CN102443983A - Lower cover of sewing machine - Google Patents
Lower cover of sewing machine Download PDFInfo
- Publication number
- CN102443983A CN102443983A CN2011103082809A CN201110308280A CN102443983A CN 102443983 A CN102443983 A CN 102443983A CN 2011103082809 A CN2011103082809 A CN 2011103082809A CN 201110308280 A CN201110308280 A CN 201110308280A CN 102443983 A CN102443983 A CN 102443983A
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- Prior art keywords
- cap
- sewing machine
- lower cover
- handle
- machine table
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- Sewing Machines And Sewing (AREA)
Abstract
A lower cover of the invention comprises a first cover part and a second cover part, and is equipped to a sewing machine worktable. The lower surface of the second cover part is provided at a position which is higher than the lower surface of the first cover part. A handle supporting part is configured at inside part of the second cover part. The space below the second cover part is wider than the space below the first cover part. An operator can operate in a space which is wider than the space below the second cover part. Because the handle supporting part is configured at the inside part of the second cover part, operation by the operator is not hindered. A rotating shaft is configured in the second cover part which is higher than the first cover part. The rotating shaft is provided at a position which is higher than that of the prior-art lower cover.
Description
Technical field
The present invention relates to a kind of lower cover of bottom covering of the sewing machine main body that will give prominence to towards the sewing machine table below
Background technology
Sewing machines comprises presser feet and lowering or hoisting gear.Presser feet utilizes lowering or hoisting gear to go up and down.Sewing machines bag Sewing machines machine frame, L shaped handler, the depression bar of 1987 No. 101287 records of day disclosure special permission communique.Handler is arranged in the Sewing machines machine frame.The cephalic par of handler can support presser bar up and down.Presser feet is arranged at the bottom of presser bar.The Sewing machines machine frame holds linkage.Presser bar utilizes linkage to go up and down.
Sewing machines comprises operating body (presser feet handle) and food tray.Food tray is arranged at the bottom of Sewing machines machine frame.Food tray is the support operation body revolvably.Operating body is connected with linkage.The operator operates and drive link mechanism operating body.
A pair of feet (handle support portion) is arranged at the lower surface of food tray.Feet can support turning cylinder rotationally.Operating body is connected with turning cylinder.Feet, turning cylinder expose at the lower surface of food tray.When the operator carried out maintenance activity below sewing machine table, feet, turning cylinder can hinder operator's operation.
Summary of the invention
The object of the present invention is to provide the lower cover of Sewing machines of a kind of operator's of raising operating efficiency, the handle support portion that the portion's configuration within it of the lower cover of this Sewing machines is supported the presser feet handle revolvably.
The lower cover of the Sewing machines of technical scheme 1 covers the bottom of sewing machine main body, and sewing machine main body is positioned at the peristome of sewing machine table, and comprises: the column of on sewing machine table, erectting; The horn that extends abreast from the upper end of column and sewing machine table; And the presser feet that moves up at upper and lower, the lower cover of said Sewing machines comprises: first cap, and this first cap is positioned at the cephalic par side of horn; And second cap; This second cap is positioned at stud sides; When lower cover was installed on sewing machine table, the lower surface of first cap was positioned at the position lower than the lower surface of second cap, and the handle support portion is set in second cap; This handle support portion is supported the rotating shaft of the presser feet handle that the upper-lower position with presser feet switches, and on second cap, is formed with the hole that supplies rotating shaft to run through.In the lower cover of the Sewing machines of technical scheme 2, the handle support portion is a bearing.
Lower cover of the present invention comprises first cap and second cap, and is installed on sewing machine table.The lower surface of second cap is positioned at the position higher than the lower surface of first cap.The handle support portion is disposed at the inboard of second cap.The space of second cap below is wideer than the space of first cap below.The operator can carry out operation in the wide space below second cap.The handle support portion is disposed at the inboard of second cap, can not hinder operator's operation.Because rotating shaft is disposed at than in the second high cap of first cap, so rotating shaft is positioned at the higher position of lower cover than in the past.The space of second cap below is wideer.The handle support portion for example is bearing, supporting revolving shaft revolvably.
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.
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 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.
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.
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 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.Machining cloth can not be stuck in notch part 12 and can move do feeding well.
The operator carries out operation in the place ahead of Sewing machines.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.
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.
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.
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.Handle support portion 52 is bearings.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 revolvably.The handle support portion is not limited to bearing.Handle support portion supporting revolving shaft 51 revolvably gets final product.
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.
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.
Claims (2)
1. the lower cover of a Sewing machines covers the bottom of sewing machine main body, and said sewing machine main body is positioned at the peristome of sewing machine table, and comprises: the column of on sewing machine table, erectting; The horn that extends abreast from the upper end of said column and said sewing machine table; And at the presser feet that upper and lower moves up, it is characterized in that, comprising:
First cap, this first cap is positioned at the cephalic par side of said horn; And
Second cap, this second cap is positioned at said stud sides,
When said lower cover was installed on said sewing machine table, the lower surface of said first cap was positioned at the position lower than the lower surface of said second cap,
In said second cap, the handle support portion is set, this handle support portion is supported the rotating shaft of the presser feet handle that the upper-lower position with said presser feet switches,
On said second cap, be formed with the hole that supplies said rotating shaft to run through.
2. the lower cover of Sewing machines as claimed in claim 1 is characterized in that, said handle support portion is a bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-220674 | 2010-09-30 | ||
| JP2010220674A JP2012075478A (en) | 2010-09-30 | 2010-09-30 | Sewing machine under-cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102443983A true CN102443983A (en) | 2012-05-09 |
| CN102443983B CN102443983B (en) | 2016-01-13 |
Family
ID=46006900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110308280.9A Expired - Fee Related CN102443983B (en) | 2010-09-30 | 2011-09-29 | The lower cover of Sewing machines |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012075478A (en) |
| CN (1) | CN102443983B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6446221B2 (en) * | 2014-09-30 | 2018-12-26 | Juki株式会社 | sewing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101287A (en) * | 1985-10-28 | 1987-05-11 | ブラザー工業株式会社 | Cloth presser raising and falling apparatus of sewing machine |
| CN1239161A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| CN1239160A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| JP2008048884A (en) * | 2006-08-24 | 2008-03-06 | Juki Corp | Sewing machine for industrial use |
-
2010
- 2010-09-30 JP JP2010220674A patent/JP2012075478A/en active Pending
-
2011
- 2011-09-29 CN CN201110308280.9A patent/CN102443983B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101287A (en) * | 1985-10-28 | 1987-05-11 | ブラザー工業株式会社 | Cloth presser raising and falling apparatus of sewing machine |
| CN1239161A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| CN1239160A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| JP2008048884A (en) * | 2006-08-24 | 2008-03-06 | Juki Corp | Sewing machine for industrial use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102443983B (en) | 2016-01-13 |
| JP2012075478A (en) | 2012-04-19 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |