CN202202123U - Integrated sewing machine with electrical attachment - Google Patents
Integrated sewing machine with electrical attachment Download PDFInfo
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- CN202202123U CN202202123U CN2011201631281U CN201120163128U CN202202123U CN 202202123 U CN202202123 U CN 202202123U CN 2011201631281 U CN2011201631281 U CN 2011201631281U CN 201120163128 U CN201120163128 U CN 201120163128U CN 202202123 U CN202202123 U CN 202202123U
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- motor cover
- drive motors
- head
- feed bar
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Abstract
The utility model provides an integrated sewing machine with an electrical attachment, which still can conduct sewing safely even when a sewing machine head with a reverse cloth feeding rod is provided with a control substrate. A drive motor is fixed on one side surface of the sewing machine head, which freely and rotatably supports a sewing machine main shaft in a way that the rotating shaft of the drive motor and the sewing machine main shaft are connected at the same axial center. The reverse cloth feeding rod sideways extending to the front surface of the sewing machine is arranged on one side surface of the sewing machine head in a way of swinging freely. The reverse cloth feeding rod can switch the cloth feeding direction of a cloth feeding mechanism to forward direction or reverse direction. A motor cover is provided with a notch part where the reverse cloth feeding rod is arranged in a way of swinging freely, and the motor cover is arranged beside one side surface of the sewing machine head. In the motor cover, the arranged control substrate is exposed. The movement area of the reverse cloth feeding rod is separated from the internal area of the motor cover by a reverse cloth feeding rod cover.
Description
Technical field
The utility model relates to the one-piece type Sewing machines of electric attachments, is provided with the control basal plate of the drive motors that is used to drive Sewing machines and the driving that is used to control drive motors at the Sewing machines head.
Background technology
For example, shown in patent documentation 1, known have a kind of Sewing machines, and the drive motors that is used to make the machine spindle rotation directly has been installed on the sewing machine frame of this Sewing machines, on this sewing machine frame, extends from the upper water level land of vertical body portion to be provided with arm.
In this Sewing machines, as shown in Figure 1, under the situation of operating personnel's side, be provided with arm 1b from the left surface extension at the vertical body 1a of portion of Sewing machines head 1 as the Sewing machines face side.The servo controller 2 of case shape is installed in the right flank side of vertical body portion in addition.As shown in Figure 2, in this servo controller 2, be equipped with servomotor 3 and the electronic device circuitry plate 4 that is used to control Sewing machines.In addition, the formation peristome 2a of face wall portion at servo controller 2 rotates in this peristome 2a and is provided with reverse work feed bar 5 freely.In servo controller 2, the base end part of reverse work feed bar 5 rotates the right flank that is located at the vertical body 1a of portion freely, and its leading section disposes to the outside highlightedly.Through this reverse work feed bar 5, can carry out the switching of the positive and negative transfer direction of cloth feeding direction.
Patent documentation
[patent documentation 1]: one Chinese patent application is announced specification No. 101363175
But, in the Sewing machines of said structure, in the peristome 2a that in the face wall portion of the servo controller 2 of built-in electronic circuitry plate 4, forms, be equipped with reverse work feed bar 5, so become the state of connection in this peristome 2a and the servo controller 2.Therefore, dust etc. might enter in the servo controller 2 that disposes electronic device circuitry plate 4 from the outside through this peristome 2a.
In addition, be inserted under the situation in the peristome 2a in the instrument mistake, instrument contacts the electronic device circuitry plate 4 in the servo controller 2 through peristome 2a or connects the wiring of substrate and various switch and actuator, might cause the operating personnel to get an electric shock.Therefore, positive at Sewing machines, even in other operations, under the situation of tool using, also must cut off the power supply of Sewing machines, exist this operation to want the problem of spended time.
The utility model content
The utility model is made in view of above-mentioned technical problem, and its purpose is to provide a kind of electric attachments one-piece type Sewing machines, even at the Sewing machines head that possesses reverse work feed bar control basal plate is installed, also can carry out safe making preferably.
A mode of the one-piece type Sewing machines of electric attachments of the utility model adopts following structure, and it possesses: the Sewing machines head, and machine spindle is supported in rotation freely; Drive motors is fixed on the side of above-mentioned Sewing machines head, is connected with same axle center with above-mentioned machine spindle; Reverse work feed bar; Its base end part swing is arranged on the side of above-mentioned Sewing machines head freely; From the extended leading section of an end face side direction Sewing machines face side of above-mentioned Sewing machines head, the cloth feeding direction of cloth feeding mechanism is switched to positive direction or in the other direction through swing; Motor cover is configured in a side of above-mentioned Sewing machines head, through being formed on the notch part of face portion, the leading section of above-mentioned reverse work feed bar is extended to the Sewing machines face side, and, cover the outer surface of the drive motors that is fixed on above-mentioned Sewing machines head; And control basal plate; Configuration in above-mentioned motor cover with exposing; And above-mentioned drive motors is driven; The one-piece type Sewing machines of this electric attachments possesses the next door parts, and these next door parts are separated the operating space and the above-mentioned motor cover inside of the above-mentioned reverse work feed bar in the above-mentioned notch part, thereby the interior zone of above-mentioned operating space and above-mentioned motor cover is isolated.
A structure that mode adopted of the one-piece type Sewing machines of electric attachments of the utility model is that said next door parts are insulators.
A structure that mode adopted of the one-piece type Sewing machines of electric attachments of the utility model does; Said motor cover possesses: first lid; Be fixed on said Sewing machines head, possess the back side portion of rear side in the outer surface that covers said drive motors at least, said drive motors; And second the lid; Be set to dismounting freely to said first lid that is fixed on said Sewing machines head; And, possessing the face portion that is formed with said notch part, this face portion covers face side in the outer surface of the said drive motors except the said back side, drive motors at least; Said next door parts form the concavity that covers the wobble area of said reverse work feed bar from said motor cover private side, are fixed on the state at said Sewing machines face side opening on the side of said Sewing machines head.
According to the utility model, even in the motor cover of the Sewing machines head that possesses reverse work feed bar, control basal plate is installed, also can prevent to get into dust from the outside, can be reduced in the fault of the Sewing machines that short circuit on the control basal plate etc. causes etc.In addition, the operating personnel's directly or indirectly control basal plate of contact energising or wiring and get an electric shock all of a sudden can be prevented, safe making can be carried out preferably.
Description of drawings
Fig. 1 is the front view that the schematic configuration of the one-piece type Sewing machines of existing electric attachments is shown.
Fig. 2 is the cutaway view along the A-A line of Fig. 1.
Fig. 3 is the front view that the schematic configuration of the one-piece type Sewing machines of electric attachments that the embodiment of the utility model relates to is shown.
Fig. 4 is the rearview that the schematic configuration of this Sewing machines is shown.
Fig. 5 is the right side view that the schematic configuration of this Sewing machines is shown.
Fig. 6 is the stereogram of sheave segment of exterior arrangement that is illustrated in the motor cover of this Sewing machines.
Fig. 7 illustrates the stereogram of observing the pulley of this Sewing machines from the face side of Sewing machines head.
Fig. 8 is the stereogram that the motor cover of this Sewing machines is shown.
Fig. 9 is the front view of this motor cover.
Figure 10 is the right side view of this motor cover.
Figure 11 is the left side view of this motor cover.
Figure 12 is the stereogram that constitutes the bonnet of this motor cover.
Figure 13 is the stereogram of face side that the protecgulum of this motor cover is shown.
Figure 14 is the stereogram of rear side that the protecgulum of this motor cover is shown.
Figure 15 is the figure of reverse feed bar cover that the next door parts of the Sewing machines that the embodiment as the utility model relates to are shown.
