CN105369489A - Air suction device for sewing machine - Google Patents

Air suction device for sewing machine Download PDF

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Publication number
CN105369489A
CN105369489A CN201510917603.2A CN201510917603A CN105369489A CN 105369489 A CN105369489 A CN 105369489A CN 201510917603 A CN201510917603 A CN 201510917603A CN 105369489 A CN105369489 A CN 105369489A
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CN
China
Prior art keywords
suction
air
cover
sewing machines
cloth
Prior art date
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Granted
Application number
CN201510917603.2A
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Chinese (zh)
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CN105369489B (en
Inventor
李创
符志诚
黄先旺
宋国庆
刘顺财
陈勇智
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Jack Sewing Machine Co Ltd
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Jack Sewing Machine Co Ltd
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Filing date
Publication date
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Priority to CN201510917603.2A priority Critical patent/CN105369489B/en
Publication of CN105369489A publication Critical patent/CN105369489A/en
Application granted granted Critical
Publication of CN105369489B publication Critical patent/CN105369489B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B81/00Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding

Abstract

The invention provides an air suction device for a sewing machine. The air suction device for the sewing machine comprises a garbage can for holding waste thread residues and waste cloth, a top cover disposed at the top of the garbage can and used for sealing the garbage can, an air suction mechanism, a sound-attenuation dustproof cover and a housing. A cloth suction opening and a thread residue suction opening are formed in the top cover. The cloth suction opening is connected with a cloth suction tube, and the thread residue suction opening is connected with a thread suction tube. The air suction mechanism comprises an air suction motor disposed on the outer surface of the top cover and an air suction channel disposed in the inner surface of the top cover. The air suction motor is communicated with the air suction channel, and an electric control wire connected with a main control unit on the sewing machine is arranged on the air suction motor. The sound-attenuation dustproof cover covers the air suction motor and is provided with a spiral sound-attenuation channel. The housing is fixed to the top cover and covers the sound-attenuation dustproof cover. The air suction device for the sewing machine is good in sound-attenuation effect and long in service life.

Description

Sewing machines air intake device
Technical field
The present invention relates to sewing machine technique field, particularly relate to a kind of Sewing machines air intake device.
Background technology
Air intake device is one of extremely important attachment device in Sewing machines, and it is mainly used to collect the impurity such as the end of a thread and cloth waste.At present, air intake device is divided into two classes, and a class is the pneumatic air intake device that external gas source coordinates, and one is motor-driven electric air-suction device.All there is the problem that sound is loud, service life is short in existing electric air-suction device, and the suction difficulty or ease of Thread odds suction and suction cloth are adjusted to required size.
Chinese patent 201510298016.X discloses a kind of dust collect plant of Sewing machines, and it comprises dust bucket, and dust bucket is provided with upper cover plate; Upper cover plate offers dust suction deutostoma and inhales spool connector; The inner chamber of dust bucket is provided with motor, and the output shaft of motor connects fan; Outside or the inner chamber of dust bucket are provided with electromagnet, and one end of electromagnet forms snap arm, and snap arm is fixedly connected with connecting pin, and connecting pin connects the free end of revolving part, and the stiff end of revolving part is provided with steady pin, and connecting pin can rotate around steady pin; Connecting pin is fixedly connected with dividing plate; Electromagnet drives snap arm to eject, and snap arm drives connecting pin to rotate around steady pin, and connecting pin drives dividing plate to rotate thereupon, realizes the covering to dust suction deutostoma.Adopt the series of complex mechanisms such as electromagnet in the present invention, serve the effect increasing instantaneously and inhale spool suction, but it can not the size of free adjustment suction.
Therefore, the use in sewing machine air intake device of a kind of low noise, long service life is needed.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of Sewing machines air intake device, for solving the problem that in prior art, air intake device noise is large, service life is short.
For achieving the above object and other relevant objects, the invention provides a kind of Sewing machines air intake device, described Sewing machines air intake device comprises: the dustbin holding scrap wire head and useless cloth;
Be placed in the top cover that dustbin seals by dustbin top, described top cover is provided with cloth suction inlet and the end of a thread suction inlet, and cloth suction inlet is connected with suction stringing, and the end of a thread suction inlet is connected with suction spool;
Air suction mechanism, comprises the induced-draught electric motor being placed in top cover outer surface, and is placed in the air-suction channel of described top cover inner surface, and induced-draught electric motor is connected with air-suction channel, and induced-draught electric motor is provided with the electrical control lines for being connected with the Master Control Unit on Sewing machines;
Noise elimination dust cover, covers on described induced-draught electric motor, and described noise elimination dust cover has spiral helicine silencing channel;
Shell, is fixed in being located on described top cover and by described noise elimination dust cover.
Preferably, described air-suction channel is helical form.
Preferably, described air-suction channel is formed by multiple linear leaf helical arrangement.
Preferably, the inner surface of described noise elimination dust cover scribbles deadener.
Preferably, the top of described noise elimination dust cover is semicircle chondritic, and the circumferential wall of described noise elimination dust cover encompasses described spiral helicine silencing channel.
Preferably, described Sewing machines air intake device also comprise for regulate suck the end of a thread time suction size suction regulating part, suction regulating part is detachably arranged on described cloth suction inlet, described suction regulating part comprises the installed part that can be fixed on described cloth suction inlet place, and be placed in installed part top and the adjusting knob that can relatively rotate, the end face of described installed part is provided with multiple first air inlet, described adjusting knob is provided with the second corresponding air inlet of multiple and described first air inlet, the first air inlet and the second air inlet can be made partly or entirely to communicate by rotation of adjustment knob.
Preferably, described Sewing machines air intake device also comprises for switching the function changing-over mechanism collecting the end of a thread and cloth, function changing-over mechanism comprises the driving mechanism be located in described shell, and be located at the rotatable baffle plate of top cover inner surface, described baffle plate is connected with driving mechanism, and baffle plate remains one that blocks in cloth suction inlet and the end of a thread suction inlet under driving mechanism drives.
Preferably, described baffle plate is about the symmetrical structure of baffle plate self pivot, and the two ends of baffle plate are respectively the circular piece that described cloth suction inlet or described the end of a thread suction inlet can be blocked.
Preferably, the power module be connected with described induced-draught electric motor is also provided with in described shell
As mentioned above, Sewing machines air intake device of the present invention, has following beneficial effect: adopt noise elimination dust cover to the noise sent under reducing induced-draught electric motor High Rotation Speed, noise reduces lowest frequency through spiral helicine silencing channel; The present invention adopts spiral helicine air-suction channel to make under the suction of induced-draught electric motor, to form spiral duct in whole dustbin in addition, makes it produce stronger negative pressure, increases the suction at cloth suction inlet or the end of a thread suction inlet place; Also switch the selection of suction inlet by function changing-over mechanism in real time, be convenient to the adjustment of suction; The suction arranged when can regulate Thread odds suction as required of suction regulating part, avoids suction excessive or too small; Sewing machines air intake device of the present invention its protect induced-draught electric motor, and suction can regulate with the need, extends its service life.
Accompanying drawing explanation
Fig. 1 is shown as Sewing machines air intake device schematic diagram of the present invention.
The dustbin that Fig. 2 is shown as Sewing machines air intake device of the present invention is separated schematic diagram with top cover.
Fig. 3 is shown as the mounting structure schematic diagram of top cover outer surface of the present invention.
Fig. 4 is shown as the mounting structure schematic diagram on top cover inner surface of the present invention.
Fig. 5 is shown as the schematic diagram of noise elimination dust cover of the present invention.
Fig. 6 is shown as spiral helicine silencing channel schematic diagram of the present invention.
Fig. 7 is shown as the scheme of installation of driving mechanism of the present invention.
Fig. 8 is shown as the structural representation of suction regulating part of the present invention.
Element numbers explanation
1 dustbin
2 top covers
3 inhale spool
31 the end of a thread suction inlets
4 inhale stringing
5 electrical control lines
6 shells
7 snap closes
8 air-suction channels
9 suction regulating parts
91 installed parts
92 adjusting knobs
93 the 3rd air inlets
94 second air inlets
10 baffle plates
11 driving mechanisms
12 noise elimination dust covers
121 induced-draught electric motor container cavities
122 connecting portions
123 silencing channels
13 power modules
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 8.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, all should still drop in scope that disclosed technology contents can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 and 2, the invention provides a kind of Sewing machines air intake device, described Sewing machines air intake device comprises: the dustbin 1 holding scrap wire head and useless cloth;
Be placed in the top cover 2 that dustbin 1 seals by dustbin top, described top cover 2 is provided with cloth suction inlet and the end of a thread suction inlet, and cloth suction inlet is connected with suction stringing 4, and the end of a thread suction inlet is connected with suction spool 3;
Air suction mechanism, comprises the induced-draught electric motor being placed in top cover outer surface, and is placed in the air-suction channel 8 of described top cover inner surface, and induced-draught electric motor is connected with air-suction channel 8, and induced-draught electric motor is provided with the electrical control lines 5 for being connected with the Master Control Unit on Sewing machines; Noise elimination dust cover 12, as shown in Figure 3, covers on induced-draught electric motor, and noise elimination dust cover 12 has spiral helicine silencing channel 123 (as shown in Figure 5);
Shell 6, is fixed in being located on top cover 2 and by noise elimination dust cover 12.
The present invention is provided with noise elimination dust cover, in by noise elimination dust cover induced-draught electric motor being located at, the noise that induced-draught electric motor is produced is discharged along spiral helicine silencing channel, play the effect of noise reduction, and induced-draught electric motor is placed in noise elimination dust cover, avoid the end of a thread or cloth to drop on induced-draught electric motor, make it be polluted and reduce service life.
To eliminate the noise as the present invention a specific embodiment of dust cover, as shown in Figure 5, above-mentioned noise elimination dust cover 12 has induced-draught electric motor container cavity 121, and the top of noise elimination dust cover 12 is semicircle chondritic, and the circumferential wall of noise elimination dust cover encompasses spiral helicine silencing channel 123.This noise elimination dust cover reaches noise reduction by three aspects: 1) induced-draught electric motor run up produce the semicircle spherical structure reflects of sound wave through noise elimination dust cover top, the sound wave generation interference gathered in same point causes its amplitude to reduce, thus reduces its sound; 2) sound wave follows air to flow out along spiral helicine silencing channel 123, sound has been carried out to the effect of good dilution, interference, as shown in Figure 6; 3) scribble deadener at the inner surface of noise elimination dust cover 12, realize better noise reduction.
For ease of fixing above-mentioned noise elimination dust cover 12, the outer wall of above-mentioned noise elimination dust cover 12 is provided with for installing fixing connecting portion 122.Generally, with bolt hole on connecting portion 122, by bolt, noise elimination dust cover is fixed.
This noise elimination dust cover 12 also has good dust-proof effect on the basis of eliminating the noise; in induced-draught electric motor is contained in by it; and be only connected with the external world by spiral helicine silencing channel 123; completely closed by induced-draught electric motor; only has an air stream outlet; well protect induced-draught electric motor away from assorted dirt, line hair, cloth bits etc., effectively optimize the working environment of induced-draught electric motor, extend the service life of induced-draught electric motor.
As a specific embodiment of air-suction channel of the present invention, as shown in Figures 2 and 4, above-mentioned air-suction channel 8 is helical form.Preferably, air-suction channel 8 is formed by multiple linear leaf helical arrangement, and the air-flow entering air-suction channel 8 like this can be entered by the spiral slit between adjacent linear leaf, strengthens air inlet area.For increasing air current flow power, above-mentioned air-suction channel is horn-like, and as shown in Figure 2, big opening end is connected with induced-draught electric motor, and osculum end stretches in dustbin 1.Easily air-flow can be sucked like this, and easily form large spiral air flow.
Above-mentioned induced-draught electric motor deflates, and air counterclockwise (also can be clockwise) to rotate along air-suction channel 8 one-tenth and discharges; The air of dustbin inside, along with the direction of top spiral cyclone, is rotated counterclockwise along air-suction channel 8 and enters spiral helicine air-suction channel, and form negative pressuren zone around it; Now just form the cyclone as tornado is rotated counterclockwise in whole dustbin, produce powerful negative pressure region, the air inlet of dustbin 1 is had very strong suction.
As another embodiment of Sewing machines air intake device of the present invention, its also can comprise for regulate suck the end of a thread time suction size suction regulating part, sketch 2, shown in Fig. 3 and Fig. 8, this suction regulating part 9 is detachably arranged on cloth suction inlet, suction regulating part 9 comprises the installed part 91 that can be fixed on cloth suction inlet place, and be placed in installed part top and the adjusting knob 92 that can relatively rotate, the end face of described installed part 91 is provided with multiple first air inlet, described adjusting knob 92 is provided with the second corresponding air inlet 94 of multiple and described first air inlet, the first air inlet and the second air inlet 94 can be made partly or entirely to communicate by rotation of adjustment knob 92.The present embodiment regulates the suction in the end of a thread suction inlet 31 by the suction regulating part 9 being arranged on cloth suction inlet place, manual rotation adjusting knob 92 is only needed during adjustment, first air inlet and the second air inlet 94 are staggered mutually or changes capped area, structure is simple, is easy to regulate.
For increasing intake, the sidewall of above-mentioned installed part 91 is provided with the 3rd air inlet 93, as shown in Figure 8.For ease of manufacturing, above-mentioned all first air inlets and all second air inlets 94 all hoop are uniformly distributed.
As another embodiment of Sewing machines air intake device of the present invention, it also can comprise for switching the function changing-over mechanism collecting the end of a thread and cloth, as shown in Fig. 2, Fig. 4 and Fig. 7, function changing-over mechanism comprises the driving mechanism 11 be located in shell 6, the present embodiment driving mechanism 11 can be electric rotating machine, and be located at the rotatable baffle plate 10 of top cover inner surface, described baffle plate 10 is connected with driving mechanism 11, and baffle plate 10 remains one that blocks in cloth suction inlet and the end of a thread suction inlet 31 under driving mechanism 11 drives.Figure 4 shows that cloth suction inlet blocks by baffle plate, the end of a thread suction inlet is opened, and now air intake device is for collecting scrap wire head.The present embodiment adopts baffle plate 10 to keep blocking in cloth suction inlet and the end of a thread suction inlet 31, and when preventing from sewing, the end of a thread is inhaled loose, and Appropriate application power of motor solves the problem of power dissipation.
Above-mentioned baffle plate 10 is about the symmetrical structure of baffle plate self pivot, and the two ends of baffle plate 10 are respectively the circular piece that described cloth suction inlet or described the end of a thread suction inlet can be blocked.
For ease of using, be also provided with the power module 13 be connected with induced-draught electric motor in above-mentioned shell 6, as shown in Figure 3.In the present embodiment, dustbin 1 and top cover 2 are fixedly linked by multiple snap close 7, and the design of snap close 7 is convenient to open dustbin 1 and is toppled over waste material.Air intake device, without the need to installing, only need be connected with external power source and with the Master Control Unit of Sewing machines by this air intake device, installs simple.
In sum, Sewing machines air intake device of the present invention, it is provided with noise elimination dust cover, in by noise elimination dust cover induced-draught electric motor being located at, the noise that induced-draught electric motor is produced is discharged along spiral helicine silencing channel, plays the effect of noise reduction, and induced-draught electric motor is placed in noise elimination dust cover, avoid the end of a thread or cloth to drop on induced-draught electric motor, make it be polluted and reduce service life.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.

Claims (9)

1. a Sewing machines air intake device, is characterized in that, described Sewing machines air intake device comprises:
Hold the dustbin (1) of scrap wire head and useless cloth;
Be placed in the top cover (2) that dustbin (1) seals by dustbin top, described top cover (2) is provided with cloth suction inlet and the end of a thread suction inlet (31), cloth suction inlet is connected with suction stringing (4), and the end of a thread suction inlet (31) is connected with suction spool (3);
Air suction mechanism, comprise the induced-draught electric motor being placed in top cover outer surface, and be placed in the air-suction channel (8) of described top cover inner surface, induced-draught electric motor is connected with air-suction channel (8), and induced-draught electric motor is provided with the electrical control lines (5) for being connected with the Master Control Unit on Sewing machines;
Noise elimination dust cover (12), covers on described induced-draught electric motor, and described noise elimination dust cover (12) has spiral helicine silencing channel (123);
Shell (6), is fixed on described top cover (2) upper and in described noise elimination dust cover (12) being located at.
2. Sewing machines air intake device according to claim 1, is characterized in that: described air-suction channel (8) is helical form.
3. Sewing machines air intake device according to claim 2, is characterized in that: described air-suction channel (8) is formed by multiple linear leaf helical arrangement.
4. Sewing machines air intake device according to claim 1, is characterized in that: the inner surface of described noise elimination dust cover (12) scribbles deadener.
5. Sewing machines air intake device according to claim 1, it is characterized in that: the top of described noise elimination dust cover (12) is semicircle chondritic, the circumferential wall of described noise elimination dust cover (12) encompasses described spiral helicine silencing channel (123).
6. Sewing machines air intake device according to claim 1, it is characterized in that: described Sewing machines air intake device also comprise for regulate suck the end of a thread time suction size suction regulating part (9), suction regulating part (9) is detachably arranged on described cloth suction inlet, described suction regulating part (9) comprises the installed part (91) that can be fixed on described cloth suction inlet place, and be placed in installed part top and the adjusting knob (92) that can relatively rotate, the end face of described installed part (91) is provided with multiple first air inlet, described adjusting knob (92) is provided with corresponding the second air inlet (94) of multiple and described first air inlet, the first air inlet and the second air inlet (94) can be made partly or entirely to communicate by rotation of adjustment knob (92).
7. Sewing machines air intake device according to claim 1, it is characterized in that: described Sewing machines air intake device also comprises for switching the function changing-over mechanism collecting the end of a thread and cloth, function changing-over mechanism comprises the driving mechanism (11) be located in described shell (6), and be located at the rotatable baffle plate of top cover inner surface (10), described baffle plate (10) is connected with driving mechanism (11), and baffle plate (10) remains one that blocks in cloth suction inlet and the end of a thread suction inlet (31) under driving mechanism (11) drives.
8. Sewing machines air intake device according to claim 7, it is characterized in that: described baffle plate (10) is that the two ends of baffle plate (10) are respectively the circular piece that described cloth suction inlet or described the end of a thread suction inlet (31) can be blocked about baffle plate self pivot symmetrical structure.
9. Sewing machines air intake device according to claim 1, is characterized in that: be also provided with the power module (13) be connected with described induced-draught electric motor in described shell (6).
CN201510917603.2A 2015-12-11 2015-12-11 Sewing machine air intake device Active CN105369489B (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510917603.2A CN105369489B (en) 2015-12-11 2015-12-11 Sewing machine air intake device

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CN105369489A true CN105369489A (en) 2016-03-02
CN105369489B CN105369489B (en) 2019-01-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513818A (en) * 2017-09-06 2017-12-26 杰克缝纫机股份有限公司 Sewing machine electric air-suction device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2262732Y (en) * 1996-04-01 1997-09-17 陈东良 Face mask for exercising voice production
CN2274932Y (en) * 1996-04-17 1998-02-25 徐强 Low noise cleaner
CN2510161Y (en) * 2001-10-31 2002-09-11 陈荐 Ball Mill Multi-layer structure sound-proof shield
CN200997273Y (en) * 2006-12-31 2007-12-26 周望明 Sound-proof shield
CN202419029U (en) * 2012-01-18 2012-09-05 山东省科学院海洋仪器仪表研究所 Compound silencer
CN204125718U (en) * 2014-09-26 2015-01-28 玉环奕友电子有限公司 A kind of novel sewing machine dust collect plant
CN104538019A (en) * 2014-12-25 2015-04-22 哈尔滨工程大学 Generalized photonic crystal acoustic shield
CN204628027U (en) * 2015-04-20 2015-09-09 宁波纽兴克缝制设备有限公司 A kind of blower fan for vacuum cleaner
CN105002675A (en) * 2015-07-24 2015-10-28 玉环奕友电子有限公司 Dust barrel for a sewing machine
CN105063911A (en) * 2015-07-24 2015-11-18 玉环奕友电子有限公司 Dust collecting barrel of sewing machine and working steps thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2262732Y (en) * 1996-04-01 1997-09-17 陈东良 Face mask for exercising voice production
CN2274932Y (en) * 1996-04-17 1998-02-25 徐强 Low noise cleaner
CN2510161Y (en) * 2001-10-31 2002-09-11 陈荐 Ball Mill Multi-layer structure sound-proof shield
CN200997273Y (en) * 2006-12-31 2007-12-26 周望明 Sound-proof shield
CN202419029U (en) * 2012-01-18 2012-09-05 山东省科学院海洋仪器仪表研究所 Compound silencer
CN204125718U (en) * 2014-09-26 2015-01-28 玉环奕友电子有限公司 A kind of novel sewing machine dust collect plant
CN104538019A (en) * 2014-12-25 2015-04-22 哈尔滨工程大学 Generalized photonic crystal acoustic shield
CN204628027U (en) * 2015-04-20 2015-09-09 宁波纽兴克缝制设备有限公司 A kind of blower fan for vacuum cleaner
CN105002675A (en) * 2015-07-24 2015-10-28 玉环奕友电子有限公司 Dust barrel for a sewing machine
CN105063911A (en) * 2015-07-24 2015-11-18 玉环奕友电子有限公司 Dust collecting barrel of sewing machine and working steps thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513818A (en) * 2017-09-06 2017-12-26 杰克缝纫机股份有限公司 Sewing machine electric air-suction device

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