CN210561138U

CN210561138U - Electric cabinet structure of sewing machine

Info

Publication number: CN210561138U
Application number: CN201921302182.2U
Authority: CN
Inventors: 朱义潜; 钱敏; 何广乾
Original assignee: Zhejiang Hulong Technology Co ltd
Current assignee: Zhejiang Hulong Technology Co ltd
Priority date: 2019-06-07
Filing date: 2019-08-12
Publication date: 2020-05-19
Anticipated expiration: 2029-08-12

Abstract

The utility model provides a sewing machine's electric cabinet structure belongs to sewing equipment technical field. The electric cabinet heat dissipation device solves the technical problems that an electric cabinet of an existing sewing machine is poor in heat dissipation effect and the like. The electric cabinet structure comprises a box body with a cavity, wherein a circuit board is fixedly arranged in the box body, an inwards concave mounting groove is formed in the back side of the box body, the bottom of the mounting groove penetrates through the cavity of the box body, a heat dissipation assembly is arranged in the mounting groove, an airflow channel is formed between the inner sides of the heat dissipation assembly, a plurality of heating components are fixedly connected to the circuit board, the heating components are distributed on two sides of the heat dissipation assembly and are attached to the outer side surface of the heat dissipation assembly, and housings for covering the heating components are further arranged on two sides of the heat dissipation; the circuit board is fixedly connected with a plurality of circuit plug terminals which are positioned in the mounting groove and close to one side of the box body. The utility model provides an electric cabinet radiating effect is good, and the grafting cable is convenient.

Description

Electric cabinet structure of sewing machine

Technical Field

The utility model belongs to the technical field of sewing equipment, a sewing machine's electric cabinet structure is related to.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. With the improvement of the automation degree of the sewing machine, the electric control device becomes an important component of the sewing machine; the existing sewing machine is mostly driven by an electric motor and is controlled by an electric control device, and the electric control box can be usually and independently arranged along with the complication of the electric control device and is specially used for installing components of the electric control device.

The electric control device in the electric cabinet can generate a large amount of heat sources in the working process, so that the reasonable solution of the heat dissipation problem is an important task, and the electric control heat dissipation of the existing industrial sewing machine is generally the following mode: the circuit board is installed in the bottom of electric cabinet, and the fin is fixed in the top of circuit board and is connected the heat conduction with the components and parts that generate heat, sets up the fan hole with the electric cabinet bottom again to the installation fan is bloied through the fan and is dispelled the heat to the fin, and this kind of radiating mode structure is complicated, with high costs, and structural layout is not reasonable enough, and the radiating effect is not good.

For example, Chinese patent (publication number: CN 203284591U; publication date: 2013-11-13) discloses an electric control device of a sewing machine, which comprises a control box, wherein an electric control unit is arranged in the control box, and one side of the control box is provided with a speed regulator; one side of the control box, which is provided with the speed regulator, is provided with a heat dissipation rib; the electric control unit comprises an electric control mainboard, a control panel, a power switch and a connecting port, the electric control mainboard is arranged in the control box, and the control panel, the power switch and the connecting port are embedded on the box body of the control box and are electrically connected with the electric control mainboard; the control panel and the power switch are arranged on the same side of the control box, and the connecting port is arranged on one side of the control box corresponding to the control panel and the power switch; a display screen is arranged at the upper part of the control panel, and an adjusting key is arranged below the display screen; the connecting port comprises a power supply port and a function transmission port; the end face of the control box is provided with a mounting seat.

The electric control device in the patent document adopts the heat dissipation ribs for heat dissipation, airflow flows disorderly, and each heating component is not scientific and reasonable in arrangement, low in heat dissipation efficiency, poor in overall heat dissipation effect and not energy-saving enough; in addition, the socket layout on the control box makes the plugging and unplugging of the electric wires complicated.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a sewing machine's electric cabinet structure, the utility model aims to solve the technical problem that: how to improve the radiating effect of automatically controlled components and parts in the sewing machine and improve the convenience that the sewing machine electric control box used.

The purpose of the utility model can be realized by the following technical proposal:

an electric cabinet structure of a sewing machine comprises a box body with a cavity, wherein a circuit board is fixedly arranged in the box body, and the electric cabinet structure is characterized in that an inwards concave mounting groove is formed in the back side of the box body, the bottom of the mounting groove penetrates through and is communicated with the cavity of the box body, a heat dissipation assembly is arranged in the mounting groove, an airflow channel is formed between the inner sides of the heat dissipation assembly, a plurality of heating components are fixedly connected onto the circuit board, the heating components are distributed on two sides of the heat dissipation assembly and are attached to the outer side surface of the heat dissipation assembly, and housings which cover the heating components are also arranged on two sides of the heat dissipation assembly in the mounting groove; the circuit board is fixedly connected with a plurality of circuit plug-in terminals which are positioned in the mounting groove and close to one side of the box body.

The working principle is as follows: when the electric cabinet structure is used, the electric cabinet structure is hung on the shell of a sewing machine in a back-hanging manner, the back side of the cabinet body is fixedly connected with the shell of the sewing machine through a screw hook and the like, and main heating components on the circuit board are concentrated at the mounting groove; the heating components are distributed on two sides of the heat dissipation assembly, heat generated by the heating components is easily transferred to the heat dissipation assembly, and air is sent into the air flow channel through the fan and other devices, so that the heat on the heat dissipation assembly is quickly taken away. Through optimizing the overall arrangement of the heating components and parts among this technical scheme to improve the position relation between radiator unit structure and the heating components and radiator unit, make cold wind get into and constantly circulate behind the airflow channel and take the heat out, the whole radiating efficiency of electric cabinet structure has obtained the promotion, and the radiating effect is good, and is more energy-conserving moreover. In addition, the circuit plug-in terminal is optimally arranged in the technical scheme, so that the wire on the control box structure can be plugged and pulled more conveniently.

In the electric cabinet structure of the sewing machine, the heat dissipation assembly comprises a bottom plate and two heat dissipation fins arranged in parallel at intervals, the bottom plate is arranged in parallel with the circuit board, the two sides of the bottom plate are fixedly connected with the end parts of the two heat dissipation fins, the heat dissipation fins are perpendicular to the circuit board, the airflow channel is arranged between the two heat dissipation fins, and the heating components are arranged on the outer side surfaces of the two heat dissipation fins. Thus, the heat dissipation effect can be further improved.

In foretell sewing machine's electric cabinet structure, the bottom plate with the interval has between the circuit board, the bottom plate passes through the spliced pole to be fixed on the circuit board, bottom plate and fin all are the rectangular plate body, the box is the cuboid, the vertical setting of box, the equal vertical setting of airflow channel between fin and two fins.

In the electric cabinet structure of the sewing machine, the heating components outside each cooling fin are vertically arranged in a row, the housing and the box body are integrally formed, the housing is internally provided with the fixing strip, the fixing strip is fixedly arranged on the cooling fins, and the fixing strip is provided with the connecting pins inserted between the two adjacent heating components. The pins of each heating component are long and are connected with the circuit of the circuit board through the pins, one side of each heating component faces the radiating fin, and the other side of each heating component faces the housing; protect it through the housing, prevent that it from being strikeed by the foreign matter, the fixed strip can play the support fixed action, reduces rocking of components and parts that generate heat, keeps its steady operation state.

In foretell sewing machine's electric cabinet structure, sewing machine includes the casing, the one end of casing has linked firmly the back shroud, be equipped with the fan in the back shroud, set up the fresh air inlet to the fan on the back shroud, one side of back shroud is connected just one side of box the back shroud inside with airflow channel is linked together. The fan guides the airflow to pass through the airflow channel, so that the heat on the radiating fins is dispersed, and the radiating efficiency is improved.

In the electric cabinet structure of the sewing machine, the back side of the cabinet body is provided with the reinforcing ribs which are distributed in a criss-cross manner. The reinforcing ribs not only play a role in reinforcing and supporting the strength of the box body, but also can enable a gap to be reserved between the back side of the box body and the shell when the box body is arranged on the shell of the sewing machine, so that air flow circulation is facilitated, and heat dissipation is assisted; further improve the radiating effect of electric cabinet.

In the electric cabinet structure of the sewing machine, the mounting groove is positioned at the left side of the back side of the box body close to the lower end; the circuit plug terminals are vertically arranged in a row and are close to the left side of the box body. In the technical scheme, one end of the cover is left and right in the opposite direction after the casing is installed, one side of the box body facing the casing is a back side, and the other side of the box body facing the casing is a front side. Through being located the mounting groove box dorsal part and being close to lower extreme left side position, the circulation of the air current of not only being convenient for, the assembly intercommunication between fan and the box of also being convenient for, the circuit plug terminal connection cable of being convenient for simultaneously.

In the electric cabinet structure of the sewing machine, a plurality of heat dissipation holes are formed in the front side of the cabinet body. The heat dissipation holes can also be used for dissipating heat of the cavity of the box body and the circuit board.

Compared with the prior art, the utility model provides an electric cabinet structure has following advantage:

1. the electric cabinet structure among this technical scheme is through optimizing the overall arrangement of the components and parts that generate heat to improve the radiator unit structure and generate heat the position relation between components and parts and the radiator unit, make cold wind constantly circulate behind the entering air current passageway and take the heat out, the whole radiating efficiency of electric cabinet structure has obtained the promotion, and the radiating effect is good, and is more energy-conserving moreover.

2. The electric cabinet structure in this technical scheme sets up circuit plug terminal through optimizing for the structural electric wire plug of control box is more convenient.

Drawings

Fig. 1 is a schematic structural view of the electric cabinet structure in an installation and use state.

Fig. 2 is a schematic perspective view of the electric cabinet structure.

Fig. 3 is an explosion structure schematic diagram of the electric cabinet structure.

In the figure, 1, a box body; 11. a cavity; 12. mounting grooves; 13. heat dissipation holes; 2. a circuit board; 3. a heat dissipating component; 31. an air flow channel; 32. a heat sink; 33. a base plate; 4. a heat generating element; 5. a housing; 6. a circuit plug-in terminal; 7. a housing; 8. a rear cover; 81. an air inlet hole; 9. a fan; 10. reinforcing ribs; 1a, a fixing strip; 1a1, connecting feet.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the sewing machine includes a machine case 7, one end of the machine case 7 is fixedly connected with a rear cover 8, a fan 9 is arranged in the rear cover 8, an air inlet 81 facing the fan 9 is arranged on the rear cover 8, the electric cabinet structure includes a cabinet 1 having a cavity 11, a circuit board 2 is fixedly arranged in the cabinet 1, an inward-concave mounting groove 12 is arranged on the back side of the cabinet 1, the bottom of the mounting groove 12 penetrates through and is communicated with the cavity 11 of the cabinet 1, a heat dissipation assembly 3 is arranged in the mounting groove 12, an air flow channel 31 is formed between the inner sides of the heat dissipation assembly 3, one side of the rear cover 8 is connected to one side of the cabinet 1, and the; the circuit board 2 is fixedly connected with a plurality of heating components 4, the heating components 4 are distributed on two sides of the heat dissipation assembly 3 and are attached to the outer side surface of the heat dissipation assembly 3, and a housing 5 for covering the heating components 4 is further arranged in the mounting groove 12 and positioned on two sides of the heat dissipation assembly 3; the circuit board 2 is also fixedly connected with a plurality of circuit plug terminals 6, and the circuit plug terminals 6 are positioned in the mounting groove 12 and close to one side of the box body 1.

Specifically, as shown in fig. 3, the heat dissipation assembly 3 includes a bottom plate 33 and two heat dissipation fins 32 arranged in parallel at intervals, the bottom plate 33 is arranged in parallel with the circuit board 2, two sides of the bottom plate 33 are distributed and fixedly connected with end portions of the two heat dissipation fins 32, the heat dissipation fins 32 are arranged perpendicular to the circuit board 2, the airflow channel 31 is located between the two heat dissipation fins 32, and the heat generating components 4 are distributed on outer side surfaces of the two heat dissipation fins 32; furthermore, a space is formed between the bottom plate 33 and the circuit board 2, the bottom plate 33 is fixed on the circuit board 2 through a connecting column, the bottom plate 33 and the radiating fins 32 are both rectangular plate bodies, the box body 1 is cuboid, the box body 1 is vertically arranged, and the radiating fins 32 and the airflow channels 31 between the two radiating fins 32 are vertically arranged; heating elements 4 outside each heat sink 32 are vertically arranged in a row, the housing 5 and the box body 1 are integrally formed, a fixing strip 1a is arranged in the housing 5, the fixing strip 1a is fixedly arranged on the heat sink 32, and a connecting pin 1a1 inserted between two adjacent heating elements 4 is arranged on the fixing strip 1 a. The pins of each heating component 4 are relatively long and are connected with the circuit of the circuit board 2 through the pins, one side of each heating component 4 faces the heat sink 32, and the other side faces the housing 5; protect it through housing 5, prevent that it from being struck by the foreign matter, fixed strip 1a can play the support fixed action, reduces rocking of heating element 4, keeps its steady operation state.

When the electric cabinet structure is used, the electric cabinet structure is hung on a shell 7 of a sewing machine in a back-hanging manner, the back side of the cabinet body 1 is fixedly connected with the shell 7 of the sewing machine through a screw hook and the like, and the main heating components 4 on the circuit board 2 are concentrated at the mounting groove 12; the heating components 4 are distributed on two sides of the heat dissipation assembly 3, heat generated by the heating components 4 is easily transferred to the heat dissipation assembly 3, and air is sent into the air flow channel 31 through the fan 9 and other devices, so that heat on the heat dissipation assembly 3 is quickly taken away. Through optimizing the overall arrangement of heating element 4 among this technical scheme to improve the positional relation between 3 structures of radiator unit and the heating element 4 and the radiator unit 3, make cold wind constantly circulate behind the entering airflow channel 31 and take the heat out, the whole radiating efficiency of electric cabinet structure has obtained the promotion, and the radiating effect is good, and is more energy-conserving moreover. In addition, the circuit plug-in terminal 6 is optimally arranged in the technical scheme, so that the plugging and unplugging of the electric wire on the control box structure are more convenient.

Further, as shown in fig. 2 and 3, reinforcing ribs 10 are arranged on the back side of the box body 1 in a criss-cross distribution; the reinforcing ribs 10 not only play a role in reinforcing and supporting the strength of the box body 1, but also can enable a gap to be reserved between the back side of the box body 1 and the shell 7 when the box body 1 is installed on the shell 7 of the sewing machine, so that air flow circulation is facilitated, and heat dissipation is assisted; further improve the radiating effect of electric cabinet. The mounting groove 12 is positioned at the left side of the back side of the box body 1 close to the lower end; the circuit plug terminals 6 are vertically arranged in a row and are close to the left side of the box body 1; the front side of the box body 1 is also provided with a plurality of heat dissipation holes 13.

In this embodiment, one end of the case 7 where the rear cover 8 is installed is left, the opposite direction is right, one side of the case 1 installed toward the case 7 is a back side, and the other side is a front side.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, a box is used more herein; 11. a cavity; 12. mounting grooves; 13. heat dissipation holes; 2. a circuit board; 3. a heat dissipating component; 31. an air flow channel; 32. a heat sink; 33. a base plate; 4. a heat generating element; 5. a housing; 6. a circuit plug-in terminal; 7. a housing; 8. a rear cover; 81. an air inlet hole; 9. a fan; 10. reinforcing ribs; 1a, a fixing strip; 1a1, connecting feet, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The electric cabinet structure of the sewing machine comprises a box body (1) with a cavity (11), wherein a circuit board (2) is fixedly arranged in the box body (1), and is characterized in that an inwards concave mounting groove (12) is formed in the back side of the box body (1), the bottom of the mounting groove (12) penetrates through the cavity (11) communicated with the box body (1), a heat dissipation assembly (3) is arranged in the mounting groove (12), a plurality of heating components (4) are fixedly connected to the circuit board (2), and the heating components (4) are distributed on two sides of the heat dissipation assembly (3) and are attached to the outer side face of the heat dissipation assembly (3); the circuit board (2) is fixedly connected with a plurality of circuit plug-in terminals (6), and the circuit plug-in terminals (6) are positioned in the mounting grooves (12) and close to one side of the box body (1).

2. The electric cabinet structure of sewing machine according to claim 1, characterized in that an air flow channel (31) is formed between the inner sides of the heat dissipating components (3), and a cover (5) covering the heat generating components (4) is further provided in the mounting groove (12) at both sides of the heat dissipating components (3).

3. The electric cabinet structure of the sewing machine according to claim 2, wherein the heat dissipation assembly (3) comprises a bottom plate (33) and two heat dissipation fins (32) arranged in parallel and at intervals, the bottom plate (33) is arranged in parallel with the circuit board (2), two sides of the bottom plate (33) are fixedly connected with the end parts of the two heat dissipation fins (32), the heat dissipation fins (32) are arranged perpendicular to the circuit board (2), the air flow channel (31) is arranged between the two heat dissipation fins (32), and the heat generating component (4) is arranged on the outer side surfaces of the two heat dissipation fins (32).

4. The electric cabinet structure of sewing machine according to claim 3, characterized in that, the bottom plate (33) with have the interval between the circuit board (2), the bottom plate (33) is fixed on the circuit board (2) through the spliced pole, bottom plate (33) and fin (32) all are the rectangular plate body, box (1) is the cuboid, box (1) vertical setting, the equal vertical setting of airflow channel (31) between fin (32) and two fin (32).

5. The electric cabinet structure of sewing machine according to claim 4, characterized in that the heating components (4) outside each heat sink (32) are vertically arranged in a row, the cover (5) and the box body (1) are integrally formed, a fixing strip (1a) is arranged in the cover (5), the fixing strip (1a) is fixedly arranged on the heat sink (32), and the fixing strip (1a) is provided with a connecting pin (1a1) inserted between two adjacent heating components (4).

6. The electric cabinet structure of sewing machine according to claim 2 or 3 or 4 or 5, characterized in that the sewing machine comprises a machine shell (7), one end of the machine shell (7) is fixedly connected with a rear cover (8), a fan (9) is arranged in the rear cover (8), an air inlet (81) opposite to the fan (9) is arranged on the rear cover (8), one side of the rear cover (8) is connected with one side of the box body (1), and the inside of the rear cover (8) is communicated with the air flow channel (31).

7. The electric cabinet structure of sewing machine according to claim 1 or 2 or 3 or 4 or 5, characterized in that the back side of the box body (1) is provided with reinforcing ribs (10) distributed in criss-cross.

8. The electric cabinet structure of sewing machine according to claim 1 or 2 or 3 or 4 or 5, characterized in that the mounting groove (12) is located at the left side of the back side of the box body (1) near the lower end; the circuit plug-in terminals (6) are vertically arranged in a row and are close to the left side of the box body (1).

9. The electric cabinet structure of sewing machine according to claim 1 or 2 or 3 or 4 or 5, characterized in that the front side of the box body (1) is further distributed with a plurality of heat dissipation holes (13).