CN111850860B - Internal lubricating mechanism of sewing machine - Google Patents
Internal lubricating mechanism of sewing machine Download PDFInfo
- Publication number
- CN111850860B CN111850860B CN202010659444.1A CN202010659444A CN111850860B CN 111850860 B CN111850860 B CN 111850860B CN 202010659444 A CN202010659444 A CN 202010659444A CN 111850860 B CN111850860 B CN 111850860B
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- Prior art keywords
- oil
- fixedly connected
- sewing machine
- block
- oiling
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- 238000009958 sewing Methods 0.000 title claims abstract description 46
- 230000001050 lubricating effect Effects 0.000 title abstract description 5
- 238000007599 discharging Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 47
- 239000010985 leather Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 234
- 239000010687 lubricating oil Substances 0.000 abstract description 44
- 239000012634 fragment Substances 0.000 description 9
- 238000000605 extraction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an internal lubricating mechanism of a sewing machine, which comprises an oil filling structure of the sewing machine, wherein the oil filling structure of the sewing machine comprises an oil filling main body, an oil discharge pipe and an exhaust pipe, the oiling main body comprises a piston, a shell frame, an oil groove, an oil discharging cylinder, a shell, a drawing rod and a spring, one end of the oil discharge pipe is fixedly connected with the rear part of the lower end of the oil discharge cylinder, the inner space of the oil discharge pipe is communicated with the inner space of the oil discharge cylinder, the other end of the oil discharge pipe is fixedly connected with one end of an exhaust pipe, the exhaust pipe is communicated with the inner space of the oil discharge pipe, one end of the exhaust pipe is fixedly connected with the front end of the shell frame, the inner space of the exhaust pipe is communicated with the inner space of the shell frame, the piston sliding seal is arranged on the inner wall of the oil groove, the piston is matched with the inner wall sliding seal of the oil discharging cylinder, and the oil groove is formed in the inner end of the shell frame. The invention can improve the oiling efficiency of the lubricating oil and better meet the use requirement.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment of sewing machines, in particular to an internal lubricating mechanism of a sewing machine.
Background
When adding lubricating oil, the conventional sewing machine needs to manually and sequentially inject lubricating oil into an oil filling hole of the sewing machine, and the lubricating oil needs to be added to the point every time, so that the problem that the work of adding the lubricating oil to the sewing machine is complex is caused, and a scheme capable of relieving the problem is urgently needed.
Disclosure of Invention
The present invention is directed to an internal lubrication mechanism of a sewing machine to solve the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: an internal lubricating mechanism of a sewing machine comprises an oil injection structure of the sewing machine; the sewing machine oil injection structure comprises an oil injection main body, an oil discharge pipe and an exhaust pipe, wherein the oil injection main body comprises a piston, a shell frame, an oil groove, an oil discharge cylinder, a shell, a pull rod and a spring, one end of the oil discharge pipe is fixedly connected to the rear part of the lower end of the oil discharge cylinder, the inner space of the oil discharge pipe is communicated with the inner space of the oil discharge cylinder, the other end of the oil discharge pipe is fixedly connected to one end of the exhaust pipe, the exhaust pipe is communicated with the inner space of the oil discharge pipe, one end of the exhaust pipe is fixedly connected to the front end of the shell frame, the inner space of the exhaust pipe is communicated with the inner space of the shell frame, the piston is arranged on the inner wall of the oil groove in a sliding and sealing mode, the oil groove is arranged at the inner end of the shell frame, the rear end of the shell frame is fixedly connected to the front end of the oil discharge cylinder, and the shell frame is communicated with the inner space of the oil discharge cylinder, the utility model discloses a piston oil drain device, including shell, oil drain pipe, pull pole, spring activity, shell sliding contact, the front end fixed connection of oil drain pipe is at the front end of shell, the front end fixed connection of pull pole is at the rear end of piston, the spring activity cup joints the rear portion of installing at the pull pole, spring and shell sliding contact, the rear end fixed mounting of the front end of spring through oil drain pipe, the rear end fixed mounting of pull pole is passed through to the rear end of spring, the outer wall slidable mounting of pull pole is between oil drain pipe and shell, the inner wall of oil groove and the inside phase-match of oil drain pipe, the even fixedly connected with notes oil pipe of lower extreme of oil drain pipe, the inner space of notes oil pipe link up with the inner space of oil drain pipe and link to each other.
Preferably, the oiling structure of the sewing machine further comprises a locking main body, the locking main body comprises a thread block, the front end of the thread block is fixedly connected to the rear end of the drawing rod, the outer end of the thread block is in threaded connection with the inner wall of the rear end of the shell, and the rear end of the spring is fixedly connected to the front end of the thread block.
Preferably, the oiling structure of the sewing machine further comprises a limiting main body, the limiting main body comprises a threaded rod, a nut and a fixing frame, the threaded rod is installed on the inner wall of the nut in a threaded mode, the lower end of the nut is fixedly connected to the upper end of the fixing frame, the lower end of the fixing frame is fixedly connected to the upper wall of the oil discharging barrel, and the rear end of the threaded rod is matched with the rear end of the threaded block in a shielding and supporting mode.
Preferably, the oiling structure of the sewing machine further comprises a sealing main body, the sealing main body comprises a pressing block, a fixing block, a sealing cover, a rotating shaft seat, a swinging block, a connecting block and a rotating shaft, the pressing block is rotatably installed at the upper end of the rotating shaft, the lower end of the rotating shaft is fixedly connected to the upper end of the side part of the fixing block, the lower end of the pressing block is slidably extruded with the fixing block, the lower end of the fixing block is fixedly connected to the upper end of the casing frame, the upper end of the sealing cover is fixedly connected to the lower end of the connecting block, the lower end of the rotating shaft seat is fixedly connected to the upper end of the casing frame, the outer wall of the sealing cover is slidably sealed and clamped on the inner wall of the upper part of the oil groove, the inner side wall of the sealing cover is slidably and sealingly installed with the piston, one side end of the swinging block is rotatably installed at the inner end of the upper part of the rotating shaft seat, and the upper end of the connecting block is fixedly connected to the lower end of the swinging block, the other side of the swinging block is slidably clamped on the inner wall of the upper part of the fixed block, and the swinging block is in sliding contact with the pressing block.
Preferably, the oiling structure of the sewing machine further comprises an oil blocking valve, the oil blocking valve comprises three sealing elastic sheets, the three sealing elastic sheets are mutually sealed and extruded together, the upper ends of the sealing elastic sheets are fixedly connected to the lower end of the oil filling pipe, and the sealing elastic sheets and the oil filling pipe are fixedly connected into a whole.
Preferably, the oiling main body further comprises a baffle ring, the baffle ring is fixedly connected to the rear end of the oil discharging barrel, the front end of the spring is fixedly connected to the rear end of the baffle ring, and the pull rod is slidably mounted on the inner wall of the baffle ring.
Preferably, the locking body further comprises a first knob fixedly connected to the rear end of the screw block.
Preferably, the limiting main body further comprises a second knob, and the second knob is fixedly connected to the rear end of the threaded rod.
Preferably, the sealing body further comprises a handle, and the handle is fixedly connected to one end, back to the rotating shaft seat, of the swinging block.
Preferably, the sealing main body further comprises a leather strip, the leather strip is fixedly wrapped on the outer wall of the sealing cover, and the leather strip is matched with the oil groove in a sliding sealing mode.
Compared with the prior art, the invention has the following beneficial effects:
1. in the using process, the oil filling pipe is firstly respectively plugged into an oil filling hole of the sewing machine, then the pull rod is pushed forwards, the main body compression spring is locked to enable the spring to contract and store energy, then the lubricating oil is poured into the oil groove and flows into the oil discharging cylinder through the oil groove, then the pull rod is loosened to drive the pull rod to move forwards by utilizing the elasticity of the spring, the piston is driven by the pull rod to slide forwards along the inner wall of the oil groove, the lubricating oil in the oil groove is pushed into the oil discharging cylinder by the piston until the piston slides into the inner wall of the oil discharging cylinder, the piston is driven by the spring through the pull rod to squeeze the lubricating oil in the oil discharging cylinder, the lubricating oil is pressed into the hole at the lower end of the oil discharging cylinder by the piston, the lubricating oil enters the oil filling pipe through the oil discharging pipe, the gas in the oil discharging pipe is led into the shell frame by the exhaust pipe and is discharged through the shell frame, make lubricating oil can fill the oil drain pipe full, after lubricating oil enters into the blast pipe, the logical oil area through the blast pipe diminishes, has increased the resistance for the oil drain pipe to make lubricating oil in the oil drain pipe enter into in the oiling pipe, enter into the sewing machine through the oiling pipe, reach the purpose that once only refuels for a plurality of target oil filler point, after oil passed the blast pipe, utilize the oil groove to retrieve lubricating oil.
