CN102443984A - 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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- CN102443984A CN102443984A CN2011103082921A CN201110308292A CN102443984A CN 102443984 A CN102443984 A CN 102443984A CN 2011103082921 A CN2011103082921 A CN 2011103082921A CN 201110308292 A CN201110308292 A CN 201110308292A CN 102443984 A CN102443984 A CN 102443984A
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- lower cover
- cap
- sewing machine
- substrate
- installation portion
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Abstract
A lower cover of the invention is provided with a projected wall on a lower surface. The projected wall is configured through a mode of surrounding a substrate mounting part which is equipped at a lower surface of the lower cover. The projected wall blocks the liquid which arrives at the lower surface along the lower cover. The liquid does not enter the substrate mounting part nor adhere on a circuit substrate, thereby preventing effect of the circuit substrate by the liquid. The circuit substrate can operate normally and an operator can work continuously.
Description
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 arranged at the outside lower surface of lower cover.Lower cover portion is within it accumulated the oil that is used for lubricated feed mechanism, shuttle mechanism, and has the opening that is used for feed mechanism, shuttle mechanism are adjusted operation.Oil in the lower cover leaks into the outside via opening sometimes and drips downwards.The operator trickles down liquid such as drinking water sometimes on sewing machine table.Unrestrained liquid leaks between peristome and lower cover, drips downwards along lower cover.Liquid such as oil, beverage arrive the lower surface of lower cover, are attached to the circuit substrate of installing at its lower surface.Adhering to of liquid is circuit, circuit component short circuit and the reason for corrosion of circuit substrate, thereby causes circuit substrate normally to move sometimes, and the operator can't work on.
Summary of the invention
The objective of the invention is to prevent that liquid is attached to the circuit component of installing at the substrate installation portion.
The lower cover of technical scheme 1 is installed on the peristome that sewing machine table is provided with; To cover from the bottom of the outstanding sewing machine main body of this peristome; 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 said sewing machine main body is used, and lower surface is provided with outstanding wall to surround said substrate installation portion mode on every side in the said outside.
Lower cover has outstanding wall at its outside lower surface.Outstanding wall stops the liquid that arrives its lower surface along lower cover.Outstanding wall is provided with to surround substrate installation portion mode on every side.Liquid that can not gets into the substrate installation portion, also can not be attached to circuit substrate, thereby circuit substrate can move normally.
The lower cover of technical scheme 2 also comprises the substrate lid that opens and closes said substrate installation portion, the edge part of this substrate lid when this substrate lid is closed in the inboard of said outstanding wall near said outside lower surface.
Lower cover has the substrate lid that can open and close.Covered substrate installation portion when substrate Gai Zaiqi closes, thus prevent that foreign matters such as dust are attached to circuit substrate, and the pin contact circuit substrate below sewing machine table that prevents the operator.When closing, the substrate lid forms labyrinth part near the inboard of giving prominence to wall.Because labyrinth part stops liquid with outstanding wall, liquid that can not is attached to circuit substrate.
In the lower cover of technical scheme 3,4; Said sewing machine main body has the column of erectting towards the top of said sewing machine table; And from the top of this column and the horn of said sewing machine table almost parallel ground extension; Said lower cover comprises first cap of the cephalic par side that is positioned at said horn; And second cap that is positioned at a side of said column, said substrate installation portion and said outstanding wall are arranged at the lower surface of said second cap, and the lower surface of this second cap is positioned at the position of more leaning on the top than the lower surface of said first cap.
The circuit substrate that is installed on the substrate installation portion does not take than large space below sewing machine table, thereby can increase work efficiency.
In the lower cover of technical scheme 5, said circuit substrate is so that the configuration plane of its circuit component mode parallel with said sewing machine table is installed on said substrate installation portion.
The substrate installation portion is so that the configuration plane of the circuit component mode parallel with sewing machine table installed circuit substrate.Under the state that circuit substrate is installed, lower cover does not take than large space below sewing machine table, thereby operator's pin does not collide with circuit substrate, can below sewing machine table, operate, and can increase work efficiency.
The lower cover of technical scheme 6 has contact site, and this contact site is arranged 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 this contact site is by having the metal of heat conductivity.
The lower cover of technical scheme 7 has protuberance, and this protuberance is arranged near the said contact site, is used to make the heat heat radiation that is delivered to this contact site.
Contact site contacts with the circuit component of the heating that is disposed at circuit substrate.The heating of circuit component is delivered to metal lower cover through contact site.Protuberance is arranged near the contact site, make the heat heat radiation that is delivered to contact site, thereby area of dissipation increases, and contact site and protuberance can dispel the heat the heating of circuit component reliably.
The Sewing machines of technical scheme 8 each the described lower cover in the scheme 1 to 7 that possesses skills.
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.
Figure 15 is the key diagram that circuit substrate is in the variation of installment state.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.Below employed direction (front, rear, 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 1C0 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.
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).
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.
The configuration plane of the circuit component of circuit substrate 300 is parallel with sewing machine table 20.Circuit substrate 300, substrate lid 400 do not take than large space below sewing machine table 20.On circuit substrate 300, circuit component centralized configuration higher in the circuit component is in the right side, and lower circuit component centralized configuration is in the left side.The operator is sitting in the place ahead of the operating area of eedle 106 and presser feet 108 belows and carries out operation.Because operator's pin is positioned at the side that highly lower circuit component is concentrated below sewing machine table 20, so circuit substrate 300, substrate lid 400 be not easy below sewing machine table 20 the pin collision with the operator, can increase work efficiency.
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.
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.
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.Stage portion forms the part of outstanding wall 204.
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.
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, and liquid that can not gets into the installation portion of circuit substrate 300.
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.
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 increase work efficiency.
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.
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.
As stated, lower cover 200 has outstanding wall 204.Outstanding wall 204 is outstanding from the following table faced downwards of second cap 220, surrounds the installation portion of circuit substrate 300 (control basal plate 310, power supply board 320) from three directions.
In making operation, the operator trickles down liquid such as drinking water sometimes on sewing machine table 20.Unrestrained liquid runs down lower cover 200 sides arrive the lower surface of lower cover 200 (first cap 210, second cap 220).Because outstanding wall 204 stops the liquid of the lower surface that arrives second cap 220, so liquid that can not entering substrate installation portion, can not be attached to circuit substrate 300.
Labyrinth part LS stops the liquid of crossing outstanding wall 204.The cooperative effect of labyrinth part LS and outstanding wall 204 and the liquid of the lower surface that arrives second cap 220 of stopping reliably, liquid that can not gets into the substrate installation portion, can not be attached to circuit substrate 300.
The lower surface of liquid runs down first cap 210 that arrives the lower surface of first cap 210 flows to second cap 220; But because the lower surface of first cap 210 is lower than the lower surface of second cap 220, so liquid can be parked in the border of first cap 210 and second cap 220.Therefore, liquid that can not gets into the lower surface of second cap 220, can not be attached to circuit substrate 300.
Because operator's unrestrained liquid that can not on sewing machine table 20 is attached to the circuit substrate of installing at lower cover 200 300 (control basal plate 310, power supply board 320), so the circuit of circuit substrate 300, circuit component can be because of liquid adheres to short circuit, corrosion.Therefore, circuit substrate 300 can normally move.The operator can only work on through the so simple processing of the outer surface of wiping lower cover 200.
The variation of partial alteration has been carried out in explanation to the embodiment of top explanation below.
1) protuberance 257 of heat transmission be positioned at the heating near the of part 315 get final product, 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.Because protuberance 257 contacts with the air of bigger area with lower cover 200 rear sides, the heat that therefore is delivered to lower cover 200 can the heat radiation effectively through the effect of protuberance 257.
2) shown in figure 15, the lower cover 200 of variation comprises framework 500 at the lower surface of second cap 220.The lower surface of framework 500 and second cap 220 is vertical and extend downwards.Circuit substrate 300 (control basal plate 310, power supply board 320) is installed on the front side of framework 500 through protuberance 501.Framework 500 has contact site 240 in its front side.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 and framework 500 and dispels the heat to its periphery.Substrate lid 400A covers circuit substrate 300.
Claims (8)
1. the lower cover of a Sewing machines is installed on the peristome that sewing machine table is provided with, and will cover from the bottom of the outstanding sewing machine main body of this peristome, 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, and lower surface is provided with outstanding wall to surround said substrate installation portion mode on every side in the said outside.
2. lower cover as claimed in claim 1 is characterized in that,
Said lower cover also comprises the substrate lid that opens and closes said substrate installation portion, the edge part of this substrate lid when this substrate lid is closed in the inboard of said outstanding wall near said outside lower surface.
3. lower cover as claimed in claim 1 is characterized in that,
Said sewing machine main body has the column of erectting towards the top of said sewing machine table; And from the top of this column and the horn of said sewing machine table almost parallel ground extension; Said lower cover comprises first cap of the cephalic par side that is positioned at said horn; And second cap that is positioned at a side of said column, said substrate installation portion and said outstanding wall are arranged at the lower surface of said second cap, and the lower surface of this second cap is positioned at the position of more leaning on the top than the lower surface of said first cap.
4. lower cover as claimed in claim 2 is characterized in that,
Said sewing machine main body has the column of erectting towards the top of said sewing machine table; And from the top of this column and the horn of said sewing machine table almost parallel ground extension; Said lower cover has first cap of the cephalic par side that is positioned at said horn; And second cap that is positioned at a side of said column, said substrate installation portion and said outstanding wall are arranged at the lower surface of said second cap, and the lower surface of this second cap is positioned at the position of more leaning on the top than the lower surface of said first cap.
5. like each described lower cover in the claim 1 to 4, it is characterized in that,
Said circuit substrate is so that the configuration plane of its circuit component mode parallel with said sewing machine table is installed on said substrate installation portion.
6. lower cover as claimed in claim 5 is characterized in that,
Said lower cover has contact site, and this contact site is arranged 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 this contact site is by having the metal of heat conductivity.
7. lower cover as claimed in claim 6 is characterized in that,
Said lower cover has protuberance, and this protuberance is arranged near the said contact site, is used to make the heat heat radiation that is delivered to this contact site.
8. a Sewing machines is characterized in that, has each described lower cover in the claim 1 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010220402A JP2012075450A (en) | 2010-09-30 | 2010-09-30 | Sewing machine under-cover and sewing machine |
| JP2010-220402 | 2010-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102443984A true CN102443984A (en) | 2012-05-09 |
Family
ID=46006901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103082921A Pending CN102443984A (en) | 2010-09-30 | 2011-09-29 | Lower cover of sewing machine and sewing machine thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012075450A (en) |
| CN (1) | CN102443984A (en) |
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 |
-
2010
- 2010-09-30 JP JP2010220402A patent/JP2012075450A/en active Pending
-
2011
- 2011-09-29 CN CN2011103082921A patent/CN102443984A/en active Pending
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 |
|---|---|
| JP2012075450A (en) | 2012-04-19 |
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Application publication date: 20120509 |