CN214422868U

CN214422868U - Sewing machine with novel oil box structure

Info

Publication number: CN214422868U
Application number: CN202120247365.XU
Authority: CN
Inventors: 阮孟定
Original assignee: Zhejiang Duma Sewing Machine Co ltd
Current assignee: Zhejiang Duma Sewing Machine Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-19
Anticipated expiration: 2031-01-28

Abstract

The utility model belongs to the technical field of the sewing machine, concretely relates to sewing machine with novel oil box structure, including the sewing machine bottom plate, install the main oil box and the vice oil box that are used for storing fluid in the sewing machine bottom plate respectively, main oil box is linked together through oil pipe and vice oil box, has seted up the atmospheric pressure balance hole in the vice oil box, and the edge in atmospheric pressure balance hole has frustum portion to extending in the vice oil box, the utility model discloses an increase the design of vice oil box, among the prior art compares, because its inside only is equipped with an oil box, the capacity ratio is smaller, and main oil box is linked together through oil pipe and vice oil box to the capacity that fluid was stored to the oil box in this device has been expanded, has reduced the number of times of refueling.

Description

Sewing machine with novel oil box structure

Technical Field

The utility model relates to a sewing machine technical field refers in particular to a sewing machine with novel oil box structure.

Background

In the prior art, an oil tank is usually disposed inside the sewing machine, and oil liquid for providing lubrication for the working components is stored in the oil tank.

For example, the chinese utility model, with patent No. CN2017212999608, discloses a thread cutting and presser foot lifting integrated device for a sewing machine, which comprises a motor arranged at the lower end of a sewing machine body and a presser foot lifting ejector rod capable of controlling the lifting of a presser foot assembly of the sewing machine; the lower end part of the sewing machine body is fixedly provided with an oil box, and a mandril through hole is reserved at the bottom of the oil box.

When needs transportation, can pour out the fluid in the oil box in advance, nevertheless in the transportation, sewing machine often can rock or be invertd for remaining fluid still can leak out through the atmospheric pressure balancing hole in the oil box, causes the pollution, consequently still need further improve its structure.

Disclosure of Invention

The utility model aims at providing a sewing machine with novel oil box structure, through the periphery at atmospheric pressure balancing hole extension frustum portion, solve the problem of easy oil leak.

The purpose of the utility model is realized like this: the utility model provides a sewing machine with novel oil box structure, includes the sewing machine bottom plate, installs the main oil box and the vice oil box that are used for storing fluid in the sewing machine bottom plate respectively, and main oil box is linked together through oil pipe and vice oil box, has seted up the atmospheric pressure balancing hole in the vice oil box, and the edge in atmospheric pressure balancing hole has the frustum portion to extending in the vice oil box.

Preferably, the air pressure balancing hole is arranged on the end face of the side, close to the bottom plate of the sewing machine, of the auxiliary oil box.

Preferably, the diameter of the frustum portion is gradually reduced from top to bottom, the upper end of the frustum portion is provided with the air pressure balance hole, the lower end of the frustum portion is provided with an oil inlet hole, and the diameter size of the air pressure balance hole is larger than that of the oil inlet hole.

Preferably, the two sides of the auxiliary oil box are respectively provided with a connecting part, the connecting part is provided with a first connecting hole for a fastener to pass through, the bottom plate of the sewing machine is provided with a fixed support, and the other end of the fixed support is connected with the connecting part through the fastener.

Preferably, the auxiliary oil box further comprises a pressing plate, a threaded hole is formed in the pressing plate, a second connecting hole is formed in the fixing support, and the fastening piece penetrates through the second connecting hole and the first connecting hole and then is screwed into the threaded hole, so that the auxiliary oil box is fixedly connected with the fixing support.

Preferably, the secondary oil tank is L-shaped.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses an increase the design of vice oil box, among the prior art compares, because its inside only is equipped with an oil box, the capacity ratio is smaller, and main oil box is linked together through oil pipe and vice oil box to expanded the capacity that fluid was stored to oil box in this device, reduced the number of times of refueling.

2. The utility model discloses a design of frustum portion even there is fluid to remain in vice oil box inside, after vice oil box is fallen, because frustum portion is higher than the terminal surface of vice oil box, fluid can be blocked by frustum portion, and can not flow from the atmospheric pressure balancing hole, and is more sanitary to the transportation.

3. The utility model discloses well frustum portion's diameter from top to bottom diminishes gradually, and the inlet port is located vice oil box, because the diameter size of inlet port is less than the diameter size in atmospheric pressure balance hole, consequently can further reduce the interior fluid of box and leak from the inlet port.

4. The utility model relates to an in order to increase the capacity of oil box, with the shape design of vice oil box for L shape, reduce and leave vacant space between vice oil box and the motor, be connected with into oil pipe and play oil pipe on the main oil box respectively, advance oil pipe and go out oil pipe and extend the inboard of end from vice oil box and pass through, both reduced occupation space, can make inside structure more succinct again.

Drawings

FIG. 1 is a schematic view showing the structure of a bottom plate of a sewing machine.

FIG. 2 is a schematic view of the structure of the auxiliary oil box and the bottom plate of the sewing machine.

Fig. 3 is a schematic structural diagram of the secondary oil tank.

Fig. 4 is a schematic bottom view of the auxiliary oil box.

Fig. 5 is a schematic sectional view of the structure at a-a in fig. 4.

Reference numerals: 1-sewing machine bottom plate; 2-main oil box; 3-auxiliary oil box; 4-oil pipe; 5-air pressure balancing holes; 6-a frustum portion; 7-oil injection cavity; 8-oil inlet hole; 9-a connecting part; 10, connecting a hole I; 11-a fixed support; 12-a fastener; 13-a platen; 14-connecting hole two; 15-a threaded hole; 16-an electric machine; 17-an oil inlet pipe; and 18-oil outlet pipe.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in figure 1, a sewing machine with novel oil box structure, including sewing machine bottom plate 1, install the main oil box 2 that is used for storing fluid in sewing machine bottom plate 1, in prior art, because its inside only is equipped with an oil box, the capacity ratio is smaller, needs often to refuel, and it is inconvenient to use, consequently the utility model discloses still install vice oil box 3 on the bottom plate, main oil box 2 is linked together through oil pipe 4 and vice oil box 3 to the capacity of oil box storage fluid in this device has been expanded, the number of times of refueling has been reduced.

Specifically looking at fig. 5, set up atmospheric pressure balancing hole 5 in vice oil box 3 to atmospheric pressure balancing hole 5's periphery is to extending to vice oil box 3 in has frustum portion 6, even there is fluid to remain in vice oil box 3 inside, after vice oil box 3 overturns, because frustum portion 6 is higher than the terminal surface of vice oil box 3, fluid can be blocked by frustum portion 6, and can not flow from atmospheric pressure balancing hole 5, and is more sanitary, so that the transportation.

Specifically, referring to fig. 5, an oil injection cavity 7 is formed in the frustum portion 6, an air pressure balance hole 5 is communicated with the inside of the auxiliary oil box 3 through the oil injection cavity 7 and an oil inlet hole 8, and the air pressure balance hole 5 is arranged on the end face of the auxiliary oil box 3 close to one side of the sewing machine bottom plate 1, as shown in fig. 3, when the auxiliary oil box 3 is placed right, even if the auxiliary oil box 3 is shaken, oil can be prevented from being splashed out from the air pressure balance hole 5.

Specifically, referring to fig. 5, the diameter of the frustum portion 6 is gradually reduced from top to bottom, the upper end of the frustum portion 6 is provided with the air pressure balance hole 5, the lower end of the frustum portion 6 is provided with an oil inlet hole 8, the oil inlet hole 8 is located in the auxiliary oil box 3, and since the diameter of the oil inlet hole 8 is smaller than the diameter of the air pressure balance hole 5, the leakage of oil in the box from the oil inlet hole 8 can be further reduced.

Referring to fig. 1 and 2, two sides of the auxiliary oil box 3 are respectively provided with a connecting portion 9, the connecting portion 9 is provided with a connecting hole 10 for a fastening piece 12 to pass through, the sewing machine bottom plate 1 is provided with a fixing support 11, and the other end of the fixing support 11 is connected with the connecting portion 9 through the fastening piece 12 so as to be convenient for disassembly and assembly.

Specifically, referring to fig. 2, in order to fix the oil tank more firmly, the oil tank further comprises a pressing plate 13, a threaded hole 15 is formed in the pressing plate 13, a second connecting hole 14 is formed in the fixing support 11, the fastening piece 12 penetrates through the second connecting hole 14 and the first connecting hole 10 and then is screwed into the threaded hole 15, the fixing support 11 and the pressing plate 13 are clamped on two end faces of the connecting portion 9, and therefore the auxiliary oil tank 3 is fixedly connected with the fixing support 11.

Specifically looking at fig. 1, still install motor 16 on sewing machine bottom plate 1, motor 16 sets up the one side at vice oil box 3, in order to increase the capacity of vice oil box 3, designs the shape of vice oil box 3 into L shape, reduces to leave the vacant space between vice oil box 3 and the motor 16, is connected with into oil pipe 17 and play oil pipe 18 on the main oil box 2 respectively, advances oil pipe 17 and goes out oil pipe 18 and passes through from the inboard of vice oil box 3 extension end, has both reduced occupation space, can make the structure of inside more succinct again.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewing machine with novel oil box structure which characterized in that: including sewing machine bottom plate (1), install main oil box (2) and vice oil box (3) that are used for storing fluid in sewing machine bottom plate (1) respectively, main oil box (2) are linked together through oil pipe (4) and vice oil box (3), have seted up atmospheric pressure balance hole (5) in vice oil box (3), and the edge in atmospheric pressure balance hole (5) extends frustum portion (6) to vice oil box (3).

2. The sewing machine with the novel oil box structure as claimed in claim 1, wherein: the air pressure balance hole (5) is formed in the end face, close to one side of the sewing machine bottom plate (1), of the auxiliary oil box (3).

3. The sewing machine with the novel oil box structure as claimed in claim 1, wherein: the diameter of the cone part (6) is gradually reduced from top to bottom, the upper end of the cone part (6) is provided with the air pressure balance hole (5), an oil inlet hole (8) is formed at the tip position of the cone part (6), and the diameter size of the air pressure balance hole (5) is larger than that of the oil inlet hole (8).

4. The sewing machine with the novel oil box structure as claimed in claim 1, wherein: the sewing machine is characterized in that connecting parts (9) are respectively arranged on two sides of the auxiliary oil box (3), a first connecting hole (10) for a fastener (12) to penetrate through is formed in each connecting part (9), a fixed support (11) is installed on the bottom plate (1) of the sewing machine, and the other end of each fixed support (11) is connected with the corresponding connecting part (9) through the corresponding fastener (12).

5. The sewing machine with the novel oil box structure as claimed in claim 4, wherein: the auxiliary oil box is characterized by further comprising a pressing plate (13), a threaded hole (15) is formed in the pressing plate (13), a second connecting hole (14) is formed in the fixing support (11), and a fastening piece (12) penetrates through the second connecting hole (14) and the first connecting hole (10) and then is screwed into the threaded hole (15), so that the auxiliary oil box (3) is fixedly connected with the fixing support (11).

6. The sewing machine with the novel oil box structure as claimed in claim 1, wherein: the auxiliary oil box (3) is L-shaped.