CN102443979A - Lower cover of sewing machine and sewing machine thereof - Google Patents

Lower cover of sewing machine and sewing machine thereof Download PDF

Info

Publication number
CN102443979A
CN102443979A CN2011103076954A CN201110307695A CN102443979A CN 102443979 A CN102443979 A CN 102443979A CN 2011103076954 A CN2011103076954 A CN 2011103076954A CN 201110307695 A CN201110307695 A CN 201110307695A CN 102443979 A CN102443979 A CN 102443979A
Authority
CN
China
Prior art keywords
lower cover
substrate
cap
sewing machine
installation portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011103076954A
Other languages
Chinese (zh)
Other versions
CN102443979B (en
Inventor
川岛义人
森诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brother Industries Ltd
Original Assignee
Brother Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brother Industries Ltd filed Critical Brother Industries Ltd
Publication of CN102443979A publication Critical patent/CN102443979A/en
Application granted granted Critical
Publication of CN102443979B publication Critical patent/CN102443979B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sewing Machines And Sewing (AREA)

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

The lower cover of Sewing machines and Sewing machines
Technical field
The present invention relates to a kind of bottom lower cover that covers and the Sewing machines that comprises lower cover of the sewing machine main body that will give prominence to towards the sewing machine table below.
Background technology
Sewing machines comprises the sewing machine main body that is arranged on the sewing machine table.Sewing machine main body comprises base, column, horn.Sewing machine table has peristome.Sewing machine main body is arranged on the sewing machine table with the mode with base occlusion of openings portion.Column stands vertically on base.Upper surface with base extends horn abreast from the upper end of column.Horn supports eedle, presser feet at its cephalic par.Presser feet drops on the base and pushes machining cloth.Eedle rises, descends, and machining cloth is made in feed mechanism, the shuttle mechanism interaction inner with being located at base.
The Sewing machines of 2000 No. 388 records of day disclosure special permission communique comprises lower cover.The bottom of the sewing machine main body that lower cover will be given prominence to towards the sewing machine table below covers.Lower cover has the substrate installation portion, and this substrate installation portion is used for the circuit substrate that installing drive control sewing machine main body is used.The substrate installation portion is a framework of being located at the lower cover lower surface with the mode of extending towards the below.Circuit substrate is installed on the two sides, the left and right sides of framework, is covered by control cabinet.Control cabinet takies the bigger space of above-below direction under sewing machine table.
Operating portions such as operating pedal, presser feet handle are set under sewing machine table.The operator operates operating portion with pin.In making operation, operating pedal is operated for the sewing machine electromotor that drives, stops to be located at sewing machine main body, the rotary speed of change sewing machine electromotor.In the beginning of making or when finishing for making presser feet improve, machining cloth is disposed on the base or machining cloth taken away the presser feet handle is operated.
When operating portions such as operating pedal, presser feet handle were 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 descend.
Summary of the invention
The object of the present invention is to provide a kind of can below the sewing machine table not take circuit substrate, the operation of using than the mode installing drive of large space control sewing machine main body that does not hinder the operating portion under the sewing machine table, the lower cover and the Sewing machines that can improve the Sewing machines of the transaction capabilities of making.
The lower cover of technical scheme 1 be mounted in peristome that sewing machine table is provided with, will be towards the below of above-mentioned peristome the lower cover of the Sewing machines that covers of the bottom of outstanding sewing machine main body; Lower surface has the substrate installation portion in the outside; This substrate installation portion is used for installing drive and controls the circuit substrate that above-mentioned sewing machine main body is used, and the foregoing circuit substrate is installed on the aforesaid substrate installation portion with the configuration plane of the circuit component mode parallel with above-mentioned sewing machine table.
Lower cover of the present invention has the substrate installation portion.Substrate installation portion power supply base board is installed with the configuration plane of the circuit component mode parallel with sewing machine table.Lower cover does not take than large space under sewing machine table being equipped with under the state of circuit substrate.The operator can improve transaction capabilities with under the circuit substrate case of collision not implementing the operation under the sewing machine table.
In the lower cover of technical scheme 2; The foregoing circuit substrate has the control basal plate and the power supply board that disposes higher circuit component of the lower circuit component of configuration; Above-mentioned control basal plate 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.
