space between filling sealed enclosure 8 and front shaft sleeve 3 on the outer wall of front shaft sleeve 3
Glue sealing groove 36, the oil seepage between front shaft sleeve and casing is avoided with this.
Sewing machine of the invention, it can be flat seam machine, and upper axle 2 is positioned by front shaft sleeve 3 and bottom bracket axle 9 with casing 8, on
The front end of axle 2 is connected with needle bar crank 7, there is provided the oil pump component 10 of lubricating oil is by the oil-feed on fuel feed pump 6 and above-mentioned upper axle
Mouth is connected, and lubricating oil is entered in the oil duct 22 of upper axle by oil inlet, and upper axle has central through-hole in the present embodiment, and center is passed through
Perforation constitutes oil duct, and has closeouts 1 in the front end of central through-hole, and oil duct 22 is sealed with this.Lubricating oil flows through oil duct
22 reach at oily cotton 4,4 storage lubricating oil of oily cotton, reduce the effect of lubrication oil flow rate；The lubricating oil at oily cotton 4 is reached upper
Under the centrifugal action produced during the high-speed rotation of axle 2, a part is flowed out to up to oil-way 21 and returned from oil outlet 23
In oil groove 34, lubricating oil is penetrated into the gap of front shaft sleeve 3 and upper axle 2, is formed between the contact surface of front shaft sleeve 3 and upper axle 2
One layer of oil film, reaches the upper axle 2 of lubrication, the purpose that axle 2 weares and teares during high-speed rotation in reduction.Oil-way 21 is in upper axle 2
An axial force to right direction in Fig. 2 is produced to lubricating oil in rotary course, lubricating oil is reduced and is oozed from the head of front shaft sleeve 3
Go out.The lubricating oil from the discharge of oil-way 21 is not oozed out from the head end of front shaft sleeve 3, and lubricating oil is got rid of under the influence of centrifugal force
To at the ring oil-recovery tank 31 of front shaft sleeve 3, discharged from the drainback passage 32 connected with ring oil-recovery tank 31.
In sum, sewing machine of the invention, its by setting oily cotton in oil duct, to weaken lubricating oil in upper axle at a high speed
Enter the flow of oil outlet under rotation because of centrifugal force, with this prevent the lubricating oil of big flow enter upper axle and front axle inner room and two
The end of person forms mist of oil, the situation of permeability occurs；In addition, setting oil-recovery tank on front shaft sleeve inwall, increased at oil return with this
Cross-sectional area, reduces oil pressure, can reduce the formation of mist of oil, further avoids permeability.So, the present invention effectively overcomes existing
There is the various shortcoming in technology and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (7)
1. a kind of sewing machine, the sewing machine includes casing, the upper axle being laterally disposed in casing, is covered at upper axle and casing positioning
Axle sleeve is provided with, axle sleeve includes the front shaft sleeve and the bottom bracket axle in the middle of upper axle positioned at upper axle leading section, it is characterised in that described
There is the oil duct extended along axis in upper axle, there is the oil inlet being connected with the oil duct, and connection institute on the upper axle
The oil outlet in oil duct and the upper axle and front axle inner room gap is stated, there is oil-way on the outer wall of upper axle；In the oil duct
Oily cotton is provided with the correspondence oil outlet；Having on front shaft sleeve on axially extending drainback passage, and front shaft sleeve inwall has back
Oil groove, the oil-recovery tank is connected by spill port with the drainback passage.
2. sewing machine according to claim 1, it is characterised in that：The oil-way is spiral helicine groove.
3. sewing machine according to claim 1, it is characterised in that：The oil outlet be arranged on the upper axle with it is described before
The axial centre corresponding section of axle sleeve.
4. sewing machine according to claim 1, it is characterised in that：The front end of the front shaft sleeve has and the oil-recovery tank phase
Logical ring oil-recovery tank.
5. sewing machine according to claim 1, it is characterised in that：The rear end of the front shaft sleeve has and the drainback passage
The ring connectivity slot communicated with the oil-way.
6. sewing machine according to claim 5, it is characterised in that：The rear end of the front shaft sleeve has the upper of backstop front shaft sleeve
Shaft retaining ring.
7. sewing machine according to claim 1, it is characterised in that：There is filling sealed enclosure on the outer wall of the front shaft sleeve
With the glue sealing groove of the fluid sealant in the front axle inner room space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154646.9A CN106757854A (en) | 2017-03-15 | 2017-03-15 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154646.9A CN106757854A (en) | 2017-03-15 | 2017-03-15 | Sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106757854A true CN106757854A (en) | 2017-05-31 |
Family
ID=58962191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710154646.9A Pending CN106757854A (en) | 2017-03-15 | 2017-03-15 | Sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106757854A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237064A (en) * | 2017-07-04 | 2017-10-10 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN108823842A (en) * | 2018-07-17 | 2018-11-16 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its head |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05115655A (en) * | 1990-10-12 | 1993-05-14 | Amf Reece Inc | Device for lubricating rotary hook of sewing machine |
| CN202401247U (en) * | 2011-12-27 | 2012-08-29 | 金利明 | Connection structure driven by sewing machine spindle |
| CN204082885U (en) * | 2014-09-01 | 2015-01-07 | 华泰电子股份有限公司 | Drive mechanism |
| CN204959281U (en) * | 2015-06-19 | 2016-01-13 | 拓卡奔马机电科技有限公司 | Lubricating structure of upper shaft eccentric wheel subassembly |
| CN105370887A (en) * | 2015-11-04 | 2016-03-02 | 西北工业大学 | Static and dynamic composite sealing structure and method for rotary machine rotor |
| CN106167960A (en) * | 2016-09-28 | 2016-11-30 | 浙江中森缝纫机有限公司 | A kind of Automatic Cycle oil supply system of special sewing machine |
| CN206570520U (en) * | 2017-03-15 | 2017-10-20 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2017
- 2017-03-15 CN CN201710154646.9A patent/CN106757854A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05115655A (en) * | 1990-10-12 | 1993-05-14 | Amf Reece Inc | Device for lubricating rotary hook of sewing machine |
| CN202401247U (en) * | 2011-12-27 | 2012-08-29 | 金利明 | Connection structure driven by sewing machine spindle |
| CN204082885U (en) * | 2014-09-01 | 2015-01-07 | 华泰电子股份有限公司 | Drive mechanism |
| CN204959281U (en) * | 2015-06-19 | 2016-01-13 | 拓卡奔马机电科技有限公司 | Lubricating structure of upper shaft eccentric wheel subassembly |
| CN105370887A (en) * | 2015-11-04 | 2016-03-02 | 西北工业大学 | Static and dynamic composite sealing structure and method for rotary machine rotor |
| CN106167960A (en) * | 2016-09-28 | 2016-11-30 | 浙江中森缝纫机有限公司 | A kind of Automatic Cycle oil supply system of special sewing machine |
| CN206570520U (en) * | 2017-03-15 | 2017-10-20 | 杰克缝纫机股份有限公司 | Sewing machine |
Non-Patent Citations (2)
| Title |
|---|
| 丁林，朱楠，周香: "《实用机电设备维修技术》", 30 June 2015, pages: 197 * |
| 王文博: "《缝纫机使用维修技术基础》", 31 March 2013, pages: 97 - 98 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237064A (en) * | 2017-07-04 | 2017-10-10 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN108823842A (en) * | 2018-07-17 | 2018-11-16 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its head |
| CN108823842B (en) * | 2018-07-17 | 2020-10-02 | 杰克缝纫机股份有限公司 | Sewing machine and machine head thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Applicant before: JACK SEWING MACHINE Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |