CN214782558U

CN214782558U - Oil storage device of sewing machine and sewing machine

Info

Publication number: CN214782558U
Application number: CN202120156944.3U
Authority: CN
Inventors: 陈英杰; 颜文耀
Original assignee: Zhejiang Maqi Sewing Machine Co Ltd
Current assignee: Zhejiang Maqi Sewing Machine Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-11-19
Anticipated expiration: 2031-01-19

Abstract

The utility model relates to the technical field of sewing machine parts, and discloses an oil storage device of a sewing machine and a sewing machine, which comprises an oil box (1), an exhaust pipe (2) and a breathing nozzle (3), wherein the oil box (1) is provided with an exhaust port (4) and an oil filling port (5) which are respectively communicated with the inside of the oil box (1), the exhaust pipe (2) is arranged on the exhaust port (4), and the breathing nozzle (3) is detachably arranged on the oil filling port (5); an oil outlet (6) and an oil return opening (7) which are communicated with the inside of the oil box (1) are formed in the oil box (1), the exhaust port (4) and the oil filling opening (5) are arranged on the top surface of the oil box (1), and the oil outlet (6) and the oil return opening (7) are arranged on the side surface of the oil box (1). The utility model discloses breathe out suction nozzle inhaled air and enter into inside the oil box through the oil filler hole, discharge from gas vent and blast pipe again, make the inside and outside atmospheric pressure keep balance of oil box, avoid lubricating oil to flow to the oil box under the effect of atmospheric pressure difference.

Description

Oil storage device of sewing machine and sewing machine

Technical Field

The utility model relates to a sewing machine spare part technical field especially relates to a sewing machine's oil storage device and sewing machine.

Background

The lubrication of the oil is indispensable during the high-speed operation of the sewing machine, and the oil or grease is required to be added to the conventional oil sewing machine or the micro-oil sewing machine. In a conventional oil sewing machine, oil is usually placed in an inner cavity of a machine shell, and oil is sucked by an oil pump and is transmitted to various parts of the machine to be lubricated. Some special sewing machines cannot put the lubricant into the machine casing due to the structure, but supply the lubricant by adding an oil box. Since the oil box is a sealed container, when oil circulates at a high speed, a pressure difference is generated inside the oil box, which causes poor flow of the lubricating oil. The utility model discloses a sewing machine's oil supply unit as chinese utility model patent application number CN201120371770.9, including pump, oil storage ware, drive disk assembly, be provided with into oil pipe between pump and the oil storage ware, be provided with between pump and the drive disk assembly and supply oil pipe and return oil pipe, supply to be equipped with the separator between oil pipe and the drive disk assembly, advance oil pipe, supply oil pipe, return oil pipe with pump combination department fills there is the sealing washer, be provided with visual window on the oil storage ware. When the lubricating oil is used and circulated for a long time, the lubricating oil is easy to lose due to the change of the air pressure difference in the oil box.

Disclosure of Invention

The utility model discloses to the shortcoming that lubricating oil runs off easily among the prior art, provide an oil storage device and sewing machine of sewing machine that lubricating oil is difficult to run off.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the oil storage device of the sewing machine comprises an oil box, an exhaust pipe and a breathing nozzle, wherein the oil box is provided with an exhaust port and an oil filling port which are respectively communicated with the inside of the oil box; the oil box is also provided with an oil outlet and an oil return port which are respectively communicated with the inside of the oil box.

Preferably, gas vent and oil filler hole all set up in the top surface of oil box, and oil-out and oil return opening all set up in the side of oil box, and the oil-out sets up in the lower extreme of oil box side, and the oil return opening sets up in the upper end of oil box side.

As preferred, processing has the internal thread on the inside wall of oil filler hole, and breathing mouth and oil filler hole pass through the linkage segment and connect, and the linkage segment sets up in the below of breathing the suction nozzle and is connected with breathing the mouth, and the linkage segment is worn to establish in the oil filler hole, and processing has the external screw thread with internal thread looks adaptation on the linkage segment.

Preferably, the upper end surface of the breath nozzle is provided with a vent hole, and the vent hole is communicated with the inside of the oil box through the breath nozzle.

Preferably, the exhaust pipe is in the shape of a hollow pipe, the lower end of the exhaust pipe is arranged in the exhaust port in a penetrating mode, and the height of the upper end portion of the exhaust pipe is higher than that of the upper end portion of the breathing nozzle.

A sewing machine comprises the oil storage device of the sewing machine.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: because the lubricating oil in the oil box can generate air pressure difference in the flowing process, the air sucked by the breathing nozzle enters the oil box through the oil filling port and is discharged from the exhaust port and the exhaust pipe, so that the air pressure inside and outside the oil box is kept balanced, and the lubricating oil is prevented from flowing out of the oil box under the action of the air pressure difference.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic perspective view of the mouthpiece.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-oil box, 2-exhaust pipe, 3-breathing nozzle, 4-exhaust port, 5-oil filling port, 6-oil outlet, 7-oil return port, 8-connecting section, 9-air vent.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The oil storage device of the sewing machine is shown in figures 1 to 3 and comprises an oil box 1, wherein the oil box 1 is made of transparent materials, the oil storage device further comprises an exhaust pipe 2 and a breathing nozzle 3, the oil box 1 is provided with an exhaust port 4 and an oil filling port 5 which are communicated with the inside of the oil box 1 respectively, the exhaust pipe 2 is installed on the exhaust port 4, and the breathing nozzle 3 is detachably installed on the oil filling port 5. The oil box 1 is also provided with an oil outlet 6 and an oil return opening 7 which are respectively communicated with the inside of the oil box 1. The oil box 1 is installed in the outside of the sewing machine, when the sewing machine starts, the lubricating oil in the oil box 1 is pumped out from the oil outlet 6 under the action of the oil pump, and returns to the oil box 1 from the oil return opening 7 after passing through the position needing lubricating of the sewing machine, because the lubricating oil in the oil box 1 can generate air pressure difference in the flowing process, the air sucked by the breathing nozzle 3 enters the oil box 1 through the oil filling opening 5, and is discharged from the exhaust opening 4 and the exhaust pipe 2, so that the internal and external air pressures of the oil box 1 are kept balanced, and the lubricating oil is prevented from flowing out to the oil box 1 under the action of the air pressure difference.

The gas vent 4 and the oil filler 5 all set up in the top surface of oil box 1, and oil-out 6 and oil return opening 7 all set up in the side of oil box 1, and oil-out 6 sets up in the lower extreme of 1 side of oil box, and oil return opening 7 sets up in the upper end of 1 side of oil box. The oil filling port 5, the breathing nozzle 3 and the air outlet 4 on the oil filling port and the exhaust pipe 2 on the oil filling port form an air circulation channel, the air outlet 4 and the oil filling port 5 are both located on the top surface of the oil box 1, air is convenient to circulate through the breathing nozzle 3 and the air outlet 4, lubricating oil is also prevented from being taken out of the oil box 1 in the air circulation process, the oil outlet 6 and the oil return port 7 are both located on the side surface of the oil box 1, and an oil pump is convenient to extract the lubricating oil and returns the lubricating oil to the oil box 1.

Processing has the internal thread on the inside wall of oil filler hole 5, and breathing nozzle 3 and oil filler hole 5 pass through linkage segment 8 to be connected, and linkage segment 8 sets up in the below of breathing nozzle 3 and is connected with breathing nozzle 3, and linkage segment 8 wears to establish in oil filler hole 5, and processing has the external screw thread with internal thread looks adaptation on the linkage segment 8. The breathing nozzle 3 is in threaded connection with the oil filling port 5, and when the breathing nozzle 3 is detached, lubricating oil can be added into the oil box 1 through the oil filling port 5. When the breathing nozzle 3 is arranged on the oil filling port 5, the breathing nozzle can be used as an air inlet channel to form an air circulation channel with the exhaust pipe 2, and the structure of the technology is simplified.

Example 2

As shown in fig. 1 to 3, in the oil storage device of the sewing machine, in embodiment 1, a vent hole 9 is formed in an upper end surface of a breathing nozzle 3, and the vent hole 9 is communicated with the inside of an oil box 1 through the breathing nozzle 3. When the lubricating oil flows, air flows through the breathing nozzle 3 through the vent hole 9 and enters the oil box 1, so that the air can conveniently enter the oil box 1 from the breathing nozzle 3.

The shape of the exhaust pipe 2 is hollow tube shape, the lower end of the exhaust pipe 2 is arranged in the exhaust port 4 in a penetrating way, and the height of the upper end part of the exhaust pipe 2 is higher than that of the upper end part of the breathing mouth 3. Make the upper end of blast pipe 2 far above the oil liquid level of lubricating oil, avoid lubricating oil to flow out from blast pipe 2, and the air that gets into in the oil box 1 by breathing mouth 3 passes through blast pipe 2 and discharges.

Example 3

A sewing machine, as shown in fig. 1 to 3, comprising the oil storage device of the sewing machine described above.

When the sewing machine oil box is in work, lubricating oil is pumped into the oil box 1 through the oil outlet 6 on the oil box 1 when the oil pump works, the lubricating oil flows through parts needing to be lubricated on the sewing machine and then enters the oil box 1 through the oil return opening 7, and in the flowing process of the lubricating oil, air outside the oil box 1 enters the oil box 1 through the breathing suction nozzle 3 and is discharged from the exhaust pipe 2.

The utility model relates to a sewing machine's oil storage device and sewing machine have following characteristics and advantage:

1. set up blast pipe 2 and breathing mouth 3 on oil box 1, breathing mouth 3, the inside of oil box 1, blast pipe 2 form the circulation channel of air, and when the lubricating oil flows, the atmospheric pressure in balanced oil box 1 avoids the lubricating oil in the oil box 1 to flow out oil box 1 under the effect of atmospheric pressure difference.

2. Breathe mouth 3 and oil filler hole 5 threaded connection, conveniently breathe the dismantlement and the installation of mouth 3, when breathing mouth 3 dismantles, can follow oil filler hole 5 to supply lubricating oil in the oil box 1, make the holistic structure of oil storage device compacter.

3. The breathing nozzle 3 is adopted to ensure that the air pressure in the oil box 1 is equal to the outside, and the oil cannot leak due to air pressure difference during high-speed circulation; another object of using the breath nozzle 3 is that the oil tank 1 may be shaken when it is installed in some sewing machines, and the breath nozzle 3 is installed in the oil tank 1 to prevent the lubricating oil from being thrown out.

4. The oil box 1 is arranged outside the machine shell, so that the pollution of the leakage of the lubricating oil to other positions is avoided.

Claims

1. Sewing machine's oil storage device, including oil box (1), its characterized in that: the breathing device is characterized by further comprising an exhaust pipe (2) and a breathing nozzle (3), wherein the oil box (1) is provided with an exhaust port (4) and an oil filling port (5) which are communicated with the inside of the oil box (1) respectively, the exhaust pipe (2) is installed on the exhaust port (4), and the breathing nozzle (3) is detachably installed on the oil filling port (5); the oil box (1) is also provided with an oil outlet (6) and an oil return port (7) which are respectively communicated with the inside of the oil box (1).

2. The oil storing device of a sewing machine according to claim 1, characterized in that: exhaust port (4) and oil filler hole (5) all set up in the top surface of oil box (1), and oil-out (6) and oil return opening (7) all set up in the side of oil box (1), and oil-out (6) set up in the lower extreme of oil box (1) side, and oil return opening (7) set up in the upper end of oil box (1) side.

3. The oil storing device of a sewing machine according to claim 1, characterized in that: processing has the internal thread on the inside wall of oil filler hole (5), exhales suction nozzle (3) and passes through linkage segment (8) with oil filler hole (5) and connect, and linkage segment (8) set up in exhaling the below of suction nozzle (3) and be connected with exhaling suction nozzle (3), and in linkage segment (8) worn to establish in oil filler hole (5), processing was gone up in linkage segment (8) has the external screw thread with internal thread looks adaptation.

4. The oil storing device of a sewing machine according to claim 1, characterized in that: the upper end surface of the breath suction nozzle (3) is provided with a vent hole (9), and the vent hole (9) is communicated with the inside of the oil box (1) through the breath suction nozzle (3).

5. The oil storing device of a sewing machine according to claim 1, characterized in that: the exhaust pipe (2) is in a hollow pipe shape, the lower end of the exhaust pipe (2) penetrates through the exhaust port (4), and the height of the upper end of the exhaust pipe (2) is higher than that of the upper end of the breathing nozzle (3).

6. A sewing machine characterized by: an oil storing device comprising the sewing machine according to any one of claims 1 to 5.