CN202466158U - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN202466158U CN202466158U CN2011205799718U CN201120579971U CN202466158U CN 202466158 U CN202466158 U CN 202466158U CN 2011205799718 U CN2011205799718 U CN 2011205799718U CN 201120579971 U CN201120579971 U CN 201120579971U CN 202466158 U CN202466158 U CN 202466158U
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- wall
- diapire
- lubricating oil
- fuel tank
- subtend
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Abstract
The utility model aims to provide a sewing machine. According to the sewing machine, lubricating oil which is attached to a rod member of a knee lifting mechanism and drips downwards can be received by using an oil tank; the oil tank comprises a cylindrical part which is erected upwards from a base on the upper side of a recess; the rod member for driving a presser foot ascending and descending mechanism is inserted into a cylindrical hole of the cylindrical part; the rod member is used for fixing a covering member covered on the cylindrical hole from the upper side; and when lubricating oil attached to the rod member falls off along the rod member in an upright post part of the sewing machine, the covering member can be used for preventing the lubricating oil from leaking out of the cylindrical hole.
Description
Technical field
The utility model relates to a kind of Sewing machines that is fixed in sewing machine main body and can accommodates the fuel tank of lubricating oil that comprises.
Background technology
Sewing machines comprises fuel tank.Fuel tank can be accommodated the lubricating oil that is used to supply to the inner mechanism of Sewing machines.Fuel tank is fixed in sewing machine main body.
For example the sewing function put down in writing of No. 4135136 communiques of Japanese Patent Laid is switched between the set-up positions and the dump position of toppling over from set-up positions.The fuel tank of Sewing machines comprises: oily carrier, and this oil carrier can be stored lubricating oil; And oil accumulates portion, this oil accumulate portion with Sewing machines when set-up positions switches to dump position, can take in the whole lubricating oil that is stored in oily carrier.Fuel tank is located at the below of pedestal part.The operator with Sewing machines when set-up positions switches to dump position, fuel tank can prevent that lubricating oil from leaking from fuel tank.
Sewing machines comprises presser feet, interlock such as this presser feet and the above-knee shadoof of being located at sewing machine main body below and moving up and down.Presser feet is pushed machining cloth.The presser feet up-down mechanism moves up and down presser feet.Sewing machines comprises the above-knee mechanism of carrying with above-knee shadoof and the binding of presser feet up-down mechanism in main body.The lubricating oil that supplies to each mechanism of Sewing machines is attached to the above-knee mechanism of carrying sometimes, and drips towards the below.Yet the fuel tank of the Sewing machines that above-mentioned communique is put down in writing can not utilize oily carrier to accept being attached to the above-knee lubricating oil of carrying mechanism and dripping towards the below.
The utility model content
The purpose of the utility model is to improve a kind of Sewing machines, and this sewing function utilizes fuel tank to accept being attached to the above-knee lubricating oil of carrying mechanism and dripping towards the below.
The Sewing machines of technical scheme 1 comprises: pedestal part; Fuel tank, this fuel tank is located at the below of above-mentioned pedestal part, can take in lubricating oil; Cloth presser, this cloth presser is pushed the machining cloth that is disposed on the above-mentioned pedestal part; The presser feet up-down mechanism, this presser feet up-down mechanism moves up and down above-mentioned cloth presser; And the above-knee mechanism of carrying, this above-knee mechanism of carrying has the bar member that extends and can move up and down along vertical, and above-mentioned presser feet up-down mechanism is driven; It is characterized in that; Comprise: through hole, this through hole is located at above-mentioned fuel tank, can supply the above-mentioned above-knee above-mentioned bar member of carrying mechanism to run through; And covering member, this covering member is located at the above-mentioned above-knee mechanism of carrying, and covers above-mentioned through hole from the top.Therefore, the sewing function utilizes lubricating oil that covering member prevents that each mechanism to Sewing machines is lubricated along the above-knee external leaks of mechanism from through hole towards fuel tank of carrying.
In the Sewing machines of technical scheme 2, above-mentioned fuel tank comprises the protuberance outstanding towards the top, and above-mentioned through hole and projected direction are formed at above-mentioned protuberance abreast, and above-mentioned covering member comprises: first covering part, and this first covering part can cover above-mentioned through hole; And second covering part, this second covering part is connected and can covers along the above-mentioned projected direction of above-mentioned protuberance the side complete cycle of above-mentioned protuberance with the periphery complete cycle of first covering part.Therefore, even if make above-kneely when carrying mechanism and driving, Sewing machines can prevent reliably that also the lubricating oil of fuel tank internal from leaking towards the outside from through hole.
In the Sewing machines of technical scheme 3,4, above-mentioned fuel tank comprises: periphery wall, and this periphery wall forms the peristome of the opening towards the top; Diapire, this diapire is connected with above-mentioned peristome relatively and with above-mentioned periphery wall; Subtend wall, this subtend wall are arranged between the inboard of above-mentioned periphery wall, above-mentioned peristome and the above-mentioned diapire and to leave the position of above-mentioned diapire relative with above-mentioned diapire; And hole portion; This hole portion makes the above-mentioned peristome side of above-mentioned subtend wall be communicated with above-mentioned diapire side; Above-mentioned periphery wall and above-mentioned subtend wall form the oily carrier that can accept the lubricating oil that falls from above-mentioned peristome, and above-mentioned periphery wall, above-mentioned subtend wall, above-mentioned diapire form the oily resettlement section that can reclaim the lubricating oil that above-mentioned oily carrier accepts from above-mentioned hole portion.That is to say that the lubricating oil of the mechanism that is used for lubricated Sewing machines can be taken in oily resettlement section.The oil carrier is accepted being used for the lubricated back lubricating oil that falls from Sewing machines inside.The logical via portion of the lubricating oil that the oil carrier is accepted lodges in oily resettlement section.When Sewing machines vibrated, the subtend wall energy prevented that lubricating oil from leaking towards the outside from peristome.Therefore, the sewing function prevents that oil leak from arriving the outside of fuel tank.
In the Sewing machines of technical scheme 5; The part of the above-mentioned periphery wall of above-mentioned oily resettlement section forms towards the recess of relative periphery wall side depression; Above-mentioned Sewing machines also comprises the recess upper wall, and this recess upper wall is connected with above-mentioned subtend wall, and court's direction identical with above-mentioned subtend wall extended; And expose from above-mentioned recess, above-mentioned protuberance is located at above-mentioned recess upper wall.Owing to pass the recess that the bar member of the through hole of protuberance passes recess upper wall below, therefore can not pass the inside of oily resettlement section.Therefore, the sewing function prevents that more reliably the lubricating oil that is contained in fuel tank internal from leaking towards the outside along the above-knee mechanism of carrying.
In the Sewing machines of technical scheme 6, above-mentioned protuberance projects to above-mentioned peristome from above-mentioned recess upper wall, and above-mentioned second covering part can cover the jag to above-mentioned protuberance from the above-mentioned recess upper wall of above-mentioned protuberance.Therefore, above-knee when carrying mechanism when driving, the scope that covering member covers protuberance becomes big.Therefore, the sewing function prevents that more reliably the lubricating oil that is contained in fuel tank internal from leaking towards the outside from through hole.
In the Sewing machines of technical scheme 7; Above-mentioned covering member forms: when above-mentioned bar member is positioned at the below of movable range; Above-mentioned second covering part covers the jag to above-mentioned protuberance from the above-mentioned recess upper wall of above-mentioned protuberance; When above-mentioned bar member was positioned at the top of above-mentioned movable range, the lower end of above-mentioned second covering part was positioned at the below of the above-mentioned jag of above-mentioned protuberance.Therefore, even if the bar member moves up and down, the lubricating oil that covering member also can prevent to fall along the bar member reliably from through hole towards the fuel tank external leaks.
Description of drawings
Fig. 1 is the front view of Sewing machines 1.
Fig. 2 is the longitudinal section of Sewing machines 1.
Fig. 3 is the stereogram of the driving mechanism of expression Sewing machines 1 inside.
Fig. 4 is the upward view of the pedestal part 21 of Sewing machines 1.
Fig. 5 is the stereogram of fuel tank 10.
Fig. 6 is the stereogram of fuel tank 10.
Fig. 7 is the plane of fuel tank 10.
Fig. 8 is that the II-II alignment of Fig. 7 is looked cutaway view.
Fig. 9 is that the III-III alignment of Fig. 7 is looked cutaway view.
Figure 10 is that the I-I alignment of Fig. 4 is looked cutaway view.
Figure 11 is the stereogram of tension force relieving mechanism 63 and presser feet up-down mechanism 64.
Figure 12 is the front section view of fuel tank 10 and bar member 98.
The specific embodiment
Describe with reference to the embodiment of accompanying drawing the utility model.The paper upside of Fig. 1, downside, right side, left side, paper face side, rear side are respectively upside, downside, right side, left side, front side, the rear sides of Sewing machines 1.
With reference to Fig. 1, Fig. 2, the overall structure of Sewing machines 1 is described.Sewing machines 1 comprises pedestal part 21, uprights 22, horn portion 23.Pedestal part 21 is located on the workbench (not shown).Uprights 22 is extended towards the top from the right-hand member of pedestal part 21.Horn portion 23 extends towards left from the upper end of uprights 22, and relative with pedestal part 21.
With reference to Fig. 3, the driving mechanism of Sewing machines 1 is described.Sewing machines 1 comprises rotating shaft 31, links rotating shaft 33, lower rotary shaft 36 etc.Last rotating shaft 31 is extended along left and right directions in horn portion 23 (with reference to Fig. 2).Linking rotating shaft 33 extends in uprights 22 (with reference to Fig. 2) along the vertical direction.Lower rotary shaft 36 extends along left and right directions in pedestal part 21 (with reference to Fig. 2).
Motor of sewing machine (not shown) is located at rotating shaft 31 right-hand members.Last rotating shaft 31 is rotated along with the driving of motor of sewing machine.Columnar bearing portion 47 partly supports rotating shaft 31 on this in the left and right directions substantial middle of last rotating shaft 31.Bearing portion 47 is taken into lubricating oil from the hole of being located at its front side.After state the second supply road 82 and be connected with the above-mentioned hole of bearing portion 47.Last rotating shaft 31 is at the right-hand gear 32 that comprises umbrella of bearing portion 47.
Link the gear 34 that rotating shaft 33 comprises umbrella in the top.Gear 34 and gear 32 engagements.Linking rotating shaft 33 rotates along with the rotation of last rotating shaft 31.Link rotating shaft 33 comprises umbrella in its lower end gear 35.The rotary driving force that binding rotating shaft 33 will be gone up rotating shaft 31 is delivered to lower rotary shaft 36.
Lower rotary shaft 36 comprises the gear 37 of umbrella at its right-hand member.Gear 37 and gear 35 engagements.Lower rotary shaft 36 rotates along with the rotation that links rotating shaft 33.Lower rotary shaft 36 comprises rotating shuttle 46 (with reference to Fig. 2) at its left end.Rotating shuttle 46 synchronously rotates with moving up and down of eedle 42 along with the rotation of lower rotary shaft 36.
The second supply road 82 in pedestal part 21 from the machine frame of spring bearing portion 51 towards right-hand extension, and the upside of fuel tank 10 towards above crooked.Extend towards the top in uprights 22 (with reference to Fig. 2) on the second supply road 82, and link to each other with the hole of bearing portion 47 front sides.Last rotating shaft 31 has hole (not shown) with the relative position, hole of being located at bearing portion 47 front sides.This hole is communicated with the cross-drilled holes (not shown) that are formed at rotating shaft 31 inside along axis direction.Last rotating shaft 31 has the hole that is communicated with above-mentioned cross-drilled hole near the position of fixed gear 32.The lubricating oil that plunger displacement pump is seen off flows in the bearing portion 47 via the second supply road 82.The lubricating oil that flows into bearing portion 47 via the second supply road 82 arrives gear 32 via near the hole the hole relative with the hole of bearing portion 47, cross-drilled hole, the gear.The heating that friction when the lubricating oil that supplies to gear 32 can suppress to rotate with gear 34 because of gear 32 produces, thus sintering phenomenon can be prevented.
When supply had the gear 32 of lubricating oil to rotate with gear 34, lubricating oil became vaporific sometimes and disperses in uprights 22.Partition 15 can be blocked vaporific lubricating oil, and lubricating oil can not enter in the horn portion 23.
With reference to Fig. 5~Fig. 9, fuel tank 10 is described.Fuel tank 10 is formed by translucent resin, and it is fixed in the pedestal part 21 of uprights 22 belows.
Diapire 102 comprises first diapire 1021, second diapire 1022.First diapire 1021 is formed in the whole zone of fore-and-aft direction of pedestal part 21, in the form of a substantially rectangular.Second diapire 1022 is outstanding towards left from the left side rear end part of first diapire 1021.
The fore-and-aft direction substantial middle of first diapire, 1021 left ends partly is than the recess 1213 of other part towards right-hand member side depression.First diapire 1021 has diapire recess 1212 at the lower surface of recess 1213 rear sides of first diapire 1021.Diapire recess 1212 from first diapire, 1021 lower surfaces towards the top rectangular-shaped depression.Magnet (not shown) embeds diapire recess 1212 from the outside of fuel tank 10.Magnet with after state the iron powder that contains in the lubricating oil in the lubricating oil resettlement section 12 etc. and be adsorbed onto near the diapire recess 1212.The front-end and back-end, right side of first diapire 1021 are the shape that does not have the angle.
Periphery wall 101 comprises sidewall 1011~1016 etc.Sidewall 1011 is connected with first diapire, 1021 right-hand members.Sidewall 1012 is connected with first diapire, 1021 front ends.Sidewall 1013 is connected with first diapire, 1021 left ends.Sidewall 1014 is connected with first diapire, 1021 rear ends, second diapire, 1022 rear ends.Sidewall 1015 is connected with second diapire, 1022 front ends.Sidewall 1016 is connected with second diapire, 1022 left ends.The height of sidewall 1011,1012,1014 is roughly the same.The height of sidewall 1013,1015,1016 is roughly the same, and be sidewall 1011,1012,1014 height roughly 1/2nd.Sidewall 1013 extends towards the top along the left end of first diapire 1021.That is to say that the part of sidewall 1013 is towards relative sidewall 1011 sides depression, thus formation recess 1213.As shown in Figure 6, the upper end of the left end portion of sidewall 1012 is outstanding towards left from the pars intermedia of short transverse.The part with sidewall 1014 connects of sidewall 1016 forms the height identical with sidewall 1014.
The first subtend wall 113 has accepting hole portion 1131 than the fore-and-aft direction forward side of central authorities and than left and right directions central authorities position on the right side.Accepting hole portion 1131 is positioned at the position of leaving periphery wall 101.The first subtend wall 113 is run through along the vertical direction in accepting hole portion 1131.The first subtend wall 113 comprises from sidewall 1012,1014 towards the accepting hole portion 1131 sides first oblique rake 1132 of square neck down.The lubricating oil that first rake 1132 will fall to the upper surface of the first subtend wall 113 guides towards accepting hole portion 1131.The first subtend wall 113 has the slot part 1133 along accepting hole portion 1131 around accepting hole portion 1131.Slot part 1133 is the grooves that are provided with towards the below from the upper surface of the first subtend wall 113.When lubricating oil moved towards first diapire 1021 through accepting hole portion 1131, slot part 1133 was removed foreign matters such as the dust that contains in the lubricating oil, the end of a thread.The operator can utilize slot part 1133 Laian County's fixed filters (not shown).
First rake 1132 and accepting hole portion 1131 of the upper surface of the first subtend wall 113 of the lubricating oil that supplies to the Sewing machines drive division through being located at the lubricating oil carrier, and lodge in lubricating oil resettlement section 12.That is, the lubricating oil that lubricating oil carrier 11 is accepted is reclaimed from accepting hole portion 1131 in lubricating oil resettlement section 12.
The sidewall 1012 that forms lubricating oil resettlement section 12 has the front surface hole 1211 that sidewall 1012 is run through in the part that is connected with sidewall 1013.When from the outside lubricating oil being supplied to fuel tank 10, the operator switches to dump position with Sewing machines 1, and the flexible pipe (not shown) that lubricating oil is supplied with usefulness inserts front surface hole 1211 and comes supplying lubricating oil.
Rake 1221 is formed between the right side front end and sidewall 1015 of second diapire 1022.When the operator switched to dump position with Sewing machines 1, rake 1221 can prevent fuel tank 10 and knee operating mechanism 99 (with reference to Fig. 2) interference.
As stated, because fuel tank 10 utilizes lubricating oil carrier 11 to cover the downside of uprights 22, therefore can utilize lubricating oil carrier 11 to accept the lubricating oil that supplies to gear 32.Therefore, fuel tank 10 can reclaim the lubricating oil that supplies to gear 32 reliably.The lubricating oil that fuel tank 10 can will lodge on the first subtend wall 113, the second subtend wall 114 is accommodated lubricating oil resettlement section 12 via accepting hole portion 1131.When Sewing machines 1 vibration, be contained in the lubricating oil vibration in the lubricating oil resettlement section 12.But, because fuel tank 10 comprises the first subtend wall 113, the second subtend wall 114, therefore, even if the lubricating oil vibration, lubricating oil can not leak into the outside of lubricating oil resettlement section 12 yet.
With reference to Figure 11, presser feet up-down mechanism 64 is described.Presser feet up-down mechanism 64 comprises shadoof 74 on crank member 71, axle 72, fastening member 73, the presser feet.Fastening member 73 is located at the above-below direction substantial middle part of presser bar 44.Fastening member 73 is the rod components that extend along fore-and-aft direction.Presser bar 44 is fixed in by screw in the front side of fastening member 73.
Crank member 71 is the sheet material that bends to L word shape.One end (left part) of crank member 71 is disposed at the below of fastening member 73.Crank member 71 is the right-hand extension of court from the left part, and is crooked squarely towards the top then, and extends to the other end (upper end) towards the top.Axle 72 sweeps with crank member 71 support to and can swing.Crank member 71 comprises shadoof 74 on the presser feet at its rear side.The operator uses shadoof 74 on the presser feet directly when presser feet 48 is moved up and down.
With reference to Fig. 2, Figure 11, Figure 12, the above-knee mechanism of carrying is described.Shown in figure 11, the above-knee mechanism of carrying mainly comprises connecting rod 62, crank member 65, bar member 98.One end of connecting rod 62 is connected with the upper end of crank member 71, and the right-hand extension of court also runs through partition 15.The other end of connecting rod 62 is connected with the crank member 65 of being located at partition 15 right sides.Crank member 65 is the sheet material that bends to L word shape, extend towards the top along the right surface of partition 15, and court is right-hand crooked squarely in the upper end.Axle 66 sweeps with crank member 65 support to and can swing.Connecting rod 62 is connected with the bottom of the part of extending towards the below of crank member 65.Crank member 65 is connected with the upper end of bar member 98 in its right part towards the part of right-hand extension, along with moving up and down of bar member 98 can be that swing at the center with axle 66.
As shown in Figure 2, bar member 98 extends in uprights 22 along the vertical direction.The lower end of bar member 98 is connected with the knee operating mechanism 99 of fuel tank 10 belows.Knee operating mechanism 99 comprises that the shaft supporting part (not shown), axle 991, the quilt axle 991 that are fixed in lower cover (not shown) support to the operating portion 992 that can rotate.Bottom is installed on workbench, when Sewing machines was placed workbench in 1 year, and the below of covering base portion 21.Operating portion 992 has holding section (not shown) at its front end.When Sewing machines was placed workbench in 1 year, the holding section can engage with the lower end of bar member 98.Operating portion 992 is connected with the operable knee action bars 97 of operator (with reference to Fig. 1).The operator uses knee operation knee action bars 97.When the operator operated knee action bars 97, operating portion 992 rotated.When operating portion 992 rotated, the holding section moved up and down bar member 98.
Shown in figure 12, bar member 98 is inserted below above-below direction central authorities and is led to the cylinder hole 601 in fuel tank 10.Bar member 98 makes the covering member 981 that covers cylindrical portion 60 from the top fixing.Covering member 981 for example is that rubber etc. is resinous.Covering member 981 comprises: first covering part 9811 that can cover cylinder hole 601 from the upper surface side of cylindrical portion 60; And be connected with the periphery complete cycle of first covering part 9811, can cover second covering part 9812 of the side complete cycle of cylindrical portion 60 along the projected direction of cylindrical portion 60.The lubricating oil that covering member 981 can prevent in uprights 22, to be attached to bar member 98 falls and leaks into fuel tank 10 outsides from cylinder hole 601 along bar member 98.
When bar member 98 was positioned at the below of movable range, second covering part 9812 covered the side complete cycle of cylindrical portion 60.When bar member 98 was positioned at the top of movable range, the lower end of second covering part 9812 was positioned at the below of the upper end of cylindrical portion 60.Therefore, even if utilize knee operating mechanism 99 that bar member 98 is moved up and down, covering member 981 also can prevent to leak into fuel tank 10 outsides along the lubricating oil that bar member 98 falls from cylinder hole 601.
With reference to Figure 11, Figure 12, the driving principle of presser feet up-down mechanism 64 is described.When making presser feet 48 when move the below, the operator leaves knee action bars 97 (with reference to Fig. 1) with knee.When the operator left knee action bars 97 with knee, operating portion 992 rotated towards the main clockwise direction of looking, and move towards the below holding section (not shown) of operating portion 992 front ends.The bar member that engages with the holding section 98 moves towards the below, and to be the center with axle 66 look the clockwise direction swing towards main to crank member 65.Along with the swing of crank member 65 towards this direction, connecting rod 62 moves towards left, and to be the center with axle 72 look swing counterclockwise towards main to the crank member 71 of presser feet up-down mechanism 64.Move towards the below left part that is disposed at the crank member 71 of fastening member 73 belows.Under the effect of the application of force of spring 45, fastening member 73 and presser bar 44 move towards the below.Therefore, the presser feet that is connected with presser bar 44 48 moves towards the below.
When making presser feet 48 when move the top, the operator pushes knee action bars 97 with knee.When the operator pushed knee action bars 97 with knee, operating portion 992 rotated towards main looking counterclockwise, and move towards the top holding section, and bar member 98 moves towards the top.Then, crank member 65 is that swing towards main looking counterclockwise at the center with axle 66.Along with the swing of crank member 65, connecting rod 62 moves towards right-hand, and the crank member 71 of presser feet up-down mechanism 64 is that swing towards the main clockwise direction of looking at the center with axle 72.Move towards the top left part of crank member 71.Along with moving of crank member 71, fastening member 73 overcomes the application of force of spring 45 with presser bar 44 and moves towards the top.Therefore, the presser feet that is connected with presser bar 44 48 moves towards the top.
With reference to Figure 11, tension force relieving mechanism 63 is described.Tension force relieving mechanism 63 comprises thread tension releasing disc 75.Thread tension releasing disc 75 is the tabular components that extend along the vertical direction, can be that axle is swung with the lower end.Thread tension releasing disc 75 is connected with tension disk (not shown).Look when counterclockwise swinging towards main when thread tension releasing disc 75, can drive tension disk, thereby upper thread is applied tension force.When thread tension releasing disc 75 is looked the clockwise direction swing towards the master, can drive tension disk, thereby relax upper thread.The left end of wire rod 61 is connected with the upper end of thread tension releasing disc 75.Wire rod 61 runs through partition 15 towards right-hand extension.Wire rod 61 is inserted on the right side of partition 15 and is led in pipe 67.Wire rod 61 passes pipe 67 inside and is connected with solenoid 70 (with reference to Fig. 3).
Driving principle to tension force relieving mechanism 63 describes.When upper thread was applied tension force, the operator operated the starting switch (not shown) of making usefulness.Solenoid 70 (with reference to Fig. 3) relaxes wire rod 61 based on operation.Consequently, thread tension releasing disc 75 is swung towards main looking counterclockwise, drives tension disk, thereby upper thread is applied tension force.When upper thread was relaxed, the operator operated to different direction when upper thread is applied tension force the starting switch of making usefulness.Solenoid 70 is based on operation tension wire rod 61.Consequently, thread tension releasing disc 75 is swung towards the main clockwise direction of looking, and drives tension disk, thereby relaxes upper thread.
As shown in Figure 2, wire rod 61 and connecting rod 62 are arranged to all the time slave arm 23 front square neck are oblique down towards uprights 22 sides.The inclination angle is for example from the horizontal by 1~3 degree.
The lubricating oil that supplies to gear 32 (with reference to Fig. 3) becomes vaporific along with the rotation of gear 32, and disperses in uprights 22.Vaporific lubricating oil is attached in uprights 22 on wire rod 61 and the connecting rod 62 sometimes.Square neck is oblique down towards uprights 22 sides for the front of wire rod 61 and connecting rod 62 slave arms 23.Therefore, the lubricating oil that is attached to wire rod 61 and connecting rod 62 moves in uprights 22 along wire rod 61 and connecting rod 62 under the effect of gravity.The lubricating oil that is attached to wire rod 61 and connecting rod 62 can not arrive the front of horn portion 23.In Sewing machines 1, because lubricating oil can not lodge in the front end of horn portion 23, the front end that therefore can prevent lubricating oil slave arm 23 falls and pollutes sewn object and suture.In Sewing machines 1,, therefore need not to be provided with the recovering mechanism (pump etc.) that the lubricating oil that lodges in horn portion 23 front ends is reclaimed because lubricating oil can not lodge in the front end of horn portion 23.
Below the lubricating oil court that wire rod 61 and connecting rod 62 move in uprights 22, drip.Being located at 11 pairs of lubricating oil that fall of lubricating oil carrier of the fuel tank 10 of uprights 22 belows accepts.The lubricating oil that lubricating oil carrier 11 is accepted falls towards lubricating oil resettlement section 12 through accepting hole portion 1131.Lubricating oil can be accommodated in lubricating oil resettlement section 12.The lubricating oil that lodges in lubricating oil resettlement section 12 is via the plunger displacement pump (not shown) in the 81 inflow bearing portions 51 of the first supply road.Plunger displacement pump is seen lubricating oil off towards gear 32 (with reference to Fig. 3) once more via the second supply road 82.Sewing machines 1 can utilize it as the lubricating oil that supplies to gear 32 once more after the lubricating oil that utilizes 10 pairs of fuel tanks to be attached to wire rod 61 and connecting rod 62 reclaims again.
As described above said; Sewing machines 1 is provided with cylinder hole 601 on cylindrical portion 60; Above-mentioned cylindrical portion 60 is the upright base portion of exposing from the recess 1213 of fuel tank 10 112 of being located at towards the top, and the bar member 98 that above-mentioned cylinder hole 601 supplies to drive presser feet up-down mechanism 64 is inserted logical.Bar member 98 makes the covering member 981 that covers cylinder hole 601 from the top fixing.Therefore, in Sewing machines 1, the lubricating oil that can prevent to be attached in the uprights 22 bar member 98 leaks into fuel tank 10 outsides from cylinder hole 601 when bar member 98 falls.Because the bar member 98 that passes cylinder hole 601 passes the recess 1213 of base portion 112 belows, therefore can not pass the inside of lubricating oil resettlement section 12.Therefore, Sewing machines 1 can prevent more reliably that the lubricating oil that are contained in fuel tank 10 inside from leaking towards outside along bar member 98.
The utility model also can carry out various changes except that above-mentioned embodiment.For example, fuel tank 10 also can not comprise cylindrical portion 60.At this moment, 10 need of fuel tank directly are provided with on base portion 112 and can supply bar member 98 slotting logical holes to get final product.At this moment, 981 of covering members being located at bar member 98 need to form the shapes that can cover this hole from the top and get final product.For example, covering member 981 also can form the taper shape that the summit is positioned at the top.If covering member 981 is formed by for example soft rubber, then when bar member 98 moved up and down, the lower end of covering member 981 can contact with base portion 112 around through hole all the time, is comparatively desirable therefore.Covering member 981 can adopt the structure that only covers cylindrical portion 60 upper ends.Second covering part 9812 of covering member 981 also can not cover the side complete cycle of cylindrical portion 60 and only can cover the part of the upside of cylindrical portion 60.
The upper end of cylindrical portion 60 also can be between case peristome 103 and base portion 112.
The shape of fuel tank 10 is not limited to the example of above-mentioned embodiment, variable other arbitrary shape that more can store lubricating oil.For example, fuel tank 10 can not comprise the first subtend wall 113, the second subtend wall 114 yet between peristome 103 and diapire 102.Fuel tank 10 also can not comprise second diapire 1022.At this moment, for example fuel tank 10 comprises: the diapire of essentially rectangular; And be connected and form the periphery wall of the peristome of opening towards the top with the outer peripheral edges of this diapire.As long as fuel tank 10 has the through hole that can supply bar member 98 to run through at diapire, bar member 98 comprises that the covering member that covers this through hole from the top gets final product.Fuel tank 10 also can comprise the protuberance of likewise giving prominence to from diapire with the cylindrical portion 60 of above-mentioned embodiment, and the projected direction of this through hole and protuberance forms abreast.At this moment, covering member is identical with the covering member 981 of above-mentioned embodiment, as long as formed with second covering part 9812 that can cover the side complete cycle of protuberance by first covering part 9811 that covers through hole.
Claims (7)
1. Sewing machines comprises:
Pedestal part (21);
Fuel tank (10), this fuel tank is located at the below of said pedestal part, can take in lubricating oil;
Cloth presser (48), this cloth presser is pushed the machining cloth that is disposed on the said pedestal part;
Presser feet up-down mechanism (64), this presser feet up-down mechanism moves up and down said cloth presser; And
The above-knee mechanism (62,65,98) of carrying, this above-knee mechanism of carrying has the bar member (98) that extends and can move up and down along vertical, and said presser feet up-down mechanism is driven,
It is characterized in that, comprising:
Through hole (601), this through hole is located at said fuel tank, can supply the said above-knee said bar member of carrying mechanism to run through; And
Covering member (981), this covering member are located at said bar member, cover said through hole from the top.
2. Sewing machines as claimed in claim 1 is characterized in that,
Said fuel tank comprises the protuberance (60) outstanding towards the top,
Said through hole and projected direction are formed at said protuberance abreast,
Said covering member comprises: first covering part (9811), and this first covering part can cover said through hole; And second covering part (9812), this second covering part is connected and can covers along the said projected direction of said protuberance the side complete cycle of said protuberance with the periphery complete cycle of said first covering part.
3. Sewing machines as claimed in claim 1 is characterized in that, said fuel tank comprises:
Periphery wall (101), this periphery wall forms the peristome (103) of the opening towards the top;
Diapire (102), this diapire is connected with said peristome relatively and with said periphery wall;
Subtend wall (113), this subtend wall are arranged between the inboard of said periphery wall, said peristome and the said diapire and to leave the position of said diapire relative with said diapire; And
Hole portion (1131), this hole portion make the said peristome side of said subtend wall be communicated with said diapire side,
Said periphery wall and said subtend wall form the oily carrier (11) that can accept the lubricating oil that falls from said peristome,
Said periphery wall, said subtend wall, said diapire form the oily resettlement section (12) that can reclaim the lubricating oil that said oily carrier accepts from said hole portion.
4. Sewing machines as claimed in claim 2 is characterized in that, said fuel tank comprises:
Periphery wall (101), this periphery wall forms the peristome (103) of the opening towards the top;
Diapire (102);
Subtend wall (113), this subtend wall are arranged between the inboard of said periphery wall, said peristome and the said diapire and to leave the position of said diapire relative with said diapire; And
Hole portion (1131), this hole portion make the said peristome side of said subtend wall be communicated with said diapire side,
Said periphery wall and said subtend wall form the oily carrier (11) that can accept the lubricating oil that falls from said peristome,
Said periphery wall, said subtend wall, said diapire form the oily resettlement section (12) that can reclaim the lubricating oil that said oily carrier accepts from said hole portion.
5. Sewing machines as claimed in claim 4 is characterized in that,
The part of the said periphery wall of said oily resettlement section forms towards the recess (1213) of relative periphery wall side depression,
Said Sewing machines also comprises recess upper wall (112), and this recess upper wall is connected with said subtend wall, and court's direction identical with said subtend wall extended, and exposes from said recess,
Said protuberance is located at said recess upper wall.
6. Sewing machines as claimed in claim 5 is characterized in that,
Said protuberance projects to said peristome from said recess upper wall,
Said second covering part can cover the jag to said protuberance from the said recess upper wall of said protuberance.
7. Sewing machines as claimed in claim 6 is characterized in that,
Said covering member forms: when said bar member was positioned at the below of movable range, said second covering part covered the jag to said protuberance from the said recess upper wall of said protuberance,
When said bar member was positioned at the top of said movable range, the lower end of said second covering part was positioned at the below of the said jag of said protuberance.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-289458 | 2010-12-27 | ||
JP2010289458A JP2012135419A (en) | 2010-12-27 | 2010-12-27 | Sewing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202466158U true CN202466158U (en) | 2012-10-03 |
Family
ID=46673394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011205799718U Expired - Lifetime CN202466158U (en) | 2010-12-27 | 2011-12-26 | Sewing machine |
Country Status (2)
Country | Link |
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JP (1) | JP2012135419A (en) |
CN (1) | CN202466158U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106456443A (en) * | 2014-05-02 | 2017-02-22 | 株式会社Jms | Drug container connector and male member cover |
-
2010
- 2010-12-27 JP JP2010289458A patent/JP2012135419A/en active Pending
-
2011
- 2011-12-26 CN CN2011205799718U patent/CN202466158U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106456443A (en) * | 2014-05-02 | 2017-02-22 | 株式会社Jms | Drug container connector and male member cover |
CN106456443B (en) * | 2014-05-02 | 2020-03-06 | 株式会社Jms | Connector for medical container and cover for male member |
Also Published As
Publication number | Publication date |
---|---|
JP2012135419A (en) | 2012-07-19 |
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