CN201241258Y - Full sealing transmission mechanism of half rotating shuttle sewing machine - Google Patents
Full sealing transmission mechanism of half rotating shuttle sewing machine Download PDFInfo
- Publication number
- CN201241258Y CN201241258Y CNU2008201274136U CN200820127413U CN201241258Y CN 201241258 Y CN201241258 Y CN 201241258Y CN U2008201274136 U CNU2008201274136 U CN U2008201274136U CN 200820127413 U CN200820127413 U CN 200820127413U CN 201241258 Y CN201241258 Y CN 201241258Y
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- main shaft
- cam
- transmission mechanism
- sealing
- main axis
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Abstract
The utility model discloses a Semi-rotary rotating shuttle sewing machine full sealing transmission mechanism which comprises an upper machine casing, a lower machine casing, a lower main shaft, a swing gear shaft, an upper main shaft, a connecting rod and a sealing box body, wherein the sealing box body is arranged in the upper machine casing; the lower main shaft is arranged in the lower machine casing; the lower main shaft is provided with a lower main shaft gear; the swing gear shaft is arranged below the lower main shaft; the swing gear shaft is provided with a swing gear; the upper main shaft passes through the sealing box body in the upper machine casing in parallel, and is provided with a cam; two ends of the connecting rod are respectively sleeved on the cam of the upper main shaft and a pin shaft of the swing gear; the upper main shaft and the cam are integrated structure; and the outside diameter of one side of the cam is less than the semi-diameter of the upper main shaft. The utility model connects the cam and the upper main shaft into a whole, and reduces volume under the condition that the eccentric distance is not changed. In addition, the transmission mechanism is full sealed in machine oil in the sealing box body to run, the difficult problems of large noise, polluted sewing materials of the machine oil, fast abrasion, slow rotate speed and inconvenient maintenance of the prior products are solved, and the service life and the work efficiency are greatly enhanced.
Description
Technical field
The utility model relates to a kind of Sewing machines, particularly relates to a kind of Sewing machines transmission mechanism.
Background technology
The following two kinds of structures of the general employing of existing transmission mechanism of half spinning rotating shuttle sewing machine, as shown in Figure 1 a kind of, last main shaft 101 is provided with a bent axle 105, and connecting rod is made up of the body of rod 102 and connecting rod cap 103, and connecting rod cap 103 is fixed on the body of rod 102 on the bent axle 105 by attachment screw 104.This structure, the manufacturing cost height, rotating speed is slow.Another kind of transmission mechanism is shown in Fig. 2, cam 203 off-centre are fixed on the main shaft 201, and the upper end of connecting rod 202 is sleeved on the outer surface of cam 203, and the left end of cam 203 is provided with cam back-up ring 204, between connecting rod 202 and cam 203, be provided with bearing, it is rotated flexibly.In this structure, the end volume that connecting rod 202 links to each other with cam 203 is bigger, causes frictional force to increase, and noise also can increase.Have, existing two kinds of Sewing machines transmission mechanisms all are non-tights again, and transmission device exposes in upper and lower enclosure and turns round like this, and wear rate is very fast, need regularly to add in the junction lubricating oil, also make maintenance cost increase not environmental protection.
The utility model content
Technical problem to be solved in the utility model is that the existing structural volume of solution is bigger, and noise is big, and oil pollution is made thing, quick abrasion, and rotating speed is slow, and inconvenient problem is safeguarded in not environmental protection.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted provides a kind of fully sealing transmission mechanism of caracol hook race sewing machine, mainly comprise upper and lower enclosure, be arranged on the seal case in the upper casing and be arranged on seal case and lower casing in transmission mechanism, seal case is fixedlyed connected with the upper surface of lower casing;
Described transmission mechanism comprises:
Lower main axis, rotary seal are connected on the two side of lower casing and an end passes the madial wall of lower casing, and lower main axis is provided with the lower main axis gear and the lower main axis gear is arranged in the lower casing;
Last main shaft, two side and lower main axis that two ends pass seal case respectively are arranged in the upper casing abreast, and with the two side rotary seal of seal case, lower main axis is provided with cam, concentric locking collar is equipped with needle bearing on the cam, and the both sides of cam are respectively equipped with back-up ring and balance weight; Last main shaft and cam be structure as a whole and a side external diameter of cam less than the external diameter of last main shaft;
Pendulum tooth axle is arranged in the lower casing abreast with lower main axis, and an end is fixedlyed connected with lower casing, which is provided with the pendulum tooth with the lower main axis gears engaged;
Connecting rod, the lower surface of seal case is provided with the connecting rod through port, the concentric suit of cam on the upper end of connecting rod and the last main shaft, the lower end of connecting rod is fixed on the lateral surface of pendulum tooth with bearing pin;
In the such scheme, the joint portion of described upward main shaft and seal case two side is suit oil sealing and oil sealing respectively, and fixes with the oil sealing retainer plate.The joint portion of described lower main axis and seal case two side is provided with oil sealing and sealing-plug respectively.
The lower surface of described lower house is provided with removable lower sealing cover, and the lower surface of lower sealing cover is provided with the lower cover fin.
The utility model is connected as a single entity at following cam of the situation that does not change eccentric throw and last main shaft, and cam one side external diameter makes cam and the connecting rod volume that is connected with cam all dwindle less than last main shaft external diameter, and friction is little, improves rotating speed.In addition, in the hermetically sealed seal case in upper and lower enclosure in the part of the force of transmission mechanism, all turned round in the transmission part of the force in machine oil, improve service life.The utility model has solved existing design, and noise is big, and oil pollution is made thing, quick abrasion, and rotating speed is slow, safeguards the worldwide recognized problem of inconvenience, improves service life and operating efficiency greatly.
Description of drawings
Fig. 1 is existing a kind of transmission mechanism of half spinning rotating shuttle sewing machine schematic diagram;
Fig. 2 is existing another kind of transmission mechanism of half spinning rotating shuttle sewing machine schematic diagram;
Fig. 3 is the utility model structural representation;
Fig. 4 is that the upper and lower main shaft of the utility model decomposes scheme of installation;
Fig. 5 is the decomposing schematic representation of the utility model transmission mechanism.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made detailed explanation.
Extremely shown in Figure 5 as Fig. 3, the utility model mainly comprises upper and lower enclosure 30,31, be arranged on the seal case 23 in the upper casing 30 and be arranged on seal case 23 and lower casing in transmission mechanism in 31, seal case 23 is fixedlyed connected with the upper surface of lower casing 31, seal case 23 upper surfaces are provided with removable loam cake 1, be provided with sealing ring 2 between loam cake 1 and the seal case 23, the lower surface of seal case 23 is provided with connecting rod 9 through ports.
Described transmission mechanism mainly comprises lower main axis 15, pendulum tooth axle 18, last main shaft 3 and connecting rod 9, last main shaft 3 two ends pass the two side of seal case 23 respectively and are set in parallel in the upper casing with lower main axis 15, which is provided with cam 24, the both sides of described cam 24 are respectively equipped with back-up ring 4 and balance weight 7, last main shaft 3 be structure as a whole with cam 24 and a side external diameter of cam 24 less than the external diameter of last main shaft 3, last main shaft 3 is realized sealing and being fixed on the two side of seal case 23 with oil sealing retainer plate 33,34 with seal case 23 by sealing ring 10 and sealing ring 5 at two ends, the left and right sides.
Lower main axis 15 is arranged in the lower casing 31 abreast with last main shaft 3, one end passes the medial surface of lower casing 31 and is rotationally connected with the two side of lower casing 31, lower main axis 15 is provided with lower main axis gear 14, the joint portion of the two side of lower main axis gear 14 up and down casings 31 is set with axle sleeve 12 respectively, the outside of axle sleeve 12 is respectively equipped with sealing ring 11 and sealing-plug 32, in order to guarantee the axial location and the sealing of lower main axis gear 14.
The below of lower main axis 15 is provided with pendulum tooth axle 18 in parallel, one end of pendulum tooth axle 18 is fixedlyed connected with lower casing 31, and by sealing ring 17 sealings, be with pendulum tooth 16 on the pendulum tooth axle 18, and by jump ring 25 realization axial location, the lower end of connecting rod 9 is fixed on bearing pin 19 on the lateral surface of pendulum tooth 16, mainshaft gear 14 engagements on pendulum tooth 16 and the lower main axis 15.
The upper end concentric locking collar of connecting rod 9 is connected on the outer surface of the cam 24 on the main shaft 3, in order to rotate flexibly, also is provided with needle bearing 8 between connecting rod 9 and cam 24.
The lower surface of described lower house 31 is provided with removable lower sealing cover, and the lower surface of described lower sealing cover is provided with lower cover fin 21, is provided with sealing ring 20 between lower sealing cover and the lower house 31.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the present utility model.
Claims (5)
1, a kind of fully sealing transmission mechanism of caracol hook race sewing machine comprises the transmission mechanism that is arranged in upper and lower enclosure (30), (31), it is characterized in that also comprising:
Be arranged on the seal case (23) in the upper casing (30), described seal case (23) is fixedlyed connected with the upper surface of lower casing (31);
Described transmission mechanism comprises:
Lower main axis (15), rotary seal are connected on the two side of lower casing (31) and an end passes the madial wall rotary seal of lower casing (31), and lower main axis (15) is provided with lower main axis gear (14) and lower main axis gear (14) is arranged in the lower casing (31);
Last main shaft (3), two side and lower main axis (15) that two ends pass seal case (23) respectively are set in parallel in the upper casing (30), and two side rotary seal with seal case (23), last main shaft (3) is provided with cam (24), cam (24) is gone up concentric locking collar needle bearing (8) is housed, and the both sides of cam (24) are respectively equipped with back-up ring (4) and balance weight (7); Last main shaft (3) and cam (24) be structure as a whole and a side external diameter of cam (24) less than the external diameter of last main shaft (3);
Pendulum tooth axle (18) is arranged in the lower casing (31) abreast with lower main axis (15), and an end is fixedlyed connected with lower casing (31), which is provided with the pendulum tooth (16) with lower main axis gear (14) engagement;
Connecting rod (9), the lower surface of seal case (23) are provided with connecting rod (9) through port, and the upper end concentric locking collar of connecting rod (9) is contained on the outer surface of cam (24), and the lower end of connecting rod (9) is fixed on the lateral surface of pendulum tooth (16) with bearing pin (19).
2, fully sealing transmission mechanism of caracol hook race sewing machine as claimed in claim 1, it is characterized in that described upward main shaft (3) is gone up and the joint portion of seal case (23) two side is set with oil sealing (10) and oil sealing (5) respectively, and be fixed on the two side of upper casing (30) with oil sealing retainer plate (33), (34).
3, fully sealing transmission mechanism of caracol hook race sewing machine as claimed in claim 1 is characterized in that the described lower main axis (15) and the joint portion of seal case (23) two side are provided with oil sealing (11) and sealing-plug (32) respectively.
4, fully sealing transmission mechanism of caracol hook race sewing machine as claimed in claim 1 is characterized in that the upper surface of described seal case (23) is provided with removable top cover labyrinth (1).
5, fully sealing transmission mechanism of caracol hook race sewing machine as claimed in claim 1 is characterized in that the lower surface of described lower house is provided with removable lower sealing cover, and the lower surface of described lower sealing cover is provided with lower cover fin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274136U CN201241258Y (en) | 2008-07-21 | 2008-07-21 | Full sealing transmission mechanism of half rotating shuttle sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274136U CN201241258Y (en) | 2008-07-21 | 2008-07-21 | Full sealing transmission mechanism of half rotating shuttle sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201241258Y true CN201241258Y (en) | 2009-05-20 |
Family
ID=40714553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201274136U Expired - Lifetime CN201241258Y (en) | 2008-07-21 | 2008-07-21 | Full sealing transmission mechanism of half rotating shuttle sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201241258Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314900B (en) * | 2008-07-21 | 2012-10-03 | 张章生 | Fully sealing transmission mechanism of caracol hook race sewing machine |
| CN103966780A (en) * | 2014-05-21 | 2014-08-06 | 新杰克缝纫机股份有限公司 | Oil buffering backstitch electromagnet reverse mechanism |
| CN106637729A (en) * | 2016-12-28 | 2017-05-10 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
-
2008
- 2008-07-21 CN CNU2008201274136U patent/CN201241258Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314900B (en) * | 2008-07-21 | 2012-10-03 | 张章生 | Fully sealing transmission mechanism of caracol hook race sewing machine |
| CN103966780A (en) * | 2014-05-21 | 2014-08-06 | 新杰克缝纫机股份有限公司 | Oil buffering backstitch electromagnet reverse mechanism |
| CN103966780B (en) * | 2014-05-21 | 2015-11-11 | 杰克缝纫机股份有限公司 | Oil buffering backstitches electromagnet reversing device |
| CN106637729A (en) * | 2016-12-28 | 2017-05-10 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
| CN106637729B (en) * | 2016-12-28 | 2020-02-07 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090520 Effective date of abandoning: 20080721 |