Sewing machine head oil blocking structure and sewing machine

Abstract

The utility model discloses a sewing machine head oil retaining structure and a sewing machine in the technical field of sewing machines, which comprise a machine shell, a dividing wall is arranged in an inner cavity of the machine shell and divides the inner cavity of the machine shell into a vertical cavity and a transverse cavity, a receding channel communicated with the vertical cavity and the transverse cavity is arranged on one longitudinal side of the dividing wall, and the vertical cavity is communicated with the transverse cavity through the receding channel. And a first oil baffle plate is mounted in the avoiding channel and is fixedly connected with the dividing wall. The double-oil-proof structure is adopted, the oil return function is achieved in cooperation with the landslide structure on the machine shell, lubricating oil can be effectively prevented from being accumulated and leaked at the head of the machine shell, it is guaranteed that no oil exists at the head of the sewing machine, and therefore sewn objects are prevented from being polluted, and sewing quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field, concretely relates to a sewing machine head oil retaining structure and sewing machine. BACKGROUND

[0002] There are many high-speed moving parts in the sewing machine, in order to improve the stability and durability of the sewing operation, the moving parts inside the sewing machine need to be lubricated.

[0003] In the sewing operation process, since the lubricating oil directly acts on the high-speed moving parts, so there will be the phenomenon of splashing lubricating oil, and there is part of the lubricating oil in the vertical chamber at the tail of the machine shell in the atomized state, the lubricating oil in the atomized state and the splashing lubricating oil are easy to enter the head of the machine shell through the horizontal chamber and accumulate, when the needle bar or the pressure bar moves up and down, the accumulated lubricating oil has the risk of leaking outward, and after the lubricating oil leaks, it will pollute the sewing material and affect the sewing quality. At the same time, when the machine head is turned over, the lubricating oil may also leak.

[0004] Therefore, how to prevent the lubricating oil from leaking from the sewing machine has become a technical problem to be solved by the person skilled in the art. SUMMARY

[0005] Therefore, the utility model aims at providing a sewing machine head oil retaining structure to solve the technical problem that the existing sewing machine is easy to leak lubricating oil.

[0006] The utility model employs the technical scheme that a sewing machine head oil retaining structure, including the machine shell, the inner chamber of machine shell is provided with the demarcation wall, the inner chamber of machine shell is divided into vertical chamber and horizontal chamber by demarcation wall, is provided with the avoidance passage of the vertical chamber and horizontal chamber on the longitudinal side of demarcation wall, the first oil retaining plate is installed in the avoidance passage, and the first oil retaining plate is fixedly connected with demarcation wall.

[0007] Preferably, the mounting rack is installed in the avoidance passage, the mounting rack includes the fixedly connected connecting plate and limiting plate, the connecting plate is located on the longitudinal side of the demarcation wall, and the connecting plate is fixedly connected with the demarcation wall, an L-shaped upper clamping plate is arranged above the connecting plate, one end of the L-shaped upper clamping plate is fixedly connected with the limiting plate, an L-shaped lower clamping plate is arranged below the connecting plate, one end of the L-shaped lower clamping plate is fixedly connected with the limiting plate, and the first oil retaining plate is clamped between the L-shaped upper clamping plate, the L-shaped lower clamping plate and the limiting plate.

[0008] Preferably, the first oil retaining plate is formed with a positioning groove matched with the L-shaped upper clamping plate and the L-shaped lower clamping plate.

[0009] Preferably, the edge of the first oil retaining plate abuts against the inner wall of the machine shell.

[0010] Preferably, a second oil baffle is arranged at one end of the transverse chamber close to the avoiding passage, and the edge of the second oil baffle is in abutment with the inner wall of the casing.

[0011] Preferably, an upper shaft sleeve is arranged on the partition wall, the second oil baffle is sleeved on the upper shaft, and the lateral side of the second oil baffle is in abutment with the upper shaft sleeve.

[0012] Preferably, a slope is formed at the bottom of the avoiding passage, the first oil baffle is located at the bottom end of the slope, and the second oil baffle is located at the top end of the slope.

[0013] Preferably, the slope extends below the second oil baffle.

[0014] Preferably, the material of the first oil baffle is polyethylene foam.

[0015] The second purpose of the utility model lies in providing a sewing machine comprising the above sewing machine head oil blocking structure.

[0016] The utility model has the advantages of:

[0017] The utility model discloses a first oil baffle is arranged in the avoiding passage between the vertical chamber and the transverse chamber of the sewing machine, a second oil baffle is arranged at one end of the transverse chamber close to the vertical chamber, the blocking effect of the first oil baffle to the splashing lubricating oil is cooperated with the double blocking effect of the first oil baffle and the second oil baffle to the atomized lubricating oil, the lubricating oil in the vertical chamber can be prevented from flowing into the transverse chamber, and then the lubricating oil can be prevented from gathering in the inner cavity of the casing head, the lubricating oil leakage phenomenon of the casing head can be effectively avoided, and the sewing quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the first visual angle structural schematic drawing of the sewing machine head oil blocking structure of the utility model;

[0019] Figure 2 It is the second visual angle structural schematic drawing of the sewing machine head oil blocking structure of the utility model;

[0020] Figure 3 It is the structural schematic drawing of the casing;

[0021] Figure 4 It is the three-dimensional schematic drawing of the fixed plate;

[0022] Figure 5 It is the three-dimensional schematic drawing of the first oil baffle;

[0023] Figure 6 It is the three-dimensional schematic drawing of the second oil baffle.

[0024] Mark explanation in drawing:

[0025] 10, housing; 11, partition wall; 12, vertical chamber; 13, horizontal chamber; 14, avoiding passage; 15, slope;

[0026] 20, first oil baffle; 21, positioning groove; 22, avoiding slot hole;

[0027] 30, mounting frame; 31, connecting plate; 32, limiting plate; 33, L-shaped upper clamping plate; 34, L-shaped lower clamping plate; 35, connecting hole;

[0028] 40, second oil baffle; 41, thimble hole; 42, mounting seam;

[0029] 50, upper shaft sleeve. DETAILED DESCRIPTION

[0030] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. These embodiments are only used to illustrate the present application, and are not a limitation on the present application.

[0031] In the description of the present application, it should be pointed out that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In addition, in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0034] Embodiments, such as Figures 1-6As shown, a sewing machine head oil-blocking structure includes a machine housing 10. A dividing wall 11 is provided in the inner cavity of the machine housing 10, which divides the inner cavity of the machine housing 10 into a vertical chamber 12 and a horizontal chamber 13. An avoidance channel 14 is provided on one longitudinal side of the dividing wall 11, which connects the vertical chamber 12 and the horizontal chamber 13. A first oil-blocking plate 20 is installed in the avoidance channel 14, and the first oil-blocking plate 20 is fixedly connected to the dividing wall 11.

[0035] This invention features a first oil baffle 20 installed in the clearance channel 14 between the vertical chamber 12 and the horizontal chamber 13 of a sewing machine. By blocking splashed and atomized lubricating oil, the first oil baffle 20 prevents the lubricating oil in the vertical chamber 12 from flowing into the horizontal chamber 13, thereby preventing the lubricating oil from accumulating in the inner cavity of the head of the machine housing 10 (the end of the horizontal chamber 13 away from the vertical chamber 12). This effectively avoids lubricating oil leakage at the head of the machine housing 10 and ensures sewing quality.

[0036] It should be noted that in this utility model, the horizontal direction refers to... Figure 1 In this context, the X-axis direction and the longitudinal direction refer to... Figure 1 The Y-axis direction, the vertical direction refers to Figure 1 The Z-axis direction in the equation.

[0037] Specific embodiment 1, such as Figures 1-6 As shown, a sewing machine head oil-blocking structure includes a machine housing 10 and a first oil-blocking plate 20.

[0038] A dividing wall 11 is provided in the inner cavity of the housing 10. The dividing wall 11 is integrally formed in the inner cavity of the housing 10 along the vertical direction, and the dividing wall 11 divides the inner cavity of the housing 10 into a vertical chamber 12 and a horizontal chamber 13, that is, in Figure 3 In the middle, the left side of the dividing wall 11 is a vertical chamber 12, and the right side of the dividing wall 11 is a horizontal chamber 13.

[0039] An avoidance channel 14 is provided on one longitudinal side of the dividing wall 11. The avoidance channel 14 is arranged parallel to the dividing wall 11, and the left end of the avoidance channel 14 is connected to the vertical chamber 12, and the right end of the avoidance channel 14 is connected to the transverse chamber 13. That is, the top and bottom ends of the dividing wall 11 are sealed to the inner wall of the housing 10, one longitudinal end of the dividing wall 11 is sealed to the inner wall of the housing 10, and the other longitudinal end of the dividing wall 11 is spaced apart from the inner wall of the housing 10 so that an avoidance channel 14 is formed between the dividing wall 11 and the inner wall of the housing.

[0040] A first oil baffle 20 is installed in the clearance passage 14. The first oil baffle 20 is arranged in the vertical direction and is fixedly connected to the dividing wall 11.

[0041] It should be noted that: in order to ensure the normal operation of sewing, a plurality of avoiding grooves 22 are formed on the first oil baffle 20, such as an avoiding groove for avoiding the rear lever of the presser foot and an avoiding groove for avoiding the oil supply pipe of the upper shaft.

[0042] Specifically, the fixed connection of the first oil baffle 20 and the partition wall 11 is realized as follows:

[0043] An installation frame 30 is installed in the avoiding channel 14, the installation frame 30 includes a fixedly connected connecting plate 31 and a limiting plate 32, the connecting plate 31 extends in the transverse direction, the limiting plate 32 extends in the longitudinal direction, and the left end of the connecting plate 31 is fixedly connected with one end of the limiting plate 32 perpendicularly. The connecting plate 31 is located on the longitudinal side of the partition wall 11, and a plurality of connecting holes 35 are formed on the connecting plate 31, and fastening screws are installed in the connecting holes 35 to fixedly connect the connecting plate 31 and the partition wall 11 through the fastening screws.

[0044] An L-shaped upper clamping plate 33 is arranged above the connecting plate 31, the L-shaped upper clamping plate 33 is arranged at a distance from the connecting plate 31, the L-shaped upper clamping plate 33 includes a transverse portion and a longitudinal portion fixedly connected perpendicularly, the longitudinal portion is located on the right side of the limiting plate 32, one end of the transverse portion is fixedly connected with the longitudinal portion perpendicularly, and the other end of the transverse portion is fixedly connected with the limiting plate 32 perpendicularly; an L-shaped lower clamping plate 34 is arranged below the connecting plate 31, one end of the L-shaped lower clamping plate 34 (the structure of the L-shaped lower clamping plate 34 is the same as that of the L-shaped upper clamping plate 33) is fixedly connected with the limiting plate 32, the top of the first oil baffle 20 is clamped and fixed between the L-shaped upper clamping plate 33 and the limiting plate 32, and the bottom of the first oil baffle 20 is clamped and fixed between the L-shaped lower clamping plate 34 and the limiting plate 32, so that the first oil baffle 20 can be quickly fixedly connected with the partition wall 11.

[0045] Preferably, positioning grooves 21 are formed on the first oil baffle 20 to cooperate with the L-shaped upper clamping plate 33 and the L-shaped lower clamping plate 34, that is, a positioning groove 21 is formed on the top of the first oil baffle 20 to cooperate with the L-shaped upper clamping plate 33, and a positioning groove 21 is formed on the middle and lower part of the first oil baffle 20 to cooperate with the L-shaped lower clamping plate 34, so as to realize the quick positioning and fixing of the first oil baffle 20.

[0046] More preferably, the edge of the first oil baffle 20 abuts (interference fit) with the inner wall of the machine shell 10.

[0047] Still more preferably, the first oil baffle 20 is an oil cotton plate, and the material of the first oil baffle 20 is polyethylene foam.

[0048] Specific embodiment 2, as shown in the figure, a sewing machine head oil baffle structure, including a machine shell 10, a first oil baffle 20 and a second oil baffle 40. Figures 1-6 ​

[0049] A partition wall 11 is arranged in the inner cavity of the casing 10, which is integrally formed in the inner cavity of the casing 10 in the vertical direction, and the partition wall 11 separates the inner cavity of the casing 10 into a vertical chamber 12 and a horizontal chamber 13.

[0050] An avoidance passage 14 is arranged on the longitudinal side of the partition wall 11, the left end of the avoidance passage 14 communicates with the vertical chamber 12, and the right end of the avoidance passage 14 communicates with the horizontal chamber 13.

[0051] A first oil baffle 20 is installed in the avoidance passage 14, which is arranged in the vertical direction and fixedly connected with the partition wall 11, so as to prevent the lubricating oil at the tail end of the casing 10 from accumulating at the head of the casing 10 through the blocking effect of the first oil baffle 20.

[0052] A second oil baffle 40 is installed at one end of the horizontal chamber 13 close to the avoidance passage 14, and the edge of the second oil baffle 40 abuts against the inner wall of the casing 10, so as to effectively block the splashing and accumulation of lubricating oil through the double blocking effect of the first oil baffle 20 and the second oil baffle 40.

[0053] Specifically, the fixed connection of the second oil baffle 40 with the casing 10 is realized as follows:

[0054] An installation hole is formed on the partition wall 11, an upper shaft sleeve 50 is installed in the installation hole, a knot hole 41 is formed on the second oil baffle 40, and an installation slot 42 connected with the knot hole 41 is formed on the second oil baffle 40, which is used to install the second oil baffle 40 on the upper shaft, and the transverse side of the second oil baffle 40 abuts against the upper shaft sleeve 50.

[0055] Preferably, a slope 15 is formed at the bottom of the avoidance passage 14, the first oil baffle 20 is located at the bottom end of the slope 15, and the second oil baffle 40 is located at the top end of the slope 15, that is, from the first oil baffle 20 to the second oil baffle 40, the slope height of the slope 15 gradually increases, and the gap between the bottom end of the first oil baffle 20 and the inner wall of the casing 10 is matched, so that the lubricating oil between the first oil baffle 20 and the second oil baffle 40 can flow back to the vertical chamber 12.

[0056] More preferably, the second oil baffle 40 is an oil cotton board, and the material of the second oil baffle 40 is polyethylene foam; the slope 15 extends below the second oil baffle 40, so as to axially limit the second oil baffle 40 through the slope 15 and the upper shaft sleeve 50.

[0057] Embodiment, a sewing machine comprising the above-mentioned sewing machine head oil blocking structure.

[0058] The use process of the tool is as follows:

[0059] When the sewing machine is in normal operation, the first oil baffle is located close to the moving parts in the vertical chamber, and can block the lubricating oil splashed on the moving parts, and the second oil baffle plays a double protection role, and blocks the lubricating oil coming through the first oil baffle.

[0060] Compared with the prior art, the application has at least the following beneficial technical effects:

[0061] The double oil-proof structure is combined with the landslide structure on the machine shell to realize the oil return function, effectively prevents the accumulation and leakage of lubricating oil at the head of the machine shell, ensures that the head of the sewing machine is oil-free, avoids the pollution of the sewing object, and improves the sewing quality; meanwhile, the double oil-proof structure can also play an oil isolation role when the machine is overturned, effectively prevents the leakage of lubricating oil, and further enhances the reliability and cleanliness of the equipment.

[0062] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the utility model, and these improvements and replacements should also be regarded as the protection range of the utility model.

Claims

1. A sewing machine head oil blocking structure, characterized by, The machine shell (10) is provided with a partition wall (11) in the inner cavity, which separates the inner cavity of the machine shell (10) into a vertical cavity (12) and a horizontal cavity (13), and an avoidance channel (14) is arranged on the longitudinal side of the partition wall (11) to communicate the vertical cavity (12) and the horizontal cavity (13), and a first oil baffle (20) is installed in the avoidance channel (14) and fixedly connected with the partition wall (11).

2. The head oil blocking structure of a sewing machine according to claim 1, wherein The avoidance channel (14) is provided with a mounting rack (30), which comprises a connecting plate (31) and a limiting plate (32) fixedly connected vertically, the connecting plate (31) is located on the longitudinal side of the partition wall (11) and fixedly connected with the partition wall (11); an L-shaped upper clamping plate (33) is arranged above the connecting plate (31), one end of the L-shaped upper clamping plate (33) is fixedly connected with the limiting plate (32), an L-shaped lower clamping plate (34) is arranged below the connecting plate (31), one end of the L-shaped lower clamping plate (34) is fixedly connected with the limiting plate (32), and the first oil baffle (20) is clamped between the L-shaped upper clamping plate (33), the L-shaped lower clamping plate (34) and the limiting plate (32).

3. The head oil containment structure of claim 2, wherein, The first oil baffle (20) is formed with a positioning groove (21) matched with the L-shaped upper clamping plate (33) and the L-shaped lower clamping plate (34).

4. The head oil containment structure of claim 2, wherein, The edge of the first oil baffle (20) abuts against the inner wall of the machine shell (10).

5. The head oil containment structure of claim 1, wherein, A second oil baffle (40) is installed at one end of the horizontal cavity (13) close to the avoidance channel (14), and the edge of the second oil baffle (40) abuts against the inner wall of the machine shell (10).

6. The head oil containment structure of claim 5, wherein, An upper shaft sleeve (50) is installed on the partition wall (11), the second oil baffle (40) is sleeved on the upper shaft, and the lateral side of the second oil baffle (40) abuts against the upper shaft sleeve (50).

7. The head oil containment structure of claim 5, wherein, The bottom of the avoidance channel (14) is formed with a slope (15), the first oil baffle (20) is located at the bottom end of the slope (15), and the second oil baffle (40) is located at the top end of the slope (15).

8. The head oil containment structure of claim 7, wherein, The slope (15) extends below the second oil baffle (40).

9. The head oil containment structure of claim 8, wherein, The first oil baffle (20) and the second oil baffle (40) are oil cotton plates.

10. The head oil containment structure of claim 9, wherein, The material of the first oil baffle (20) and the second oil baffle (40) is polyethylene foam.

11. A sewing machine characterized by comprising: The sewing machine head oil baffle structure of any one of claims 1-10 is included. The sewing machine head oil baffle structure of any one of claims 1-10 is included.

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