CN102443979B - Lower cover of sewing machine and sewing machine thereof - Google Patents
Lower cover of sewing machine and sewing machine thereof Download PDFInfo
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- CN102443979B CN102443979B CN201110307695.4A CN201110307695A CN102443979B CN 102443979 B CN102443979 B CN 102443979B CN 201110307695 A CN201110307695 A CN 201110307695A CN 102443979 B CN102443979 B CN 102443979B
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Abstract
A lower cover of the invention is provided with a substrate mounting part. The substrate mounting part is used for mounting a circuit substrate according to a mode that a configuring surface of a circuit component is parallel with a worktable of the sewing machine. The lower cover which is provided with the circuit substrate does not occupy too large space below the worktable of the sewing machine. An operator can perform operation below the worktable of the sewing machine without collision to the circuit substrate, and the operation performance can be improved.
Description
Technical field
The present invention relates to a kind of by the lower cover covering towards the bottom of the outstanding sewing machine main body in sewing machine table below and the Sewing machines that comprises lower cover.
Background technology
Sewing machines comprises the sewing machine main body being arranged on sewing machine table.Sewing machine main body comprises base, column, horn.Sewing machine table has peristome.Sewing machine main body is to be arranged on sewing machine table by the mode of base occlusion of openings portion.Column stands vertically on base.Horn extends abreast with the upper surface of base from the upper end of column.Horn supports eedle, presser feet at its cephalic par.Presser feet drops on base and presses processing cloth.Eedle rises, declines, and makes processing cloth with feed mechanism, the shuttle mechanism interaction of being located at base inside.
The Sewing machines that Japanese Laid-Open Patent Publication is recorded for 2000 No. 388 comprises lower cover.Lower cover will cover towards the bottom of the outstanding sewing machine main body in sewing machine table below.Lower cover has substrate installation portion, and this substrate installation portion controls for installing to drive the circuit substrate that sewing machine main body is used.Substrate installation portion is the framework that the mode to extend towards below is located at lower cover lower surface.Circuit substrate is installed on the two sides, left and right of framework, is covered by control cabinet.Control cabinet takies the space that above-below direction is larger under sewing machine table.
The operating portion such as operating pedal, presser feet handle is set under sewing machine table.Operator operates operating portion with pin.Making in operation sewing machine electromotor for driving, stop being located at sewing machine main body, the rotary speed that changes sewing machine electromotor operates operating pedal.The beginning of making or finish time for make presser feet improve, processing cloth is disposed on base and maybe processing cloth is taken away presser feet handle is operated.
In the time that the operating portions such as operating pedal, presser feet handle are operated, operator's pin can collide with control cabinet under sewing machine table.The problem that exists control cabinet to hinder the operation of operating portion, the transaction capabilities made to decline.
Summary of the invention
The object of the present invention is to provide and a kind ofly can be below sewing machine table install and drive circuit substrate, the operation that does not hinder the operating portion under sewing machine table of controlling sewing machine main body and using, lower cover and the Sewing machines that can improve the Sewing machines of the transaction capabilities of making not take the mode of larger space.
The lower cover of technical scheme 1 is mounted in the peristome that sewing machine table is provided with, the lower cover of the Sewing machines that the bottom of the sewing machine main body outstanding below towards above-mentioned peristome is covered, there is substrate installation portion at outside lower surface, this substrate installation portion controls for installing to drive the circuit substrate that above-mentioned sewing machine main body is used, foregoing circuit substrate has the low part configuration section of the lower circuit component of configuration and configures the high part configuration section of higher circuit component, foregoing circuit substrate is installed on aforesaid substrate installation portion with parallel with above-mentioned sewing machine table and the above-mentioned low part configuration section of configuration plane of circuit component with the mode that above-mentioned high part configuration section separates on left and right directions.
Lower cover of the present invention has substrate installation portion.Substrate installation portion is installed in the configuration plane of the circuit component mode parallel with sewing machine table for circuit substrate.Lower cover does not take larger space under the state that circuit substrate is installed under sewing machine table.Operator can implement the operation under sewing machine table in the situation that not colliding with circuit substrate, can improve transaction capabilities.
In addition, in the present invention, use the circuit substrate with low part configuration section and high part configuration section.Substrate installation portion is so that the low part configuration section mode mounting circuit substrate different from high part configuration section position on left and right directions.High part configuration section can be installed on the side away from operator, low part configuration section can be installed on Proximity operation person's a side.Operator can, in the case of with the higher circuit component collision of the height that is disposed at high part configuration section not implementing the operation under sewing machine table, can improve transaction capabilities.
In the lower cover of technical scheme 2, foregoing circuit substrate has the control substrate of the lower circuit component of configuration and configures the power supply board of higher circuit component, above-mentioned control substrate has above-mentioned low part configuration section and above-mentioned high part configuration section and is installed on left and right directions one side of aforesaid substrate installation portion, and above-mentioned power supply board is installed on the left and right directions opposite side of aforesaid substrate installation portion.
Substrate installation portion is installed on power supply board and control substrate the not homonymy of left and right directions.The installation portion of power supply board can be installed on the side away from operator, controls the installation portion of the substrate person's that can be installed on Proximity operation a side.Operator can, in the case of with the higher circuit component collision being configured on power supply board not implementing the operation under sewing machine table, can improve transaction capabilities.
In the lower cover of technical scheme 3～4, above-mentioned sewing machine main body has the column being erected on above-mentioned sewing machine table and the horn extending towards left from the upper end of this column, above-mentioned lower cover has the first cap of the cephalic par side that is positioned at above-mentioned horn and is positioned at the second cap of above-mentioned stud sides, and aforesaid substrate installation portion is located at the lower surface of above-mentioned second cap more closer to the top than above-mentioned the first cap.
Lower cover has the first cap of the horn cephalic par side that is positioned at sewing machine main body and is positioned at the second cap of the stud sides of sewing machine main body.Substrate installation portion is located at the lower surface of second cap more closer to the top than the first cap.The circuit substrate that is installed on substrate installation portion can not take larger space under sewing machine table, can improve transaction capabilities.
The lubricating oil of the first cap storage internal mechanism.Lubricating oil leaks into the first cap outside sometimes.The oil leaking can flow to the second cap along the lower surface of the first cap.Because oil can be parked in the border of second cap more closer to the top than the first cap, therefore can not be attached to circuit substrate, circuit substrate can normally move.
The lower cover of technical scheme 5～6 has to surround the outstanding wall that aforesaid substrate installation portion mode is around outstanding towards below.
Making in operation, operator trickles down the liquid such as drinking water on sewing machine table sometimes.Unrestrained liquid can drip along lower cover.Outstanding wall can stop liquid, prevents that liquid from entering substrate installation portion.Liquid can not be attached to circuit substrate, and circuit substrate can normally move.
The lower cover of technical scheme 7～8 also comprises substrate lid, this substrate lid is installed on the lower surface of above-mentioned the second cap, this substrate lid rotates centered by the axle extending along its leading edge, be used for opening and closing aforesaid substrate installation portion, the trailing edge of substrate lid in the time that this substrate lid is closed in the inner side of above-mentioned outstanding wall the lower surface near above-mentioned the second cap.
Substrate lid rotates to open and close substrate installation portion centered by the axle of its leading edge.Substrate covers swings to front in the time opening, with the pin collision of making the operator in operation.Operator can recognize the fault open of substrate lid.Circuit substrate exposes at the rear side of substrate lid, does not contact with operator's pin, thereby can prevent electric shock accidents.
The substrate lid of closing forms labyrinth part near giving prominence to the inner side of wall.Labyrinth part is stopped liquid together with outstanding wall, prevents that liquid from entering substrate installation portion.Liquid can not be attached to circuit substrate, and circuit substrate can normally move.
The lower cover of technical scheme 9 has contact site, and this contact site is located at aforesaid substrate installation portion in the mode outstanding towards below, and contacts with the circuit component of the heating that is disposed at foregoing circuit substrate, and above-mentioned lower cover is by having the metal of heat conductivity.
The lower cover of technical scheme 10 has protuberance, and this protuberance is located near above-mentioned contact site, for making to be delivered to the dissipation of heat of this contact site.
Contact site contacts with the circuit component of the heating that is disposed at substrate.The heat that circuit component is sent is delivered to metal lower cover by contact site.Protuberance is located near contact site, makes to be delivered to the dissipation of heat of contact site.The heat that contact site and protuberance can make circuit component send distributes reliably.
The Sewing machines of technical scheme 11 comprises the lower cover described in any one in technical scheme 1～10.
The Sewing machines of technical scheme 12 also comprises: the pedal operating for changing the rotary speed of the sewing machine electromotor of being located at above-mentioned sewing machine main body; Be located at the linkage of the side of above-mentioned lower cover; Connect the connecting rod of this linkage and above-mentioned pedal; And the pedal sensor of being located at the inside of above-mentioned lower cover, the operational ton of the above-mentioned pedal by above-mentioned connecting rod and linkage transmission being detected.
Linkage is disposed at the side of lower cover.Linkage does not occupy the bottom of lower cover.Operator's pin can not collide with linkage below lower cover, can improve transaction capabilities.Lower cover can stably withstand the larger load that acts on linkage because of the operation of operating pedal.
Brief description of the drawings
Fig. 1 is the front view of Sewing machines.
Fig. 2 is the stereogram that the past beneath is provided with the lower cover of circuit substrate.
Fig. 3 is the front view that the lower cover of circuit substrate is installed.
Fig. 4 is the top view that the lower cover of circuit substrate is installed from beneath.
Fig. 5 is the stereogram of observing lower cover inside from top.
Fig. 6 is the stereogram from beneath lower cover lower surface.
Fig. 7 is the cutaway view dissecing along VII-VII line of Fig. 3.
Fig. 8 is the cutaway view dissecing along VIII-VIII line of Fig. 4.
Fig. 9 is the left view of substrate lid in closed condition.
Figure 10 is the left view of substrate lid in open mode.
Figure 11 is the stereogram of observing presser feet handle holding state from top.
Figure 12 is the side view of linkage.
Figure 13 is the rearview of linkage.
Figure 14 is the key diagram of the variation of heat transmission protuberance.
Detailed description of the invention
With reference to accompanying drawing, the preferred embodiment of the present invention is described below.The direction (forward and backward and left and right) below using in explanation represents with arrow in the drawings.
As shown in Figure 1, Sewing machines comprises the sewing machine main body 100 being arranged on sewing machine table 20.Sewing machine main body 100 comprises base 101, column 102, horn 103.The mode of base 101 taking its long side direction as left and right directions is installed on sewing machine table 20.
Sewing machine table 20 has the oblong openings portion 10 corresponding with base 101.Sewing machine main body 100 is to install by the mode of base 101 occlusion of openings portions 10.Base 101 comprises feed mechanism and shuttle mechanism (not shown) therein.Feed mechanism and shuttle mechanism are covered by the lower cover 200 being installed under sewing machine table 20.Lower cover 200 is made up of the metal material with heat conductivity, for example made of aluminum.
Column 102 the right part of base 101 towards above erect.Horn 103 extends towards left from the upper end of column 102.Horn 103 is at its cephalic par supporting needle rod 105 and presser bar 107.
The lower end of shank 105 and presser bar 107 is outstanding towards the below of horn 103.Shank 105 is installed eedle 106 in its lower end.Shank 105 and eedle 106 are risen, are declined by the action of being located at the needle bar drive device (not shown) in horn 103.Presser bar 107 is installed presser feet 108 in its lower end.Presser bar 107 and presser feet 108 are risen, are declined by the action of the presser bar lifting mechanisms 6 (with reference to Figure 11) in column 102, horn 103.
The presser feet 108 declining is pressed the processing cloth on base 101.Needle bar drive device by the driving of the included sewing machine electromotor (not shown) of sewing machine main body 100 with feed mechanism, shuttle mechanism interaction.Eedle 106 rises, declines and make the processing cloth on base 101.Sewing machine electromotor is installed on the right side of the column 102 that tegmentum 109 covers.
As shown in Figure 2 to 4, lower cover 200 is at its lower surface mounting circuit substrate 300.Lower cover 200 has the first cap 210 and the second cap 220.As shown in Figure 1, the first cap 210 is positioned at the cephalic par side (left side) of horn 103.The second cap 220 is positioned at column 102 sides (right side).The first cap 210, the second cap 220 have the lower surface parallel with sewing machine table 20.The lower surface of the second cap 220 is positioned at top with respect to the lower surface of the first cap 210.As shown in Figure 3, Figure 4, circuit substrate 300 is installed on the lower surface of the second cap 220.The installation portion of circuit substrate 300 is covered by substrate lid 400 (with reference to Fig. 1).
Circuit substrate 300 comprises controls substrate 310 and power supply board 320.Control substrate 310, power supply board 320 configure multiple circuit component 312,322 on a face separately.As shown in Figure 6, the second cap 220 has multiple protuberances 203 at its lower surface.Multiple protuberances 203 have identical height.Control substrate 310, power supply board 320 so that the configuration plane of circuit component 312,322 mode is downward placed on corresponding protuberance 203, and be screwed and be installed on each protuberance 203.As shown in Figure 3, control substrate 310, power supply board 320 parallel with this lower surface on the position of the distance lower surface of the second cap 220 and the corresponding size of height of protuberance 203.Control substrate 310, power supply board 320 so that the configuration plane of circuit component 312,322 mode and sewing machine table 20 downward installed abreast.
Controlling in the circuit component 312 of substrate 310, integrated circuit, resistance, the part that capacitor equal altitudes is lower are more.In the circuit component 322 of power supply board 320, the part that transformer equal altitudes is higher is more.Power supply board 320 is installed on the position away from the first cap 210 on the lower surface of the second cap 220.Control substrate 310 is installed near the first cap 210 on the lower surface of the second cap 220.The circuit component 312 of controlling substrate 310 comprises the circuit component 313 lower than specified altitude To and the circuit component 314 higher than specified altitude To.Controlling in the circuit component 312 of substrate 310, by lower circuit component 313 centralized configuration near the first cap 210, by higher circuit component 314 centralized configuration in the position away from the first cap 210.
While as mentioned above lower cover 200 being installed, power supply board 320 is positioned at right side, controls substrate 310 and is positioned at left side.Control the high part configuration section that substrate 310 has the low part configuration section of the lower circuit component of configuration 313 and configures higher circuit component 314.Low part configuration section separates on left and right directions with high part configuration section, installs as the mode on right side taking low part configuration section as left side, high part configuration section.While observing lower cover 200 entirety, higher circuit component 322,314 is positioned at right side, and lower circuit component 313 is positioned at left side.As shown in Figure 1, the right side that the substrate lid 400 that covers circuit substrate 300 installation portions has a higher circuit component of configuration 322,314 under, the left side of the lower circuit component 314 of configuration is in upper such stage portion.
As shown in Figure 3, Figure 4, control substrate 310 and comprise heating part 315.Heating part 315 is for example IPM (Intelligent Power Module: SPM).Heating part 315 is disposed at the central portion of the face upward of controlling substrate 310.
As shown in Figure 6, lower cover 200 has contact site 240.Contact site 240 on the lower surface of the second cap 220 towards below outstanding.Contact site 240 has position, shape, the size corresponding with the heating part 315 of controlling substrate 310.As shown in Figure 3, the upper surface of heating part 315 contacts with contact site 240.The heat that heating part 315 sends is delivered to lower cover 200 via contact site 240.
As shown in Figure 5, lower cover 200 has the protuberance 257 of heat transmission in side bottom surface therein.Protuberance 257 is the linearity extending along fore-and-aft direction, and on left and right directions, is arranged with multiple.The formation position of protuberance 257 is corresponding with the contact site 240 of the second cap 220 lower surfaces.Protuberance 257 is larger with the area that its ambient air contacts, and it makes the heat that is delivered to lower cover 200 via contact site 240 distribute towards periphery.The heat that heating part 315 sends can distribute with the effect of protuberance 257 reliably by contact site 240.
While there is multiple heating part 315, contact site 240, protuberance 257 are set in the position of each heating part 315.When the position of multiple heating parts 315 is nearer, contact site 240, protuberance 257 also can share.
As shown in Figure 1 and Figure 2, the peristome 10 of sewing machine table 20 has notch part 12.Notch part 12 is located at the central portion of oblong openings portion 10 right edge.The lid 109 of sewing machine main body 100 is positioned at notch part 12 tops.Between lid 109 and sewing machine table 20, there is gap S.Lid 109 does not stop up notch part 12.Notch part 12 forms the ventilation road being communicated with up and down of sewing machine table 20.
The second cap 220 comprises heating part 330.Heating part 330 is for example the regeneration resistance of the electricity while consuming sewing machine electromotor deceleration.As shown in Figure 2 to 4, heating part 330 is adhered to the right part of the second cap 220 lower surfaces.Heating part 330 is positioned near notch part 12.The heat that heating part 330 sends is in the interior generation free convection of notch part 12.Heating part 330 by with in notch part 12 from below towards above mobile wind contact and cooling.
Notch part 12 arranges in the mode corresponding with the position of heating part 330.For example, in the time that heating part 330 is disposed at the rearward end of the second cap 220 lower surfaces, notch part 12 is located at the back side edge of peristome 10.
Notch part 12 can be located at and make the nonoverlapping position of processing cloth of moving do feeding in operation on sewing machine table 20.Notch part 12 shown in Fig. 1, Fig. 2 is positioned at the right side of column 102.Processing cloth moves do feeding in the operating area below horn 103.Notch part 12 is not overlapping with the processing cloth moving do feeding.The ventilation of notch part 12 is not processed cloth and is hindered and can carry out well.Processing cloth can not be stuck in notch part 12 and can move do feeding well.
Operator is sitting in the front of Sewing machines and carries out operation.As shown in Figure 1 and Figure 2, notch part 12 is away from operator.Operator can not be through the wind of notch part 12 and arrive.Operator's pin can not contact with heating part 330 for 20 times at sewing machine table.Operator can carry out operation in the case of the warming-up effect of part 330 of not generated heat.
As shown in Figure 5, Figure 8, lower cover 200 is cuboid box of whole the opening on top.As mentioned above, lower cover 200 comprises the first cap 210 and the second cap 220.The first cap 210 forms deeplyer than the second cap 220 for receiving feed mechanism and shuttle mechanism.Therefore,, in the time that lower cover 200 is installed on to sewing machine table 20, the lower surface of the first cap 210 than the lower surface of the second cap 220 more on the lower.
The first cap 210 and the second cap 220 are separated wall 230 and separate.The first cap 210 works as the oily reservoir that shuttle mechanism is lubricated.Partition wall 230 prevents that the oil in the first cap 210 from entering in the second cap 220.The first cap 210 has opening 211.Opening 211 is formed to lower surface from the left surface of the first cap 210, for being installed on the maintenance activity such as replacing of shuttle of shuttle mechanism.
As shown in Figure 3, the lower surface of the first cap 210 than being disposed at the control substrate 310 of the second cap 220 lower surfaces, the installation position of power supply board 320 sets low h.Oil in the first cap 210 leaks into outside and flows to the second cap 220 along the lower surface of the first cap 210 from opening 211 sometimes.Because oil can be parked in the border of the first cap 210 and the second cap 220, therefore can not be attached to and control substrate 310, power supply board 320.Control substrate 310, power supply board 320 can normally move.
As shown in Figure 6, the second cap 220 has outstanding wall 204.Outstanding wall 204 is outstanding from the following table faced downwards of the second cap 220.Outstanding wall 204 surrounds around the installation portion of controlling substrate 310, power supply board 320 from three directions.A remaining direction is surrounded by the stage portion between the first cap 210 and the second cap 220.
Making in operation, operator trickles down the liquid such as drinking water on sewing machine table 20 sometimes.Unrestrained liquid can, along the side faced downwards drippage of lower cover 200, arrive the lower surface of the second cap 220.Outstanding wall 204 stops the liquid that arrives the second cap 220 lower surfaces.Because outstanding wall 204 surrounds the installation portion of controlling substrate 310, power supply board 320, therefore liquid can not be attached to and control substrate 310, power supply board 320.Control substrate 310, power supply board 320 can normally move.
The upper opening of lower cover 200 is the rectangle identical with the peristome 10 of sewing machine table 20.As shown in Figure 8, the long limit Lc2 (left and right directions length) of upper opening is longer than the long limit Lh2 (left and right directions length) of peristome 10.As shown in Figure 7, the minor face Lc1 of upper opening (fore-and-aft direction length) is longer than the minor face Lh1 of peristome 10 (fore-and-aft direction length).Sewing machine table 20 has the lower edge of peristome 10 is carried out to deburring and the recess 22 that forms on its lower surface.As shown in Figure 5, Figure 6, lower cover 200 has bolt installation portion 256 in four corners of opening at an upper portion thereof.As shown in Figure 7, Figure 8, lower cover 200 is by making its upper opening aim at the recess 22 under sewing machine table 20, bolt (not shown) through bolt installation portion 256 is tightened in the bolt hole that is formed at recess 22, and is installed on sewing machine table 20.
Substrate lid 400 is box-shaped lids that the installation portion of circuit substrate 300 (controlling substrate 310, power supply board 320) is covered.As shown in Figure 9, Figure 10, substrate lid 400 has the axial region 402 outstanding along left and right directions in the front side of opening at an upper portion thereof.The second cap 220 has support portion 207 (with reference to Fig. 6) on its lower surface.Outstanding wall 204 both ends of 207 front side, support portion are outstanding towards below.Support portion 207 has the supported hole of left and right directions.Substrate lid 400 supports the axial region of left and right 402 through the supported hole of support portion 207.Substrate lid 400 by rotating to open and close the installation portion of circuit substrate 300 centered by axial region 402.
As shown in Figure 9, cover the installation portion of circuit substrate 300 in the substrate lid 400 of closed condition.The substrate lid 400 of closed condition prevents that the foreign matters such as dust are attached to circuit substrate 300 and prevent operator's pin contact circuit substrate 300.
As shown in the enlarged drawing in Fig. 7, Fig. 8, the upside opening of the substrate lid 400 of closing is in the inner side of outstanding wall 204.Substrate lid 400 forms labyrinth part LS in the inner side of outstanding wall 204.Labyrinth part LS plays the function that the liquid of crossing outstanding wall 204 is stopped.Liquid along lower cover 200 side drippages stops reliably because of outstanding wall 204 and the cooperative effect of labyrinth part LS, can not be attached to circuit substrate 300 (controlling substrate 310, power supply board 320).Circuit substrate 300 can normally action under the state of non-cohesive dust, liquid.
As shown in figure 10, substrate lid 400 by rotating and open towards front centered by axial region 402.Operator opens substrate lid 400 in the time of the maintenance activity such as inspection, replacing of circuit substrate 300.The installation portion of circuit substrate 300 exposes at the rear side of substrate lid 400.Operator can implement maintenance activity at the rear side of substrate lid 400.
Substrate lid 400 is sometimes making in operation because vibration is opened.Substrate lid 400 rotates towards front, below sewing machine table 20, collides with operator's pin.Operator recognizes the unlatching of substrate lid 400, substrate lid 400 can be closed to proceed to make operation.Operator's pin can not contact with circuit substrate 300, can prevent electric shock accidents etc.
As shown in Figure 5, lower cover 200 has handle support portion 52 in the inside bottom surface of the second cap 220.Handle support portion 52 stands vertically in the right back of heat transmission protuberance 257.Handle support portion 52 has the supported hole that runs through its cephalic par along fore-and-aft direction.Lower cover 200 has the axis hole 254 that runs through its anterior side.Axis hole 254 is arranged in a straight line with the supported hole of handle support portion 52.Handle support portion 52 and axis hole 254 support the rotating shaft 51 of presser feet handle 50.
As shown in figure 11, the leading section of rotating shaft 51 is given prominence to towards the outside of lower cover 200 through axis hole 254.Presser feet handle 50 has handle bar 53.Handle bar 53 is connected with the leading section of rotating shaft 51 by connector 54.The cephalic par that handle bar 53 extends towards lower left at it has the operation panel 56 of circular plate type.
Rotating shaft 51 is at lower cover 200 inner support connecting elementss 55.Connecting elements 55 swings by rotating shaft 51 rotations.Connecting elements 55 is connected its cephalic par towards right-hand extension with presser bar lifting mechanisms 6.The cephalic par of connecting elements 55 is pressed towards below with the spring force of the chimeric helical spring 57 of rotating shaft 51.
As shown in Figure 1, handle bar 53 is under normal circumstances positioned at for 20 times and makes the position of operation panel 56 towards left at sewing machine table.Operator aims at knee with operation panel 56, to operate towards the mode of right-hand pressing operation plate 56.Operation panel 56 and handle bar 53 counter-clockwise swing centered by rotating shaft 51.Connecting elements 55 so that its cephalic par improve mode in the interior swing of lower cover 200.
As shown in figure 11, presser bar lifting mechanisms 6 comprises two L shaped handles 60,61.Centered by the axle of L shaped handle 60,61 fore-and-aft directions by support bends portion, swing.L shaped handle 60 is disposed at the upper inner of column 102.The end towards right-hand extension of L shaped handle 60 is connected with connecting elements 55 by the connecting rod 62 of above-below direction.L shaped handle 61 is disposed at the cephalic par inner side of horn 103.The end of extending towards below of L shaped handle 60 is connected with the end of extending towards top of L shaped handle 61 by the connecting rod 63 of left and right directions.The end of extending towards left of L shaped handle 61 is connected with presser bar 107.
As mentioned above, presser bar 107 rises, declines together with being installed on the presser feet 108 of its lower end.As shown in Figure 1, shown in Figure 11, presser feet 108 is under normal conditions in decline state.Operator operates presser feet handle 50 in the time making presser feet 108 increase.L shaped handle 60 is connected with connecting elements 55.L shaped handle 60 is (in Figure 11) swing counterclockwise by the operation of presser feet handle 50.L shaped handle 61 is connected with L shaped handle 60.L shaped handle 61 is (in Figure 11) swing clockwise by the operation of presser feet handle 50.Presser bar 107 is connected with L shaped handle 61.Presser bar 107 and presser feet 108 rise because operating presser feet handle 50.
The handle support portion 52 that presser feet handle 50 is located in lower cover 200 is supported, and is disposed at the front portion of lower cover 200.Presser feet handle 50 can be configured to not extend in long way towards the below of lower cover 200, and therefore, operator's pin can not collide with handle support portion 52, can improve transaction capabilities.
As shown in Figure 1, setting operation pedal 30 below sewing machine table 20.Operator for driving, stop sewing machine electromotor and the rotary speed of sewing machine electromotor changed operating pedal 30 being trampled to operation making in operation.Operating pedal 30 is connected with linkage 40 by connecting rod 31.As shown in figure 13, linkage 40 is located at the rear side of the second cap 220.
Linkage 40 comprises swing handle 41, helical spring 42, rotating shaft 43, locating part 44.Swing handle 41 use rotating shafts 43 and support its right part.Rotating shaft 43 is the axles that extend along fore-and-aft direction.Connecting rod 31 is connected with the left part that swings handle 41.Helical spring 42 applies spring force upward to swinging handle 41.Locating part 44 is by limiting with swing handle 41 collisions that swing because of the spring force of helical spring 42 swing position that swings handle 41.
Swing handle 41 is under normal circumstances positioned at the swing position of limited 44 restriction.In the time that operating pedal 30 is operated, connecting rod 31 will swing handle 41 and pull towards below.Swing handle 41 overcome helical spring 42 spring force and clockwise (in Figure 13) swing.Rotating shaft 43 is rotated by the swing that swings handle 41.The rotation of rotating shaft 43 is delivered to the pedal sensor (not shown) of being located in the second cap 220.The signal that pedal sensor output is corresponding with the operational ton of operating pedal 30.Sewing machine electromotor drives, stops according to the output of pedal sensor, and rotary speed is changed.
Linkage 40 is disposed at the rear side of lower cover 200, does not occupy the bottom of lower cover 200.Because operator's pin can not collide with linkage 40 for 200 times at lower cover, therefore can improve operator's transaction capabilities.Because lower cover 200 is made of metal, therefore support link mechanism 40 stably.Lower cover 200 is able to take to act on because of the operation of operating pedal 30 the larger load of linkage 40.
As mentioned above, circuit substrate 300 configures the configuration plane of circuit component and the lower surface of lower cover 200 abreast.Circuit substrate 300, substrate lid 400 can not take larger space below sewing machine table 20.Because circuit substrate 300, substrate lid 400 are not easy and the operator's who operating pedal 30 and presser feet handle 50 is operated sewing machine table 20 times pin collision, therefore can improve operator's transaction capabilities.
On circuit substrate 300, circuit component centralized configuration highly higher in circuit component is in right side, and highly lower circuit component centralized configuration is in left side.Making in operation, operator is sitting in the position relative with eedle 106 and presser feet 108.Operator's pin is positioned at sewing machine table the side that highly lower circuit component is concentrated for 20 times.Circuit substrate 300, substrate lid 400 are not easy the pin collision with the operator who operating pedal 30 and presser feet handle 50 is operated sewing machine table 20 times, can further improve transaction capabilities.
Circuit substrate 300 is relative with the lower surface of lower cover 200.The heat that circuit substrate 300 sends is easily delivered to lower cover 200.Because lower cover 200 is that the heat that therefore circuit substrate 300 sends can distribute effectively by having the metal of heat conductivity.
Lower cover 200 has the contact site 240 contacting with heating part 315.The heat that heating part 315 sends is delivered to lower cover 200 by contact site 240.Lower cover 200 has the protuberance 257 of heat transmission near contact site 240.The heat that heating part 315 sends can distribute with the effect of protuberance 257 effectively by contact site 240.
The protuberance 257 of heat transmission is positioned near of heating part 315, can be located at the appropriate location of lower cover 200.
As shown in figure 14, the protuberance 257 of variation is located at the rear surface of lower cover 200.The heat that heating part 315 sends is delivered to lower cover 200 via contact site 240.Protuberance 257 contacts with the air of lower cover 200 rear sides with larger area.The heat that is delivered to lower cover 200 can distribute effectively by the effect of protuberance 257.
Claims (7)
1. a lower cover for Sewing machines, is installed on the peristome that sewing machine table is provided with, and the bottom of the sewing machine main body outstanding below towards described peristome is covered, it is characterized in that,
Described sewing machine main body has the column being erected on described sewing machine table and the horn extending towards left from the upper end of this column,
Described lower cover has the first cap of the cephalic par side that is positioned at described horn and is positioned at the second cap of described stud sides,
Outside lower surface at described second cap more closer to the top than described the first cap has substrate installation portion, and this substrate installation portion controls for installing to drive the circuit substrate that described sewing machine main body is used,
Described circuit substrate has the low part configuration section of the lower circuit component of configuration and configures the high part configuration section of higher circuit component, described circuit substrate is installed on described substrate installation portion in the following manner: the configuration plane of circuit component is parallel with described sewing machine table and downward, described low part configuration section is positioned at described horn side, and described high part configuration section is positioned at described stud sides.
2. lower cover as claimed in claim 1, is characterized in that, described lower cover has to surround the outstanding wall that described substrate installation portion mode is around outstanding towards below.
3. lower cover as claimed in claim 2, is characterized in that,
Described lower cover also comprises substrate lid, and this substrate lid is installed on the lower surface of described the second cap, and this substrate lid rotates centered by the axle extending along its leading edge, for opening and closing described substrate installation portion,
The trailing edge of described substrate lid in the time that this substrate lid is closed in the inner side of described outstanding wall the lower surface near described the second cap.
4. lower cover as claimed any one in claims 1 to 3, it is characterized in that, described lower cover has contact site, this contact site is located at described substrate installation portion in the mode outstanding towards below, and contact with the circuit component of the heating that is disposed at described circuit substrate, described lower cover is by having the metal of heat conductivity.
5. lower cover as claimed in claim 4, is characterized in that, has protuberance, and this protuberance is located near described contact site, for making to be delivered to the dissipation of heat of this contact site.
6. a Sewing machines, is characterized in that, described Sewing machines comprises the lower cover described in any one in claim 1 to 5.
7. Sewing machines as claimed in claim 6, is characterized in that, described Sewing machines also comprises:
Operating pedal, this operating pedal is for operating the sewing machine electromotor of being located at described sewing machine main body;
Linkage, this linkage is located at the side of described lower cover;
Connecting rod, this connecting rod is connected described linkage with described operating pedal; And
Pedal sensor, this pedal sensor is located at the inside of described lower cover, and the operational ton of the described operating pedal by described connecting rod and linkage transmission is detected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010220399A JP2012075447A (en) | 2010-09-30 | 2010-09-30 | Sewing machine under-cover and sewing machine |
| JP2010-220399 | 2010-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102443979A CN102443979A (en) | 2012-05-09 |
| CN102443979B true CN102443979B (en) | 2014-11-05 |
Family
ID=46006896
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110307695.4A Active CN102443979B (en) | 2010-09-30 | 2011-09-29 | Lower cover of sewing machine and sewing machine thereof |
| CN2011203854354U Expired - Lifetime CN202380247U (en) | 2010-09-30 | 2011-09-29 | Lower cover of sewing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203854354U Expired - Lifetime CN202380247U (en) | 2010-09-30 | 2011-09-29 | Lower cover of sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012075447A (en) |
| CN (2) | CN102443979B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498299A (en) * | 2013-09-18 | 2014-01-08 | 苏州巨康缝制机器人有限公司 | Handpiece |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239160A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| CN2728052Y (en) * | 2004-08-25 | 2005-09-21 | 陆兴生 | Water-proof structure for eave of case type transformer station |
| CN1904175A (en) * | 2005-07-27 | 2007-01-31 | 兄弟工业株式会社 | Sartorius |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008048884A (en) * | 2006-08-24 | 2008-03-06 | Juki Corp | Sewing machine for industrial use |
-
2010
- 2010-09-30 JP JP2010220399A patent/JP2012075447A/en active Pending
-
2011
- 2011-09-29 CN CN201110307695.4A patent/CN102443979B/en active Active
- 2011-09-29 CN CN2011203854354U patent/CN202380247U/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239160A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| CN1495315A (en) * | 1998-06-12 | 2004-05-12 | 重机株式会社 | Control box device for sewing mechine |
| CN2728052Y (en) * | 2004-08-25 | 2005-09-21 | 陆兴生 | Water-proof structure for eave of case type transformer station |
| CN1904175A (en) * | 2005-07-27 | 2007-01-31 | 兄弟工业株式会社 | Sartorius |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102443979A (en) | 2012-05-09 |
| CN202380247U (en) | 2012-08-15 |
| JP2012075447A (en) | 2012-04-19 |
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