CN208087901U - Oil supply mechanism, oil vessel and the sewing machine of sewing machine - Google Patents

Abstract

The utility model provides oil supply mechanism, oil vessel and the sewing machine for the sewing machine that can prevent lubricating oil from being leaked from inlet.Oil supply mechanism has oil vessel and feed mechanism.Oil vessel is located at the lower section for the opening portion being open in the upper surface in engine base portion, and the top of oil vessel opens.Fuel feeding object is located at the top of opening portion.The lubricating oil that feed mechanism is supplied to fuel feeding object drips via opening portion to oil vessel.Oil supply mechanism is equipped with inlet and opposed member.Opposed member has opposite face.Opposite face and the inlet face to oil vessel make-up oil.The surface area of opposite face is more than the opening area of inlet.Opposed member is fallen along column sections to oil vessel after being blocked in driving mechanism fuel feeding and the pasta vibrated in the driving along with sewing machine splashes and flies to the oil droplet of inlet.Opposed member protrudes upward from the second bottom wall of oil vessel.Therefore, the oil droplet to splash in pasta splashes without going past between opposed member and pasta to inlet.

Description

Oil supply mechanism, oil vessel and the sewing machine of sewing machine

Technical field

The utility model is related to the oil supply mechanisms, oil vessel and sewing machine to sewing machine fuel feeding.

Background technology

The sewing machine of Japanese Unexamined Patent Publication No. 228784 bulletins in 2008 has fuel tank, and the fuel tank is for storing to driving machine The oil of the lubrication of structure supply.Fuel tank is equipped in front surface lower part for injecting oil into the inlet in box main body.Inlet with Inclined injection stream is connected rearwardly and upwardly in box main body.Injection stream guides oil to the top of box main body.Box main body There is filter on top.In fuel feeding, when sewing machine is toppled over and box main body rolls oblique backward, inlet is upward.Operation Person removes lid from inlet, and oil is injected from inlet.Oil flows through injection stream from inlet, and storage is by filtering in box main body Oil after device.The full amount position of box main body will not be injected back into mouth in the lower section of filter the oil when sewing machine erects. Since sewing machine is vibrated in driving, the pasta of the oil in box main body can vibrate sometimes.When the pasta of the oil in box main body When vibration, oil is likely to enter injection stream.Since injection stream is skewed, the oily to injection of injection stream is entered Mouth flowing.The lid of the inlet unloaded when operator forgets mounted on fuel feeding and lead to inlet in the open state, oil It is possible that from inlet to the External leakage of fuel tank.

Utility model content

The purpose of this utility model is to provide can prevent sewing machine that lubricating oil leaks from inlet oil supply mechanism, Oil vessel and sewing machine.

The oil supply mechanism of the sewing machine of technical solution 1 has：Oil vessel is set to the engine base portion of sewing machine and is accommodated with profit Lubricating oil；And feed mechanism, the lubricating oil for being used to be accommodated in the oil vessel are supplied to fuel feeding object, the sewing machine Oil supply mechanism be characterized in that, the oil vessel be located at the engine base portion upper surface be open opening portion lower section, and And the top of the oil vessel opens, the fuel feeding object is located at the top of the opening portion, and the feed mechanism is supplied to The lubricating oil of the fuel feeding object drips via the opening portion to the oil vessel, and the oil supply mechanism is equipped with：Note Entrance, on the lower and the position of the pasta than being accommodated in the lubricating oil in the oil vessel is against the top than the opening portion Position is set to the sewing machine, and by the inside and outside connection of the sewing machine；And opposed member, with opposite face, The opposite face in the private side of the sewing machine and is in the underface position than the opening portion for the inlet The position for resting against the nearly inlet is opposite with the inlet, on the direction orthogonal with the opening direction of the inlet, The length of the opposite face is more than the size of the inlet.The pasta of lubricating oil in oil vessel can vibrate.It is supplied to fuel feeding The lubricating oil of object becomes oil droplet drippage in pasta by opening portion.Opposed member prevents the pasta in vibration from splashing and flying to The oil droplet of inlet reaches inlet.It therefore, even if can if when sewing machine drives, inlet is the state oil supply mechanism opened Enough prevent External leakage of the lubricating oil from inlet to sewing machine.

In the oil supply mechanism of the sewing machine of technical solution 2, can also be, under the opposite face of the opposed member End is located at the amount of the bottom line needed for driving of the amount of the lubricating oil than being accommodated in the oil vessel for the sewing machine i.e. The position of the position of pasta when lower limit amount on the lower.The opposite face of opposed member is centainly dipped in lubricating oil.That is, in opposed member Gap is not present between lower end and pasta.The oil droplet to drip via opening portion will not pass through opposed member even if pasta splashes Between lower end and pasta, it will not splash to inlet.Therefore, it even if inlet is the state opened when sewing machine drives, supplies Oil machine structure can also further prevent External leakage of the lubricating oil from inlet to sewing machine.

In the oil supply mechanism of the sewing machine of technical solution 3, can also be that the opposed member is from the bottom of the oil vessel Wall protrudes upward.The opposite face of opposed member is centainly dipped in lubricating oil.That is, being not present between opposed member lower end and pasta Gap.The oil droplet to drip via opening portion will not pass through between opposed member lower end and pasta even if pasta splashes, will not It splashes to inlet.Therefore, can further prevent if even if inlet is the state oil supply mechanism opened when sewing machine drives Only External leakage of the lubricating oil from inlet to sewing machine.

In the oil supply mechanism of the sewing machine of technical solution 4~6, can also be that the sewing machine can be in erected state Switch between tilt state, which is that the column sections of setting are erect from the position of the opening portion in the engine base portion The state vertically extended, the tilt state be the column sections relative to the erected state to the inlet phase The state that anti-direction is toppled over can note lubricating oil via the inlet when the sewing machine is the tilt state Enter the oil vessel, the upper end of the opposite face of the opposed member connect the inside lateral margin of the inlet with straight line The obtained imaginary line of the inside side edge part of portion and the opening portion intersects.Will be lubricating oil is injected into when oil vessel, sewing machine Operator make sewing machine become tilt state, and by injection with nozzle be inserted into inlet.The lubricating oil that nozzle tip sprays touches To opposite face, and along oppositely facing being flowed in oil vessel.Since the upper-end part of driving of opposite face is between inlet and opening portion, because This lubricating oil is bound to encounter opposite face.Even if the impetus for the lubricating oil that nozzle tip sprays is powerful, lubricating oil will not be crossed Opposite face and fly to opening portion.Therefore, the lubricating oil injected from inlet can be reliably accommodated in oil vessel by oil supply mechanism.

In the oil supply mechanism of the sewing machine of technical solution 7, can also be that the oil vessel is fixed on the engine base portion, The inlet is opened in the side wall in the engine base portion above the oil vessel.With the side that inlet is set to oil vessel The case where compare, by by inlet be set to engine base portion side wall, can make inlet be located at upward far from completely measure when oil The position of face position.Oil droplet is difficult to reach the height of inlet even if pasta splashes.Therefore, even if when sewing machine drives Inlet is the state opened, and oil supply mechanism can also prevent External leakage of the lubricating oil from inlet to sewing machine.

The oil vessel of the sewing machine of technical solution 8 is set to the engine base portion of sewing machine and is accommodated with lubricating oil, which is characterized in that The oil vessel is located at the lower section for the opening portion being open in the upper surface in the engine base portion, and the top of the oil vessel is opened It puts, fuel feeding object is located at the top of the opening portion, and the lubricating oil for being supplied to the fuel feeding object is opened via described Oral area drips to the oil vessel, the oil vessel be equipped with opposed member, the opposed member have opposite face, the opposite face relative to On the lower and the position of the pasta of the lubricating oil than being accommodated in oil vessel position against the top is set than the opening portion For the inlet of the sewing machine, the sewing machine private side and be to be leaned in the following position directly than the opening portion The position of the nearly inlet is opposite with the inlet, and the surface area of the opposite face is more than the opening face of the inlet Product.Sewing machine can be vibrated in driving, and the pasta of the lubricating oil in oil vessel is caused to vibrate.It is supplied to the lubrication of fuel feeding object Oil becomes oil droplet drippage in pasta by opening portion.Opposed member prevents the pasta in vibration from splashing and flies to the oil droplet of inlet Reach inlet.Therefore, though when sewing machine drives inlet be open state oil vessel if can prevent lubricating oil from External leakage of the inlet to sewing machine.

It in the oil vessel of the sewing machine of technical solution 9, can also be the lower end of the opposite face of the opposed member Portion be located at than be accommodated in the oil vessel lubricating oil amount be the sewing machine driving needed for bottom line amount i.e. under The position of the position of pasta when limitation on the lower.The opposite face of opposed member is centainly in the state for being dipped in lubricating oil.That is, Gap is not present between opposed member lower end and pasta.The oil droplet to drip via opening portion will not pass through even if pasta splashes Between opposed member lower end and pasta, it will not splash to inlet.Therefore, even if inlet is to open when sewing machine drives State, oil vessel can also further prevent External leakage of the lubricating oil from inlet to sewing machine.

In the oil vessel of the sewing machine of technical solution 10, can also be that the opposed member is from the bottom of the oil vessel Wall protrudes upward.The opposite face of opposed member is centainly dipped in lubricating oil.That is, being not present between opposed member lower end and pasta Gap.The oil droplet to drip via opening portion will not pass through between opposed member lower end and pasta even if pasta splashes, will not It splashes to inlet.Therefore, it can be further prevented if even if inlet is the state oil vessel opened when sewing machine drives External leakage of the lubricating oil from inlet to sewing machine.

In the oil vessel of the sewing machine of technical solution 11, can also be that the sewing machine erected state and can incline Switch between state, which is to erect the column sections of setting along upper from the position of the opening portion in the engine base portion The state that lower direction extends, the tilt state are the column sections relative to the erected state to opposite with the inlet Lubricating oil can be injected institute by the state that direction is toppled over when the sewing machine is the tilt state via the inlet State oil vessel, the upper end of the opposite face of the opposed member connect with straight line the inlet inside side edge part and The obtained imaginary line of inside side edge part of the opening portion intersects.Will be lubricating oil is injected into when oil vessel, the behaviour of sewing machine Author makes sewing machine become tilt state, and injection nozzle is inserted into inlet.The lubricating oil that nozzle tip sprays encounters phase Opposite, and along oppositely facing being flowed in oil vessel.Since the upper-end part of driving of opposite face is between inlet and opening portion, Even if being bound to encounter opposite face if the impetus powerful lubricating oil for the lubricating oil that nozzle tip sprays, will not cross opposite face and Fly to opening portion.Therefore, the lubricating oil injected from inlet can be reliably accommodated in oil vessel by oil vessel.

The sewing machine of technical solution 12 has：Oil supply mechanism has the oil vessel for being accommodated with lubricating oil and for that will receive The feed mechanism that the lubricating oil being contained in the oil vessel is supplied to fuel feeding object；And engine base portion, it is arranged in the engine base portion The oil vessel, the sewing machine are characterized in that the oil vessel is located at the opening portion being open in the upper surface in the engine base portion Lower section, and the top of the oil vessel opens, and the fuel feeding object is located at the top of the opening portion, the supply machine The lubricating oil that structure is supplied to the fuel feeding object drips via the opening portion to the oil vessel, the oil supply mechanism It is equipped with：Inlet, on the lower and the position of the pasta than being accommodated in the lubricating oil in the oil vessel than the opening portion Position against the top is set to the sewing machine, and by the inside and outside connection of the sewing machine；And opposed member, have Opposite face, the opposite face in the private side of the sewing machine and are just than the opening portion for the inlet Lower position is opposite with the inlet close to the position of the inlet, and the surface area of the opposite face is more than the injection The opening area of mouth.Sewing machine can be vibrated in driving, and the pasta of the lubricating oil in oil vessel is caused to vibrate.It is supplied to fuel feeding pair It is dripped in pasta as the lubricating oil of object becomes oil droplet by opening portion.Opposed member prevents the pasta in vibration from splashing and flies to note The oil droplet of entrance reaches inlet.Therefore, can prevent if even if inlet is the state sewing machine opened when sewing machine drives Only External leakage of the lubricating oil from inlet to sewing machine.

Description of the drawings

Fig. 1 is the front view of sewing machine 1.

Fig. 2 is the appearance of the sewing machine 1 of tilt state and the in-built stereogram in engine base portion 2.

Fig. 3 is the longitudinal section view of the obtained sewing machine of structure in the circle A of enlargedly observation chart 11.

Fig. 4 is the sectional view in the engine base portion 2 overlooked at the I-I lines of Fig. 1.

Fig. 5 is the front view of presser foot drive 50 and oil supply mechanism 80.

Fig. 6 is the stereogram of the driving mechanism inside sewing machine 1.

Fig. 7 is the stereogram of oil vessel 100.

Fig. 8 be at the II-II lines of Fig. 5 from left sides to oil vessel 100 sectional view.

Fig. 9 is the sectional view for the oil vessel 100 being observed from the right at the III-III lines of Fig. 7.

Figure 10 is from 2 obtained sectional view of the engine base portion of left sides tilt state.

Figure 11 is the vertical view of oil supply mechanism 80.

Specific implementation mode

It is described with reference to an embodiment of the utility model.In the following description, using in figure shown in arrow Left and right, front and back, upper and lower.Sewing machine 1 is set to sewing machine table 6, and sewing machine table 6 has rectangular opening 6A.Sewing machine 1 has engine base portion 2, column sections 3 and horn portion 4.

As shown in Figure 1 to 4, engine base portion 2 is the pedestal of sewing machine 1.Engine base portion 2 has engine base main body 20 and lower cover 23. Engine base main body 20 has engine base 21 and fixed part 22.Engine base 21 is plate when overlooking in the form of a substantially rectangular, and is prolonged in left-right direction It stretches.When sewing machine 1 is erected state, engine base 21 is sticked in the rectangular opening 6A of sewing machine table 6.Erected state is 3 phase of column sections The state vertically erected for the upper surface (horizontal plane) of sewing machine table 6.It is equipped with 11 (reference of needle plate in the left part of engine base 21 Fig. 6).Needle plate 11, which has, holds pin hole.Needle plate 11 offers work feed perforation 12 around appearance pin hole.Fixed part 22 is from engine base 21 Following table protrudes downwards, and is set as wall-like along the periphery of engine base 21.Shaft 37, shuttle drive mechanism 30 and work feed Platform driving mechanism 40 is assembled in fixed part 22.About Shaft 37, shuttle drive mechanism 30 and cloth pushing table driving mechanism 40, it will be described hereinafter.The right part of fixed part 22 has the mounting portion 26 for installing aftermentioned oil vessel 100.Gu Determine portion 22 have antetheca 26A, rear wall 26B, right wall 26C and partition wall 26D, antetheca 26A, rear wall 26B, right wall 26C and point Next door 26D constitutes mounting portion 26.Partition wall 26D is the wall that will be connected between antetheca 26A and rear wall 26B along the longitudinal direction Portion.Partition wall 26D is leaned on by the part surrounded by partition wall 26D, antetheca 26A, rear wall 26B and right wall 26C and than partition wall 26D It is separated between the part in left side.Antetheca 26A, rear wall 26B, right wall 26C and partition wall 26D lower surface be located at identical height Degree.

Sewing machine 1 has for supplying the oil supply mechanism 80 of lubricating oil to driving mechanism (with reference to Fig. 5).Oil supply mechanism 80 has It is useful for the oil vessel 100 of storage lubricating oil.Oil vessel 100 is the container for the box-like that top opens, and upper surface is and installation The lower surface same shape in portion 26.Sealing element 28 is clipped in upper surface and the mounting portion 26 of oil vessel 100 (with reference to Fig. 3) Lower surface between.The upper surface of oil vessel 100 is tightly attached to the lower surface of mounting portion 26 across sealing element 28, and solid using screw Due to mounting portion 26.The space in space and mounting portion 26 in oil vessel 100 completely cuts off with other spaces in engine base portion 2. Engine base 21 has and the opening portion 27 (with reference to Fig. 3) that is connected in mounting portion 26.Oil vessel 100 is received and is stored along column sections 3 Oil droplet that is interior and dripping from opening portion 27 into mounting portion 26.In oil vessel 100 and mounting portion 26 and column sections 3 are interior with sealed shape State is connected.Therefore, it is centainly accumulated in oil vessel 100 from the oil droplet that column sections 3 are dripped.It, will be rear about oil supply mechanism 80 Face illustrates.

Fixed part 22 has inlet 24 in the right part of antetheca 26A (with reference to Fig. 4).Inlet 24 is open forwards, and Positioned at the top of oil vessel 100.Inlet 24 is by the inside and outside connection of mounting portion 26.Oil vessel 100 stores lubricating oil For full amount when pasta C (with reference to Fig. 8) height less than oil vessel 100 the first bottom wall 105 upper surface height.For For the height of inlet 24, compared with when inlet to be set to the antetheca 101 of oil vessel 100, inlet 24 is located at upward Position far from pasta location of C.Therefore, even if the height of inlet 24 is the oil droplet that drips from column sections 3 along with sewing The pasta C that the driving of machine 1 is vibrated, which splashes, is also difficult to reach the height of inlet 24.When usually using sewing machine 1, injection Mouth 24 is blocked by bolt member 25.Bolt member 25 is used to prevent the lubricating oil in oil vessel 100 from inlet 24 to sewing machine 1 outer Portion leaks.

Lower cover 23 is the box-like that top opens, and when looking down in the form of a substantially rectangular, and is extended in left-right direction.Lower cover 23 is aligned The forming position of rectangular opening 6A and the lower surface for being installed on sewing machine table 6.The inner surface of the inner surface and lower cover 23 of rectangular opening 6A Form recess portion.When sewing machine 1 is erected state, engine base 21 covers from above rectangular opening 6A and lower cover 23 is formed by recess portion. The inner surface of the lower surface of engine base 21, the inner surface of rectangular opening 6A and lower cover 23 forms inner space in engine base portion 2.It is internal Store Shaft 37, shuttle drive mechanism 30, cloth pushing table driving mechanism 40 and oil vessel 100 in space.

Column sections 3 are set to the right end in engine base portion 2 and extend upward.Column sections 3 have opening portion 3A in lower end.Pillar It is connected with the opening portion 27 of engine base 21 via opening portion 3A in the mounting portion 26 in engine base portion 2 in portion 3.That is, column sections 3 from The position of the opening portion 27 in engine base portion 2 extends upward.Column sections 3 have motor of sewing machine 10 and connection rotary shaft 36.Sewing Machine motor 10 is fixed on the right side on the top of column sections 3.Belt wheel 9 is set to 10 right side of motor of sewing machine, and is fixed on to sewing The drive shaft that the right side of machine motor 10 extends.The drive shaft extended to the left side of motor of sewing machine 10 is by connector 13 and upper rotation Axis 35 is connected.Connection rotary shaft 36 vertically extends in column sections 3.Link rotary shaft 36 by the rotation of upper rotary shaft 35 Turn driving force and is rotated down the transmission of axis 37.

Horn portion 4 extends to the left from the upper end of column sections 3, and opposite with the upper surface in engine base portion 2.Upper rotary shaft 35 is set In in horn portion 4, and extend in left-right direction.The left part in horn portion 4 is top end part 5.As shown in figure 5, top end part 5 is downwards Extend.Top end part 5 has presser feet 15 and eedle 8 in lower section.There is compression bar 16, spring 17, presser feet driving in the inside of top end part 5 Mechanism 50, thread take-up tension lever driving mechanism 70 and needle bar drive device 75.Compression bar 16 vertically extends in top end part 5, Lower end protrudes downwards from the lower end of top end part 5.Presser feet 15 is set to the lower end of compression bar 16.The upper end phase of spring 17 and compression bar 16 Connection.The knob 18 for being located at the top the upper end in portion 5 fixes the upper end of spring 17.Therefore, spring 17 downwards applies compression bar 16 Power.Presser foot drive 50 makes compression bar 16 be moved upward in driving, and presser feet 15 is made to be moved to the top of needle plate 11.About Thread take-up tension lever driving mechanism 70 and needle bar drive device 75, will be described hereinafter.

Presser foot drive 50 has crank 51, axis 52, fixture structural unit 53 and bar 54.Fixture structural unit 53 is set to compression bar 16 top.Fixture structural unit 53 is in rodlike, and is rearward extended.The left part of fixture structural unit 53 is fixed on compression bar using screw 16.Crank 51 is the plank of bending, and axis 52 is set to the right side of fixture structural unit 53.Axis 52 is in such a way that crank 51 can be swung Support the bending part of the crank 51.The part of crank 51 extended to the left from bending part is located at the rear end of fixture structural unit 53 The downside in portion.Bar 54 is set to the rear side of crank 51.When will be by making presser feet 15 be moved up and down manually, operator uses bar 54.The upper end for the part of crank 51 extended upward from bending part is connected with the left end of connecting rod 55.Connecting rod 55 is in horn Extend in left-right direction in portion 4, right end is connected with crank 57.Crank 57 is the plank of bending, and in column sections 3 Top.Axis 56 supports the bending part of the crank 57 in such a way that crank 57 can be swung.Knee presser foot lifter bar 58 and crank 57 The right end of the part extended to the right from bending part be connected.Knee presser foot lifter bar 58 is in column sections 3 and in engine base portion 2 It vertically extends, lower end 58A is prominent to the lower section of oil vessel 100 via the through-hole 114 (with reference to Fig. 8) of oil vessel 100 Go out.

The lower cover 23 in engine base portion 2 has the knee operation portion 19 (referring to Fig.1) that operator can operate in front surface.Knee Operation portion 19 is connected with the longitudinal axis 62.The longitudinal axis 62 to the top of knee operation portion 19 extend and be bent to the right, the longitudinal axis 62 by Connector 59 is connected with horizontal axis 60.Horizontal axis 60 rearward extends, and the rear portion of horizontal axis 60 is located in lower cover 23.The bottom of lower cover 23 The horizontal axis 60 is supported in such a way that horizontal axis 60 can rotate.Knee presser foot lifter component 61 is set to (with reference to Fig. 3) in lower cover 23, and solid Due to horizontal axis 60.Knee presser foot lifter component 61 is the plank of bending, and extends to the right of horizontal axis 60.It is to erect in sewing machine 1 When state, the right part of knee presser foot lifter component 61 is located at the lower section of knee presser foot lifter bar 58.It is clockwise when spring is along main view Direction exerts a force to horizontal axis 60, and the right part of knee presser foot lifter component 61 is made to move downwards.

When presser foot drive 50 does not drive, knee operation portion 19 is located at the left side of horizontal axis 60.Knee presser foot lifter component 61 right part is located at the downside in the range that can be moved.Knee presser foot lifter bar 58 is in the state that can be moved up and down.Bullet Compression bar 16 is pressed downward by spring 17 using force.The movement of the unlimited fixture structural unit 53 processed of crank 51 downwards.Presser feet 15 moves downwards It is dynamic, and press cloth on needle plate 11.When operating knee operation portion 19, operator makes knee operation portion 19 to the right using knee Fang Yidong.Direction counterclockwise rotates when horizontal axis 60 is around main view, and the right part of knee presser foot lifter component 61 is made to be moved upward.Knee The right part of portion's presser foot lifter component 61 is connected to the lower end 58A of knee presser foot lifter bar 58, and knee presser foot lifter bar 58 is upward Fang Dingqi.Knee presser foot lifter bar 58 is moved upward, and direction counterclockwise rotates when making crank 57 around main view.Along with crank 57 Rotation, connecting rod 55 moves to the right, and clockwise direction rotates when making crank 51 around main view.Crank 51 from bending part to The part that left extends is moved upward, and fixture structural unit 53 is jacked up.Compression bar 16 overcomes the force of spring 17 to rise.Presser feet 15 are moved upward, and cloth is discharged.