Figure 16 is the front view that illustrates as the reverse feed bar cover of the next door parts of this Sewing machines.
Figure 17 is the upward view that illustrates as the reverse feed bar cover of the next door parts of this Sewing machines.
Figure 18 is the left side view that illustrates as the reverse feed bar cover of the next door parts of this Sewing machines.
Figure 19 is the right side view that illustrates as the reverse feed bar cover of the next door parts of this Sewing machines.
Description of reference numerals
The one-piece type Sewing machines of 10 electric attachments
15 drive motors
20 Sewing machines heads
20a one side
21 Sewing machines support portions
22 vertical body portions
23 Sewing machines arms
30 motor cover
31 face portion
The 31a notch part
40 guidance panels
50 power switches
60 control basal plate
62 main substrates
64 filter substrates
80 reverse work feed bars
90 reverse feed bar covers
92 divider wall parts
The specific embodiment
Below, with reference to accompanying drawing, the embodiment of the utility model is described at length.
Fig. 3～Fig. 5 is the outside drawing that the schematic configuration of the one-piece type Sewing machines of electric attachments that the embodiment of the utility model relates to is shown.In addition, use the one-piece type Sewing machines of this electric attachments (below, be called " Sewing machines ") 10 by being positioned at the locational operating personnel relative with the Sewing machines face side.At first, the overall structure to Sewing machines 10 describes.
Sewing machines support portion 21 and Sewing machines arm 23 extend from the another side (left surface) of vertical body portion 22 and are provided with; From top view, the profile of Sewing machines 10 forms roughly " コ " font by Sewing machines support portion 21, vertical body portion 22 and Sewing machines arm 23.
In addition, in Sewing machines arm 23, machine spindle (omitting diagram) rotates setting freely along the bearing of trend of Sewing machines arm 23.The leading section of this machine spindle links with mechanism's (omitting diagram) about the pin of the leading section 23a of sewing machine arm 23 configuration.In addition; In sewing machine head 20; Machine spindle drives rotary shuttle mechanism, cloth feeding mechanism and work feed governor motion etc.; This rotary shuttle mechanism twines bottom line on by the slotting suture through suture needle of rotation rotating shuttle, this cloth feeding mechanism is along with moving up and down of suture needle carried the cloth as the sewn object on the needle plate, and this work feed governor motion is regulated the cloth feed amount of cloth feeding mechanism.In addition, machine spindle, rotary shuttle mechanism, cloth feeding mechanism, work feed governor motion etc. are well-known structures, omit diagram.This machine spindle links with the rotating shaft that is provided in the drive motors 15 in the motor cover 30, rotates through the driving of drive motors 15.
That is, electric machine rotational axis and the machine spindle of drive motors 15 are positioned on the same axle center and with drive motors 15 be fixed on Sewing machines head 20 a side, be a side 20a of vertical body portion 22.In addition, linking pulley 17 in the other end 16 (with reference to Fig. 5) of the electric machine rotational axis of this drive motors 15, pulley 17 is configured in the outside of motor cover 30.These drive motors 15 and pulley 17 be distolateral at Sewing machines arm 23 respectively, along the bearing of trend configuration of Sewing machines arm 23.
This motor cover 30 forms the rectangular box shape that forms accordingly with the vertical outer shape of body portion 22, and, form by the material of pyroconductivity height and fine heat radiation property, be to form at this through die casting.In addition, as shown in Figure 5, motor cover 30 constitutes and can be divided into bonnet 30a and protecgulum 30b.Will be described later the detailed content of these bonnets 30a and protecgulum 30b.
Specifically, as shown in Figure 4, motor cover 30 is through portion's 34 sides are inserted into the fixed parts such as screw 71 of face portion 31 sides from the back side, is fixed on the back side portion of the vertical body portion 22 of Sewing machines head 20.
In addition, as shown in Figure 5, motor cover 30 is fixed on the bottom surface sections 35 of motor cover 30 bottom surface sections of Sewing machines head 20 through the fixed parts such as screw 72 from facial 33 side direction Sewing machines heads, the 20 sides insertion in the right side of motor cover 30.In addition, engage the following portion quadrature of the bottom surface sections 35 of motor cover 30 and backboard portion 34.
As implied above, on the fore-and-aft direction of Sewing machines, be the fixed part 72 that inserts on the length direction of Sewing machines head 20 through fixed part 71 with at the Sewing machines left and right directions, motor cover 30 is fixed on the Sewing machines head 20.
Through these fixed parts 71,72, motor cover 30 is securely fixed on the Sewing machines head 20.
In the face portion 31 of motor cover 30, be provided with each guidance panel set 40 and power switch 50 of carrying out the Sewing machines action.
As shown in Figure 6, facial 33 on the right side of motor cover 30, in the peristome 33a of the circle that is formed on right side facial 33, dispose pulley 17 highlightedly.
The right upper portion of the face portion 31 of motor cover 30, promptly be positioned at the right side facial 33 of pulley 17 sides and the bound fraction of face portion 31, form the shape of breach.
This bound fraction is positioned at than Sewing machines head 20 fronts more near the position of rear side.Specifically; Face 33 on the right side; The 1st right side of half cycle that covers pulley 17 with respect to side overleaf facial (below; Be called " the 1st side surface part ") 37, the 2nd right side of half cycle that covers pulley 17 in face side facial (below, be called " the 2nd side surface part ") 36 left surface tilt towards Sewing machines head 20.In addition, as after state, this motor cover 30 is that two parts by bonnet 30a and protecgulum 30b form, the 2nd side surface part 36 in the right side facial 33 is parts of protecgulum 30b, the 1st side surface part 37 is parts of bonnet 30a.
Through this bound fraction; Particularly through being positioned at than pulley 17 more near the 2nd side surface part 36 of the position of face side; As shown in Figure 7, can be from being positioned at the operating personnel's on the positive opposed position with Sewing machines head 20 position, through Visual Confirmation to pulley 17.In addition, the operating personnel can stretch out arm along the gradient of the 2nd side surface part 36 and makes pulley 17 rotation.
Fig. 8～60 pairs of Sewing machiness of control basal plate shown in Figure 11 carry out drive controlling, and it is provided in the inside of motor cover 30.
Control basal plate 60 has sewing machine control circuit, and possesses and set the bigger main substrate of area 62 and compare the less submounts of arrangement area 64 with main substrate 62.In addition, submounts 64 is the filter substrates 64 that are used for removing the clutter of the service voltage that whereabouts main substrate 62 provides, below, submounts 64 is called filter substrate 62 describes.
Motor cover 30 self can be divided into: possess bonnet (the 1st cap) 30a of control basal plate shown in Figure 12 60, and Figure 13 and protecgulum (the 2nd cap) 30b shown in Figure 14.
Shown in figure 12, bonnet 30a covers the rear side of the drive motors 15 in the outer surface of the last drive motors 15 of a side (right flank) 20a that is fixed on Sewing machines head 20 at least, and is the back side portion 34 of L font when possessing backsight.The back side portion 34 that this back side portion 34 is motor cover 30a utilizes the right portions and the bottom surface sections 35 of this back side portion 34, covers drive motors 15 from rear side and bottom surface side.In addition, bonnet 30a utilizes the left part of back side portion 34 and facial 39a, 39b, 39c, the 39d that is provided with the outward flange quadrature ground of this left part, covers the bottom of the back side portion of vertical body portion 22.
On bonnet 30a, back side portion 34 and bottom surface sections 35 are fixed on the Sewing machines head 20 through the fixed part 71,72 in the screwed hole 303,304 that is inserted into each self-forming.Therefore, 30 of motor cover are fixed on the Sewing machines head 20 (at length saying, is the vertical body portion 22 of Sewing machines head 20) through bonnet 30a.
Like Fig. 5 and shown in Figure 12, be provided with the radiating part 38 of concaveconvex shape at the outer surface of this back side portion 34 and facial 39b.In addition, the inner surface of portion 34 has been installed main substrate 62 with the state that exposes circuit on total inner surface at the back side of bonnet 30a.Disperse the heat that main substrate 62 sends through this radiating part 38, can cool off main substrate 62.
In addition, at the inner surface of the 1st side surface part 37 that engages with the right portion of bonnet 30a, filter substrate 64 has been installed with the state that exposes circuit.
As implied above, at the inner surface of bonnet 30a, in the following side space of guaranteeing drive motors 15 and drive motors 15, each substrate 62,64 has been installed.
In addition, the bottom surface of the vertical body of the bottom surface sections 35 formation portion 22 of bonnet 30a promptly forms the bottom surface that is configured in than Sewing machines head and also leans on the tabular of top.The bottom surface sections 35 of this bonnet 30a and carrying between the top board face (upper level of support portion 21 shown in Figure 3) of the sewing machine table put Sewing machines head 20 forms space S.The outer surface of the bottom surface sections 35 of bonnet 30a is horizontal planes of general planar, plays the effect that extension that the operating personnel hangs finger refers to face 35a.Utilize this extension to refer to that face 35a can lift Sewing machines 10 self easily, can carry out the Sewing machines of Sewing machines 10 easily and install.Can utilize this extension to refer to face 35a from Sewing machines face side, Sewing machines rear side and Sewing machines right side side respectively.In addition, this extension refers to that the shape of face 35a is not limited to the plane, also can be the concavo-convex face that meets the shape that tangles finger easily.
Like Figure 13 and shown in Figure 14, in protecgulum 30b, the rear side both ends of portion 32 form screwed hole 301 in the above, form screwed hole 302 in the bottom of face portion 31.Utilization is inserted into the fixed parts such as screw 73,74 (with reference to Fig. 8) in these screwed holes 301,302, protecgulum 30b with from the top and the place ahead loading and unloading mode freely be installed on the bonnet 30a.
In addition, the right side facial 33 of having cut apart motor cover 30 with bonnet 30a and protecgulum 30b.Specifically, form right side facial 33 by the 1st side surface part 37 of bonnet 30a and the 2nd side surface part 36 of protecgulum 30b.In these the 1st side surface part the 37, the 2nd side surface part 36, the notch part that is formed with the semicircle shape that separates oral area 33a and form respectively is (with reference to Figure 12～Figure 14).These notch parts cover the half cycle of the minor diameter part 17b (with reference to Fig. 6) of pulley 17 respectively.
Like Figure 13 and shown in Figure 14, the guidance panel 40 that is located at face portion 31 possesses: display panel substrate 42, dispose LCD, switch and buzzer etc.; And the panel cover 44 that is installed in the front face side of base board 42.Panel cover 44 possesses button portion, and this button portion is provided with to the outside in the face portion 31 of protecgulum 30b with exposing, and the switch of counter plate substrate 42 carries out opening and closing operations.
In addition, guidance panel 40 is mounted to the panel on the face portion 31 that is formed on protecgulum 30b is sealed with peristome 31b.Panel forms littler than the profile of guidance panel 40 with peristome 31b.Use peristome 31b at this panel, stress folded configured board substrate 42 and panel cover 44 from the front.And in the screwed hole of panel with the edge of opening portion formation of peristome 31b, the fixed parts such as tapping screw 46 from the rear side of face portion 31 is inserted are fixed on the panel cover 44 through display panel substrate 42.Power switch 50 carries out the switching of Sewing machines main power source, exposes in the Sewing machines face side through the peristome 31c (with reference to Fig. 3, Figure 13 and Figure 14) that is formed on the face portion 31.The face portion 31 that these guidance panels 40 and power switch 50 are arranged on motor cover 30 is the Sewing machines face side, can improve the operating personnel's who is positioned at the Sewing machines face side operability.
In addition, in the face portion 31 of protecgulum 30b, be the face portion 31 of motor cover 30, with the edge part of vertical body portion 22 adjacency below, be formed with notch part 31a.
This notch part 31a is formed for setting the peristome of reverse work feed bar 80 with a side 20a of vertical body portion 22.As shown in Figure 3, in this peristome, disposed reverse work feed bar 80, it is last that this reverse work feed bar 80 rotates a side (right side of the Sewing machines head 20) 20a that is installed in vertical body portion 22 freely.
Reverse work feed bar 80 shown in Figure 3 will switch to positive direction or opposite direction based on the cloth feeding direction of cloth feeding mechanism (omitting diagram) through user's manual operation.This reverse work feed bar 80 in this notch part 31a, be motor cover 30 inboards, be that the outside (at length saying, is the Sewing machines face side) of Sewing machines is extended and is provided with towards the outside of motor cover 30.
Figure 15 is illustrated in the motor cover that is installed on the Sewing machines, pulls down the figure of the state of protecgulum 30b from bonnet 30a.
In reverse work feed bar 80, the side that is adapted to user's operating position side to this extended end in Sewing machines outside is the positive parallel and level of Sewing machines.
Specifically, reverse work feed bar 80 possesses: swing arm 82, extend to Sewing machines the place ahead, and the side 20a that its base end part is fixed in the vertical body portion 22 via vertical body portion 22 extends on the outside axle (omitting diagram); And control stick 84, from the leading section of swing arm 82, with the positive parallel and extension setting flatly of Sewing machines.
In this embodiment, be disposed under the state of top position shown in Figure 15 at reverse work feed bar 80, cloth is carried to positive direction (from the direction of Sewing machines face side to rear side).Be disposed under the state of the lower position shown in the dotted line at reverse work feed bar 80 conversely speaking,, cloth is carried to opposite direction (from the direction of Sewing machines rear side to face side).In addition, the position of these reverse work feed bars 80 can be detected by known transmission change detection sensor (omitting diagram).Transmit the change detection sensor as this; For example adopt the optical pickocff have light accepting part and illuminating part and to constitute etc.; As long as can detect reverse work feed bar 80 and be configured in assigned position (in this embodiment but constitute; Be the lower position of reverse work feed side) situation, just can adopt various sensors.Thus; When transmit the change detection sensor to cloth feeding direction through the operation of operating personnel's reverse work feed bar 80 when positive direction switches to reciprocal situation, the change detection sensor will represent that the detection signal of this situation exports to the main substrate 62 of control basal plate 80.Main substrate 62 is controlled Sewing machines according to the signal of this input and is driven, and switches cloth feeding direction.
In the right side 20a side of the Sewing machines head 20 of this reverse work feed bar 80, be the right flank 20a side of vertical body portion 22; Reverse feed bar cover (next door parts) 90 is installed; This reverse feed bar cover (next door parts) 90 cover the reverse work feed bar of swinging 80 (at length saying, is the swing arm 82 of reverse work feed bar 80) from the right flank side.
One side of reverse feed bar cover 90 coverage reverse work feed bars 80, and, the wobble area R of the swing arm 82 that is configured in the reverse work feed bar 80 in the protecgulum 30b and the interior zone R 1 of motor cover 30 are separated.That is, separate reverse work feed bar 80 from the motor cover 30 by the high moulding such as die casting of electric conductivity, at this, this reverse feed bar cover 90 is an insulator.The reverse feed bar cover 90 of this embodiment is by the ABS resin moulding.
Shown in figure 15, reverse feed bar cover 90 has divider wall parts 92, and the wobble area R of the reverse work feed bar that this divider wall parts 92 will be arranged on the Sewing machines left and right directions and the interior zone R1 of motor cover 30 vertically separate.One side 20a of this divider wall parts 92 and vertical body portion 22 is across predetermined distance, promptly can dispose width and the configuration opposed to each other of swing arm 82.In addition, the shape of the notch part 31a of divider wall parts 92 outer hunting range and protecgulum 30 just as swing arm 92 forms accordingly.At this, the back of divider wall parts 92 forms to side-prominent the dangling in the back side (overhang) shape.Divider wall parts 92 is through separating the interior zone R1 of wobble area R and motor cover 30, and obstruction is notch part 31a and getting in the interior zone R1 on the length direction of Sewing machines 10 via the peristome of the wobble area R of reverse work feed bar 80.
Like Figure 16～shown in Figure 19, at the top and the back of this divider wall parts 92, with these shapes accordingly and with these tops and back quadrature formed upper plate portion 94 and backboard portion 96.
These upper plate portion 94 and backboard portion 96 are configured between the right flank and divider wall parts 92 of vertical body portion 22, from the top and rear coverage reverse work feed bar 80.
Through the screw 99 (with reference to Figure 15) among the screwed hole 98a (with reference to Figure 18, Figure 19) that is inserted into this flange 98, reverse feed bar cover 90 vertically is being fixed to towards the state of face side opening in the body portion 22.At this moment, upper plate portion 94 and backboard portion 96 respectively with a side 20a butt of vertical body portion 22.That is, reverse feed bar cover 90 forms the concavity from the wobble area R of the interior zone R1 side coverage reverse work feed bar 80 of motor cover 30 by divider wall parts 92, upper plate portion 94 and backboard portion 96.Moreover reverse feed bar cover 90 is fixed on the side 20a of Sewing machines head 20 (vertically body portion 22) under the state of Sewing machines face side opening.
Thus, reverse work feed bar 80 becomes by the state that only surrounds at the reverse feed bar cover 90 of Sewing machines face side opening, and the wobble area R of reverse work feed bar 80 isolates with the interior zone R1 of motor cover 30 fully.Even pull down protecgulum 30b, also can form with the bonnet 30a internal insulation of exposing control basal plate 60 state of the wobble area R of reverse work feed bar 80 from bonnet 30a.
As stated, in the Sewing machines 10 of this embodiment, the wobble area R of the reverse work feed bar 80 that in the notch part 31a of motor cover 30, moves and the interior zone R1 in the motor cover 30 are isolated through reverse feed bar cover 90.
Thus, can not get in the interior zone R1 of motor cover 30 from the wobble area R of reverse work feed bar 80 through notch part 31a.Therefore, dust can not enter in the motor cover 30 through notch part 31a, in addition, even instruments such as screwdriver are inserted in the wobble area R from notch part 13a mistake through notch part 31a, can not enter in the motor cover 30 yet.Thus, can not touch the main substrate 62 that is provided in the motor cover 30 and the wiring between the wiring between the filter substrate 62, control basal plate 60 and the power switch 50 etc.Like this, in this Sewing machines 10, can prevent to get in the motor cover 30, simultaneously, can reduce the fault of the Sewing machines that short circuit on the control basal plate 60 etc. causes etc. from the dust of outside etc.In addition, can prevent that the operating personnel from all of a sudden directly or indirectly touching the control basal plate 60 of switching on or wiring and going up and get an electric shock.
In addition, in this Sewing machines 10, the operating personnel is positioned at the Sewing machines front, pulls down fixed part 73,74 (with reference to Fig. 8) simultaneously and takes off protecgulum 30b from bonnet 30a, and is shown in figure 15 thus, the inside that can expose motor cover 30 in the Sewing machines front easily.In addition, in pulley 17, expose the half the of Sewing machines face side this moment, so under the situation of not pulling down pulley 17 self, the inside of just exposing motor cover 30 in the Sewing machines face side.Therefore, even under the situation in suture has got into motor cover 30, also can easily remove.
In addition owing to the such control basal plate 60 of main substrate 62 and filter substrate 64 has been installed along the inner surface of bonnet 30a, so only through pulling down protecgulum 30b, just in the Sewing machines front, be that operating personnel's side is exposed control basal plate 60.At this moment, the wiring that is connected to power switch 50, control basal plate 60 is also exposed towards operating personnel's side.Thus, can under the situation of not pulling down pulley 17 and motor cover 30 integral body,, just can carry out the maintenance of control basal plate 60, wiring easily only through pulling down protecgulum 30b.
In addition; The electric attachments of control basal plate 60 grades is installed in the motor cover 30 that covers drive motors 15; So do not need processing sewing machine head 20 self to be formed for disposing the space of electric attachments (being control basal plate 60), just can realize possessing integratedly the Sewing machines of electric attachments at this.
The one-piece type Sewing machines of the electric attachments that the utility model relates to; Even the Sewing machines head possessing reverse work feed bar is equipped with control basal plate; Also have and to carry out preferable effect of making, as possess the Sewing machines that directly is attached to the drive motors on the machine spindle at the Sewing machines head and useful.
Claims (3)
1. one-piece type Sewing machines of electric attachments is characterized in that possessing:
The Sewing machines head, machine spindle is supported in rotation freely;
Drive motors is fixed on the side of said Sewing machines head, is connected with same axle center with said machine spindle;
Reverse work feed bar; Its base end part swing is arranged on the side of said Sewing machines head freely; From the extended leading section of an end face side direction Sewing machines face side of said Sewing machines head, the cloth feeding direction of cloth feeding mechanism is switched to positive direction or in the other direction through swing;
Motor cover is configured in a side of said Sewing machines head, through being formed on the notch part of face portion, the leading section of said reverse work feed bar is extended to the Sewing machines face side, and, cover the outer surface of the drive motors that is fixed on said Sewing machines head; And
Control basal plate disposes in said motor cover with exposing, and said drive motors is driven,
The one-piece type Sewing machines of this electric attachments possesses the next door parts, and these next door parts are separated the operating space and the said motor cover inside of the said reverse work feed bar in the said notch part, thereby the interior zone of said operating space and said motor cover is isolated.
2. the one-piece type Sewing machines of electric attachments according to claim 1 is characterized in that,
Said next door parts are insulators.
3. the one-piece type Sewing machines of electric attachments according to claim 1 and 2 is characterized in that said motor cover possesses:
First lid is fixed on said Sewing machines head, possesses the back side portion of rear side in the outer surface that covers said drive motors at least, said drive motors; And
Second lid; Be set to dismounting freely to said first lid that is fixed on said Sewing machines head; And, possessing the face portion that is formed with said notch part, this face portion covers face side in the outer surface of the said drive motors except the said back side, drive motors at least;
Said next door parts form the concavity that covers the wobble area of said reverse work feed bar from said motor cover private side, are fixed on the state at said Sewing machines face side opening on the side of said Sewing machines head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201631281U CN202202123U (en) | 2011-05-20 | 2011-05-20 | Integrated sewing machine with electrical attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201631281U CN202202123U (en) | 2011-05-20 | 2011-05-20 | Integrated sewing machine with electrical attachment |
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| Publication Number | Publication Date |
|---|---|
| CN202202123U true CN202202123U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201631281U Expired - Lifetime CN202202123U (en) | 2011-05-20 | 2011-05-20 | Integrated sewing machine with electrical attachment |
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| CN (1) | CN202202123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748925A (en) * | 2019-03-28 | 2020-10-09 | 兄弟工业株式会社 | Sewing machine |
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2011
- 2011-05-20 CN CN2011201631281U patent/CN202202123U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748925A (en) * | 2019-03-28 | 2020-10-09 | 兄弟工业株式会社 | Sewing machine |
| CN111748925B (en) * | 2019-03-28 | 2022-03-29 | 兄弟工业株式会社 | Sewing machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
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| CX01 | Expiry of patent term |