2. Before the work of oiling needs to be carried out in the oil groove inside, earlier manually push away the screw thread piece to shell rear end inner wall, twist the screw thread piece into the shell inner wall again, utilize the screw thread piece to drive the pull pole and drive the front end that the second knob slided into the oil groove along oil drain cylinder inner wall, when there is lubricating oil in the oil groove front end, discharge oil to the upside of oil groove through the piston and flow back to the rear portion of oil groove again, utilize the screw thread piece to be in the same place with the shell screw thread installation, prevent that the pull pole from removing backward with the help of the elasticity of spring, thereby the work of oiling of oil groove has been made things convenient for, after the work of oiling of oil groove, again with the screw thread piece twist out can.
3. When the user needs to increase the oil pressing range of the piston, the threaded rod is manually screwed backwards, the distance between the rear end of the threaded rod and the threaded block is increased, the threaded rod is used for blocking the threaded block after the spring drives the pulling rod and the threaded block to move backwards, the purpose of limiting the oil pressing range of the piston is achieved, when the user needs to reduce the oil discharging range, the reverse operation in the same way can be performed, and therefore the oil discharging amount of the piston is conveniently controlled by the user.
4. Before the work of oiling at the oil groove, turn to the lateral part with the briquetting earlier, turn over the swing piece to the lateral part again, utilize the swing piece to drive sealed lid through the connecting block and turn to side, the work of oiling is carried out to the oil groove again, after the work of oiling is accomplished at the oil groove, the sealed main part of the reverse operation of the same reason resumes sealed main part again, make sealed lid joint seal the upper end at the oil groove again, upper end through sealed lid sealed oil groove, thereby prevented inside accumulational lubricating oil of oil groove outside the last oil groove, make the lubricating oil in the oil groove enter into the inside of arranging an oil cylinder completely, thereby the oil extraction work efficiency of piston has been improved.
5. When oil discharge pipe oil discharge work, utilize the gap between the sealed shell fragment to discharge earlier the intraductal gas of oiling, fill out to the inside of oiling pipe and sealed shell fragment and satisfy oily back, utilize sealed shell fragment to increase oil and hinder to make the intraductal lubricating oil of oil discharge can normally fill into other notes flow pipes, improved the degree of consistency of oiling through hindering the oil valve.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the disassembled structure of the main body of the present invention;
FIG. 3 is a schematic view of a split structure of the oiling body of the present invention;
FIG. 4 is a schematic view of the locking body of the present invention in a disassembled configuration;
FIG. 5 is a schematic view of a structure of a main body for limiting according to the present invention;
FIG. 6 is a schematic view of the seal body of the present invention;
fig. 7 is a schematic structural view of the oil check valve of the present invention.
In the figure: 1. an oiling structure of the sewing machine; 2. oiling the main body; 3. a locking body; 4. a limiting main body; 5. a sealing body; 6. an oil blocking valve; 7. a piston; 8. a housing; 9. an oil sump; 10. an oil discharge cylinder; 11. a baffle ring; 12. a housing; 13. a pull rod; 14. a spring; 15. a first knob; 16. a thread block; 17. a second knob; 18. a threaded rod; 19. a nut; 20. a fixed mount; 21. briquetting; 22. a handle; 23. a fixed block; 24. a sealing cover; 25. a leather strip; 26. a rotating shaft seat; 27. a swing block; 28. connecting blocks; 29. a rotating shaft; 30. the elastic sheet is sealed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships that are relative to each other, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or components must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
Referring to fig. 1-7, an embodiment of the present invention is shown: an internal lubrication mechanism of a sewing machine comprises an oiling structure 1 of the sewing machine; the sewing machine oiling structure 1 comprises an oiling main body 2, an oil discharge pipe and an exhaust pipe, wherein the oiling main body 2 comprises a piston 7, a shell frame 8, an oil groove 9, an oil discharge cylinder 10, a shell 12, a pull rod 13 and a spring 14, one end of the oil discharge pipe is fixedly connected to the rear part of the lower end of the oil discharge cylinder 10, the inner space of the oil discharge pipe is communicated with the inner space of the oil discharge cylinder 10, the other end of the oil discharge pipe is fixedly connected to one end of the exhaust pipe, the exhaust pipe is communicated with the inner space of the oil discharge pipe, one end of the exhaust pipe is fixedly connected to the front end of the shell frame 8, the inner space of the exhaust pipe is communicated with the inner space of the shell frame 8, the piston 7 is installed on the inner wall of the oil groove 9 in a sliding and sealing mode, the piston 7 is matched with the inner wall of the oil discharge cylinder 10 in a sliding and sealing mode, the oil groove 9 is arranged at the inner end of the shell frame 8, the rear end of the shell frame 8 is fixedly connected to the front end of the oil discharge cylinder 10, the shell frame 8 is communicated with the inner space of the oil discharge cylinder 10, the rear end of the oil discharge cylinder 10 is fixedly connected to the front end of the shell 12, the front end of the pull rod 13 is fixedly connected to the rear end of the piston 7, the spring 14 is movably sleeved at the rear end of the pull rod 13, the spring 14 is in sliding contact with the shell 12, the front end of the spring 14 is fixedly installed through the rear end of the oil discharge cylinder 10, the rear end of the spring 14 is fixedly installed through the rear end of the pull rod 13, the outer wall of the pull rod 13 is slidably installed between the oil discharge cylinder 10 and the shell 12, the inner wall of the oil groove 9 is matched with the interior of the oil discharge cylinder 10, the lower end of the oil discharge pipe is uniformly and fixedly connected with an oil injection pipe, and the interior space of the oil injection pipe is communicated with the interior space of the oil discharge pipe; in the using process, firstly, the oil filling pipes are respectively plugged into oil filling holes of a sewing machine, then the pull-push rod 13 is pushed forwards, the locking main body 3 is utilized to compress the spring, the spring is contracted to store energy, then, lubricating oil is poured into the oil groove 9 and flows into the oil discharging cylinder 10 through the oil groove 9, then, the pull-push rod 13 is loosened, the pull-push rod 13 is utilized to drive the pull-push rod 13 to move forwards by utilizing the elasticity of the spring 14, the pull-push rod 13 drives the piston 7 to slide forwards along the inner wall of the oil groove 9, so that the piston 7 pushes the lubricating oil in the oil groove 9 into the oil discharging cylinder 10, until the piston 7 slides into the inner wall of the oil discharging cylinder 10, the spring 14 is utilized to pull the piston 7 to extrude the lubricating oil in the oil discharging cylinder 10 through the pull-push rod 13, the piston 7 is utilized to press the lubricating oil into the holes at the lower end of the oil discharging cylinder 10, the lubricating oil filling pipes are entered into the oil filling pipes through the oil filling pipes, and the gas in the oil discharging pipes is led into the shell frame 8 through the exhaust pipes, and discharge through the shell frame 8 for lubricating oil can be full of the oil drain pipe packing, and after lubricating oil entered into the blast pipe, the logical oil area through the blast pipe diminishes, has increased the resistance for the oil drain pipe, thereby makes lubricating oil in the oil drain pipe enter into the oiling pipe, enters into the sewing machine through the oiling pipe, reaches the purpose of once only refueling for a plurality of target oil filler point, after oil passed the blast pipe, utilizes oil groove 9 to retrieve lubricating oil.
The oiling structure 1 of the sewing machine further comprises a locking main body 3, the locking main body 3 comprises a thread block 16, the front end of the thread block 16 is fixedly connected to the rear end of the drawing rod 13, the outer end of the thread block 16 is in threaded installation with the inner wall of the rear end of the shell 12, and the rear end of the spring 14 is fixedly connected to the front end of the thread block 16; before the work of oiling needs to be carried out in oil groove 9 inside, firstly, manually push away screw block 16 to shell 12 rear end inner wall, twist screw block 16 to shell 12 inner wall again, utilize screw block 16 to drive pull pole 13 and drive the front end that second knob 17 slided into oil groove 9 along oil drain cylinder 10 inner wall, when there is lubricating oil in oil groove 9 front end, arrange oil to the upside of oil groove 9 through piston 7 and flow back to the rear portion of oil groove 9 again, utilize screw block 16 and shell 12 threaded mounting together, prevent that pull pole 13 from moving backward with the help of the elasticity of spring 14, thereby made things convenient for the work of oiling of oil groove 9, after oil work completion in oil groove 9, it can to unscrew screw block 16 again.
The oiling structure 1 of the sewing machine further comprises a limiting main body 4, the limiting main body 4 comprises a threaded rod 18, a nut 19 and a fixing frame 20, the threaded rod 18 is installed on the inner wall of the nut 19 in a threaded mode, the lower end of the nut 19 is fixedly connected to the upper end of the fixing frame 20, the lower end of the fixing frame 20 is fixedly connected to the upper wall of the oil discharging barrel 10, and the rear end of the threaded rod 18 is matched with the rear end of the threaded block 16 in a shielding and supporting mode; when a user needs to increase the oil pressing range of the piston 7, the threaded rod 18 is manually screwed backwards, the distance between the rear end of the threaded rod 18 and the threaded block 16 is increased, after the spring 14 drives the pull rod 13 and the threaded block 16 to move backwards, the threaded rod 18 is used for blocking the threaded block 16, the purpose of limiting the oil pressing range of the piston 7 is achieved, when the user needs to reduce the oil discharging range, the same principle is performed in the reverse direction, and therefore the user can conveniently control the oil discharging amount of the piston 7.
The oiling structure 1 of the sewing machine further comprises a sealing main body 5, the sealing main body 5 comprises a pressing block 21, a fixing block 23, a sealing cover 24, a rotating shaft seat 26, a swinging block 27, a connecting block 28 and a rotating shaft 29, the pressing block 21 is rotatably installed at the upper end of the rotating shaft 29, the lower end of the rotating shaft 29 is fixedly connected to the upper end of the side part of the fixing block 23, the lower end of the pressing block 21 and the fixing block 23 are extruded together in a sliding mode, the lower end of the fixing block 23 is fixedly connected to the upper end of a shell frame 8, the upper end of the sealing cover 24 is fixedly connected to the lower end of the connecting block 28, the lower end of the rotating shaft seat 26 is fixedly connected to the upper end, back to the fixing block 23, the outer wall of the sealing cover 24 is clamped on the inner wall of the upper part of an oil groove 9 in a sliding and sealing, the other side of the swinging block 27 is slidably clamped on the inner wall of the upper part of the fixed block 23, and the swinging block 27 is in sliding contact with the pressing block 21; before the work of oiling at oil groove 9, turn to the lateral part with briquetting 21 earlier, turn over swing block 27 to the lateral part again, utilize swing block 27 to drive sealed lid 24 through connecting block 28 and turn to the side, the work of oiling is carried out to oil groove 9 again, after the work of oiling is accomplished at oil groove 9, the sealed main part 5 of the same reason reverse operation resumes sealed main part 5 again, make sealed lid 24 joint seal the upper end at oil groove 9 again, the upper end through sealed lid 24 sealed oil groove 9, thereby prevented that inside accumulational lubricating oil of oil groove 9 from going up outside oil groove 9, make the lubricating oil in the oil groove 9 enter into the inside of oil drain cylinder 10 completely, thereby the oil extraction work efficiency of piston 7 has been improved.
The sewing machine oiling structure 1 further comprises an oiling valve 6, the oiling valve 6 comprises three sealing elastic sheets 30, the three sealing elastic sheets 30 are mutually sealed and extruded together, the upper ends of the sealing elastic sheets 30 are fixedly connected to the lower end of the oiling pipe, and the sealing elastic sheets 30 and the oiling pipe are fixedly connected into a whole; when oil discharge pipe oil discharge work, utilize the gap between sealed shell fragment 30 to discharge earlier the intraductal gas of oiling, fill out to the inside of oiling pipe and sealed shell fragment 30 and satisfy oily back, utilize sealed shell fragment 30 to increase oil and hinder to make the intraductal lubricating oil of oil discharge can normally fill into other notes flow pipes, improved the degree of consistency of oiling through hindering oil valve 6.
The oil injection main body 2 further comprises a baffle ring 11, the baffle ring 11 is fixedly connected to the rear end of the oil discharge barrel 10, the front end of a spring 14 is fixedly connected to the rear end of the baffle ring 11, and a pull rod 13 is slidably mounted on the inner wall of the baffle ring 11.
The locking body 3 further comprises a first knob 15, the first knob 15 being fixedly connected to the rear end of the threaded block 16.
The spacing body 4 further comprises a second knob 17, and the second knob 17 is fixedly connected to the rear end of the threaded rod 18.
The sealing body 5 further comprises a handle 22, and the handle 22 is fixedly connected to one end of the swinging block 27, which is opposite to the rotating shaft seat 26.
The sealing main body 5 further comprises a leather strip 25, the leather strip 25 is fixedly wrapped on the outer wall of the sealing cover 24, and the leather strip 25 is matched with the oil groove 9 in a sliding sealing mode.
The working principle is as follows: in the using process, firstly, the oil filling pipes are respectively plugged into oil filling holes of a sewing machine, then the pull-push rod 13 is pushed forwards, the locking main body 3 is utilized to compress the spring, the spring is contracted to store energy, then, lubricating oil is poured into the oil groove 9 and flows into the oil discharging cylinder 10 through the oil groove 9, then, the pull-push rod 13 is loosened, the pull-push rod 13 is utilized to drive the pull-push rod 13 to move forwards by utilizing the elasticity of the spring 14, the pull-push rod 13 drives the piston 7 to slide forwards along the inner wall of the oil groove 9, so that the piston 7 pushes the lubricating oil in the oil groove 9 into the oil discharging cylinder 10, until the piston 7 slides into the inner wall of the oil discharging cylinder 10, the spring 14 is utilized to pull the piston 7 to extrude the lubricating oil in the oil discharging cylinder 10 through the pull-push rod 13, the piston 7 is utilized to press the lubricating oil into the holes at the lower end of the oil discharging cylinder 10, the lubricating oil filling pipes are entered into the oil filling pipes through the oil filling pipes, and the gas in the oil discharging pipes is led into the shell frame 8 through the exhaust pipes, and is discharged through the shell frame 8, so that the oil discharge pipe can be filled with lubricating oil, after the lubricating oil enters the exhaust pipe, the oil passing area through the exhaust pipe becomes small, the resistance is increased relative to the oil discharge pipe, so that the lubricating oil in the oil discharge pipe enters the oil filling pipe and enters the sewing machine through the oil filling pipe, the purpose of filling oil for a plurality of target oil filling holes at one time is achieved, after the oil passes through the exhaust pipe, the lubricating oil is recovered by using the oil groove 9, before oiling work needs to be carried out in the oil groove 9, the thread block 16 is firstly manually pushed into the inner wall of the rear end of the shell 12, then the thread block 16 is screwed into the inner wall of the shell 12, the pull rod 13 is driven by the thread block 16 to drive the second knob 17 to slide into the front end of the oil groove 9 along the inner wall of the oil discharge cylinder 10, when the lubricating oil exists at the front end of the oil groove 9, the oil is discharged to the upper side of the oil groove 9 through the piston 7 and then flows back to the rear part of the oil groove 9, the screw block 16 is installed together with the shell 12 by screw thread, the pull rod 13 is prevented from moving backwards by the aid of the elastic force of the spring 14, thereby the oiling work of the oil groove 9 is facilitated, after the oiling work of the oil groove 9 is completed, the screw block 16 can be screwed out, when a user needs to increase the oil pressing range of the piston 7, the screw rod 18 is screwed backwards manually, the distance between the rear end of the screw rod 18 and the screw block 16 is increased, after the spring 14 drives the pull rod 13 and the screw block 16 to move backwards, the screw block 16 is blocked by the screw rod 18, the purpose of limiting the oil pressing range of the piston 7 is achieved, when the user needs to reduce the oil discharging range, the same principle and reverse operation are achieved, thereby the user is facilitated to control the oil discharging amount of the piston 7, before the oiling work of the oil groove 9, the press block 21 is firstly turned to the side part, then the swing block 27 is turned to the side part, the swing block 27 is used for driving the sealing cover 24 to turn to the side part through the connecting block 28, carry out the work of oiling to oil groove 9 again, after the work of oiling is accomplished at oil groove 9, the sealed main part 5 of the reverse operation of the same reason resumes sealed main part 5 again, make sealed lid 24 joint seal the upper end at oil groove 9 again, upper end through sealed lid 24 sealed oil groove 9, thereby prevented that the inside accumulational lubricating oil of oil groove 9 from going up outside oil groove 9, make the inside that lubricating oil in the oil groove 9 enters into oil drain cylinder 10 completely, thereby piston 7's oil extraction work efficiency has been improved, when oil drain pipe oil extraction work, utilize the gap between sealed shell fragment 30 to discharge the gas in the oiling pipe earlier, after the inside of reaching oiling pipe and sealed shell fragment 30 fills out and satisfies oil, utilize sealed shell fragment 30 to increase the oil resistance, thereby make the lubricating oil in the oiling pipe can normally fill in other notes flow tube, the degree of consistency of oiling has been improved through hindering oil valve 6.
Claims (8)
1. The utility model provides an interior lubricated mechanism of sewing machine, includes sewing machine oiling structure (1), its characterized in that: the sewing machine oiling structure (1) comprises an oiling main body (2), an oil discharge pipe and an exhaust pipe, wherein the oiling main body (2) comprises a piston (7), a shell frame (8), an oil groove (9), an oil discharge cylinder (10), a shell (12), a pull rod (13) and a spring (14), one end of the oil discharge pipe is fixedly connected to the rear part of the lower end of the oil discharge cylinder (10), the inner space of the oil discharge pipe is communicated with the inner space of the oil discharge cylinder (10), the other end of the oil discharge pipe is fixedly connected to one end of the exhaust pipe, the exhaust pipe is communicated with the inner space of the oil discharge pipe, one end of the exhaust pipe is fixedly connected to the front end of the shell frame (8), the inner space of the exhaust pipe is communicated with the inner space of the shell frame (8), the piston (7) is installed on the inner wall of the oil groove (9) in a sliding sealing mode, and the piston (7) is matched with the inner wall, the oil groove (9) is arranged at the inner end of the shell frame (8), the rear end of the shell frame (8) is fixedly connected with the front end of the oil discharging cylinder (10), the shell frame (8) is communicated with the inner space of the oil discharging cylinder (10), the rear end of the oil discharging cylinder (10) is fixedly connected with the front end of the shell (12), the front end of the drawing rod (13) is fixedly connected with the rear end of the piston (7), the spring (14) is movably sleeved and installed at the rear part of the drawing rod (13), the spring (14) is in sliding contact with the shell (12), the front end of the spring (14) is fixedly installed through the rear end of the oil discharging cylinder (10), the rear end of the spring (14) is fixedly installed through the rear end of the drawing rod (13), the outer wall of the drawing rod (13) is slidably installed between the oil discharging cylinder (10) and the shell (12), and the inner wall of the oil groove (9) is matched with the inner part of the oil discharging cylinder (10), the lower end of the oil discharge pipe is uniformly and fixedly connected with an oil injection pipe, and the inner space of the oil injection pipe is communicated with the inner space of the oil discharge pipe; the oiling structure (1) of the sewing machine further comprises a locking main body (3), the locking main body (3) comprises a thread block (16), the front end of the thread block (16) is fixedly connected to the rear end of the drawing rod (13), the outer end of the thread block (16) is in threaded installation with the inner wall of the rear end of the shell (12), and the rear end of the spring (14) is fixedly connected to the front end of the thread block (16); the oiling structure (1) of the sewing machine further comprises a limiting main body (4), the limiting main body (4) comprises a threaded rod (18), a nut (19) and a fixing frame (20), the threaded rod (18) is installed on the inner wall of the nut (19) in a threaded mode, the lower end of the nut (19) is fixedly connected to the upper end of the fixing frame (20), the lower end of the fixing frame (20) is fixedly connected to the upper wall of the oil discharging cylinder (10), and the rear end of the threaded rod (18) and the rear end of the threaded block (16) are shielded, supported and matched.
