Low-cost oil pan of sewing machine

Abstract

The utility model discloses a low-cost sewing machine oil pan which comprises an oil pan body, a leakage hole formed in the bottom of the oil pan body, a connecting pipe and a connector, the connecting pipe and the connector are fixedly connected to the lower end of the oil pan body, the connector is arranged on the outer side of the connecting pipe in a sleeved mode, and a hose is fixedly connected to the lower end of the connector. A filter screen is arranged between the connector and the connecting pipe, sealing rings and connecting plates are arranged between the connector and the filter screen and between the filter screen and the connecting pipe in an attached mode, the connecting plates are connected to the middle of the fixing plate in an inserted mode, and the connecting plates and the fixing plate are limited through protruding blocks and positioning mechanisms. According to the low-cost oil pan of the sewing machine, the filter screen is arranged in the connector, so that recycled lubricating oil can be filtered, the situation that chippings in the lubricating oil enter the sewing machine to cause abrasion of the sewing machine when the lubricating oil is recycled is prevented, the filter screen and filtered impurities can be conveniently detached and cleaned, and blockage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field related to sewing machine oil pans, in particular to a low-cost sewing machine oil pan. Background Art

[0002] Industrial sewing machine is a kind of sewing equipment specially used for production and processing of clothing, bags, shoes and hats and other industries. It is usually driven by electric motors and has high production efficiency and excellent sewing quality. The oil pan of the sewing machine is one of the components of the industrial sewing machine. The oil pan is installed under the head of the sewing machine. After use, the oil in the head will flow into the oil pan along the oil return hole. The oil is collected through the oil pan, and the oil collected in the oil pan is re-entered into the sewing machine head for lubrication through the oil pump, so as to achieve the effect of recycling;

[0003] With reference to Chinese patent authorization announcement number CN207659649U, the authorization announcement date is 2018.07.27, which discloses a sewing machine oil pan, including an oil pan and an oil storage box arranged on the sewing machine body, an oil receiving chamber is arranged in the oil pan, the oil storage box is arranged below the oil pan and has an oil storage chamber, and a first oil discharge part and a second oil discharge part respectively connected with the oil storage chamber are arranged in the oil receiving chamber; at least two suction pipe oil nozzles are also arranged in the oil receiving chamber, and the suction pipe oil nozzles are both connected with the oil storage chamber; the suction pipe oil nozzles include at least one first suction pipe oil nozzle, so that the oil in the oil storage chamber is transported into the machine body through the first suction pipe oil nozzle, and at least one second suction pipe oil nozzle, so that the oil in the machine body is recovered to the oil storage chamber through the second suction pipe oil nozzle; the first and second oil discharge parts are respectively arranged at the bottom of the groove, and the groove is provided with oil felt covering the first and second oil discharge parts. The utility model has the advantages of easy concentration of oil, good storage effect, not easy to contaminate sewing materials, and long service life of oil;

[0004] However, in the prior art, there are problems that during the use of the sewing machine, some debris and other impurities may not enter the oil pan, causing contamination of the lubricating oil, affecting the quality of the lubricating oil, making it inconvenient to filter the recycled lubricating oil, and the reuse of the contaminated lubricating oil may even cause wear and damage to the sewing machine. For example, the comparative patents listed above have this problem;

[0005] Therefore, we propose a low-cost sewing machine oil pan to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a low-cost sewing machine oil pan to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: a low-cost sewing machine oil pan, comprising an oil pan body, a leakage hole opened at the bottom of the oil pan body, and a connecting pipe fixedly connected to the lower end of the oil pan body;

[0008] Also includes:

[0009] A connector, the connector is sleeved on the outside of the connecting pipe, a hose is fixedly connected to the lower end of the connector, a filter is provided between the connector and the connecting pipe, and sealing rings are fitted between the connector and the filter, and between the filter and the connecting pipe;

[0010] The connecting plate is plugged into the middle of the fixed plate, and the connecting plate and the fixed plate are limited by a protrusion and a positioning mechanism, and the connecting plate is fixedly connected to the side of the connecting head, and the connecting plate drives the connecting head to form a disassembly structure at the lower end of the connecting pipe.

[0011] Preferably, a mounting hole is provided at the edge of the upper end of the oil pan body, and a sealing gasket is provided at the upper end of the oil pan body.

[0012] Preferably, the connecting plate is fitted on the right end of the oil pan body, and a protrusion is fixedly connected to the side surface of the connecting plate.

[0013] Preferably, the protrusion is connected to the fixing plate by a slot, and the fixing plate is fixedly connected to the right end of the oil pan body.

[0014] Preferably, the positioning mechanism includes a fixed ring for limiting, a movable block fixedly connected to the front and rear ends of the fixed ring, a fixed cylinder sleeved on the outside of the movable block, and a spring arranged between the fixed cylinder and the movable block.

[0015] Preferably, the fixing ring is sleeved on the outer surface of the protrusion, and the fixing ring drives the movable block and the fixing tube to form a left-right sliding structure, and the fixing tube is fixedly connected to the front and rear ends of the fixing plate respectively.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the low-cost sewing machine oil pan can filter the recycled lubricating oil by providing a filter screen inside the connector, thereby preventing debris in the lubricating oil from entering the sewing machine when the lubricating oil is reused and causing the sewing machine to wear out; and the sealing effect of the connection is improved by providing a sealing pad and a sealing ring, thereby preventing the lubricating oil from leaking; and the filter screen and the filtered impurities can be easily disassembled and cleaned by providing a connecting plate, a fixing plate, a convex block and a positioning mechanism, thereby preventing blockage;

[0017] 1. A sealing gasket and a sealing ring are provided. The sealing gasket is fitted between the oil pan body and the sewing machine, and the sealing ring is fitted between the connecting pipe, the connecting head and the filter screen, thereby improving the sealing effect of the connection and preventing the leakage of lubricating oil;

[0018] 2. A connector and a filter are provided. The connector is sleeved at the lower end of the connecting pipe, and a filter is provided inside the connector, so that the circulating lubricating oil can be filtered to prevent debris in the lubricating oil from causing wear to the sewing machine during circulation;

[0019] 3. A connecting plate, a fixing plate, a convex block and a positioning mechanism are provided. The setting of the connecting plate, the fixing plate, the convex block and the positioning mechanism facilitates the disassembly of the connecting head and the connecting pipe, thereby facilitating the cleaning of the filter screen and the filtered debris to prevent clogging. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the top view of the oil pan body, mounting hole, sealing gasket and leakage hole connection of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0023] Figure 4 This is a schematic diagram of the front view and section structure of the connection pipe, the connection head, the filter screen and the sealing ring of the utility model;

[0024] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 6 This is a schematic diagram of the overall structure of the connection plate, the fixing plate and the protrusion of the utility model;

[0026] Figure 7 It is a schematic diagram of the connection and section structure of the fixing ring, the movable block and the fixing cylinder of the utility model.

[0027] In the figure: 1. oil pan body; 2. mounting hole; 3. sealing gasket; 4. leakage hole; 5. connecting pipe; 6. connecting head; 7. hose; 8. filter screen; 9. sealing ring; 10. connecting plate; 11. fixing plate; 12. bump; 13. positioning mechanism; 14. fixing ring; 15. movable block; 16. fixing cylinder; 17. spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-7 The utility model provides a technical solution: a low-cost sewing machine oil pan, including an oil pan body 1, a mounting hole 2, a sealing gasket 3, a leakage hole 4, a connecting pipe 5, a connecting head 6, a hose 7, a filter screen 8, a sealing ring 9, a connecting plate 10, a fixing plate 11, a protrusion 12, a positioning mechanism 13, a fixing ring 14, a movable block 15, a fixing cylinder 16 and a spring 17.

[0030] When using this low-cost sewing machine oil pan, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a mounting hole 2 is provided at the edge of the upper end of the oil pan body 1, and a sealing gasket 3 is provided at the upper end of the oil pan body 1. The sealing gasket 3 is fitted between the oil pan body 1 and the sewing machine to improve the sealing effect of the connection between the oil pan body 1 and the sewing machine to prevent oil leakage. The oil pan body 1 is fixed to the corresponding position below the head of the sewing machine by bolts, and the lubricating oil flows into the oil pan body 1 for collection, and the collected lubricating oil is pumped in through an oil pump connected to a hose 7 below, and the lubricating oil is pumped back into the sewing machine head through the leakage hole 4, the connecting pipe 5, the connecting head 6 and the hose 7 for circulation and reuse;

[0031] Moreover, a filter screen 8 is arranged in the connector 6, and the filter screen 8 is arranged to facilitate filtering of the recycled lubricating oil, and debris and impurities in the lubricating oil of the textile machine enter the machine head to cause wear and damage, and the sealing ring 9 is arranged between the connecting pipe 5, the connector 6 and the filter screen 8, thereby improving the sealing effect of the connection and preventing oil leakage, and the entire oil pan body 1 is a plastic part injection molding design, replacing the traditional metal parts, reducing the production and use costs;

[0032] When the use is finished, Figure 5 , Figure 6 and Figure 7As shown, the positioning mechanism 13 includes a fixed ring 14 for limiting, a movable block 15 fixedly connected to the front and rear ends of the fixed ring 14, a fixed cylinder 16 sleeved on the outside of the movable block 15, and a spring 17 arranged between the fixed cylinder 16 and the movable block 15. By pulling the fixed ring 14, the fixed ring 14 drives the movable block 15 to slide in the fixed cylinder 16, and the movable block 15 squeezes the spring 17, so that the spring 17 undergoes elastic deformation, and the fixed ring 14 disengages from the protrusion 12, thereby releasing the limit between the connecting plate 10 and the fixed plate 11, and then the connecting plate 10 is pulled downward, the connecting plate 10 is pulled out of the fixed plate 11, and the connecting plate 10 drives the protrusion 12 to disengage from the fixed plate 11, thereby driving the connector 6 to be removed from the lower end of the connecting pipe 5, thereby facilitating the disassembly and cleaning of the filter screen 8 and the filtered debris and impurities to prevent blockage.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-cost sewing machine oil pan, comprising an oil pan body (1), a leakage hole (4) provided at the bottom of the oil pan body (1), and a connecting pipe (5) fixedly connected to the lower end of the oil pan body (1); It is characterized in that Also includes: A connector (6), the connector (6) being sleeved on the outside of the connecting pipe (5), and the lower end of the connector (6) being fixedly connected to a hose (7), and a filter screen (8) being provided between the connector (6) and the connecting pipe (5), and a sealing ring (9) being fitted between the connector (6) and the filter screen (8) and between the filter screen (8) and the connecting pipe (5); A connecting plate (10) is inserted into the middle of the fixing plate (11), and the connecting plate (10) and the fixing plate (11) are limited by a protrusion (12) and a positioning mechanism (13), and the connecting plate (10) is fixedly connected to the side of the connecting head (6), and the connecting plate (10) drives the connecting head (6) to form a disassembly structure at the lower end of the connecting pipe (5).

2. A low-cost sewing machine oil pan according to claim 1, characterized in that: A mounting hole (2) is provided at the edge of the upper end of the oil pan body (1), and a sealing gasket (3) is provided at the upper end of the oil pan body (1).

3. A low-cost sewing machine oil pan according to claim 1, characterized in that: The connecting plate (10) is arranged in close contact with the right end of the oil pan body (1), and a protrusion (12) is fixedly connected to the side surface of the connecting plate (10).

4. A low-cost sewing machine oil pan according to claim 1, characterized in that: The protrusion (12) is connected to the fixing plate (11) via a slot, and the fixing plate (11) is fixedly connected to the right end of the oil pan body (1).

5. A low-cost sewing machine oil pan according to claim 1, characterized in that: The positioning mechanism (13) comprises a fixed ring (14) for limiting position, a movable block (15) fixedly connected to the front and rear ends of the fixed ring (14), a fixed cylinder (16) sleeved on the outside of the movable block (15), and a spring (17) arranged between the fixed cylinder (16) and the movable block (15).

6. A low-cost sewing machine oil pan according to claim 5, characterized in that: The fixing ring (14) is sleeved on the outer surface of the protruding block (12), and the fixing ring (14) drives the movable block (15) and the fixing cylinder (16) to form a left-right sliding structure, and the fixing cylinder (16) is respectively fixedly connected to the front and rear ends of the fixing plate (11).

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