CN203051709U - Lower shaft gear sealing mechanism of bar tacking machine - Google Patents
Lower shaft gear sealing mechanism of bar tacking machine Download PDFInfo
- Publication number
- CN203051709U CN203051709U CN 201320008726 CN201320008726U CN203051709U CN 203051709 U CN203051709 U CN 203051709U CN 201320008726 CN201320008726 CN 201320008726 CN 201320008726 U CN201320008726 U CN 201320008726U CN 203051709 U CN203051709 U CN 203051709U
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- China
- Prior art keywords
- lower shaft
- axle
- gear
- sealing mechanism
- bar tacking
- 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.)
- Withdrawn - After Issue
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of sewing machines, and particularly relates to a lower shaft gear sealing mechanism of a bar tacking machine. An installation seat provided with an opening at the lower end and an independent cavity is arranged on the corresponding position of a machine base and provided with two parallel side walls. A lower shaft is arranged on the two side walls in a penetrating mode, an axis of the lower shaft is perpendicular to the two side walls, and the lower shaft between the two side walls is fixedly provided with a gear. Through holes of a coaxial line are respectively arranged in the side walls on one side of the lower shaft, eccentric sleeves are arranged inside the through holes, a first transverse shaft on a bent axle is arranged in the eccentric sleeves in a penetrating mode and can rotate inside the eccentric sleeves in an eccentric mode, a second transverse shaft on the bent axle is connected with an upper shaft through a large connecting rod, and the first transverse shaft between the two eccentric sleeves is fixedly provided with a fan gear which is meshed with a gear on the lower shaft. A gear cover is arranged on the opening portion of the installation seat for forming a gear box. The lower shaft gear sealing mechanism is low in noise. Lubricating oil is arranged inside the gear box, and therefore the trouble that the lubricating oil needs to be filled every time can be avoided.
Description
Technical field:
The utility model belongs to the sewing machine technique field, refers in particular to the lower shaft tooth sealing mechanism on a kind of bar tacking machine.
Background technique:
Distance between the fan tooth of the gear on the lower shaft on the bar tacking machine and a side and its engagement needs to regulate.The fan tooth is to be fixed on the eccentric shaft of lower shaft one side, and eccentric rotation axis is regulated the gap between the gear of fanning on tooth and the lower shaft.This structure exists: noise is big, regulates trouble, deficiencys such as lubricated inconvenience.
Summary of the invention:
The purpose of this utility model provides that a kind of noise is little, the lower shaft tooth sealing mechanism on the bar tacking machine of compact structure, high lubricating effect.
The utility model is achieved in that
Lower shaft tooth sealing mechanism on a kind of bar tacking machine, the relevant position is provided with lower ending opening on support, fitting seat with independent cavity, include two sidewalls that are parallel to each other on the fitting seat, lower shaft be located on the two side of fitting seat and axis normal in the two side, lower shaft between the two side is installed with gear, be respectively arranged with the through hole of coaxial line at the sidewall of lower shaft one side, in through hole, be provided with eccentric bushing, first transverse axis on the bent axle be located in the eccentric bushing and can be in eccentric bushing eccentric rotary, second transverse axis on the bent axle is connected with last axle by big connecting rod, first transverse axis between two eccentric bushings is installed with the fan tooth, the fan tooth is meshed with gear on the lower shaft, is provided with gear cap formative gear case at the opening portion of fitting seat.
Be provided with lubricant oil in the above-mentioned gear-box.
Be provided with bearing between first transverse axis of above-mentioned eccentric bushing and bent axle.
First transverse axis of above-mentioned bent axle is made up of axle one and axle two, one end of axle two is plugged on the axle one, and axle one two is coaxially set with axle, is provided with tapped hole in axle one and relevant position on axle two and the fan tooth, simultaneously axle one, axle two is connected and will fan tooth by screw to be fixed on spool one.
Be provided with seal ring between above-mentioned eccentric bushing and the sidewall.
Be set with seal ring on first transverse axis within the bearing between above-mentioned eccentric bushing and first transverse axis.
The outside end face of above-mentioned eccentric bushing is provided with locating slot.
Above-mentioned lower shaft is bearing on the two side by bearing, and the lower shaft of two bearings interior edge face is provided with seal ring, is provided with back-up ring at the outer side surface of bearing.
Above-mentioned gear and fan tooth are helical teeth.
The advantage that the utility model is given prominence to compared to existing technology is:
The utility model concerns that by the position that big connecting rod drive bent axle rotates to adjust between the gear of fanning on tooth and the lower shaft noise is little, is provided with lubricant oil and can avoids all carrying out oily trouble at every turn in gear-box.
Description of drawings:
Fig. 1 is the schematic representation that the utility model is unkitted gear cap;
Fig. 2 is the schematic representation of gear mechanism of the present utility model;
Fig. 3 is the worm's eye view that the utility model is unkitted gear cap;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is worm's eye view of the present utility model.
Embodiment:
With specific embodiment the utility model is further described below, referring to Fig. 1-6:
Lower shaft tooth sealing mechanism on a kind of bar tacking machine, the relevant position is provided with lower ending opening on support 10, fitting seat with independent cavity, include two sidewalls that are parallel to each other 20 on the fitting seat, lower shaft 30 be located on the two side 20 of fitting seat and axis normal in the two side 20, lower shaft 30 between two side 20 is installed with gear 40, be respectively arranged with the through hole of coaxial line at the sidewall 20 of lower shaft 30 1 sides, in through hole, be provided with eccentric bushing 50, first transverse axis on the bent axle 60 be located in the eccentric bushing 50 and can be in eccentric bushing 50 eccentric rotary, second transverse axis on the bent axle 60 is connected with last axle 80 by big connecting rod 70, first transverse axis between two eccentric bushings 50 is installed with fan tooth 90, fan tooth 90 is meshed with gear 40 on the lower shaft 30, is provided with gear cap 100 formative gear casees at the opening portion of fitting seat.
Be provided with lubricant oil in the above-mentioned gear-box, not only can reduce noise, and can make gear keep lubricated, transmission is normal.
Be provided with bearing 110 between above-mentioned eccentric bushing 50 and first transverse axis of bent axle 60, rotate flexibly.
First transverse axis of above-mentioned bent axle 60 is made up of axle 1 and axle 2 62, one end of axle 2 62 is plugged on the axle 1, and axle 1 is coaxially set with axle 2 62, be provided with tapped hole in axle 1 and relevant position on axle 2 62 and the fan tooth 90, simultaneously axle 1, axle 2 62 connected and will fan tooth 90 by screw and be fixed on spools 1.
Be provided with seal ring 120 between above-mentioned eccentric bushing 50 and the sidewall 20, prevent past the exosmosing of oil in the gear-box.
Be set with seal ring 130 on above-mentioned eccentric bushing 50 and first transverse axis within the bearing 110 between first transverse axis, prevent past the exosmosing of oil in the gear-box.
The outside end face of above-mentioned eccentric bushing 50 is provided with locating slot 501, is convenient to install.
Above-mentioned lower shaft 30 is bearing on the two side 20 by bearing 140, and the lower shaft 30 of two bearings 140 interior edge faces is provided with seal ring 150, is provided with back-up ring 160 at the outer side surface of bearing 140.
Above-mentioned gear 40 and fan tooth 90 are helical teeth.
Above-described embodiment only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (9)
1. the lower shaft tooth sealing mechanism on the bar tacking machine, it is characterized in that: the relevant position is provided with lower ending opening on support, fitting seat with independent cavity, include two sidewalls that are parallel to each other on the fitting seat, lower shaft be located on the two side of fitting seat and axis normal in the two side, lower shaft between the two side is installed with gear, be respectively arranged with the through hole of coaxial line at the sidewall of lower shaft one side, in through hole, be provided with eccentric bushing, first transverse axis on the bent axle be located in the eccentric bushing and can be in eccentric bushing eccentric rotary, second transverse axis on the bent axle is connected with last axle by big connecting rod, first transverse axis between two eccentric bushings is installed with the fan tooth, the fan tooth is meshed with gear on the lower shaft, is provided with gear cap formative gear case at the opening portion of fitting seat.
2. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1 is characterized in that: be provided with lubricant oil in the described gear-box.
3. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1 is characterized in that: be provided with bearing between first transverse axis of described eccentric bushing and bent axle.
4. according to the lower shaft tooth sealing mechanism on claim 1 or the 3 described a kind of bar tacking machine, it is characterized in that: first transverse axis of described bent axle is made up of axle one and axle two, one end of axle two is plugged on the axle one, and axle one is coaxially set with axle two, be provided with tapped hole in axle one and relevant position on axle two and the fan tooth, simultaneously axle one, axle two connected and will fan tooth by screw and be fixed on spool one.
5. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1 is characterized in that: be provided with seal ring between described eccentric bushing and the sidewall.
6. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1 is characterized in that: be set with seal ring on first transverse axis within the bearing between described eccentric bushing and first transverse axis.
7. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1, it is characterized in that: the outside end face of described eccentric bushing is provided with locating slot.
8. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1, it is characterized in that: described lower shaft is bearing on the two side by bearing, and the lower shaft of two bearings interior edge face is provided with seal ring, is provided with back-up ring at the outer side surface of bearing.
9. the lower shaft tooth sealing mechanism on a kind of bar tacking machine according to claim 1 is characterized in that: described gear and fan tooth are helical teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008726 CN203051709U (en) | 2012-11-09 | 2013-01-07 | Lower shaft gear sealing mechanism of bar tacking machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220590178.2 | 2012-11-09 | ||
| CN201220590178 | 2012-11-09 | ||
| CN 201320008726 CN203051709U (en) | 2012-11-09 | 2013-01-07 | Lower shaft gear sealing mechanism of bar tacking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051709U true CN203051709U (en) | 2013-07-10 |
Family
ID=48060163
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008726 Withdrawn - After Issue CN203051709U (en) | 2012-11-09 | 2013-01-07 | Lower shaft gear sealing mechanism of bar tacking machine |
| CN201310005890.0A Active CN103047395B (en) | 2012-11-09 | 2013-01-07 | Lower shaft tooth sealing mechanism in a kind of bar tacking machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310005890.0A Active CN103047395B (en) | 2012-11-09 | 2013-01-07 | Lower shaft tooth sealing mechanism in a kind of bar tacking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN203051709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047395A (en) * | 2012-11-09 | 2013-04-17 | 台州拓卡奔马机电科技有限公司 | Lower shaft gear sealing mechanism of tacking machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921522A (en) * | 2021-01-26 | 2021-06-08 | 汇宝科技集团有限公司 | Column sewing mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH676999A5 (en) * | 1988-11-30 | 1991-03-28 | Mefina Sa | |
| JP2004049257A (en) * | 2002-07-16 | 2004-02-19 | Juki Corp | Power transmission mechanism of sewing machine |
| JP2010167061A (en) * | 2009-01-22 | 2010-08-05 | Brother Ind Ltd | Lower shaft driving mechanism of sewing machine |
| CN101634088A (en) * | 2009-06-04 | 2010-01-27 | 浙江新杰克缝纫机股份有限公司 | Driving structure of thread-trimming lifter-presser foot of sewing machine |
| CN202214596U (en) * | 2011-07-19 | 2012-05-09 | Juki株式会社 | Sewing machine |
| CN203051709U (en) * | 2012-11-09 | 2013-07-10 | 台州拓卡奔马机电科技有限公司 | Lower shaft gear sealing mechanism of bar tacking machine |
-
2013
- 2013-01-07 CN CN 201320008726 patent/CN203051709U/en not_active Withdrawn - After Issue
- 2013-01-07 CN CN201310005890.0A patent/CN103047395B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047395A (en) * | 2012-11-09 | 2013-04-17 | 台州拓卡奔马机电科技有限公司 | Lower shaft gear sealing mechanism of tacking machine |
| CN103047395B (en) * | 2012-11-09 | 2015-12-16 | 拓卡奔马机电科技有限公司 | Lower shaft tooth sealing mechanism in a kind of bar tacking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103047395A (en) | 2013-04-17 |
| CN103047395B (en) | 2015-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TOPCUT-BULLMER MECHANICAL AND ELECTRICAL TECHNOLOG Free format text: FORMER NAME: TAIZHOU TOPCUT BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 317000 No. 71 River Road, Jiangnan street, Linhai City, Zhejiang, 181 Patentee after: BULLMER ELECTROMECHANICAL TECHNOLOGY CO., LTD. Address before: 317000, Zhejiang, Taizhou Province Jiangnan Jiangnan Street office seed farm Patentee before: Taizhou Topcut Bullmer Mechanical and Electrical Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |