CN216514559U - Oil quantity adjusting mechanism of sewing machine and sewing machine - Google Patents
Oil quantity adjusting mechanism of sewing machine and sewing machine Download PDFInfo
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- CN216514559U CN216514559U CN202220055024.7U CN202220055024U CN216514559U CN 216514559 U CN216514559 U CN 216514559U CN 202220055024 U CN202220055024 U CN 202220055024U CN 216514559 U CN216514559 U CN 216514559U
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- sewing machine
- lower shaft
- quantity adjusting
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Abstract
The utility model discloses an oil quantity adjusting mechanism of a sewing machine and the sewing machine, wherein the oil quantity adjusting mechanism of the sewing machine comprises an oil pump, a first oil quantity adjusting device, a second oil quantity adjusting device, a lower shaft front sleeve, a machine shell and a lower shaft; the oil pump is suitable for sucking oil from the oil pan, adjusting the oil supply quantity through the first adjusting device and sending the oil to the lower shaft front sleeve; an oil outlet and an oil inlet are formed in the front sleeve of the lower shaft, the oil inlet is suitable for conveying lubricating oil to the lower shaft and the rotating shuttle for lubrication, the oil outlet is connected to one end of a second oil quantity adjusting device, the other end of the second oil quantity adjusting device is connected to an oil tray, the second oil quantity adjusting device is suitable for adjusting the flowing oil quantity, and the oil returns to the oil tray. The utility model can better control the oil mass thrown out of the rotating shuttle by adjusting the oil output and the oil return, can adjust the oil mass to a stable oil supply state with little oil and to a state without oil output directly, and can not pollute the sewing material.
Description
Technical Field
The utility model relates to an oil quantity adjusting mechanism of a sewing machine and the sewing machine, and belongs to the field of sewing machines.
Background
When the sewing machine is used for manufacturing high-end clothes, the situation that lubricating oil pollutes sewing materials is not allowed to occur. Therefore, the amount of oil at the rotary hook of the sewing machine is as small as possible. However, the oil supply amount at the lower shaft rotating shuttle is controlled by adjusting the oil return amount in the oil circuit in the conventional manner of adjusting the oil supply amount of the sewing machine, the oil supply amount cannot be adjusted to a very small stable oil supply state or a non-oil-discharge state, and the sewing material is greatly polluted.
Disclosure of Invention
The object of the present invention is to solve the drawbacks mentioned in the background art.
In order to achieve the above object of the present invention, in a first aspect, the present invention provides an oil amount adjusting mechanism of a sewing machine, including an oil pump, a first oil amount adjusting device, a second oil amount adjusting device, a lower shaft front sleeve, a housing and a lower shaft; the oil pump is suitable for sucking oil from the oil pan, adjusting the oil supply quantity through the first oil quantity adjusting device and sending the oil to the lower shaft front sleeve; the front sleeve of the lower shaft is provided with an oil outlet and an oil inlet, the oil inlet is suitable for conveying lubricating oil to the lower shaft and the rotating shuttle for lubrication, the oil outlet is connected to one end of a second oil quantity adjusting device, the other end of the second oil quantity adjusting device is connected to an oil tray, the second oil quantity adjusting device is suitable for adjusting the flowing oil quantity, and the oil returns to the oil tray.
Further, first oil mass adjusting device includes casing, oil mass adjusting pin and at least one O type circle, the oil mass adjusting pin is located in the casing, O type circle cover is established on the oil mass adjusting pin.
In a second aspect, the present invention provides a sewing machine including the oil amount adjusting mechanism of the sewing machine according to any one of the first aspect.
Compared with the prior art, the utility model has the beneficial effects that:
the size of the oil mass thrown away from the rotating shuttle can be better controlled by adjusting the oil output and the oil return amount, the oil mass can be adjusted to a few stable oil supply state, and the oil mass can be adjusted to a direct oil-out-free state, so that the seam material cannot be polluted.
Drawings
FIG. 1 is a schematic view of an embodiment of an oil amount adjusting mechanism of a sewing machine according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of an oil amount adjusting mechanism of a sewing machine according to the present invention;
FIG. 3 is a perspective view of a lower shaft front cover in an embodiment of an oil amount adjusting mechanism of a sewing machine according to the present invention.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1 to 3, an embodiment of an oil amount adjusting mechanism of a sewing machine of the present invention includes an oil pump 1, a first oil amount adjusting device 4, a second oil amount adjusting device 9, a lower shaft front cover 7, a housing 91, and a lower shaft 11; the oil pump 1 is suitable for sucking oil from an oil pan, adjusting the oil supply amount through the first oil amount adjusting device 4 and sending the oil to the lower shaft front sleeve 7; an oil outlet 72 and an oil inlet 71 are arranged on the lower shaft front sleeve 7, the oil inlet 71 is suitable for delivering lubricating oil to the lower shaft 11 and the rotating shuttle 8 for lubrication, the oil outlet 72 is connected to one end of the second oil quantity adjusting device 9, the other end of the second oil quantity adjusting device 9 is connected to the oil pan 13, and the second oil quantity adjusting device 9 is suitable for adjusting the oil quantity flowing through and returning the oil to the oil pan 13.
In an embodiment of the oil amount adjusting mechanism of the sewing machine of the present invention, the first oil amount adjusting device 4 includes a housing 41, an oil amount adjusting pin 42 and at least one O-ring 43, the oil amount adjusting pin 42 is disposed in the housing 41, and the O-ring 43 is sleeved on the oil amount adjusting pin 42; the second oil quantity adjusting device 9 comprises a second shell 91, a second oil quantity adjusting pin 92 and at least one second O-shaped ring 93, the second oil quantity adjusting pin 92 is arranged in the second shell 91, and the second O-shaped ring 93 is sleeved on the second oil quantity adjusting pin 92.
When the oil pump works, one end 21 of the oil supply pipe joint 2 is arranged at an oil outlet 11 of the oil pump 1, one end of the oil pipe 3 is connected to the other end 22 of the oil supply pipe joint 2, the oil supply pipe joint 2 can be of a two-way structure or a three-way structure, and if the sewing machine has other parts needing lubrication, the three-way structure can be selected. The other end of the oil pipe 3 is connected to one end of the first oil quantity adjusting device 4, the other end of the first oil quantity adjusting device 4 is connected to the lower shaft front sleeve 7 through the oil pipe 5, an oil inlet 71 and an oil outlet 72 are arranged on the lower shaft front sleeve 7, wherein the oil inlet 71 is communicated with a lower shaft lubricating oil path and a rotating shuttle lubricating oil path, oil is guided to the lower shaft 11 and is lubricated with the rotating shuttle 8, the oil outlet 72 is communicated with one end of the second oil quantity adjusting device 9, and the other end of the second oil quantity adjusting device 9 is connected to the oil pan 13 through the oil pipe 10.
The oil quantity control principle is that oil in an oil pan 13 is supplied to the lower shaft 11 and the rotating shuttle 8 through the oil pump 1, wherein the oil is adjusted in oil supply quantity through the first oil quantity adjusting device 4 and then flows to the lower shaft front sleeve 7, the lower shaft 11 and the rotating shuttle 8 are lubricated through the oil inlet 71 of the lower shaft front sleeve 7, and after the oil return quantity is adjusted through the second oil quantity adjusting device 9 arranged between the oil outlet 72 of the lower shaft front sleeve 7 and the oil pan 13, redundant oil is drained and returned to the oil pan 13.
The sewing machine of the utility model comprises the oil quantity adjusting mechanism of the sewing machine, which is described in any embodiment of the oil quantity adjusting mechanism of the sewing machine, and the oil quantity adjusting mechanism of the sewing machine also has the advantages of the oil quantity adjusting mechanism of the sewing machine, and the details are not repeated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (3)
1. An oil quantity adjusting mechanism of a sewing machine is characterized by comprising an oil pump (1), a first oil quantity adjusting device (4), a second oil quantity adjusting device (9), a lower shaft front sleeve (7), a machine shell (91) and a lower shaft (11); the oil pump (1) is suitable for sucking oil from an oil pan, adjusting the oil supply amount through the first oil amount adjusting device (4), and sending the oil to the lower shaft front sleeve (7); an oil outlet (72) and an oil inlet (71) are formed in the lower shaft front sleeve (7), the oil inlet (71) is suitable for conveying lubricating oil to the lower shaft (11) and the rotating shuttle (8) for lubrication, the oil outlet (72) is connected to one end of the second oil quantity adjusting device (9), the other end of the second oil quantity adjusting device (9) is connected to the oil pan (13), the second oil quantity adjusting device (9) is suitable for adjusting the flowing oil quantity, and then the oil returns to the oil pan (13).
2. The oil amount adjusting mechanism of a sewing machine according to claim 1, wherein the first oil amount adjusting device (4) includes a housing (41), an oil amount adjusting pin (42), and at least one O-ring (43), the oil amount adjusting pin (42) is disposed in the housing (41), and the O-ring (43) is fitted over the oil amount adjusting pin (42).
3. A sewing machine characterized by comprising the oil amount adjusting mechanism of the sewing machine according to any one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220055024.7U CN216514559U (en) | 2022-01-11 | 2022-01-11 | Oil quantity adjusting mechanism of sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220055024.7U CN216514559U (en) | 2022-01-11 | 2022-01-11 | Oil quantity adjusting mechanism of sewing machine and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216514559U true CN216514559U (en) | 2022-05-13 |
Family
ID=81518428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220055024.7U Active CN216514559U (en) | 2022-01-11 | 2022-01-11 | Oil quantity adjusting mechanism of sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216514559U (en) |
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2022
- 2022-01-11 CN CN202220055024.7U patent/CN216514559U/en active Active
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