Illustrate the driving mechanism of sewing machine 1 with reference to Fig. 6.There is sewing machine 1 main driving mechanism 34, main driving mechanism 34 to have Upper rotary shaft 35, connection rotary shaft 36 and Shaft 37.Upper rotary shaft 35 extends in left-right direction in horn portion 4.Even Knot rotary shaft 36 vertically extends in column sections 3.Shaft 37 extends in left-right direction in engine base portion 2.Upper rotation The right end of shaft 35 is connected by connector 13 with motor of sewing machine 10.Motor of sewing machine 10 is for making rotary shaft 35 rotate. Supply unit 92 supports the substantial middle part on the left and right directions of upper rotary shaft 35.Supply unit 92 is generally cylindrical.About confession To the detailed content in portion 92, will be described hereinafter.Upper rotary shaft 35 has between supply unit 92 and motor of sewing machine 10 Eccentric part 39 and bevel gear 35A.Bevel gear 35A is set to the right side of eccentric part 39.Bevel gear 35A can be to connection rotary shaft 36 Transmit driving force.The axle center of eccentric part 39 is eccentric relative to the axle center of upper rotary shaft 35.The upper end phase of eccentric part 39 and bar 45 Connection.Bar 45 can transmit driving force to cloth pushing table driving mechanism 40.The left end of upper rotary shaft 35 and thread take-up tension lever driving mechanism 70 It is connected with needle bar drive device 75.Motor of sewing machine 10 makes rotary shaft 35 rotate, and to thread take-up tension lever driving mechanism 70 and needle Bar driving mechanism 75 transmits driving force.Thread take-up tension lever driving mechanism 70 has thread take-up tension lever 14, and thread take-up tension lever 14 can be made to move up and down. The structure of thread take-up tension lever driving mechanism 70 is well-known, therefore omits detail explanation.

Needle bar drive device 75 has shank 7.Shank 7 is located at the top of needle plate 11, and in top end part 5 along the vertical direction Extend.The lower end of top end part 5 is opposite with needle plate 11.Expose from the downside of top end part 5 lower end of shank 7.Shank 7 is under End is equipped with eedle 8.Needle bar drive device 75 makes shank 7 and eedle 8 along the vertical direction along with the rotation of upper rotary shaft 35 It moves back and forth.When shank 7 declines, the lower end of eedle 8 is by holding pin hole and reaching the top of rotating shuttle 31.Shuttle core sheath storage winding There is the shuttle of baseline, and is installed on rotating shuttle 31.Eedle 8 keeps upper thread.Rotating shuttle 31 cooperates with eedle 8, makes upper thread and baseline Interweave.The upper thread for being interwoven in baseline is lifted on needle plate 11 by thread take-up tension lever 14, to form stitching on cloth.

Bevel gear 36A is set to the upper end of connection rotary shaft 36.Bevel gear 36A is engaged with the bevel gear 35A of upper rotary shaft 35. Link rotary shaft 36 along with the rotation of upper rotary shaft 35, is rotated by bevel gear 35A, bevel gear 36A.Bearing portion 63 is in Cylindrical shape, and support the substantial middle part in the upper and lower directions for linking rotary shaft 36.Link rotary shaft 36 in bearing portion 63 Downside has bevel gear 36B.The lower end of connection rotary shaft 36 is connected with oil feed pump 150.Oil feed pump 150 is configured at oil vessel In 100.Bevel gear 37A is set to the right end of Shaft 37.Bevel gear 37A is engaged with the bevel gear 36B of connection rotary shaft 36. Shaft 37 is rotated along with the rotation of connection rotary shaft 36 by bevel gear 36B, bevel gear 37A.Therefore, link The rotary driving force that motor of sewing machine 10 makes upper rotary shaft 35 rotate is rotated down axis 37 and transmitted by rotary shaft 36.Bearing portion 64 is in Cylindrical shape, and support the substantial middle part on the left and right directions of Shaft 37.The left end of Shaft 37 drives with shuttle Mechanism 30 is connected.There is shuttle drive mechanism 30 rotating shuttle 31, rotating shuttle 31 to be set to the left end of Shaft 37.Rotating shuttle 31 is adjoint The rotation for Shaft 37 is driven, and is synchronously rotated with the up and down motion of eedle 8.Cloth pushing table driving mechanism 40 is to make to send Cloth platform 41 is moved with upper and lower directions to convey the mechanism of object to be sewn along the longitudinal direction.Cloth pushing table driving mechanism 40, which has, to be sent Cloth platform 41, upper and lower conveying axis 42, horizontal feed axis 43 and work feed motor 44, cloth pushing table 41 is in the lower section of needle plate 11 and needle plate 11 It is arranged substantially in parallel.Cloth pushing table 41 is equipped with cloth conveying teeth in upper face center.Cloth conveying teeth extends along the longitudinal direction, and has on top There is concavo-convex portion.The concavo-convex portion of cloth conveying teeth is located in work feed perforation 12.In sewing, cloth pushing table 41 makes the jog of cloth conveying teeth Divide and be projected on needle plate 11 from work feed perforation 12, cloth is clamped between the cloth conveying teeth and presser feet 15.

Engine base portion 2 supports the upper and lower conveying axis 42 in such a way that upper and lower conveying axis 42 can rotate.Upper and lower conveying axis 42 exists It is set to the rear side of Shaft 37 in engine base portion 2, and is extended parallel to Shaft 37.Upper and lower conveying axis 42 is cylindrical in shape, energy It is enough by by delivery pipe 85 from oil vessel 100 convey Lai lubricating oil supplied to link component 46.The right part of upper and lower conveying axis 42 It is connected with the lower end of bar 45.Bar 45 extends from the eccentric part 39 of upper rotary shaft 35 to the back lower place.Bar 45 is along with upper rotation The rotation of axis 35 moves up and down by eccentric part 39, to make 42 reciprocating rotation of conveying axis up and down.Link component 46 is set to The left end of upper and lower conveying axis 42.Link component 46 and the rear end of cloth pushing table 41 are connected.When upper and lower conveying axis 42 carries out reciprocating rotary When dynamic, link component 46 makes cloth pushing table 41 move along the vertical direction.The up and down motion of cloth pushing table 41 and the up and down motion of eedle 8 are same Step.Work feed motor 44 is set to the left of oil vessel 100 in engine base portion 2.Work feed motor 44 is impulse motor, can make drive shaft Reciprocating rotation is carried out in scheduled angular range.The drive shaft of work feed motor 44 is connected with the one end in link mechanism portion 47 It connects.The right part of horizontal feed axis 43 is fixed in the other end in link mechanism portion 47.Horizontal feed axis 43 is set in engine base portion 2 In the front side of Shaft 37 and it is provided at the left side of work feed motor 44.Horizontal feed axis 43 parallelly prolongs with Shaft 37 It stretches.Horizontal feed axis 43 is cylindrical in shape, can by by delivery pipe 84 from oil vessel 100 convey Lai lubricating oil supplied to link component 48 It gives.Link component 48 is set to the left part of horizontal feed axis 43, and extends upward.The upper end of link component 48 and cloth pushing table 41 Front end be connected.When work feed motor 44 drives, link mechanism portion 47 makes horizontal feed axis 43 in scheduled angular range Carry out reciprocating rotation.When horizontal feed axis 43 carries out reciprocating rotation, link component 48 keeps cloth pushing table 41 reciprocal along the longitudinal direction It is mobile.

Illustrate the oil supply mechanism 80 of sewing machine 1.Oil supply mechanism 80 have oil vessel 100, oil feed pump 150, delivery pipe 81~ Delivery pipe 87, connector 94, plunger pump 91 and supply unit 92.Illustrate oil vessel 100 with reference to Fig. 3, Fig. 4, Fig. 7~Figure 10.Oil Container 100 is formed by metals such as aluminium.Oil vessel 100 have antetheca 101, the first rear wall 102, the first left wall 103, right wall 104, First bottom wall 105, the second rear wall 106, the second left wall 107 and the second bottom wall 108.First bottom wall 105 and the second bottom wall 108 exist The whole region being formed in when vertical view in mounting portion 26, and shape in the form of a substantially rectangular.Second bottom wall 108 is located in mounting portion 26 The region of forward right side.First bottom wall 105 is in curved shape when looking down, is set to left side and the rear side of the second bottom wall 108, and is located at The top of second bottom wall 108.Second rear wall 106 is erected from the rear end substantially vertical of the second bottom wall 108, the second left wall 107 from Erect to the left end substantially vertical of second bottom wall 108.The upper end of second rear wall 106 extends in left-right direction with the first bottom wall 105 The right front ends of part be connected.The right end for the part that the upper end of second left wall 107 extends along the longitudinal direction with the first bottom wall 105 It is connected.The left end of second rear wall 106 is connected with the rear end of the second left wall 107.First rear wall 102 is from the first bottom wall 105 It erects to rear end substantially vertical, the first left wall 103 is erected from the left end substantially vertical of the first bottom wall 105.First rear wall 102 The rear end of left end and the first left wall 103 is connected.Front end substantially vertical of the antetheca 101 from the first bottom wall 105 and the second bottom wall 108 Ground erects.Right wall 104 is erected from the right end substantially vertical of the second bottom wall 108.The left end of antetheca 101 and the first left wall 103 Front end is connected, and the right end of antetheca 101 is connected with the front end of right wall 104.Substantial middle on the left and right directions of antetheca 101 with The front end of second left wall 107 is connected.The rear end of right wall 104 is connected with the right end of the first rear wall 102.Right wall 104 it is front and back Substantial middle on direction is connected with the right end of the second rear wall 106.Antetheca 101, the first rear wall 102, the first left wall 103, the right side 104 respective upper end of wall is located at identical height.Antetheca 101, the first rear wall 102, the first left wall 103, right wall 104, the first bottom 105 area encompassed of wall is to receive the region of the oil droplet to drip from column sections 3.The region, which is referred to as, connects oily region 120.Antetheca 101, the second rear wall 106, the second left wall 107, right wall 104,108 area encompassed of the second bottom wall are to receive to drip from column sections 3 Under oil droplet and store lubricating oil region.The region, which is referred to as, receives oily region 125.It includes shuttle oil region 130 to receive oily region 125 With driving oil region 140.Shuttle oil region 130 is located at the left front in driving oil region 140.Shuttle oil region 130 is for storing The lubricating oil supplied to shuttle drive mechanism 30.The oily region 140 of driving is for storing to main driving mechanism 34, cloth pushing table driving machine The lubricating oil that structure 40, thread take-up tension lever driving mechanism 70, needle bar drive device 75 supply.Shuttle oil region 130 is in substantially when looking down Rectangle, and in the second bottom wall 108 by the part of front left side.Driving oil region 140 is in substantially alphabetical L-shaped when looking down Curved shape, and positioned at the region on the right side from the rear side in shuttle oil region 130 to shuttle oil region 130.First partition wall 111 Shuttle oil region 130 and driving oil region 140 are separated with the second partition wall 112.First partition wall 111 is from shuttle oil area It erects to the rear end in domain 130 substantially vertical, shuttle oil region 130 and driving oil region 140 is separated in the longitudinal direction. The left end of first partition wall 111 is connected with the second left wall 107.The upper end of first partition wall 111 is located under the first bottom wall 105 Side.Second partition wall 112 is erected from the right end substantially vertical in shuttle oil region 130, by shuttle oil region 130 and the oily area of driving Domain 140 separates in the lateral direction.The front end of second partition wall 112 is connected with antetheca 101.Shuttle oil region 130 it is upper Portion opens.The top in shuttle oil region 130 is throughput 113, and lubricating oil is in the shuttle oil region 130 and the oily region of driving 140 It circulates between interior.Second partition wall 112 is with notch section 112A made of cutting off upper part downwards.Therefore, second separates The upper end of wall 112 is located at the lower section of the upper end of the first partition wall 111.The notch section 112A's of the upper end of second partition wall 112 is upper The space of side is also functioned as throughput 113.

The upper surface of second bottom wall 108 is to be gone and inclined surface 108A inclined downward (ginsengs with from rear side towards front side According to Fig. 9).Lubricating oil in receipts oil region 125 along inclined surface 108A, from the rear side received in oily region 125, move forward by side.Even if It is a small amount of to receive the lubricating oil in oily region 125, and shuttle oil region 130 can also store the lubricating oil flowed into from the oily region 140 of driving, So that it is guaranteed that the lubricating oil supplied to shuttle drive mechanism 30.The left back in shuttle oil region 130 is formed with from connecing oily region 120 recess portions 131 being recessed to the left.By being formed with recess portion 131, the storage amount of the lubricating oil in shuttle oil region 130 increases. Second left wall 107 and antetheca 101 form the shuttle oil region 130 including the region in recess portion 131, and are formed and separated with first The rack portion 132 of the identical height in upper end of wall 111.Top and throughput of the shuttle oil region 130 in shuttle oil region 130 113 are equipped with metal net shaped filter 133 (with reference to Fig. 4).The edge of filter 133 is configured in rack portion 132, and is filtered Device 133 covers the open portion on the top in shuttle oil region 130.The right part of filter 133 bendingly configures downwards The right side of two compartment wall 112, and cover the open portion on the top of the notch section 112A of the upper end of the second partition wall 112.Filtering Device 133 is fixed on the boss that setting is erect from the second bottom wall 108 in shuttle oil region 130 using screw, to be fixed on shuttle Seed oil region 130.Therefore, lubricating oil in lubricating oil in oily region 120 and the oily region of driving 140 is connect to shuttle oil region When being moved in 130, it is bound to by filter 133.Filter 133 is from the lubricating oil moved into shuttle oil region 130 Except the foreign matter bigger than mesh.

Right front portion of the magnet 136 in shuttle oil region 130 is set on the second bottom wall 108, is used to adsorb shuttle oil area The iron powder etc. contained by lubricating oil in domain 130.For sending oilhole 134 in shuttle oil to the conveying lubricating oil of shuttle drive mechanism 30 The front end of the second left wall 107 is set in region 130.That is, sending the front end that oilhole 134 is located at oil vessel 100.Such as Figure 10 institutes Show, when to 100 fuel feeding of oil vessel, sewing machine 1 is tilted with tilt state.Tilt state is column sections 3 relative to sewing machine table The state that 6 upper surface (horizontal plane) is rearward toppled over (with reference to Fig. 2).When sewing machine 1 is in tilt state, make front surface Side is that axial upside tilts with the hinge part 2A at the rear portion in engine base portion 2.The lubricating oil received in oily region 125 is connecing oily region 120 It is interior to be moved to the rear side for receiving oily region 125.Due to sending oilhole 134 receiving in oily region 125 positioned at higher position, this send The high position in horizontal position of the pasta D of lubricating oil when oilhole 134 is located at than tilt state.Therefore, in tilt state When, send oilhole 134 not send out lubricating oil.When to 100 fuel feeding of oil vessel, operator is via set on the first of oil vessel 100 The fuel feeding window 117 (with reference to Fig. 2) of bottom wall 105 confirms fuel delivery.Since fuel feeding window 117 is set to the first bottom wall 105, When sewing machine 1 is tilt state, fuel feeding window 117 is towards face side.Therefore, operator can be easy with the naked eye in fuel feeding from confession Oily window 117 confirms fuel delivery.As described in Fig. 3, Fig. 4, Fig. 7~Figure 10, columned felt 135, which is set to, to be sent in oilhole 134 (with reference to figure 7).The right part of felt 135 is prominent into shuttle oil region 130.Therefore, when to 30 fuel feeding of shuttle drive mechanism, shuttle oil area Lubricating oil in domain 130 is bound to by felt 135.Felt 135 can be removed from the lubricating oil supplied to shuttle drive mechanism 30 By filter 133 and the foreign matter of magnet 136 can not be attached to.Therefore, oil vessel 100 is gone to the supply of shuttle drive mechanism 30 In addition to the lubricating oil of foreign matter.

The configuration of oil feed pump 150 is located at the right back in shuttle oil region 130 when looking down in driving oil region 140.Fuel feeding Pump 150 is connected with the lower end of connection rotary shaft 36.By linking the rotation of rotary shaft 36 to which oil feed pump 150 makes impeller revolve Turn, oil feed pump 150 will drive the lubricating oil in oily region 140 to pick up, and be sent out to delivery pipe 86.

Opposed member 141 is erected from the front end substantially vertical of the second bottom wall 108.Opposed member 141 is in front and back There is thickness upwards, in the lateral direction the plate with width.The lower rightward side of opposed member 141 extends, and and right wall 104 are connected.The upper end 141B of opposed member 141 extends to the top of the upper end of oil vessel 100, and positioned at engine base portion 2 The top of inlet 24.Opposite face 141A is the front surface of opposed member 141, with 24 face of inlet.With inlet 24 On the orthogonal direction of opening direction, the length of opposite face 141 is more than the size of inlet 24 (with reference to Fig. 4, Fig. 8).Opposite face The surface area of 141A is more than the opening area of inlet 24.In the oil droplet to drip from column sections 3 in the drive along with sewing machine 1 When the dynamic pasta vibrated splashes, opposed member 141 prevents oil droplet from entering inlet 24.The upper end of opposed member 141 141B and imaginary line B (referring to Fig.1 0) intersects.Imaginary line B is the private side by fixed part 22 that inlet 24 is connected with straight line The obtained imaginary lines of edge 27A of the side close to the inner portion of the opening portion 27 of edge 24A and engine base 21.The upper end of opposed member 141 Positioned at the top of imaginary line B.As shown in Figure 10, when to 100 fuel feeding of oil vessel, sewing machine 1 is tilted with tilt state.Operator Carry out fuel feeding by inlet 24 is inserted into for the injection nozzle 156 of oil vessel 155.Injection with the directions of 156 courts of nozzle with it is opposite The extending direction of component 141 intersects.The lubricating oil that the nozzle tip 156A of injection nozzle 156 sprays meets opposite face 141A, And it is flowed into oil vessel 100 along opposite face 141A.The opposed member 141 intersected with imaginary line B can prevent from spraying from injection The lubricating oil that the nozzle tip 156A of mouth 156 sprays flies to opening portion 27.

Opposed member 141 is located at the position that inlet 24 is leaned on than the following position directly of column sections 3 in the longitudinal direction.Oil holds The lubricating oil that device 100 is stored is vibrated along with the driving of sewing machine 1.Therefore, it is being vibrated in the oil droplet to drip from column sections 3 Pasta splash when, the oil droplet be difficult to the impetus is strongly splashed enter between opposed member 141 and antetheca 26A, it is difficult to Reach inlet 24.The distance between opposed member 141 and antetheca 26A are preferably the distance of following this degree, that is, are for example existed When injection is inserted into inlet 24 by operator with half of nozzle 156 or so, nozzle tip 156A is connected to opposite face 141A.Phase Component 141 is extended upward from the second bottom wall 108.Therefore, the amount of the lubricating oil in being accommodated in oil vessel 100 is sewing machine When amount, that is, lower limit amount of the bottom line needed for 1 driving, opposite face 141A is also bound to be dipped in lubricating oil.That is, in opposite structure Gap is not present between the lower end and pasta of part 141.Even if the oil droplet to drip from column sections 3 is in the driving along with sewing machine 1 The pasta vibrated splashes, and will not pass through between the lower end and pasta of opposed member 141, will not splash to inlet 24.

As shown in Fig. 3, Fig. 4, Fig. 7~Figure 10, drive second rear wall 106 in oily region 140 that there is link road in left end 142.Link road 142 is in extend relative to 106 inclined channel-shaped of the second rear wall, and from preceding side-lower to back side top.Link road 142 connect the upper surface of the upper surface of the second bottom wall 108 and the first bottom wall 105.Tap 126 is in the first bottom wall 105 Rear end be set to link road 142 rear.Tap 126 penetrates through the first bottom wall 105 along the vertical direction, by oil vessel 100 and Outside connection.

When usually using sewing machine 1, the tap 126 of oil vessel 100 is fastened using screw.Screw is set in screw head O-ring seal is set, for blocking tap 126.In oil extraction, sewing machine 1 is switched to tilt state from erected state.The areas Shou You Lubricating oil in domain 125, which is moved to, to be connect in oily region 120.Lubricating oil is from oily region 125 is received by link road 142 to connecing oily region 120 flowings.Tap 126 is discharged the lubricating oil in oily region 120 is connect to the external of oil vessel 100.Since link road 142 inclines Tiltedly, therefore, even if receiving the lubricating oil noresidue that can make if the lubricating oil in oily region 125 becomes a small amount of in receipts oil region 125 Ground, which flows to, connects oily region 120.The first left wall 103 for connecing oily region 120 offers recovery holes 121 at rear portion (with reference to Fig. 7).Oil Lubricating oil after being recycled in shuttle drive mechanism 30 is recovered to from recovery holes 121 and connects in oily region 120 by container 100.First Left wall 103 offers supply hole 122 in front.Oil vessel 100, which is supplied via supply hole 122 to cloth pushing table driving mechanism 40, to be lubricated Oil.The first bottom wall 105 for connecing oily region 120 has through-hole 114.Through-hole 114 is open at 105 rear portion of the first bottom wall, is lifted for knee Presser bar 58 passes through along the vertical direction.First bottom wall 105 has cylindrical portion 115 outstanding upward.Cylindrical portion 115 is with through-hole It is cylindrical in shape extension upward from the first bottom wall 105 centered on 114.The bore 115A of cylindrical portion 115 is connected with through-hole 114, It is passed through along the vertical direction for knee presser foot lifter bar 58.It is left that the upper end of cylindrical portion 115 is located at antetheca 101, the first rear wall 102, first The top of 104 respective upper end of wall 103 and right wall.

Covering part 145 is set to the side of knee presser foot lifter bar 58.The material of covering part 145 is, for example, the resins such as rubber, tool There are upside covering part 146 and side covering part 147.Upside covering part 146 is disk-shaped, and offers retaining hole in center 146A.Side covering part 147 is in the tubular extended downwards from the periphery side edge part of upside covering part 146.Retaining hole 146A's Inner surface is tightly attached to the outer surface of knee presser foot lifter bar 58.Covering part 145 covers from above cylindrical portion 115, and lifts and press with knee Foot lever 58 moves up and down together.

Oil vessel 100 is equipped with protection component 160 in cylindrical portion 115.It is, for example, the trees such as rubber to protect the material of component 160 Fat, protection component 160 have bottom wall part 161 and peripheral wall portion 162.Bottom wall part 161 is disk-shaped, and offers retaining hole in center 161A.The inner surface of retaining hole 161A is tightly attached to the lateral surface of cylindrical portion 115.Peripheral wall portion 162 is set to the peripheral side of bottom wall part 161 Edge is cylindrical in shape extension along the vertical direction.There are four through holes 163 in peripheral side edge tool for bottom wall part 161.Through hole 163 makes The oil droplet of the upper surface of bottom wall part 161 is dropped onto along covering part 145 to the flowing underneath of bottom wall part 161.In presser foot drive When 50 driving, covering part 145 is moved upward together with knee presser foot lifter bar 58.It is located at up and down motion range in covering part 145 In the top when, the lower end of side covering part 147 is located at the top side of cylindrical portion 115.Therefore, no matter covering part 145 is moved Which position within the scope of up and down motion is moved, protection component 160 will not all be such that cylindrical portion 115 exposes, can prevent lubricating oil It is attached to cylindrical portion 115.

As shown in Fig. 5, Fig. 6, Figure 11, the plunger pump 91 of oil supply mechanism 80, which is used to supply to shuttle drive mechanism 30, to be lubricated Oil.Plunger pump 91 is set to the right side of the rotating shuttle 31 of shuttle drive mechanism 30.Plunger pump 91 has sleeve 911 and plunger 912.Sleeve 911 is generally cylindrical, supports the substantial middle part on the left and right directions of Shaft 37.Plunger 912 is set to sleeve 911 It is interior, and can retreat along the radial direction of sleeve 911.Plunger pump 91 is carried out along with the rotation of Shaft 37 by plunger 912 The oil feed pump for retreating to drive.Oil vessel 100 the second left wall 107 outer wall side and be to send oilhole in shuttle oil region 130 134 are equipped with connector 137.One end of delivery pipe 81 is connected with connector 137.Delivery pipe 81 is piped in engine base portion 2 in oil vessel 100 left, the other end are connected with plunger pump 91.The lubrication that plunger pump 91 will be conveyed by delivery pipe 81 from oil vessel 100 Oil sucking supplies lubricating oil by Shaft 37 to rotating shuttle 31.Oil vessel 100 the first left wall 103 outer wall side and be The recovery holes 121 for connecing oily region 120 are equipped with connector 123 (with reference to Fig. 7).One end of delivery pipe 82 is connected with connector 123.It is defeated Pipe 82 is sent to be configured at left in engine base portion 2, the other end is connected with plunger pump 91.Plunger pump 91 is fed into rotating shuttle 31 The remainder of lubricating oil is recycled and is sent out to delivery pipe 82.The lubricating oil that oil vessel 100 is conveyed delivery pipe 82 is from recycling The income of hole 121 is accommodated in oil region 125 to connecing in oily region 120.83~delivery pipe of delivery pipe of oil supply mechanism 80 85 to cloth pushing table driving mechanism 40 for supplying lubricating oil.Oil vessel 100 the first left wall 103 outer wall side and be to connect oil The supply hole 122 in region 120 is equipped with connector 124 (with reference to Fig. 7).One end of delivery pipe 83 is connected with connector 124.Delivery pipe 83 Left is configured in engine base portion 2, the other end is connected with the right installing port 96 of connector 94.

As shown in figure 11, connector 94 has main part 95, right installing port 96, left installing port 97, rear installing port 98.Right installation Mouth 96, left installing port 97, rear installing port 98 are respectively arranged on the right side, left side, rear side of main part 95.Main part 95 is in inside points Branch is two groups of pipe, and right installing port 96, left installing port 97, rear installing port 98 are connected in main part 95.Delivery pipe 84 One end be connected with the left installing port 97 of connector 94.Delivery pipe 84 extends in engine base portion 2 to the left of connector 94.Conveying The other end of pipe 84 is connected with the horizontal feed axis 43 of cloth pushing table driving mechanism 40.Behind one end of delivery pipe 85 and connector 94 Installing port 98 is connected.Delivery pipe 85 extends in engine base portion 2 to the left back of connector 94.The other end and work feed of delivery pipe 85 The conveying axis up and down 42 of platform driving mechanism 40 is connected.

It is installed with wick 88 in the inside of 83~delivery pipe of delivery pipe 85 and connector 94.Wick 88 is from delivery pipe 83 via confession Expose in oil vessel 100 to hole 122.The end of wick 88 across shuttle oil region 130 top, and it is solid using screw 108B Due to the boss set on the second bottom wall 108 in driving oil region 140 (with reference to Fig. 4).Therefore, oil vessel 100, which maintains, makes lamp Core 88 is dipped in the state of lubricating oil always.Wick 88 is extended to from delivery pipe 84 in horizontal feed axis 43, and is prolonged from delivery pipe 85 It reaches in conveying axis 42 up and down.Oil vessel 100 comes by using the wick fuel feeding of the capillarity of wick 88 to cloth pushing table Driving mechanism 40 supplies lubricating oil.The oil feed pump 150 of oil supply mechanism 80, which is supplied via delivery pipe 86 to main driving mechanism 34, to be lubricated Oil.Delivery pipe 86 configures in column sections 3, and oil feed pump 150 and supply unit 92 are connected.Supply unit 92 has in right side Hole 92A.Supply unit 92 obtains the lubricating oil sent out by oil feed pump 150 and conveyed by delivery pipe 86 from hole 92A.Supply unit 92 is to setting Lubricating oil is conveyed in the oil supplying hole in upper rotary shaft 35.Oil supplying hole is in upper rotary shaft 35 along the axis of upper rotary shaft 35 in left and right Side upwardly extends.Oil supplying hole has opening, oil supplying hole will be in supply unit 92 and partially near eccentric part 39, bevel gear 35A respectively Center portion 39, bevel gear 35A are nearby connected.When upper rotary shaft 35 rotates, the lubricating oil for flowing through oil supplying hole is overflowed from opening, By eccentric part 39 and bevel gear 35A wettings.Bevel gear 35A and bevel gear 36A can be inhibited by being supplied to the lubricating oil of bevel gear 35A Between frictional heat, burning phenomenon can be prevented.Along with the rotation of bevel gear 35A and bevel gear 36A, lubricating oil variation is mist Shape is simultaneously discharged to surrounding.Misty lubricating oil disperses into column sections 3, by wettings such as bevel gear 36B, bevel gear 37A.Lubricating oil It can inhibit the frictional heat between bevel gear 36B and bevel gear 37A, burning phenomenon can be prevented.It is dispersing into column sections 3 Lubricating oil when falling on lower section, the oil vessel 100 positioned at the lower section of column sections 3 receives and stores lubricating oil.Oil vessel 100 will be stored It is recycled in the lubricating oil received in oily region 125, to which lubricating oil is in the interior cycle of sewing machine 1.

The delivery pipe 87 of oil supply mechanism 80 supplies lubricating oil to thread take-up tension lever driving mechanism 70 and needle bar drive device 75.Conveying Pipe 87 is piped in horn portion 4.One end of delivery pipe 87 extends in column sections 3, the other end and the supply unit 76 of delivery pipe 87 It is connected.Supply unit 76 is located at the top portion 5, and will be from the lubricating oil that delivery pipe 86 conveys to thread take-up tension lever driving mechanism 70 and needle Bar driving mechanism 75 supplies.Wick 89 is installed in the inside of delivery pipe 87 (with reference to Fig. 5).Wick 89 is from conveying in column sections 3 One end of pipe 87 is exposed, and the end of the wick 89 of exposing is located at the top of oil vessel 100.It is dispersed with mist in column sections 3 A part for lubricating oil is attached to the end of the wick 89 exposed in column sections 3.Delivery pipe 87 is by using wick 89 The wick fuel feeding of capillarity to convey lubricating oil to supply unit 76.Supply unit 76 drives to thread take-up tension lever driving mechanism 70 and shank Motivation structure 75 supplies lubricating oil.Wick 89 is not the state for being dipped in lubricating oil always.Therefore, delivery pipe 87 can inhibit to supply The amount for the lubricating oil that portion 76 conveys.

As described above, sewing machine 1 is vibrated in driving, and the pasta of the lubricating oil in oil vessel 100 is caused to shake It is dynamic.The lubricating oil for being supplied to eccentric part 39 and bevel gear 35A disperses in column sections 3 and falls on lower section, becomes via opening portion 27 Pasta is fallen on for oil droplet.The oil droplet that opposed member 141 can prevent the pasta in vibration from splashing and flying to inlet 24 reaches note Entrance 24.Therefore, it can prevent from lubricating if even if inlet 24 is the state oil supply mechanism 80 opened when sewing machine 1 drives Oil is from inlet 24 to the External leakage of sewing machine 1.

Opposed member 141 extends upward from the second bottom wall 108.Therefore, even if being accommodated in the lubrication in oil vessel 100 When the amount of oil is amount, that is, lower limit amount of the bottom line needed for the driving of sewing machine 1, opposite face 141A is also centainly in and is dipped in profit The state of lubricating oil.That is, gap is not present between the lower end and pasta of opposed member 141.The oil droplet to drip via opening portion 27 Even if splashing in pasta, it will not pass through between the lower end and pasta of opposed member 141, will not splash to inlet.Therefore, i.e., It is the state opened to make the inlet 24 when sewing machine 1 drives, and oil supply mechanism 80 can also further prevent lubricating oil from injection External leakage of the mouth 24 to sewing machine 1.

Lubricating oil is injected into when oil vessel 100, the operator of sewing machine 1 makes sewing machine 1 become tilt state, and will note Enter and is inserted into inlet 24 with nozzle 156.The lubricating oil that nozzle tip 156A sprays meets opposite face 141A, and along opposite face 141A It is flowed into oil vessel 100.Since the upper end 141B of opposite face 141A is between inlet 24 and opening portion 27, Even if being bound to meet opposite face 141A if the impetus for the lubricating oil that nozzle tip 156A sprays powerful lubricating oil.Lubricating oil is not Opposite face 141A can be crossed and fly to opening portion 27.Therefore, oil supply mechanism 80 can be reliable by the lubricating oil injected from inlet 24 Ground is accommodated in oil vessel 100.

Compared with the case where inlet 24 is set to the side of oil vessel 100, by the way that inlet 24 is set to engine base portion 2 The antetheca 26A of fixed part 22 can make inlet 24 be located at the position upward far from oil surface level when completely measuring.Even if oil droplet It splashes in pasta and is also difficult to reach the height of inlet 24.Therefore, even if inlet 24 is the shape opened when sewing machine drives State, oil supply mechanism 80 can also prevent lubricating oil from inlet 24 to the External leakage of sewing machine 1.

The utility model can also make various changes in addition to the above embodiment.Inlet 24, which can also be set to oil, to be held The side of device 100.Opposed member 141 can also be to the left protrusively provided from right wall 104.At this point, the upper end of opposed member 141 Portion 141B intersects with imaginary line B.Opposed member 141 can also be set to the fixed part 22 in engine base portion 2.At this point, opposed member 141 lower end extends downwards, in the lower limit needed for the driving that the amount for being accommodated in the lubricating oil of oil vessel 100 is sewing machine 1 When amount, opposite face 141A is bound to be dipped in lubricating oil.

The upper end 141B of opposed member 141 can not also be located at the top of imaginary line B.At this point, for opposed member 141 For, opposite face 141A and 24 face of inlet, on the direction orthogonal with the opening direction of inlet 24, opposite face 141 Length is more than the size of inlet 24.

Oil feed pump 150 can not also be set.At this point, delivery pipe 86 will connect in oil vessel 100 with supply unit 92, supply Pump identical with plunger pump 91 is set in inside to portion 92.Amount of the delivery pipe 86 in the lubricating oil for being accommodated in oil vessel 100 It is dipped in lubricating oil when lower limit amount needed for the driving for sewing machine 1.

Opposed member 141 is not limited to plate, can also be bulk.Can also be that setting partition wall is opposite to substitute Component 141, partition wall separate in the region for being connected to inlet 24 with oily region 125 is received.

In the above description, main driving mechanism 34 is equivalent to " the fuel feeding object " of the utility model.Oil feed pump 150 and confession It is equivalent to portion 92 " feed mechanism " of the utility model.Engine base 21 is equivalent to " upper surface " in the engine base portion of the utility model. Second bottom wall 108 is equivalent to " bottom wall " of the utility model.Antetheca 26A is equivalent to " side wall " in the engine base portion of the utility model.

Claims (12)

1. a kind of oil supply mechanism of sewing machine, has：Oil vessel (100) is set to the engine base portion of sewing machine and is accommodated with profit Lubricating oil；And feed mechanism (92,150), the lubricating oil for being used to be accommodated in the oil vessel is to fuel feeding object (34) Supply,

The oil supply mechanism of the sewing machine is characterized in that,

The lower section for the opening portion that the oil vessel is open positioned at the upper surface (21) in the engine base portion, and the oil vessel Top opens,

The fuel feeding object is located at the top of the opening portion,

The lubricating oil that the feed mechanism is supplied to the fuel feeding object is dripped via the opening portion to the oil vessel Under,

The oil supply mechanism is equipped with：

Inlet (24), on the lower and the position of the pasta than being accommodated in the lubricating oil in the oil vessel than the opening portion The position for resting against top is set to the sewing machine, and by the inside and outside connection of the sewing machine；And

Opposed member (141), with opposite face (141A), the opposite face is for the inlet in the sewing machine Private side and be it is opposite with the inlet close to the position of the inlet in the following position directly than the opening portion,

On the direction orthogonal with the opening direction of the inlet, the length of the opposite face is more than the big of the inlet It is small.

2. the oil supply mechanism of sewing machine according to claim 1, which is characterized in that

The amount that the lower end of the opposite face of the opposed member is located at the lubricating oil than being accommodated in the oil vessel is described The position of the position of pasta when amount, that is, lower limit amount of the bottom line needed for the driving of sewing machine on the lower.

3. the oil supply mechanism of sewing machine according to claim 2, which is characterized in that

The opposed member protrudes upward from the bottom wall (108) of the oil vessel.

4. the oil supply mechanism of sewing machine according to claim 1, which is characterized in that

The sewing machine can switch between erected state and tilt state, which is from described in the engine base portion The state that the column sections of setting vertically extend is erect in the position of opening portion, the tilt state be the column sections relative to The state that the erected state is toppled over to the direction opposite with the inlet,

When the sewing machine is the tilt state, lubricating oil can be injected the oil vessel via the inlet,

The upper end of the opposite face of the opposed member connect the inside side edge part of the inlet and described with straight line The obtained imaginary line of inside side edge part (B) of opening portion intersects.

5. the oil supply mechanism of sewing machine according to claim 2, which is characterized in that

The sewing machine can switch between erected state and tilt state, which is from described in the engine base portion The state that the column sections of setting vertically extend is erect in the position of opening portion, the tilt state be the column sections relative to The state that the erected state is toppled over to the direction opposite with the inlet,

When the sewing machine is the tilt state, lubricating oil can be injected the oil vessel via the inlet,

The upper end of the opposite face of the opposed member connect the inside side edge part of the inlet and described with straight line The obtained imaginary line of inside side edge part (B) of opening portion intersects.

6. the oil supply mechanism of sewing machine according to claim 3, which is characterized in that

The sewing machine can switch between erected state and tilt state, which is from described in the engine base portion The state that the column sections of setting vertically extend is erect in the position of opening portion, the tilt state be the column sections relative to The state that the erected state is toppled over to the direction opposite with the inlet,

When the sewing machine is the tilt state, lubricating oil can be injected the oil vessel via the inlet,

The upper end of the opposite face of the opposed member connect the inside side edge part of the inlet and described with straight line The obtained imaginary line of inside side edge part (B) of opening portion intersects.

7. according to the oil supply mechanism of sewing machine according to any one of claims 1 to 6, which is characterized in that

The oil vessel is fixed on the engine base portion,

The inlet is opened in the side wall (26A) in the engine base portion above the oil vessel.

8. a kind of oil vessel of sewing machine, which is set to the engine base portion of sewing machine and is accommodated with lubricating oil, feature It is,

The lower section for the opening portion that the oil vessel is open positioned at the upper surface (21) in the engine base portion, and the oil vessel Top opens,

Fuel feeding object (34) is located at the top of the opening portion,

The lubricating oil for being supplied to the fuel feeding object drips via the opening portion to the oil vessel,

The oil vessel is equipped with opposed member (141), which has opposite face (141A), and the opposite face is relative to than institute State opening portion on the lower and the position of the pasta than being accommodated in the lubricating oil in oil vessel position against the top be set to it is described For the inlet (24) of sewing machine, the sewing machine private side and be close in the following position directly than the opening portion The position of the inlet is opposite with the inlet, and the surface area of the opposite face is more than the opening face of the inlet Product.

9. the oil vessel of sewing machine according to claim 8, which is characterized in that

The amount that the lower end of the opposite face of the opposed member is located at the lubricating oil than being accommodated in the oil vessel is described The position of the position of pasta when amount, that is, lower limit amount of the bottom line needed for the driving of sewing machine on the lower.

10. the oil vessel of sewing machine according to claim 9, which is characterized in that

The opposed member protrudes upward from the bottom wall (108) of the oil vessel.

11. the oil vessel of sewing machine according to any one of claims 8 to 10, which is characterized in that

The sewing machine can switch between erected state and tilt state, which is from described in the engine base portion The state that the column sections of setting vertically extend is erect in the position of opening portion, the tilt state be the column sections relative to The state that the erected state is toppled over to the direction opposite with the inlet,

When the sewing machine is the tilt state, lubricating oil can be injected the oil vessel via the inlet,

The upper end of the opposite face of the opposed member connect the inside side edge part of the inlet and described with straight line The obtained imaginary line of inside side edge part (B) of opening portion intersects.

12. a kind of sewing machine, which has：Oil supply mechanism (80) has the oil vessel and use for being accommodated with lubricating oil In the feed mechanism (92,150) that the lubricating oil that will be accommodated in the oil vessel is supplied to fuel feeding object (34)；And engine base The oil vessel is arranged in the engine base portion in portion,

The sewing machine is characterized in that,

The lower section for the opening portion that the oil vessel is open positioned at the upper surface (21) in the engine base portion, and the oil vessel Top opens,

The fuel feeding object is located at the top of the opening portion,

The lubricating oil that the feed mechanism is supplied to the fuel feeding object is dripped via the opening portion to the oil vessel Under,

The oil supply mechanism is equipped with：

Inlet (24), on the lower and the position of the pasta than being accommodated in the lubricating oil in the oil vessel than the opening portion The position for resting against top is set to the sewing machine, and by the inside and outside connection of the sewing machine；And

Opposed member (141), with opposite face (141A), the opposite face is for the inlet in the sewing machine Private side and be opposite with the inlet close to the position of the inlet in the following position directly than the opening portion, and And the surface area of the opposite face is more than the opening area of the inlet.