CN105002675A - Dust barrel for a sewing machine - Google Patents

Abstract

The invention discloses a dust barrel for a sewing machine. The barrel comprises a sewing machine, a controller arranged on the sewing machine and a barrel body, and the upper end of the barrel body is provided with an opening; the opening of the barrel body is provided with a barrel cover, and a protective hood is fixedly mounted above the barrel cover; the protective hood is provided with a brushless motor therein; the brushless motor is connected to a control system; the control system is connected to a switch, and a speed-adjustment knob; the brushless motor is connected to a fan blade which is positioned inside the barrel body; the fan blade is covered with a filtering cartridge; the protective hood is provided with a lifting handle; the protective hood is provided with an air exhaust opening; the barrel cover is provided with a first air opening and a second air opening thereon; the first air opening and the second air opening are communicated with the inner space of the barrel body; the control system is connected to a plug. The dust barrel of the invention can collect dust without the cooperation with an external air source, thus preventing the problem of loud noise in dust collection. The dust barrel has a wide range of application and is not subject to any limitation.

Description

Sewing machine dust bucket

technical field

The invention relates to a dust collecting bucket of a sewing machine.

Background technique

The dust collection device is one of the most important devices in the sewing machine. It is used to collect impurities such as thread ends and rags. The most critical part of the dust collection device is the dust collection bucket. The general dust collection bucket is connected with an external air source. The connection creates a negative pressure in the bucket to generate suction for dust collection. The large flow of gas between the external air source and the dust bucket will cause a lot of noise, which will affect the working environment of the staff, and the general dust bucket cannot be used alone. In use, it needs to cooperate with other devices of the sewing machine to collect dust, so its application is too limited.

In addition, the dust collection mode adopted by the general sewing machine dust collection device is to collect dust in the gap. When dust collection is required, the dust collection device will be started again. Suck away the thread used for sewing, and the general dust collection device cannot absorb the dandruff on the tooth frame, and the dross accumulates for a long time, it is very easy to block the tooth frame, and the dross is due to its own material They all have a certain degree of oil absorption. If the dander is distributed between the parts, it is very easy to absorb the lubricating oil between the parts, causing the phenomenon of seizure between the parts and shortening the service life of the sewing machine. The dust collection device cannot absorb hair shavings and other impurities, and the hair shavings and other impurities are easily scattered in the air with the air flow. Staff working in this air environment for a long time will easily affect their health. Cause some lung diseases.

Contents of the invention

The technical problem to be solved by the present invention is to provide a sewing machine dust collection bucket, which can carry out dust collection work without the cooperation of an external air source, avoiding the problem of high noise during dust collection, and has wider application without limitation.

The technical solution adopted by the present invention to solve the problems of the technologies described above is:

The invention discloses a sewing machine dust collecting bucket, which comprises a sewing machine, a controller arranged on the sewing machine and a bucket body, and is characterized in that: the upper end of the bucket body has an opening; the opening of the bucket body is covered with a bucket cover, and the bucket cover A protective cover is installed and fixed on the top; a brushless motor is mounted inside the protective cover; the brushless motor is connected with a control system; the control system is connected with a switch and a speed control knob; the brushless motor is connected with a fan blade, The fan blade is located in the barrel; the fan blade cover has a filter element; the protective cover is provided with a handle; the protective cover is provided with an exhaust port; the barrel cover is provided with a first air port and a second air port; Both the first tuyere and the second tuyere communicate with the inner space of the bucket body; the control system is connected with a plug.

The outer wall of the barrel is provided with a number of locks evenly distributed around the circumference; the locks are fastened on the lid to make the lid and the barrel fixedly connected.

An electromagnet is fixed on the lower surface of the bung; the electromagnet is connected with a screw, and the screw is connected with a connecting piece; the connecting piece is fixed on the lower surface of the bung by a fixing pin; the connecting piece is connected with a partition Fixed connection.

The controller is respectively connected with the brushless motor, the switch, the speed regulating knob and the electromagnet.

The brushless motor is a brushless DC motor.

The brushless motor is a brushless AC motor.

The control system is connected with a connection line, and one end of the connection line is provided with a signal receiving head.

The beneficial effects of the present invention are:

Compared with the prior art, the protective cover of the sewing machine dust collecting barrel adopting the structure of the present invention is equipped with a brushless motor, and the brushless motor is connected with a fan blade, and the fan blade is located in the barrel body, so when the fan blade is powered by the motor Rotation occurs to make the dust collection bucket generate suction. At this time, the staff only need to connect the hoses to the first air outlet and the second air outlet respectively. The other end of the hose connected to the first air outlet can be connected to the cutting machine of the sewing machine It can also be installed on the tooth frame of the sewing machine to absorb the dross on the tooth frame. The other end of the hose connected to the second air outlet can be connected to the sewing device of the sewing machine. The rags are sucked, because the motor that provides the power is a brushless motor, so the noise is extremely low, so that the staff can work in a good working environment, and the service life of the brushless motor is longer than that of the general motor, and it can be used to the greatest extent. Improve the service life of the dust bucket.

Compared with the prior art, the dust collecting bucket of the sewing machine adopting the structure of the present invention is in a long suction state. Once the switch is turned on, the dust collecting bucket just starts to collect dust all the time. The cloth suction port, the first thread suction port, and the second thread suction The suction force generated by the mouthpiece is extremely uniform, and there will be no situation where the thread end is sucked away due to the excessive suction force caused by the instantaneous suction force. If the tooth frame is not cleaned up, the tooth frame will be blocked, and the lubricating oil between the parts will not be absorbed by the dross. The existence of the lubricating oil between the parts ensures the service life of the sewing machine, and the suction port, the first The suction generated by the first thread suction port and the second thread suction port can clean up and absorb the impurities produced in the sewing process at the first time, so that there will be no dander and other impurities floating in the air, ensuring air quality , so that the staff can work in this kind of working environment for a long time without affecting the health of the staff.

Compared with the prior art, the protective cover of the sewing machine dust collecting bucket adopting the structure of the present invention is provided with a handle, so the staff can move the position of the dust collecting bucket according to actual needs, which is very convenient, and because the dust collecting bucket The suction comes from the brushless motor, so it can be used alone without connecting an external air source, and the dust collection bucket can be moved by holding the handle on the protective cover, while the other hand can hold the hose to remove the ground garbage Or other garbage for dust collection, and one end of the hose suction can be installed with a suction head, so that the dust collection bucket can be used as a general household dust collector, not limited to the sewing machine, and the suction can be controlled by the speed adjustment knob The size can be adjusted, so there is no need to worry about the situation that the large-volume garbage cannot be sucked due to insufficient suction, and at the same time, adjusting the speed can prevent the cloth from being pulled due to excessive suction.

Compared with the prior art, an electromagnet is fixed on the lower surface of the bucket cover of the sewing machine dust collection bucket with the structure of the present invention, and the electromagnet is connected with a screw rod, and the screw rod is connected with a connecting piece, and the connecting piece is fixed to the bucket through a fixing pin. Cover the lower surface, and the connecting piece is fixedly connected with the partition, so when the electromagnet receives the signal output by the sewing machine controller, the electromagnet controls the screw to eject, and at this time the connecting piece connected to the screw is ejected accordingly. The partition plate rotates around the fixed pin with the connecting piece to cover the first or second air outlet. If the first air outlet is covered, the suction force generated by the second air outlet will increase instantly, reducing the suction force that would otherwise have been laborious. The rags are sucked into the barrel instantly, if the second air outlet is covered, the suction of the first air outlet will increase instantly, and the thread ends or dander will be sucked into the barrel instantly, and the instantly increased suction can clean the inner tube of the hose. The role of the road avoids the blockage of the hose line.

Description of drawings

Fig. 1 is the perspective view of the sewing machine dust collecting bucket of the present invention;

Fig. 2 is a schematic structural view of the sewing machine dust collecting barrel of the present invention;

Fig. 3 is a sectional view of the dust collecting bucket of the sewing machine of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

Please refer to Fig. 1 to Fig. 3, the present invention provides a kind of sewing machine dust collection bucket, comprises barrel body 1, and described barrel body 1 upper end has an opening 2; Said barrel body opening 2 is covered with a barrel cover 3, and barrel cover 3 A protective cover 4 is installed and fixed on the top; a brushless motor 5 is mounted inside the protective cover 4; the brushless motor 5 is connected with a control system 51; the control system 51 is connected with a switch 6 and a speed regulating knob 7; The brushless motor 5 is connected with a fan blade 8, and the fan blade 8 is located in the bucket body 1; the fan blade 8 is covered with a filter element 81; the protective cover 4 is provided with a handle 9; the protective cover 4 is provided with a row of The air port 10; the barrel cover 3 is provided with a first air port 11 and a second air port 12; the first air port 11 and the second air port 12 are connected with the inner space of the barrel body 1; the control system 51 is connected to a plug13.

The outer wall of the bucket body 1 is provided with a number of locks 14 evenly distributed around the circumference;

An electromagnet 15 is fixed on the lower surface of the bung 3; the electromagnet 15 is connected with a screw mandrel 16, and the screw mandrel 16 is connected with a connector 17; the connector 17 is fixed on the lower surface of the bung 3 by a fixing pin 18 ; The connector 17 is fixedly connected with a partition 19 .

The controller is connected with the brushless motor 5, the switch 6, the speed control knob 7 and the electromagnet 15 respectively.

The brushless motor 5 is a brushless DC motor.

The brushless motor 5 is a brushless AC motor.

The control system 51 is connected with a connection line 20 , and a signal receiving head 21 is provided at one end of the connection line 20 .

The using method of the present invention is as follows:

Insert the plug 13 that is connected with the control system into the power supply earlier. After the sewing machine starts working, press the switch 6 that is located on the control system. At this time, the switch 6 gives the control system 51 an open signal, and the control system 51 makes no The brush motor 5 starts to run, and the brushless motor 5 can also be started by directly relying on the controller on the sewing machine to give a signal. When the controller is turned off, the signal disappears and the dust bucket stops running. After the brushless motor 5 is running, the fan blade 8 rotates under the power provided by the motor, and the gas in the bucket body 1 is drawn out by the fan blade 8 through the filter core 81, and is discharged through the exhaust port 10 on the protective cover. Negative pressure is formed in the bucket body 1 to make the dust collection bucket generate suction. The staff only need to connect the hose to the first tuyere 11 and the second tuyere 12, and the other end of the hose connected to the first tuyere 11 It can be connected to the thread trimming device of the sewing machine to suck the thread ends, or it can be installed on the tooth frame of the sewing machine to suck the dander on the tooth frame. The other end of the hose connected to the second tuyere 12 can be connected to the On the sewing device of the sewing machine, the rags are sucked, and the suction power can be adjusted through the speed adjustment knob 7, so there is no need to worry about the situation that the large-volume garbage cannot be sucked due to insufficient suction power, and at the same time, adjusting the speed can prevent it from being caused by excessive suction power. The situation where the cloth is pulled.

The presence of the filter element 81 makes the wind blade 8 block the thread ends or rags in the barrel body 1 when the air flow in the barrel is extracted, so that the thread ends and rags will not be sucked into the wind blades along with the air flow, thereby preventing the wind blades 8 from inhaling impurities. In the case of damage caused by objects, since the motor providing power is a brushless motor 5, the noise is extremely low, so that the staff can work in a good working environment, and the service life of the brushless motor 5 is longer than that of ordinary motors. Maximize the service life of the dust collection bucket. At the same time, the dust collection mode of this dust collection bucket is set to the long suction state, and the dust collection work is carried out continuously. When the thread ends during the sewing process, it will be sucked into the hose , and the suction force will straighten the trimmed thread ends, making the thread trimming incision smoother, and because the thread ends are straightened during the sewing process, the thread sets produced by sewing will be more beautiful and evenly spaced.

Once the switch of the dust collection barrel of the sewing machine in the present invention is turned on, the dust collection barrel starts to collect dust all the time, and the suction force generated by the cloth suction port, the first thread suction port, and the second thread suction port is very uniform, and there will be no instantaneous suction causing If the suction force is too large and the thread ends are sucked away, the suction generated by the second thread suction port can absorb the dandruff on the tooth frame, avoiding the situation of clogging the tooth frame caused by the dandruff not being cleaned for a long time, and there will be no hair loss. The swarf absorbs the lubricating oil between the parts. The existence of the lubricating oil between the parts ensures the service life of the sewing machine, and the suction force generated by the cloth suction port, the first thread suction port and the second thread suction port The impurities produced in the sewing process can be cleaned and absorbed at the first time, so that there will be no dander and other impurities floating in the air, which ensures the air quality and enables the staff to work in this working environment for a long time. And will not affect the health of the staff.

The protective cover 4 of the present invention is provided with a handle 9, so it is very convenient for the staff to move the position of the dust collection bucket according to actual needs, and since the suction of the dust collection bucket comes from the brushless motor 5, there is no need to connect an external gas The source can be used alone, and the dust bucket can be moved by holding the handle 9 on the protective cover, while the other hand can hold the hose to collect dust on the ground or other garbage, and the hose sucks One end of the dust can be installed with a dust suction head, so that the dust collecting barrel can be used as a general household dust collector, not limited to the sewing machine.

After the dust collection is over, when it is necessary to clean up the garbage in the dust collection barrel, you only need to pull the lock 14 to make the lock 14 leave the bucket cover 3, and then lift the bucket cover 3 by holding the handle 9 on the protective cover to use. It is separated from the bucket body 1, and then the garbage in the bucket body 1 can be poured out. If the dust collecting bucket is to be used again, the bucket lid 3 needs to be locked through the lock 14, so that the gap between the bucket body 1 and the bucket lid 3 are in a fixed connection state.

The lower surface of the bung 3 of the present invention is fixed with an electromagnet 15, and the electromagnet 15 is connected with a screw mandrel 16, and the screw mandrel 16 is connected with a connector 17, and the connector 17 is fixed on the lower surface of the bung 3 by a fixing pin 18, and The connecting piece 17 is fixedly connected with the dividing plate 19, so when the electromagnet 15 receives the signal output by the sewing machine controller, the electromagnet 15 controls the screw mandrel 16 to eject, and the connecting piece 17 connected with the screw mandrel 16 is ejected thereupon. out, and the partition plate 19 rotates around the fixed pin 18 with the connecting piece 17 to cover the first tuyere 11 or the second tuyere 12. If the first tuyere 11 is covered, the suction force generated by the second tuyere 12 will be Instantly increase the rags that need to be absorbed into the bucket body 1 instantly. If the second tuyere 12 is covered, the suction of the first tuyere 11 will instantly increase, and the thread ends or dander will be sucked into the bucket instantly In the body, the instantaneously increased suction has the effect of cleaning the internal pipeline of the hose, avoiding the clogging of the hose pipeline.

A connection line 20 is connected to the control system 51, and the connection line 20 can be connected to other external devices. The signal receiving head 21 on the connection line can receive the signal on the external device. When the external device starts to run, the control The system 51 can make the dust collecting bucket run synchronously with the external device through the information fed back by the signal receiving head 21, and can also be closed with the external device. .

Claims (7)

1. a sewing machine dust collecting barrel, comprises Sewing machines, is located at controller on Sewing machines and staving, it is characterized in that: described staving upper end has an opening; Described staving opening part is stamped a bung, is mounted with a protective cover above bung; Described protective cover internal frame is provided with a brushless electric machine; Described brushless electric machine is connected with a control system; Described control system is connected with switch, speed governing knob; Described brushless electric machine is connected with a fan blade, and fan blade is positioned at staving; Described fan blade is covered with a filter core; Described protective cover is provided with a handle; Described protective cover is provided with an exhaust outlet; Described bung is provided with the first air port, the second air port; Described first air port, the second air port all connect with staving inner space; Described control system is connected with a plug.

2. a kind of sewing machine dust collecting barrel according to claim 1, is characterized in that: described bucket outer wall is provided with some snap closes be circularly and evenly distributed; Described snap close is buckled on bung, makes to be fixedly connected with between bung with staving.

3. a kind of sewing machine dust collecting barrel according to claim 1, is characterized in that: described bung lower surface is fixed with an electromagnet; Described electromagnet is connected with screw mandrel, and screw mandrel is connected with connector; Described connector is fixed on bung lower surface by a steady pin; Described connector is fixedly connected with a dividing plate.

4. a kind of sewing machine dust collecting barrel according to claim 1 or 3, is characterized in that: described controller is connected with brushless electric machine, switch, speed governing knob, electromagnet respectively.

5. a kind of sewing machine dust collecting barrel according to claim 1, is characterized in that: described brushless electric machine is brshless DC motor.

6. a kind of sewing machine dust collecting barrel according to claim 1, is characterized in that: described brushless electric machine is brushless AC motor.

7. a kind of sewing machine dust collecting barrel according to claim 1, it is characterized in that: described control system is connected with a connecting line, connecting line one end is provided with Signal reception head.