Cooling device for sewing machine

Abstract

The utility model discloses a heat dissipation device for a sewing machine, and relates to the technical field of sewing machines, the heat dissipation device comprises a sewing machine head and a U-shaped dust screen, one side of the interior of the sewing machine head is provided with a main machine, the outer wall of the sewing machine head is provided with a U-shaped opening corresponding to the main machine, the U-shaped dust screen is fixedly arranged in the U-shaped opening, and the U-shaped dust screen is fixedly arranged in the main machine. The outer side of the U-shaped dustproof net is sleeved with a U-shaped plate, a motor is arranged in the sewing machine head and located on the lower side of the main machine, the two sides of the motor are fixedly connected with the inner wall of the sewing machine head through supporting rods, the output end of the motor is fixedly sleeved with fan blades, and a vertical rod is fixedly arranged on the inner side of the upper end of the U-shaped plate. The lower end of the vertical rod extends into the sewing machine head, and a power supply mechanism for supplying power to the motor is arranged at the lower end of the vertical rod. After the dustproof device is used, the machine head of the sewing machine can be well prevented from dust, and dust is prevented from entering the machine head of the sewing machine as much as possible when the dustproof device is idle.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a heat dissipation device for sewing machines. Background Art

[0002] With the innovation of economy and technology, existing industrial sewing machines include lockstitch machines, overlock machines and chainstitch machines. Most of these sewing machines are driven by motors, which generate a lot of heat during operation. If the heat cannot be effectively dissipated, it is easy to cause motor damage after long-term use, thereby shortening the life of the sewing machine and may also cause safety problems.

[0003] Traditional heat dissipation devices for sewing machines need to blow air into the sewing machine head to dissipate heat, so air inlet and outlet holes need to be opened on the sewing machine head. This causes dust to easily enter the sewing machine head when the sewing machine is idle, accelerating the aging of the internal components of the sewing machine head. Utility Model Content

[0004] In view of the above problems existing in the existing heat dissipation device for sewing machines, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide a heat dissipation device for a sewing machine, which solves the problem that the heat dissipation device for a sewing machine in the prior art needs to blow air into the head of the sewing machine to dissipate heat, so air inlet and air outlet holes need to be opened on the head of the sewing machine, which causes dust to easily enter the head of the sewing machine when the sewing machine is idle, thereby accelerating the aging of the internal components of the head of the sewing machine.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A heat dissipation device for a sewing machine comprises a sewing machine head and a U-shaped dustproof net, wherein a main machine is provided on one side of an interior of the sewing machine head, a U-shaped opening is provided on an outer wall of the sewing machine head at a position corresponding to the main machine, the U-shaped dustproof net is fixedly arranged inside the U-shaped opening, a U-shaped plate is sleeved on the outer side of the U-shaped dustproof net, a motor is provided inside the sewing machine head and at the lower side of the main machine, both sides of the motor are fixedly connected to the inner wall of the sewing machine head through support rods, a fan blade is fixedly sleeved on the output end of the motor, a vertical rod is fixedly provided on the inner side of the upper end of the U-shaped plate, the lower end of the vertical rod extends to the interior of the sewing machine head, a power supply mechanism for powering the motor is provided on the lower end of the vertical rod, a fixed shell is fixedly provided on the outer wall of one side of the sewing machine head, and a limiting mechanism for limiting the movement of the U-shaped plate is provided inside the fixed shell.

[0008] Preferably, the power supply mechanism includes a power supply and a support plate, the support plate is fixedly arranged at the lower end of the connecting rod, the power supply is fixedly arranged on the upper surface of the support plate, both sides of the lower end of the motor are electrically connected to the first conductive block, and both sides of the upper end of the power supply are electrically connected to the second conductive block, and the first conductive block conflicts with the second conductive block.

[0009] Preferably, the limiting mechanism includes a connecting rod and an insertion rod, a horizontal plate is fixedly provided on the top of the U-shaped plate, the connecting rod is fixedly provided on the lower surface of the horizontal plate, the lower end of the connecting rod passes through the fixed shell, a stopper is slidingly provided inside the fixed shell, the insertion rod is fixedly sleeved on the middle part of the stopper, a socket is provided at one end of the connecting rod, and one end of the insertion rod is plugged into the socket.

[0010] Preferably, a spring is fixedly provided on a side of the stopper away from the connecting rod, and the other end of the spring is fixedly connected to the interior of the fixed shell.

[0011] Preferably, one end of the insertion rod extends to the outside of the fixed shell and is fixedly connected to a pull block.

[0012] Preferably, both sides of the U-shaped plate are in conflict with the inner wall of the U-shaped opening.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. The utility model removes the obstruction on the lower end and upper side of the U-shaped dust screen by pulling the U-shaped plate upwards, and at the same time releases the second conductive block from the first conductive block, so that the power supply is supplied to the motor, thereby driving the fan blades to rotate, and thus efficiently dissipating heat from the host.

[0015] 2. The utility model separates the plug rod from the vertical rod by pulling the plug rod, that is, releases the limit on the vertical rod, and can move the U-shaped plate downward so that the U-shaped plate can fully cover the U-shaped dustproof net. At the same time, the first conductive block is separated from the second conductive block, that is, disconnects the power supply of the motor, that is, can effectively protect the head of the sewing machine from dust after use, and prevent dust from entering the head of the sewing machine when idle as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic structural diagram of a heat dissipation device for a sewing machine proposed by the present invention;

[0018] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0019] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0020] Description of reference numerals:

[0021] 1. Sewing machine head; 2. U-shaped dust screen; 3. Main machine; 4. U-shaped plate; 5. Vertical rod; 6. Motor; 7. Fan blades; 8. Support plate; 9. Power supply; 10. First conductive block; 11. Second conductive block; 12. Horizontal plate; 13. Vertical rod; 14. Fixed shell; 15. Stop block; 16. Insert rod; 17. Spring. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] The embodiment of the utility model discloses a heat dissipation device for a sewing machine.

[0024] Reference Figure 1-3 A heat dissipation device for a sewing machine comprises a sewing machine head 1 and a U-shaped dustproof net 2, a main unit 3 is provided on one side of the interior of the sewing machine head 1, a U-shaped opening is opened on the outer wall of the sewing machine head 1 and at a position corresponding to the main unit 3, the U-shaped dustproof net 2 is fixedly arranged inside the U-shaped opening, and a U-shaped plate 4 is sleeved on the outer side of the U-shaped dustproof net 2, both sides of the U-shaped plate 4 are in conflict with the inner wall of the U-shaped opening, so that the U-shaped plate 4 can slide stably, and a motor 6 is provided inside the sewing machine head 1 and on the lower side of the main unit 3, and both sides of the motor 6 are fixedly connected to the inner wall of the sewing machine head 1 through support rods, and a fan blade 7 is fixedly sleeved on the output end of the motor 6, and a vertical rod 5 is fixedly provided on the inner side of the upper end of the U-shaped plate 4, and the lower end of the vertical rod 5 extends to the interior of the sewing machine head 1, and a fixed shell 14 is fixedly provided on the outer wall of one side of the sewing machine head 1.

[0025] Reference Figure 1-3 A power supply mechanism for supplying power to the motor 6 is provided at the lower end of the vertical rod 5. The power supply mechanism includes a power supply 9 and a support plate 8. The support plate 8 is fixedly provided at the lower end of the vertical rod 5. The power supply 9 is fixedly provided on the upper surface of the support plate 8. Both sides of the lower end of the motor 6 are electrically connected to the first conductive block 10, and both sides of the upper end of the power supply 9 are electrically connected to the second conductive block 11. The first conductive block 10 conflicts with the second conductive block 11.

[0026] Reference Figure 1-3A limiting mechanism for limiting the movement of the U-shaped plate 4 is provided inside the fixed shell 14. The limiting mechanism includes a connecting rod 13 and an insertion rod 16. A horizontal plate 12 is fixedly provided on the top of the U-shaped plate 4. The connecting rod 13 is fixedly provided on the lower surface of the horizontal plate 12. The lower end of the connecting rod 13 passes through the fixed shell 14. A stopper 15 is slidingly provided inside the fixed shell 14. The insertion rod 16 is fixedly sleeved on the middle part of the stopper 15. A socket is provided at one end of the connecting rod 13, and one end of the insertion rod 16 is plugged into the socket. A spring 17 is fixedly provided on the side of the stopper 15 away from the connecting rod 13. The other end of the spring 17 is fixedly connected to the interior of the fixed shell 14 to facilitate the reset of the stopper 15. One end of the insertion rod 16 extends to the outside of the fixed shell 14 and is fixedly connected to a pull block to facilitate pulling the insertion rod 16.

[0027] In the present invention, when in use, the U-shaped plate 4 is pulled upward to release the obstruction on the lower end and upper side of the U-shaped dustproof net 2, and at the same time, the second conductive block 11 is released from the first conductive block 10, that is, the power supply 9 supplies power to the motor 6, thereby driving the fan blades 7 to rotate, and the host 3 can be efficiently dissipated. After use, the insertion rod 16 is pulled to separate the insertion rod 16 from the vertical rod 13, that is, the limit on the vertical rod 13 is released, that is, the U-shaped plate 4 can be moved downward, so that the U-shaped plate 4 fully blocks the U-shaped dustproof net 2, and at the same time, the first conductive block 10 is separated from the second conductive block 11, that is, the power supply of the motor 6 is disconnected, that is, the head of the sewing machine can be well dust-proofed after use, and dust is prevented from entering the head of the sewing machine when idle as much as possible.

[0028] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A heat dissipation device for a sewing machine, comprising a sewing machine head (1) and a U-shaped dustproof net (2), characterized in that: A main machine (3) is provided on one side of the interior of the sewing machine head (1), a U-shaped opening is provided on the outer wall of the sewing machine head (1) at a position corresponding to the main machine (3), the U-shaped dustproof net (2) is fixedly provided inside the U-shaped opening, a U-shaped plate (4) is provided on the outer side of the U-shaped dustproof net (2), a motor (6) is provided inside the sewing machine head (1) and located on the lower side of the main machine (3), and both sides of the motor (6) are connected to the inner wall of the sewing machine head (1) through support rods. The U-shaped plate (4) is fixedly connected to the wall, the output end of the motor (6) is fixedly sleeved with a fan blade (7), a vertical rod (5) is fixedly provided on the inner side of the upper end of the U-shaped plate (4), the lower end of the vertical rod (5) extends to the interior of the sewing machine head (1), the lower end of the vertical rod (5) is provided with a power supply mechanism for supplying power to the motor (6), a fixed shell (14) is fixedly provided on the outer wall of one side of the sewing machine head (1), and a limiting mechanism for limiting the movement of the U-shaped plate (4) is provided inside the fixed shell (14).

2. The heat dissipation device for a sewing machine according to claim 1, characterized in that: The power supply mechanism comprises a power supply (9) and a support plate (8), wherein the support plate (8) is fixedly arranged at the lower end of the vertical rod (5), and the power supply (9) is fixedly arranged on the upper surface of the support plate (8). Both sides of the lower end of the motor (6) are electrically connected to a first conductive block (10), and both sides of the upper end of the power supply (9) are electrically connected to a second conductive block (11), and the first conductive block (10) and the second conductive block (11) are in conflict.

3. The heat dissipation device for a sewing machine according to claim 1, characterized in that: The limiting mechanism comprises a connecting rod (13) and an inserting rod (16); a transverse plate (12) is fixedly provided on the top of the U-shaped plate (4); the connecting rod (13) is fixedly provided on the lower surface of the transverse plate (12); the lower end of the connecting rod (13) passes through the fixed shell (14); a stopper (15) is slidably provided inside the fixed shell (14); the inserting rod (16) is fixedly sleeved on the middle part of the stopper (15); one end of the connecting rod (13) is provided with a socket, and one end of the inserting rod (16) is plugged into the socket.

4. The heat dissipation device for a sewing machine according to claim 3, characterized in that: A spring (17) is fixedly provided on one side of the stopper (15) away from the connecting rod (13), and the other end of the spring (17) is fixedly connected to the interior of the fixed shell (14).

5. The heat dissipation device for a sewing machine according to claim 3, characterized in that: One end of the insertion rod (16) extends to the outside of the fixed shell (14) and is fixedly connected to a pull block.

6. The heat dissipation device for a sewing machine according to claim 1, characterized in that: Both sides of the U-shaped plate (4) are in contact with the inner wall of the U-shaped opening.

Images