Heat dissipation type sewing machine shell

Abstract

A heat dissipation type sewing machine shell comprises a main shell body and an end shell body, the end shell body is detachably connected to the main shell body, a heat dissipation hole is formed in the end shell body, a heat dissipation cover is arranged on the heat dissipation hole, a fan impeller is coaxially and rotationally connected to the heat dissipation cover, a dust cover is fixedly connected to the end, away from the main shell body, of the heat dissipation cover, and the dust cover is fixedly connected to the end, away from the main shell body, of the heat dissipation cover. The heat dissipation cover and the dust cover jointly wrap the fan impeller, the end, away from the dust cover, of the heat dissipation cover in the axis direction is coaxially and rotationally connected with an air guide disc, and the air guide disc can guide blown air in multiple directions. When the fan impeller rotates, air is blown into the heat dissipation holes, namely, heat dissipation is conducted on the inner cavity of the main shell, the air direction can be changed through the air guide disc, outlet air is blown to all angles of the inner cavity of the main shell, uniform heat dissipation is conducted on the inner cavity of the main shell, and therefore the overall heat dissipation performance of the sewing machine shell is improved.

Description

Technical Field

[0001] The utility model relates to the field of sewing machine housings, in particular to a heat dissipation type sewing machine housing. Background Art

[0002] Electric sewing machines are the mainstream of existing industrial or civilian sewing machines. They have electric motors and electronic control devices. Electric sewing machines are the most common sewing equipment in households and industries. They use electric drive and can quickly complete sewing, splicing, and repairing of clothing.

[0003] The utility model with announcement number CN207003005U discloses an electric control housing installation structure of a sewing machine, wherein a base plate is fixedly installed on the front side of the sewing machine body, an electric control housing is installed on the base plate, a motor is installed in the electric control housing, and the motor is connected to the main shaft of the sewing machine body; the base plate is attached to the front end surface of the sewing machine body and connected as a whole by bolts.

[0004] The sewing machine housing, motor and various motion mechanisms in the above technical solution are directly installed in the closed cavity formed by the housing. During the long-term sewing operation, the motor and other parts will generate a lot of heat. The temperature inside the housing is too high, which may cause the housing to deform and crack. The above technical solution focuses on the poor heat dissipation effect of the sewing machine housing, which needs to be improved. Utility Model Content

[0005] In order to improve the heat dissipation of a sewing machine housing, the present application provides a heat dissipation type sewing machine housing.

[0006] The heat dissipation type sewing machine housing provided in the present application adopts the following technical solution:

[0007] A heat dissipation sewing machine housing comprises a main housing and an end housing, wherein the end housing is detachably connected to the main housing, a heat dissipation hole is opened on the end housing, a heat dissipation cover is provided on the heat dissipation hole, a fan impeller is coaxially and rotatably connected to the heat dissipation cover, an end of the heat dissipation cover away from the main housing is fixedly connected to a dust cover, the heat dissipation cover and the dust cover together wrap the fan impeller, an end of the heat dissipation cover away from the dust cover in the axial direction is coaxially and rotatably connected to an air guide plate, and the air guide plate can guide the blowing air in multiple directions.

[0008] By adopting the above technical solution, when the fan impeller rotates, air is blown into the heat dissipation hole, that is, the inner cavity of the main shell is cooled. The wind direction can be changed by the air guide plate so that the air is blown to various angles of the inner cavity of the main shell, and the inner cavity of the main shell is evenly cooled, thereby improving the overall heat dissipation of the sewing machine shell.

[0009] Preferably, the air guide plate includes a connecting ring and a plurality of guide bars, the connecting slide is rotatably connected to the heat dissipation cover along the axial direction of the heat dissipation cover, the plurality of guide bars are respectively fixedly connected to the connecting ring and evenly distributed along the circumferential side of the connecting ring, and the plurality of guide bars are inclinedly arranged from one end close to the fan impeller to the end away from the fan impeller.

[0010] By adopting the above technical solution, when the fan impeller rotates, the wind hits the guide grid when passing through the air guide plate, so that the wind pushes the guide grid and causes the air guide plate to rotate; and the wind passing through the guide grid is guided so that after entering the guide grid, the wind does not blow directly in one direction, but can dissipate heat in multiple directions to the inner cavity of the main shell, thereby improving the overall heat dissipation of the sewing machine shell.

[0011] Preferably, the plurality of guide gratings are arranged in an arc shape from a side close to the connecting ring to a side far away from the connecting ring, and the curvatures of the plurality of guide gratings are slightly different.

[0012] By adopting the above technical solution, by making the curvatures of multiple guide grilles different, the wind is directed differently when passing through each guide grille, so that the air guide plate can guide the wind in multiple directions. After the wind passes through the guide grille, it does not blow directly in a single direction, but can dissipate heat in multiple directions to the inner cavity of the main shell, thereby improving the overall heat dissipation of the sewing machine shell.

[0013] Preferably, a plurality of ventilation holes are provided on the bottom side of the side surface of the main shell.

[0014] By adopting the above technical solution, the provision of the ventilation holes allows the air in the main shell to circulate, so that the wind can enter from the heat dissipation holes and then flow out from the ventilation holes.

[0015] Preferably, the plurality of ventilation holes are arranged in a ring shape, and the plurality of ventilation holes are arranged in a gradually expanding shape from a side close to the inner cavity of the main shell to a side far away from the inner cavity of the main shell.

[0016] By adopting the above technical solution, the air circulation is improved, the airflow of the vents is dispersed, and the possibility of direct airflow of the vents is reduced.

[0017] Preferably, a plurality of heat conducting plates are provided inside the main shell, and when the motor of the sewing machine is installed in the shell, the plurality of heat conducting plates are respectively in contact with the motor of the sewing machine.

[0018] By adopting the above technical solution, by making the heat conducting plate abut against the motor, the heat generated by the motor during operation can be conducted through the heat conducting plate and conducted to the main housing for heat dissipation, thereby reducing the possibility of motor overheating and improving the overall heat dissipation of the sewing machine housing; and multiple heat conducting plates play a positioning role in the installation of the motor, facilitating the installation of the motor.

[0019] Preferably, a plurality of heat-conducting plates are respectively provided with a plurality of heat-dissipating fins.

[0020] By adopting the above technical solution, the heat dissipation area of ​​the heat conducting plate is increased, thereby improving the heat dissipation of the entire sewing machine housing.

[0021] The technical effects of this utility model are mainly reflected in the following aspects:

[0022] 1. The utility model provides an air guide plate. When the fan impeller rotates, air is blown into the heat dissipation hole, that is, the inner cavity of the main housing is cooled. The air guide plate can change the wind direction so that the air blows to various angles of the inner cavity of the main housing, and the inner cavity of the main housing is cooled uniformly, so as to improve the heat dissipation of the sewing machine housing as a whole.

[0023] 2. The utility model provides ventilation holes, which allow air in the main housing to circulate, so that wind can flow out from the ventilation holes after entering through the heat dissipation holes;

[0024] 3. The utility model sets a heat-conducting plate and makes it abut against the motor. By making the heat-conducting plate abut against the motor, the heat generated by the motor during operation can be conducted through the heat-conducting plate and conducted to the main housing for heat dissipation, thereby reducing the possibility of overheating of the motor and improving the overall heat dissipation of the sewing machine housing; and the multiple heat-conducting plates play a positioning role in the installation of the motor, which is convenient for the installation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the ventilation hole structure of an embodiment of the present application.

[0027] Figure 3 It is a schematic diagram of the end shell structure of an embodiment of the present application.

[0028] Figure 4 It is a schematic diagram of the main shell structure of an embodiment of the present application.

[0029] Explanation of the reference numerals: 1. main shell; 11. ventilation hole; 12. heat conduction plate; 13. cooling fin; 2. end shell; 21. heat dissipation hole; 22. heat dissipation cover; 23. fan impeller; 24. dust cover; 241. air inlet; 25. air guide plate; 251. connecting ring; 252. guide grille. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 The present application is further described in detail to make the technical solution of the present application easier to understand and grasp.

[0031] The embodiment of the present application discloses a heat dissipation type sewing machine housing.

[0032] Reference Figure 1-Figure 3 A heat dissipation sewing machine housing of the present embodiment includes a main housing 1 and an end housing 2. The end housing 2 can be detachably connected to the main housing 1 by multiple bolts. One end of the multiple bolts passes through the end housing 2 and is threadedly connected to the main body. A heat dissipation hole 21 is provided on the end housing 2. A heat dissipation cover 22 is coaxially and fixedly connected to the side surface of the heat dissipation hole 21 away from the main housing 1. A fan impeller 23 is coaxially and rotatably connected to the heat dissipation cover 22. A dust cover 24 is fixedly connected to the end of the heat dissipation cover 22 away from the main housing 1. A plurality of air inlets 241 are provided on the dust cover 24. The heat dissipation cover 22 and the dust cover 24 together wrap the fan impeller 23. An end of the heat dissipation cover 22 away from the dust cover 24 in the axial direction is coaxially and rotatably connected to an air guide plate 25. The air guide plate 25 can guide the blowing air in multiple directions. When the fan impeller 23 rotates, air is blown into the heat dissipation hole 21, that is, the inner cavity of the main shell 1 is cooled. The wind direction can be changed by the air guide plate 25 so that the air is blown to various angles of the inner cavity of the main shell 1, and the inner cavity of the main shell 1 is evenly cooled, so as to improve the overall heat dissipation of the sewing machine shell.

[0033] Reference Figure 1-Figure 3 The air guide plate 25 includes a connecting ring 251 and a plurality of guide bars 252. The connecting ring 251 is connected to the heat dissipation cover 22 by rotating along the axis direction of the heat dissipation cover 22. The plurality of guide bars 252 are respectively fixedly connected to the connecting ring 251 and evenly distributed along the circumferential side of the connecting ring 251. The plurality of guide bars 252 are inclinedly arranged from one end close to the fan impeller 23 to the end away from the fan impeller 23. When the fan impeller 23 rotates, the wind hits the guide bars 252 when passing through the air guide plate 25, so that the wind pushes the guide bars 252 to rotate the air guide plate 25; when the air guide plate 25 rotates, the air can be guided in to increase the air volume. The plurality of guide bars 252 are arranged in an arc shape from the side close to the connecting ring 251 to the side away from the connecting ring 251, and the curvature of the plurality of guide bars 252 is slightly different. By making the curvatures of the multiple guide grids 252 different, the wind is directed differently when passing through each guide grid 252, so that the air guide plate 25 can guide the wind in multiple directions and diffuse the range of the wind. After the wind passes through the guide grid 252, it does not blow directly in a single direction, but can dissipate heat in multiple directions to the inner cavity of the main shell 1, thereby improving the overall heat dissipation of the sewing machine shell.

[0034] Reference Figure 1-Figure 4A plurality of ventilation holes 11 are provided on the bottom side of the side of the main housing 1. The provision of the ventilation holes 11 allows air in the main housing 1 to circulate, so that wind can flow out from the ventilation holes 11 after entering from the heat dissipation holes 21. The plurality of ventilation holes 11 are arranged in a ring shape, and the plurality of ventilation holes 11 are gradually expanded from the side close to the inner cavity of the main housing 1 to the side away from the inner cavity of the main housing 1, so as to improve the air circulation, disperse the airflow of the ventilation port, and reduce the possibility of direct airflow from the ventilation port.

[0035] Reference Figure 1-Figure 4 When the sewing machine is working, a motor is installed and fixedly connected inside the main housing 1. The motor is a double-shaft motor. One end of the output shaft of the motor is provided with a connecting ring 251 and fixedly connected to the fan impeller 23 to drive the fan impeller 23 to rotate. A plurality of heat conducting plates 12 are fixedly connected inside the main housing 1. When the motor of the sewing machine is installed in the housing, the plurality of heat conducting plates 12 are respectively abutted against the motor of the sewing machine. By making the heat conducting plates 12 abut against the motor, the heat generated by the motor during operation can be conducted through the heat conducting plates 12 and conducted to the main housing 1 for heat dissipation, thereby reducing the possibility of overheating of the motor and improving the heat dissipation of the sewing machine housing as a whole. In addition, the plurality of heat conducting plates 12 play a role in positioning the installation of the motor, which is convenient for the installation of the motor. A plurality of heat dissipating fins 13 are respectively fixedly connected to the plurality of heat conducting plates 12 to increase the heat dissipation area of ​​the heat conducting plates 12 and improve the heat dissipation of the sewing machine housing as a whole.

[0036] Of course, the above are only typical examples of the present application. In addition, the present application may have many other specific implementation methods. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present application.

Claims

1. A heat dissipation type sewing machine housing, comprising a main housing (1) and an end housing (2), wherein the end housing (2) is detachably connected to the main housing (1), characterized in that: The end shell (2) is provided with a heat dissipation hole (21), the heat dissipation hole (21) is provided with a heat dissipation cover (22), the heat dissipation cover (22) is coaxially and rotatably connected to a fan impeller (23), the heat dissipation cover (22) is fixedly connected to one end away from the main shell (1) with a dust cover (24), the heat dissipation cover (22) and the dust cover (24) together wrap the fan impeller (23), the heat dissipation cover (22) is coaxially and rotatably connected to one end away from the dust cover (24) in the axial direction with an air guide plate (25), and the air guide plate (25) can guide the blowing air in multiple directions.

2. A heat dissipation type sewing machine housing according to claim 1, characterized in that: The air guide plate (25) comprises a connecting ring (251) and a plurality of guide bars (252); the connecting ring is rotatably connected to the heat dissipation cover (22) along the axial direction of the heat dissipation cover (22); the plurality of guide bars (252) are respectively fixedly connected to the connecting ring (251) and evenly distributed along the circumferential side of the connecting ring (251); the plurality of guide bars (252) are inclinedly arranged from one end close to the fan impeller (23) to one end away from the fan impeller (23).

3. A heat dissipation type sewing machine housing according to claim 2, characterized in that: The plurality of guide grating bars (252) are arranged in an arc shape from a side close to the connecting ring (251) to a side away from the connecting ring (251), and the curvatures of the plurality of guide grating bars (252) are slightly different.

4. A heat dissipation type sewing machine housing according to claim 1, characterized in that: A plurality of ventilation holes (11) are provided on the bottom side of the side surface of the main housing (1).

5. A heat dissipation type sewing machine housing according to claim 4, characterized in that: The plurality of ventilation holes (11) are arranged in a ring shape, and the plurality of ventilation holes (11) are arranged in a gradually expanding shape from a side close to the inner cavity of the main shell (1) to a side away from the inner cavity of the main shell (1).

6. A heat dissipation type sewing machine housing according to claim 1, characterized in that: A plurality of heat-conducting plates (12) are arranged inside the main housing (1); when the motor of the sewing machine is installed in the housing, the plurality of heat-conducting plates (12) respectively abut against the motor of the sewing machine.

7. A heat dissipation type sewing machine housing according to claim 6, characterized in that: A plurality of heat dissipation fins (13) are respectively provided on the plurality of heat conduction plates (12).

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