2. The internal lubrication mechanism of a sewing machine according to claim 1, wherein: the oiling structure (1) of the sewing machine further comprises a sealing main body (5), the sealing main body (5) comprises a pressing block (21), a fixing block (23), a sealing cover (24), a rotating shaft seat (26), a swinging block (27), a connecting block (28) and a rotating shaft (29), the pressing block (21) is rotatably installed at the upper end of the rotating shaft (29), the lower end of the rotating shaft (29) is fixedly connected to the upper end of the side part of the fixing block (23), the lower end of the pressing block (21) is in sliding extrusion with the fixing block (23), the lower end of the fixing block (23) is fixedly connected to the upper end of the shell frame (8), the upper end of the sealing cover (24) is fixedly connected to the lower end of the connecting block (28), the lower end of the rotating shaft seat (26) is fixedly connected to the upper end, back to the fixing block (23), of the outer wall of the sealing cover (24) is in sliding sealing and clamping connection with the inner wall of the upper part of the oil groove (9), the inside wall of sealed lid (24) and piston (7) sliding seal install together, one side end of swing piece (27) is rotated and is installed in the upper portion inner of pivot seat (26), the upper end fixed connection of connecting block (28) is at the lower extreme of swing piece (27), the other side sliding joint of swing piece (27) is at the upper portion inner wall of fixed block (23), swing piece (27) and briquetting (21) sliding contact.
3. The internal lubrication mechanism of a sewing machine according to claim 1, wherein: the oiling structure (1) of the sewing machine further comprises an oiling valve (6), the oiling valve (6) comprises a sealing elastic sheet (30), the sealing elastic sheet (30) is three, the three sealing elastic sheets (30) are mutually sealed and extruded together, the upper end of each sealing elastic sheet (30) is fixedly connected to the lower end of the oiling pipe, and the sealing elastic sheets (30) are fixedly connected with the oiling pipe into a whole.
4. The internal lubrication mechanism of a sewing machine according to claim 1, wherein: the oiling main body (2) further comprises a blocking ring (11), the blocking ring (11) is fixedly connected to the rear end of the oil discharging barrel (10), the front end of the spring (14) is fixedly connected to the rear end of the blocking ring (11), and the drawing rod (13) is slidably mounted on the inner wall of the blocking ring (11).
5. The internal lubrication mechanism of a sewing machine according to claim 1, wherein: the locking main body (3) further comprises a first knob (15), and the first knob (15) is fixedly connected to the rear end of the thread block (16).
6. The internal lubrication mechanism of a sewing machine according to claim 1, wherein: the limiting main body (4) further comprises a second knob (17), and the second knob (17) is fixedly connected to the rear end of the threaded rod (18).
7. The internal lubrication mechanism of a sewing machine according to claim 2, wherein: the sealing main body (5) further comprises a handle (22), and the handle (22) is fixedly connected to one end, back to the rotating shaft seat (26), of the swinging block (27).
8. The internal lubrication mechanism of a sewing machine according to claim 2, wherein: sealed main part (5) still include leather strap (25), leather strap (25) fixed parcel is at the outer wall of sealed lid (24), leather strap (25) and oil groove (9) sliding seal match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659444.1A CN111850860B (en) | 2020-07-09 | 2020-07-09 | Internal lubricating mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659444.1A CN111850860B (en) | 2020-07-09 | 2020-07-09 | Internal lubricating mechanism of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111850860A CN111850860A (en) | 2020-10-30 |
| CN111850860B true CN111850860B (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010659444.1A Expired - Fee Related CN111850860B (en) | 2020-07-09 | 2020-07-09 | Internal lubricating mechanism of sewing machine |
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| CN (1) | CN111850860B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3810898B2 (en) * | 1997-08-20 | 2006-08-16 | Ｊｕｋｉ株式会社 | Sewing machine oiling device |
| CN2597812Y (en) * | 2002-11-15 | 2004-01-07 | 杜彦亭 | Grease injector with adjustable internal grease tube pushing force |
| CN206191238U (en) * | 2016-10-10 | 2017-05-24 | 深圳市达润机电有限公司 | Grease pump |
| CN106514495B (en) * | 2016-12-30 | 2018-11-09 | 青岛理工大学 | Expansion machine driven refrigeration low-temperature cooling nano particle jet flow minimal quantity lubrication supply system |
| CN206626372U (en) * | 2017-03-15 | 2017-11-10 | 响水爱特纺织有限公司 | A kind of textile machine oiling device |
| CN110373830A (en) * | 2018-04-12 | 2019-10-25 | 徐州鑫凯科技咨询服务有限公司 | A kind of industrial sewing machine lubricating arrangement |
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2020
- 2020-07-09 CN CN202010659444.1A patent/CN111850860B/en not_active Expired - Fee Related
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| CN111850860A (en) | 2020-10-30 |
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