The substrate installation portion is installed on power supply board and control basal plate the not homonymy of left and right directions.The installation portion of power supply board can be installed on the side away from the operator, and the installation portion of control basal plate can be installed on the side near the operator.The operator can improve transaction capabilities with under the higher circuit component case of collision that is configured on the power supply board not implementing the operation under the sewing machine table.
In the lower cover of technical scheme 3; The foregoing circuit substrate has the low part configuration part and the high part configuration part that disposes higher circuit component of the lower circuit component of configuration, and the mode that the foregoing circuit substrate separates on left and right directions with above-mentioned low part configuration part and above-mentioned high part configuration part is installed on the aforesaid substrate installation portion.
In the present invention, use circuit substrate with low part configuration part and high part configuration part.The substrate installation portion is so that low part configuration part is installed circuit substrate with the different mode in high part configuration part position on left and right directions.High part configuration part can be installed on the side away from the operator, and low part configuration part can be installed on the side near the operator.The operator can improve transaction capabilities with under the higher circuit component case of collision of the height that is disposed at high part configuration part not implementing the operation under the sewing machine table.
In the lower cover of technical scheme 4~6; Above-mentioned sewing machine main body has column that is erected on the above-mentioned sewing machine table and the horn that extends towards left from the upper end of this column; Above-mentioned lower cover has first cap and second cap that is positioned at above-mentioned stud sides of the cephalic par side that is positioned at above-mentioned horn, and the aforesaid substrate installation portion is located at the lower surface that more leans on above-mentioned second cap of top than above-mentioned first cap.
Lower cover has first cap and second cap that is positioned at the stud sides of sewing machine main body of the horn cephalic par side that is positioned at sewing machine main body.The substrate installation portion is located at the lower surface that more leans on second cap of top than first cap.The circuit substrate that is installed on the substrate installation portion can not take than large space under sewing machine table, can improve transaction capabilities.
First cap is stored the lubricating oil of internal mechanism.It is outside that lubricating oil leaks into first cap sometimes.The oil that leaks can flow to second cap along the lower surface of first cap.Because oil can be parked in the border of more leaning on second cap of top than first cap, therefore can not be attached to circuit substrate, circuit substrate can normally move.
The lower cover of technical scheme 7~9 has to surround the aforesaid substrate installation portion mode on every side outstanding wall outstanding towards the below.
In making operation, the operator trickles down 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 getting into the substrate installation portion.Liquid that can not is attached to circuit substrate, and circuit substrate can normally move.
The lower cover of technical scheme 10~12 also comprises the substrate lid; This substrate lid is installed on the lower surface of above-mentioned second cap; This substrate lid is that rotate at the center with the axle that extends along its leading edge; Be used to open and close the aforesaid substrate installation portion, the trailing edge of substrate lid when this substrate lid is closed in the inboard of above-mentioned outstanding wall near the lower surface of above-mentioned second cap.
Substrate lid is that the center is rotated and opened and closed the substrate installation portion with the axle of its leading edge.Substrate covers swings to the place ahead when opening, with the pin collision of making the operator in the operation.The 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 to produce electric shock accidents.
The substrate lid of closing forms labyrinth part near the inboard of giving prominence to wall.Labyrinth part is stopped liquid with outstanding wall, prevents that liquid from getting into the substrate installation portion.Liquid that can not is attached to circuit substrate, and circuit substrate can normally move.
The lower cover of technical scheme 13 has contact site, and this contact site is located at the aforesaid substrate installation portion with the mode outstanding towards the below, and contacts with the circuit component of the heating that is disposed at the foregoing circuit substrate, and above-mentioned lower cover is by having the metal of heat conductivity.
The lower cover of technical scheme 14 has protuberance, and this protuberance is located near the above-mentioned contact site, is used to make the heat that is delivered to this contact site to distribute.
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 through contact site.Protuberance is located near the contact site, and the heat that is delivered to contact site is distributed.The heat that contact site and protuberance can make circuit component send distributes reliably.
The Sewing machines of technical scheme 15 comprises each described lower cover in the technical scheme 1~14.
The Sewing machines of technical scheme 16 also comprises: for the pedal that the rotary speed of the sewing machine electromotor of above-mentioned sewing machine main body is operated is located in change; Be located at the linkage of the side of above-mentioned lower cover; The connecting rod that connects 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 through 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 bigger load that acts on linkage because of the operation of operating pedal.
Description of drawings
Fig. 1 is the front view of Sewing machines.
Fig. 2 is the stereogram that the past beneath is equipped 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 vertical view that the lower cover of circuit substrate is installed from beneath.
Fig. 5 observes the inner stereogram of lower cover from the top.
Fig. 6 is the stereogram from beneath lower cover lower surface.
Fig. 7 is the VII-VII line side cross sectional view along Fig. 3.
Fig. 8 is the VIII-VIII line side cross sectional view along Fig. 4.
Fig. 9 is the left view that the substrate lid is in closed condition.
Figure 10 is the left view that the substrate lid is in open mode.
Figure 11 is a stereogram of observing presser feet handle holding state from the 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.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.Below employed direction (forward and backward and left and right) is represented with arrow in the drawings in the explanation.
As shown in Figure 1, Sewing machines comprises the sewing machine main body 100 that is arranged on the sewing machine table 20.Sewing machine main body 100 comprises base 101, column 102, horn 103.Base 101 is that the mode of left and right directions is installed on sewing machine table 20 with its long side direction.
Sewing machine table 20 has the oblong openings portion 10 corresponding with base 101.Sewing machine main body 100 is to install with the mode of base 101 occlusion of openings portions 10.Base 101 portion within it comprises feed mechanism and shuttle mechanism (not shown).Feed mechanism and shuttle mechanism are covered by the lower cover 200 that is installed under the sewing machine table 20.Lower cover 200 is processed by the metal material with heat conductivity, and is for example made of aluminum.
Column 102 is erect above the court of the right part of base 101.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 rises, descends through the action of being located at the needle bar drive device (not shown) in the horn 103 with eedle 106.Presser bar 107 is installed presser feet 108 in its lower end.Presser bar 107 rises, descends through the action of the presser bar lifting mechanisms 6 (with reference to Figure 11) in column 102, the horn 103 with presser feet 108.
The presser feet 108 that descends is pushed the machining cloth on the base 101.Needle bar drive device is interactive with feed mechanism, shuttle mechanism through the driving of the included sewing machine electromotor (not shown) of sewing machine main body 100.Eedle 106 rises, descends and make the machining cloth on the base 101.Sewing machine electromotor is installed on the right side of the column 102 of tegmentum 109 coverings.
Like Fig. 2~shown in Figure 4, lower cover 200 is installed circuit substrate 300 at its lower surface.Lower cover 200 has first cap 210 and second cap 220.As shown in Figure 1, first cap 210 is positioned at the cephalic par side (left side) of horn 103.Second cap 220 is positioned at column 102 sides (right side).First cap 210, second cap 220 the has lower surface parallel with sewing machine table 20.The lower surface of second cap 220 is positioned at the top with respect to the lower surface of first cap 210.Like Fig. 3, shown in Figure 4, circuit substrate 300 is installed on the lower surface of 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 control basal plate 310 and power supply board 320.Control basal plate 310, power supply board 320 dispose a plurality of circuit component 312,322 on a face separately.As shown in Figure 6, second cap 220 has a plurality of protuberances 203 at its lower surface.A plurality of protuberances 203 have identical height.Control basal plate 310, power supply board 320 and are screwed and are installed on each protuberance 203 so that the mode of the configuration plane of circuit component 312,322 towards the below places on the corresponding protuberance 203.As shown in Figure 3, control basal plate 310, power supply board 320 are parallel with this lower surface on the position of the lower surface of distance second cap 220 and the corresponding size of height of protuberance 203.Control basal plate 310, power supply board 320 so that the configuration plane of circuit component 312,322 install abreast towards the mode and the sewing machine table 20 of below.
In the circuit component 312 of control basal plate 310, integrated circuit, resistance, the part that the capacitor equal altitudes is lower are more.In the circuit component 322 of power supply board 320, the higher part of transformer equal altitudes is more.Power supply board 320 is installed on the position away from first cap 210 on the lower surface of second cap 220.Control basal plate 310 is being installed on the lower surface of second cap 220 near first cap 210.The circuit component 312 of control basal plate 310 comprises than low circuit component 313 of specified altitude To and the circuit component 314 higher than specified altitude To.In the circuit component 312 of control basal plate 310, circuit component 313 centralized configuration that will be lower near first cap 210, with higher circuit component 314 centralized configuration in position away from first cap 210.
When as stated lower cover 200 being installed, power supply board 320 is positioned at the right side, and control basal plate 310 is positioned at the left side.Control basal plate 310 has the low part configuration part and the high part configuration part that disposes higher circuit component 314 of the lower circuit component of configuration 313.Low part configuration part is separated on left and right directions with high part configuration part, is that the mode that left side, high part configuration part are the right side is installed with low part configuration part.When observing lower cover 200 integral body, higher circuit component 322,314 is positioned at the right side, and lower circuit component 313 is positioned at the 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 322,314 of configuration down, the left side of the lower circuit component 314 of configuration is in last such stage portion.
Like Fig. 3, shown in Figure 4, control basal plate 310 comprises heating part 315.Heating part 315 for example is IPM (Intelligent Power Module: SPM).Heating part 315 is disposed at the central portion towards the face of top of control basal plate 310.
As shown in Figure 6, lower cover 200 has contact site 240.Contact site 240 is outstanding below court on the lower surface of second cap 220.Contact site 240 has position, shape, the size corresponding with the heating part of control basal plate 310 315.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 side bottom surface within it has the protuberance 257 of heat transmission.Protuberance 257 is the linearity that extends along fore-and-aft direction, and on left and right directions, is arranged with a plurality of.The formation position of protuberance 257 is corresponding with the contact site 240 of second cap, 220 lower surfaces.Protuberance 257 is bigger 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 through contact site 240 reliably.
When having a plurality of heating part 315, contact site 240 is set in the position of each heating part 315, protuberance 257 gets final product.When the position of a plurality of heating parts 315 was nearer, contact site 240, protuberance 257 also can be shared.
Like Fig. 1, shown in 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 that is communicated with up and down with sewing machine table 20.
Second cap 220 comprises heating part 330.Heating part 330 for example is the regeneration resistance of the electricity when consuming the sewing machine electromotor deceleration.Like Fig. 2~shown in Figure 4, heating part 330 is adhered to the right part of second cap, 220 lower surfaces.Heating part 330 is positioned near the notch part 12.The heat that heating part 330 sends produces free convection in notch part 12.Heating part 330 through with notch part 12 in from below towards above mobile wind contact and cool off.
Notch part 12 is provided with the position corresponding mode with heating part 330.For example, when heating part 330 was disposed at the rearward end of second cap, 220 lower surfaces, the back side edge that notch part 12 is located at peristome 10 got final product.
The nonoverlapping position of the machining cloth that on sewing machine table 20, moves do feeding in the operation can is located at and make to notch part 12.Fig. 1, notch part 12 shown in Figure 2 are positioned at the right side of column 102.Machining cloth moves do feeding in the operating area below horn 103.Notch part 12 is not overlapping with the machining cloth that moves do feeding.The ventilation of notch part 12 is not hindered by machining cloth and can carry out well.Machining cloth can not be stuck in notch part 12 and can move do feeding well.
The operator is sitting in the place ahead of Sewing machines and carries out operation.Like Fig. 1, shown in Figure 2, notch part 12 is away from the operator.The operator can not passed the wind of notch part 12 and arrived.Operator's pin can not contact with heating part 330 sewing machine table 20 times.The operator can carry out operation under the situation of the warming-up effect of the part 330 that do not generated heat.
Like Fig. 5, shown in Figure 8, lower cover 200 is cuboid box of whole the opening on top.As stated, lower cover 200 comprises first cap 210 and second cap 220.First cap 210 forms deeplyer than second cap 220 for taking in feed mechanism and shuttle mechanism.Therefore, when lower cover 200 was installed on sewing machine table 20, the lower surface of first cap 210 more leaned on the below than the lower surface of second cap 220.
First cap 210 and second cap 220 are separated wall 230 and separate.First cap 210 works as the reservoir of the oil that shuttle mechanism is lubricated.Partition wall 230 prevents that the oil in first cap 210 from getting in second cap 220.First cap 210 has opening 211.Opening 211 is formed up to lower surface from the left surface of first cap 210, is used to be installed on the maintenance activities such as replacing of the shuttle of shuttle mechanism.
As shown in Figure 3, the lower surface of first cap 210 is than the low h in the installation site of the control basal plate 310 that is disposed at second cap, 220 lower surfaces, power supply board 320.Oil in first cap 210 leaks into the outside and flows to second cap 220 along the lower surface of first cap 210 from opening 211 sometimes.Because oil can be parked in the border of first cap 210 and second cap 220, therefore can not be attached to control basal plate 310, power supply board 320.Control basal plate 310, power supply board 320 can normally move.
As shown in Figure 6, second cap 220 has outstanding wall 204.Outstanding wall 204 is outstanding from the following table faced downwards of second cap 220.Outstanding wall 204 surrounds around the installation portion of control basal plate 310, power supply board 320 from three directions.A remaining direction is surrounded by the stage portion between first cap 210 and second cap 220.
In making operation, the operator trickles down liquid such as drinking water on sewing machine table 20 sometimes.Unrestrained liquid can drip towards the below along the side of lower cover 200, arrives the lower surface of second cap 220.The liquid that outstanding wall 204 will arrive second cap, 220 lower surfaces stops.Because outstanding wall 204 surrounds the installation portion of control basal plate 310, power supply board 320, so liquid that can not is attached to control basal plate 310, power supply board 320.Control basal plate 310, power supply board 320 can normally move.
The upper opening of lower cover 200 is the rectangle identical with the peristome of sewing machine table 20 10.As shown in Figure 8, the long limit Lh2 (left and right directions length) of long limit Lc2 (left and right directions length) the ratio open portion 10 of upper opening is long.As shown in Figure 7, the minor face Lh1 (fore-and-aft direction length) of the minor face Lc1 of upper opening (fore-and-aft direction length) ratio open portion 10 is long.Sewing machine table 20 has on its lower surface that the lower edge of splitting oral area 10 is carried out deburring and the recess 22 that forms.Like Fig. 5, shown in Figure 6, lower cover 200 four corners of opening at an upper portion thereof has bolt installation portion 256.Like Fig. 7, shown in Figure 8, lower cover 200 is aimed at the recess 22 under the sewing machine table 20 through making its upper opening, the bolt that passes bolt installation portion 256 (not shown) is tightened in the bolt hole that is formed at recess 22, and is installed on sewing machine table 20.
Substrate lid 400 is the box-shaped lids with the installation portion covering of circuit substrate 300 (control basal plate 310, power supply board 320).Like Fig. 9, shown in Figure 10, substrate lid 400 front side of opening at an upper portion thereof has along the outstanding axial region 402 of left and right directions.Second cap 220 has support portion 207 (with reference to Fig. 6) on its lower surface.Support portion 207 is outstanding below the court of outstanding wall 204 both ends of front side.Support portion 207 has the supported hole of left and right directions.Substrate lid 400 with about axial region 402 supported hole that passes support portion 207 support.Substrate lid 400 is through being that the installation portion that opens and closes circuit substrate 300 is rotated at the center with axial region 402.
As shown in Figure 9, the substrate lid 400 that is in closed condition covers the installation portion of circuit substrate 300.The substrate of closed condition lid 400 prevents that foreign matter such as dust is attached to circuit substrate 300 and prevents operator's pin contact circuit substrate 300.
Shown in the enlarged drawing among Fig. 7, Fig. 8, the upside opening of the substrate lid 400 of closing is in the inboard of outstanding wall 204.Substrate lid 400 forms labyrinth part LS in the inboard of outstanding wall 204.Labyrinth part LS plays the function that the liquid of crossing outstanding wall 204 is stopped.The liquid of drippage stops because of outstanding wall 204 and the cooperative effect of labyrinth part LS reliably along lower cover 200 sides, can not be attached to circuit substrate 300 (control basal plate 310, power supply board 320).Circuit substrate 300 can action normally under the state of non-cohesive dust, liquid.
Shown in figure 10, substrate lid 400 is through being that the center is rotated towards the place ahead and opened with axial region 402.The operator opens substrate lid 400 when maintenance activities such as the inspection of circuit substrate 300, replacing.The installation portion of circuit substrate 300 exposes at the rear side of substrate lid 400.The operator can be covered 400 rear side enforcement maintenance activity at substrate.
Substrate lid 400 is opened because of vibration in making operation sometimes.Substrate lid 400 rotates towards the place ahead, and the pin with the operator below sewing machine table 20 collides.The operator recognizes the unlatching of substrate lid 400, can substrate be covered 400 and close to proceed to make operation.Operator's pin can not contact with circuit substrate 300, can prevent to produce electric shock accidents etc.
As shown in Figure 5, lower cover 200 has handle support portion 52 in the inside bottom surface of 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.The rotating shaft 51 of handle support portion 52 and axis hole 254 support presser feet handles 50.
Shown in figure 11, the leading section of rotating shaft 51 passes axis hole 254 and gives prominence to towards the outside of lower cover 200.Presser feet handle 50 has handle bar 53.Handle bar 53 is connected with the leading section of rotating shaft 51 through connector 54.The operation panel 56 that handle bar 53 has circular plate type at its cephalic par that extends towards the lower left.
Rotating shaft 51 is support and connection member 55 in lower cover 200.Connecting elements 55 is swung through rotating shaft 51 rotations.Connecting elements 55 is connected its cephalic par towards right-hand extension with presser bar lifting mechanisms 6.The spring force of the helical spring 57 that the cephalic par quilt of connecting elements 55 and rotating shaft 51 are chimeric is pushed towards the below.
As shown in Figure 1, handle bar 53 generally is positioned at for 20 times at sewing machine table and makes the position of operation panel 56 towards left.The operator aims at knee with operation panel 56, operate with the mode towards right-hand pressing operation plate 56.Operation panel 56 is the center counter-clockwise swing with handle bar 53 with rotating shaft 51.Connecting elements 55 so that the mode that its cephalic par improves in lower cover 200, swing.
Shown in figure 11, presser bar lifting mechanisms 6 comprises two L shaped handles 60,61.L shaped handle 60,61 is that swing at the center with the axle of the fore-and-aft direction of support bends portion.L shaped handle 60 is disposed at the upper inner of column 102.The end of the right-hand extension of court of L shaped handle 60 is connected with connecting elements 55 through the connecting rod 62 of above-below direction.L shaped handle 61 is disposed at the cephalic par inboard of horn 103.The end of extending towards the below of L shaped handle 60 is connected with the end of extending towards the top of L shaped handle 61 through the connecting rod 63 of left and right directions.The end towards left extends of L shaped handle 61 is connected with presser bar 107.
As stated, presser bar 107 rises, descends with the presser feet that is installed on its lower end 108.Like Fig. 1, shown in Figure 11, presser feet 108 is in the decline state under normal conditions.The operator is operation presser feet handle 50 when presser feet 108 is risen.L shaped handle 60 is connected with connecting elements 55.L shaped handle 60 is (among Figure 11) swing counterclockwise through the operation of presser feet handle 50.L shaped handle 61 is connected with L shaped handle 60.L shaped handle 61 is (among Figure 11) swing clockwise through the operation of presser feet handle 50.Presser bar 107 is connected with L shaped handle 61.Presser bar 107 rises because of operation presser feet handle 50 with presser feet 108.
The handle support portion 52 that presser feet handle 50 is located in the 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 longways towards the below of lower cover 200 is long, 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.The operator is for driving, stopping sewing machine electromotor and make the rotary speed variation of sewing machine electromotor in making operation, trample operation to operating pedal 30.Operating pedal 30 is connected with linkage 40 through connecting rod 31.Shown in figure 13, linkage 40 is located at the rear side of second cap 220.
Linkage 40 comprises swing handle 41, helical spring 42, rotating shaft 43, locating part 44.Its right part is supported in the 41 usefulness rotating shafts 43 of swing handle.Rotating shaft 43 is the axles that extend along fore-and-aft direction.Connecting rod 31 is connected with the left part of swing handle 41.42 pairs of swings of helical spring handle 41 applies the spring force towards the top.Locating part 44 is through limiting the swing position of swinging handle 41 with the swing handle of swinging because of the spring force of helical spring 42 41 collisions.
Swing handle 41 generally is positioned at the swing position of limited 44 restriction.When operating pedal 30 is operated, connecting rod 31 will be swung handle 41 and pull towards the below.Swing handle 41 overcomes spring force and clockwise (among Figure 13) swing of helical spring 42.Rotating shaft 43 is rotated through the swing of swing handle 41.The rotation of rotating shaft 43 is delivered to the pedal sensor of being located in second cap 220 (not shown).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 therefore operator's pin can not improve operator's transaction capabilities in lower cover 200 times and linkage 40 collisions.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 bigger load of linkage 40.
As stated, circuit substrate 300 disposes the configuration plane of circuit component and the lower surface of lower cover 200 abreast.Circuit substrate 300, substrate lid 400 can not take than large space below sewing machine table 20.Because circuit substrate 300, substrate lid 400 is not easy the pin collision with the operator who operating pedal 30 and presser feet handle 50 is operated sewing machine table 20 times, therefore can improve operator's transaction capabilities.
On circuit substrate 300, circuit component centralized configuration highly higher in the circuit component is in the right side, and highly lower circuit component centralized configuration is in the left side.In making operation, the operator is sitting in the position relative with eedle 106 and presser feet 108.Operator's pin is positioned at the side that highly lower circuit component is concentrated for 20 times at sewing machine table.Circuit substrate 300, substrate lid 400 is 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 delivered to lower cover 200 easily.Because lower cover 200 is by having the metal of heat conductivity, so the heat that circuit substrate 300 sends can distribute effectively.
Lower cover 200 has the contact site 240 that contacts with heating part 315.The heat that heating part 315 sends is delivered to lower cover 200 through 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 through contact site 240 effectively.
The protuberance 257 of heat transmission is positioned near heating the of part 315 and gets final product, and can be located at the appropriate location of lower cover 200.
Shown in figure 14, the protuberance 257 of variation is located at the back 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 bigger area with lower cover 200 rear sides.The heat that is delivered to lower cover 200 can distribute through the effect of protuberance 257 effectively.

Claims (16)

1. the lower cover of a Sewing machines is installed on the peristome that sewing machine table is provided with, and the bottom of the sewing machine main body that will give prominence to towards the below of said peristome covers, it is characterized in that,
Lower surface has the substrate installation portion in the outside, and this substrate installation portion is used for installing drive and controls the circuit substrate that said sewing machine main body is used,
Said circuit substrate is installed on said substrate installation portion with the configuration plane of the circuit component mode parallel with said sewing machine table.
2. lower cover as claimed in claim 1 is characterized in that,
Said circuit substrate has the control basal plate and the power supply board that disposes higher circuit component of the lower circuit component of configuration,
Said control basal plate is installed on left and right directions one side of said substrate installation portion, and said power supply board is installed on the left and right directions opposite side of said substrate installation portion.
3. lower cover as claimed in claim 1; It is characterized in that; Said circuit substrate has the low part configuration part and the high part configuration part that disposes higher circuit component of the lower circuit component of configuration, and the mode that said circuit substrate separates on left and right directions with said low part configuration part and said high part configuration part is installed on said substrate installation portion.
4. lower cover as claimed in claim 1 is characterized in that,
Said sewing machine main body has column that is erected on the said sewing machine table and the horn that extends towards left from the upper end of this column,
Said lower cover has first cap and second cap that is positioned at said stud sides of the cephalic par side that is positioned at said horn,
Said substrate installation portion is located at the lower surface that more leans on said second cap of top than said first cap.
5. lower cover as claimed in claim 2 is characterized in that,
Said sewing machine main body has column that is erected on the said sewing machine table and the horn that extends towards left from the upper end of this column,
Said lower cover has first cap and second cap that is positioned at said stud sides of the cephalic par side that is positioned at said horn,
Said substrate installation portion is located at the lower surface that more leans on said second cap of top than said first cap.
6. lower cover as claimed in claim 3 is characterized in that,
Said sewing machine main body has column that is erected on the said sewing machine table and the horn that extends towards left from the upper end of this column,
Said lower cover has first cap and second cap that is positioned at said stud sides of the cephalic par side that is positioned at said horn,
Said substrate installation portion is located at the lower surface that more leans on said second cap of top than said first cap.
7. lower cover as claimed in claim 4 is characterized in that, said lower cover has to surround the said substrate installation portion mode on every side outstanding wall outstanding towards the below.
8. lower cover as claimed in claim 5 is characterized in that, said lower cover has to surround the said substrate installation portion mode on every side outstanding wall outstanding towards the below.
9. lower cover as claimed in claim 6 is characterized in that, said lower cover has to surround the said substrate installation portion mode on every side outstanding wall outstanding towards the below.
10. lower cover as claimed in claim 7 is characterized in that,
Said lower cover also comprises the substrate lid, and this substrate lid is installed on the lower surface of said second cap, and this substrate lid is that rotate at the center with the axle that extends along its leading edge, is used to open and close said substrate installation portion,
The trailing edge of said substrate lid when this substrate lid is closed in the inboard of said outstanding wall near the lower surface of said second cap.
11. lower cover as claimed in claim 8 is characterized in that,
Said lower cover also comprises the substrate lid, and this substrate lid is installed on the lower surface of said second cap, and this substrate lid is that rotate at the center with the axle that extends along its leading edge, is used to open and close said substrate installation portion,
The trailing edge of said substrate lid when this substrate lid is closed in the inboard of said outstanding wall near the lower surface of said second cap.
12. lower cover as claimed in claim 9 is characterized in that,
Said lower cover also comprises the substrate lid, and this substrate lid is installed on the lower surface of said second cap, and this substrate lid is that rotate at the center with the axle that extends along its leading edge, is used to open and close said substrate installation portion,
The trailing edge of said substrate lid when this substrate lid is closed in the inboard of said outstanding wall near the lower surface of said second cap.
13. like each described lower cover in the claim 1 to 12; It is characterized in that; Said lower cover has contact site; This contact site is located at said substrate installation portion with the mode outstanding towards the below, and contacts with the circuit component of the heating that is disposed at said circuit substrate, and said lower cover is by having the metal of heat conductivity.
14. lower cover as claimed in claim 13 is characterized in that, has protuberance, this protuberance is located near the said contact site, is used to make the heat that is delivered to this contact site to distribute.
15. a Sewing machines is characterized in that, said Sewing machines comprises each described lower cover in the claim 1 to 14.
16. Sewing machines as claimed in claim 15 is characterized in that, said Sewing machines also comprises:
Operating pedal, this operating pedal are used for the sewing machine electromotor of being located at said sewing machine main body is operated;
Linkage, this linkage is located at the side of said lower cover;
Connecting rod, this connecting rod is connected said linkage with said operating pedal; And
Pedal sensor, this pedal sensor is located at the inside of said lower cover, and the operational ton of the said operating pedal through said connecting rod and linkage transmission is detected.
CN201110307695.4A 2010-09-30 2011-09-29 Lower cover of sewing machine and sewing machine thereof Active CN102443979B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-220399 2010-09-30
JP2010220399A JP2012075447A (en) 2010-09-30 2010-09-30 Sewing machine under-cover and sewing machine

Publications (2)

Publication Number Publication Date
CN102443979A true CN102443979A (en) 2012-05-09
CN102443979B CN102443979B (en) 2014-11-05

Family

ID=46006896

Family Applications (2)

Application Number Title Priority Date Filing Date
CN2011203854354U Expired - Lifetime CN202380247U (en) 2010-09-30 2011-09-29 Lower cover of sewing machine
CN201110307695.4A Active CN102443979B (en) 2010-09-30 2011-09-29 Lower cover of sewing machine and sewing machine thereof

Family Applications Before (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) CN202380247U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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 (4)

* Cited by examiner, † Cited by third party
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
JP2008048884A (en) * 2006-08-24 2008-03-06 Juki Corp Sewing machine for industrial use

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
JP2008048884A (en) * 2006-08-24 2008-03-06 Juki Corp Sewing machine for industrial use

Cited By (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JP2012075447A (en) 2012-04-19
CN102443979B (en) 2014-11-05
CN202380247U (en) 2012-08-15

Similar Documents

Publication Publication Date Title
EP2444265B1 (en) Electric transaxle unit
CN104039598B (en) Battery-type Work machine and battery-type fork truck
CN215280312U (en) Gas shielded welding machine with built-in wire feeding device
CN202380247U (en) Lower cover of sewing machine
US20100270397A1 (en) Electric fan with water atomizer
CN100368619C (en) Oil box of sewing machine
CN109068587A (en) Unmanned traveling Operation Van
CN102443978A (en) Lower cover of sewing machine and sewing machine thereof
CN102443983A (en) Lower cover of sewing machine
CN102443980B (en) Lower cover of sewing machine and sewing machine thereof
CN102560921B (en) Sewing machine and sewing machine table
CN102535051A (en) Sewing machine, lower cover and platen of sewing machine
CN102443984A (en) Lower cover of sewing machine and sewing machine thereof
CN102443982A (en) Lower cover of sewing machine and sewing machine thereof
CN102443981A (en) Lower cover of sewing machine and sewing machine thereof
CN202786727U (en) Oil tank for sewing machine
CN1904175B (en) Sartorius
CN206457616U (en) A kind of sewing machine with overturning seat
CN211281343U (en) Take-out electric vehicle head assembly convenient to take out
CN202202123U (en) Integrated sewing machine with electrical attachment
CN201636055U (en) Improved blade-rotating fan
CN105957752A (en) Button feeding mechanism of microswitch assembly equipment
JP2005146741A (en) Cab and work machine
CN220094260U (en) Protective cover structure for ball grinder
CN206452018U (en) A kind of infant industry distribution box

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant