Magnetic attraction structure of side cover of sewing machine

Abstract

The utility model belongs to the technical field of sewing machines, and particularly relates to a sewing machine side cover magnetic attraction structure which comprises a machine shell and an electric control side cover, a rear window plate is arranged on the side edge of the machine shell, the rear window plate is made of ferromagnetic materials or ferrous magnetic materials, a magnet is arranged on the electric control side cover, and the electric control side cover is magnetically attracted to the rear window plate through the magnet. The electric control side cover is convenient to disassemble and assemble, convenience is provided for later maintenance, the problems that screws are loosened, threads are damaged and screw holes are abraded are solved, and the problems that the electric control side cover falls off and cannot be installed on a machine shell are solved.

Description

Technical fields:

[0001] This utility model belongs to the field of sewing machine technology, and specifically refers to a magnetic structure for the side cover of a sewing machine. Background technology:

[0002] The existing electronic control side cover is fixed to the side of the housing with screws. Its disadvantages are: inconvenient to disassemble and assemble, not conducive to later maintenance, and long-term use or vibration can easily cause the screws to loosen, which will cause the electronic control side cover to fall off. At the same time, frequent disassembly and assembly can easily cause wear on the screw holes or damage to the screw threads, thus making it impossible to install the electronic control side cover on the housing. Summary of the Invention:

[0003] The purpose of this utility model is to provide a magnetic structure for the side cover of a sewing machine, which is easy to install and remove, provides convenience for later maintenance, and eliminates problems such as loose screws, damaged threads, and worn screw holes, as well as the problem of the electrical control side cover falling off or being unable to be installed on the machine casing.

[0004] This utility model is implemented as follows:

[0005] A magnetic structure for a sewing machine side cover includes a machine housing and an electronic control side cover. The machine housing has a rear window panel on its side, which is made of ferromagnetic or ferrimagnetic material. The electronic control side cover is equipped with a magnet, and the electronic control side cover is magnetically attached to the rear window panel by the magnet.

[0006] In the above-mentioned magnetic structure for a sewing machine side cover, the electronically controlled side cover is a hollow structure, including a front plate and a side plate disposed on the side of the front plate away from the rear window plate. A connecting post is provided on the side of the side plate near the rear window plate, and the magnet is disposed at the end of the connecting post away from the side plate.

[0007] In the above-mentioned magnetic structure for a sewing machine side cover, the magnet can be installed as follows: the connecting column has a mounting hole for installing the magnet, and the end of the mounting hole near the rear window panel has a protrusion for limiting the magnet. The magnet is engaged between the inner end face of the mounting hole and the protrusion.

[0008] In the above-mentioned magnetic structure for a sewing machine side cover, a notch is provided on the side wall of the mounting hole, and the protrusion is an open annular shape.

[0009] In the above-mentioned magnetic structure for a sewing machine side cover, the magnet can also be installed in the following way: the connecting column has a mounting hole for installing the magnet, and the magnet is interference-fitted with the mounting hole.

[0010] In the above-mentioned magnetic structure for a sewing machine side cover, a notch is provided on the side wall of the mounting hole.

[0011] In the above-mentioned magnetic structure for a sewing machine side cover, the connecting column has a small hole that is coaxial with and connected to the mounting hole, and the diameter of the small hole is smaller than the diameter of the mounting hole.

[0012] In the above-mentioned magnetic structure for a sewing machine side cover, the outer side of the connecting post is provided with a reinforcing rib connected to the electronic control side cover.

[0013] In the above-mentioned magnetic structure for a sewing machine side cover, the electronically controlled side cover also includes a top plate. The front end of the top plate is connected to the rear end of the front plate via an arc plate. The side of the top plate away from the rear window plate is connected to the upper end of the side plate via an inclined plate. The inclined plate is inclined from bottom to top towards the top plate. There are two or more connecting columns. One of the connecting columns is connected to the inclined plate and the side plate at the end away from the rear window plate. A reinforcing rib is provided between the outer wall of the connecting column and the top plate.

[0014] In the above-mentioned magnetic structure for a sewing machine side cover, the rear cover of the machine housing is provided with an electronically controlled rear cover, the rear end of the side plate is hinged to the electronically controlled rear cover, and the connecting post is provided at the front end of the side plate.

[0015] In the above-mentioned magnetic structure for a sewing machine side cover, the ferromagnetic material is pure iron, an iron-containing alloy, pure nickel, a nickel-containing alloy, pure cobalt, or a cobalt-containing alloy; the ferrimagnetic material is magnetite or ferrite.

[0016] In the above-mentioned magnetic structure for a sewing machine side cover, the iron-containing alloy is carbon steel or stainless steel.

[0017] The outstanding advantages of this utility model compared to the prior art are:

[0018] 1. This utility model has a magnet on the electronic control side cover. The electronic control side cover is magnetically attached to the rear window panel by the magnet, which makes it easy to install and remove, and provides convenience for later maintenance. It also eliminates the problems of loose screws, damaged threads and worn screw holes, as well as the problems of the electronic control side cover falling off or being unable to be installed on the housing.

[0019] 2. The electric control side cover of this utility model has a hollow structure, including a front panel and a side panel disposed on the end of the front panel away from the rear window panel. A connecting post is provided on the side of the side panel near the rear window panel, and the magnet is disposed at the end of the connecting post away from the side panel. Without affecting the installation of the internal parts of the electric control side cover, the magnet can be close to the rear window panel, so that the magnet can be better attracted to the rear window panel. Without affecting the installation of the internal parts of the electric control side cover, the magnet can be as close as possible to the rear window panel, so that the magnet can be better attracted to the rear window panel.

[0020] 3. The connecting column of this utility model is provided with a mounting hole for installing a magnet. The end of the mounting hole near the rear window panel is provided with a protrusion to limit the magnet. The magnet is stuck between the inner end face of the mounting hole and the protrusion. The structure is simple and easy to process and install.

[0021] 4. The mounting hole of this utility model has a notch on its side wall, and the protrusion is an open ring, which facilitates the disassembly of the magnet. Attached image description:

[0022] Figure 1 This is a perspective view of the present invention;

[0023] Figure 2 This is a perspective view of the electrically controlled side cover and magnet of this utility model;

[0024] Figure 3 This is a cross-sectional view of the electrically controlled side cover and magnet of this utility model;

[0025] Figure 4 This is a perspective view of the electrically controlled side cover of this utility model.

[0026] Reference numerals: 1. Housing; 2. Electrical control side cover; 2a. Front panel; 2b. Side panel; 2c. Top panel; 2d. Curved panel; 2e. Inclined panel; 3. Rear window panel; 4. Magnet; 5. Connecting post; 6. Mounting hole; 7. Protrusion; 8. Notch; 9. Small hole; 10. Reinforcing rib; 11. Electrical control rear cover. Detailed implementation method:

[0027] The present invention will be further described below with reference to specific embodiments. See also: Figure 1 —4:

[0028] Example 1: See Figure 1-4 :

[0029] A magnetic structure for a sewing machine side cover includes a machine housing 1 and an electronic control side cover 2. The machine housing 1 has a rear window panel 3 on its side. The rear window panel 3 is made of ferromagnetic or ferrimagnetic material. The electronic control side cover 2 is provided with a magnet 4. The electronic control side cover 2 is magnetically attracted to the rear window panel 3 by the magnet 4.

[0030] like Figure 1-4 As shown, this utility model provides a magnet 4 on the electronic control side cover 2, which is magnetically attached to the rear window panel 3 by the magnet 4. This makes it easy to install and remove, providing convenience for later maintenance. It also eliminates problems such as loose screws, damaged threads, and worn screw holes, as well as the problem of the electronic control side cover 2 falling off or being unable to be installed on the housing 1.

[0031] The specific structure of the electronically controlled side cover 2 and the mounting structure of the magnet 4 are as follows: Figure 1-4As shown, the electronically controlled side cover 2 has a hollow structure, including a front panel 2a and a side panel 2b disposed on the side of the front panel 2a away from the rear window panel 3. A connecting post 5 is provided on the side of the side panel 2b near the rear window panel 3, and a magnet 4 is disposed at the end of the connecting post 5 away from the side panel 2b. Without affecting the installation of internal components of the electronically controlled side cover 2, the magnet 4 can be placed as close as possible to the rear window panel 3, allowing it to better adhere to the rear window panel 3.

[0032] The specific installation structure of magnet 4 is as follows: Figure 2-4 As shown, the connecting column 5 is provided with a mounting hole 6 for installing a magnet 4. The end of the mounting hole 6 near the rear window panel 3 is provided with a protrusion 7 to limit the magnet 4. The magnet 4 is stuck between the inner end face of the mounting hole 6 and the protrusion 7. The structure is simple and easy to process and install.

[0033] To facilitate the disassembly of magnet 4 and to observe its installation, such as Figure 2 , 4 As shown, the mounting hole 6 has a notch 8 on its side wall, and the protrusion 7 is an open annular shape.

[0034] To reduce the weight of connecting column 5, save materials, and lower costs, such as Figure 3 , 4 As shown, the connecting column 5 has a small hole 9 that is coaxial with and connected to the mounting hole 6, and the diameter of the small hole 9 is smaller than the diameter of the mounting hole 6.

[0035] To strengthen the connection column 5, such as Figure 2-4 As shown, the outer side of the connecting column 5 is provided with a reinforcing rib 10 that is connected to the electronic control side cover 2.

[0036] Furthermore, the electronically controlled side cover 2 also includes a top plate 2c. The front end of the top plate 2c is connected to the rear end of the front plate 2a through an arc plate 2d. The side of the top plate 2c away from the rear window plate 3 is connected to the upper end of the side plate 2b through an inclined plate 2e. The inclined plate 2e is inclined from bottom to top towards the top plate 2c. There are two or more connecting columns 5. One end of the connecting column 5 away from the rear window plate 3 is connected to the inclined plate 2e and the side plate 2b. A reinforcing rib 10 is provided between the outer wall of the connecting column 5 and the top plate 2c, so as to make reasonable use of space while ensuring strength.

[0037] In this embodiment, two connecting columns 5 are provided. One connecting column 5 is connected to the inclined plate 2e and the side plate 2b at one end away from the rear window panel 3, and a reinforcing rib 10 is provided between the outer wall of the connecting column 5 and the top plate 2c. The other connecting column 5 is connected to the side plate 2b at one end away from the rear window panel 3, and multiple reinforcing ribs 10 are connected between the outer wall of the connecting column 5 and the side plate 2b.

[0038] The specific installation structure of side panel 2b is as follows: Figure 1 , 2 As shown in Figure 4, the rear cover of the housing 1 is provided with an electronic control rear cover 11, the rear end of the side plate 2b is hinged to the electronic control rear cover 11, and the connecting post 5 is provided at the front end of the side plate 2b.

[0039] Preferably, the ferromagnetic material is pure iron, an iron-containing alloy, pure nickel, a nickel-containing alloy, pure cobalt, or a cobalt-containing alloy; the ferrimagnetic material is magnetite or ferrite.

[0040] Preferably, the iron-containing alloy is carbon steel or stainless steel. In this embodiment, the rear window panel 3 is made of carbon steel.

[0041] Example 2:

[0042] This embodiment is basically the same as the structure of the first embodiment above. The main difference is that the connecting column 5 is provided with a mounting hole 6 for installing the magnet 4, and the magnet 4 is interference-fitted with the mounting hole 6.

[0043] To facilitate the disassembly of magnet 4 and the observation of the installation status of magnet 4, a notch 8 is provided on the side wall of the mounting hole 6.

[0044] The above embodiments are only one of the preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes made in accordance with the shape, structure and principle of this utility model should be covered within the protection scope of this utility model.

Claims

1. A magnetic structure for a sewing machine side cover, characterized in that: Includes a housing (1) and an electronic control side cover (2). The housing (1) has a rear window panel (3) on its side. The rear window panel (3) is made of ferromagnetic or ferrimagnetic material. The electronic control side cover (2) is provided with a magnet (4). The electronic control side cover (2) is magnetically attached to the rear window panel (3) by the magnet (4).

2. The magnetic structure for a sewing machine side cover according to claim 1, characterized in that: The electronically controlled side cover (2) has a hollow structure, including a front panel (2a) and a side panel (2b) located on the side of the front panel (2a) away from the rear window panel (3). A connecting post (5) is provided on the side of the side panel (2b) near the rear window panel (3), and a magnet (4) is located at the end of the connecting post (5) away from the side panel (2b).

3. The magnetic structure for a sewing machine side cover according to claim 2, characterized in that: The connecting column (5) is provided with a mounting hole (6) for installing a magnet (4). The end of the mounting hole (6) near the rear window panel (3) is provided with a protrusion (7) for limiting the magnet (4). The magnet (4) is engaged between the inner end face of the mounting hole (6) and the protrusion (7).

4. The magnetic structure for a sewing machine side cover according to claim 2, characterized in that: The connecting column (5) is provided with a mounting hole (6) for installing a magnet (4), and the magnet (4) is interference-fitted with the mounting hole (6).

5. A magnetic structure for a sewing machine side cover according to claim 3 or 4, characterized in that: The mounting hole (6) has a notch (8) on its side wall.

6. A magnetic structure for a sewing machine side cover according to claim 3 or 4, characterized in that: The connecting column (5) has a small hole (9) that is coaxial with and connected to the mounting hole (6), and the diameter of the small hole (9) is smaller than the diameter of the mounting hole (6).

7. The magnetic structure for a sewing machine side cover according to claim 2, characterized in that: The connecting column (5) is provided with a reinforcing rib (10) on the outside of the electric control side cover (2).

8. The magnetic structure for a sewing machine side cover according to claim 2, characterized in that: The electronically controlled side cover (2) also includes a top plate (2c). The front end of the top plate (2c) is connected to the rear end of the front plate (2a) through an arc plate (2d). The side of the top plate (2c) away from the rear window plate (3) is connected to the upper end of the side plate (2b) through an inclined plate (2e). The inclined plate (2e) is inclined from bottom to top towards the top plate (2c). There are two or more connecting columns (5). One end of the connecting column (5) away from the rear window plate (3) is connected to the inclined plate (2e) and the side plate (2b). A reinforcing rib (10) is provided between the outer wall of the connecting column (5) and the top plate (2c).

9. The magnetic structure for a sewing machine side cover according to claim 2, characterized in that: The rear cover of the housing (1) is provided with an electronically controlled rear cover (11), the rear end of the side plate (2b) is hinged to the electronically controlled rear cover (11), and the connecting post (5) is provided at the front end of the side plate (2b).

10. The magnetic structure for a sewing machine side cover according to claim 1, characterized in that: The ferromagnetic material is pure iron, iron-containing alloys, pure nickel, nickel-containing alloys, pure cobalt, or cobalt-containing alloys; the ferrimagnetic material is magnetite or ferrite.

Images