Unpowered permanent magnet automatic oiling device

Abstract

The invention relates to the technical field of oiling devices, in particular to an unpowered permanent magnet automatic oiling device which comprises an oil storage mechanism used for storing lubricating grease and an oil outlet mechanism. The oil storage mechanism comprises an oil storage barrel and a sealing partition plate fixedly arranged on the inner wall of the oil storage barrel, the bottom end of the oil storage barrel is of a funnel-shaped structure, an oil outlet pipe is arranged at the bottom end of the oil storage barrel, and an oil conveying hose is arranged at the bottom end of the oil outlet pipe; the oil outlet mechanism comprises a fixed magnetic ring fixedly arranged on the outer surface of the bottom end of the oil storage barrel and a movable magnetic ring arranged on the outer surface of the oil storage barrel in a sliding mode. By arranging the oil storage mechanism and the oil outlet mechanism, the device can utilize magnetic attraction to drive and control slow displacement of the strong magnetic piston, continuous and uniform injection of lubricating grease is achieved, excessive lubrication or dry friction is avoided, a power source or an air source is not needed, and the device is suitable for occasions where electricity is inconvenient or space is limited and is compact in structure, few in parts, convenient to install and maintain and low in cost. The method is suitable for batch deployment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil injection devices, in particular to a non-powered permanent magnet automatic oil injection device. BACKGROUND

[0002] During the operation of industrial equipment, the lubrication state of rotating parts such as bearings directly affects the service life and operation efficiency of the equipment. In order to ensure the long-term stable operation of the equipment, it is necessary to periodically or continuously supplement the lubricating grease to the bearings.

[0003] The common lubrication methods at present include manual oiling, electric oiling pump, pneumatic oil injector, etc. However, these methods generally have the following problems: manual oiling depends on personnel management, and has the disadvantages of untimely oiling or excessive oiling; electric or pneumatic oil injection devices need external energy support, and have complex structure and high cost, and are difficult to use in some occasions where wiring or power supply is not suitable.

[0004] Therefore, the present application provides a non-powered permanent magnet automatic oil injection device. SUMMARY

[0005] The purpose of the present application is to solve at least one technical problem proposed in the background art.

[0006] The present application provides a non-powered permanent magnet automatic oil injection device, which comprises a grease storage mechanism for storing lubricating grease and an oil outlet mechanism. The grease storage mechanism comprises a grease storage cylinder and a sealing partition plate fixed to the inner wall of the grease storage cylinder. The bottom end of the grease storage cylinder is in a funnel shape, and the bottom end of the grease storage cylinder is provided with an oil outlet pipe, and the bottom end of the oil outlet pipe is provided with an oil delivery hose. The surface of the oil outlet pipe is provided with a valve. The oil outlet mechanism comprises a fixed magnetic ring fixed to the outer surface of the bottom end of the grease storage cylinder, and a movable magnetic ring slidingly arranged on the outer surface of the grease storage cylinder. The fixed magnetic ring and the movable magnetic ring are both permanent magnets, and the magnetic poles of the fixed magnetic ring and the movable magnetic ring are opposite. The oil outlet mechanism further comprises a strong magnetic piston slidingly arranged on the inner wall of the grease storage cylinder, and an oil outlet hole opened in the lower surface of the sealing partition plate. The strong magnetic piston and the movable magnetic ring are magnetically connected by magnetic attraction. The inner top wall of the grease storage cylinder is provided with a vent hole.

[0007] By adopting the technical scheme, in actual use, the movable magnetic ring can gradually move downwards under the magnetic attraction of the fixed magnetic ring, and in the process of moving downwards of the movable magnetic ring, the strong magnetic piston can be driven to move downwards automatically due to the magnetic attraction between the strong magnetic piston and the movable magnetic ring, in the process of moving downwards of the strong magnetic piston, the lubricating grease in the oil storage cylinder can be squeezed out through the oil outlet hole into the oil outlet pipe and then injected into the bearing seat through the oil delivery hose, thereby achieving the effect of slow oil injection without power, and the device can be driven by magnetic attraction to control slow displacement of the strong magnetic piston, realize continuous and uniform injection of the lubricating grease, avoid excessive lubrication or dry friction, and does not need power supply or gas source, which is suitable for occasions where electricity is not convenient or space is limited, and the device has compact structure, few parts, and is convenient to install and maintain, and is suitable for batch deployment.

[0008] Preferably, the upper surface of the strong magnetic piston is provided with two symmetrical mounting holes, and the inner walls of the two mounting holes are both fixedly provided with an oil injection pipe, the top end of the oil injection pipe extends to the upper surface of the oil storage cylinder and is provided with a sealing plug, and the inner top wall of the oil storage cylinder is provided with a sliding hole in sliding connection with the outer surfaces of the two oil injection pipes, and the surfaces of the two oil injection pipes are both provided with an oil injection check valve.

[0009] By adopting the technical scheme, the oil injection pipe can be used to inject lubricating grease into the oil storage cylinder, and the oil injection check valve can prevent backflow of the lubricating grease in the oil injection pipe.

[0010] Preferably, the top end of the oil injection pipe is fixedly provided with a connecting disc, and the surface of the oil injection pipe is sleeved with a tension spring, one end of the tension spring is fixedly connected with the upper surface of the oil storage cylinder, and the other end of the tension spring is fixedly connected with the lower surface of the connecting disc.

[0011] By adopting the technical scheme, in the process of moving downwards of the strong magnetic piston, the oil injection pipe can be driven to slide downwards, and as the movable magnetic ring gradually approaches the fixed magnetic ring, the magnetic attraction between the movable magnetic ring and the fixed magnetic ring gradually increases, so that the speed of the movable magnetic ring gradually increases, and in this process, part of the magnetic attraction can be offset under the restoring force of the tension spring, so that the movable magnetic ring can always slide downwards at a constant speed, thereby ensuring the stability of oil injection.

[0012] Preferably, the outer surface of the oil storage cylinder is provided with an alarm mechanism, the alarm mechanism comprises a contact switch fixedly arranged on the upper surface of the fixed magnetic ring and an alarm device fixedly arranged on the tapered surface of the bottom end of the oil storage cylinder, and the contact switch is signal connected with the alarm device through a wire.

[0013] By adopting the technical scheme, when the lubricating grease in the oil storage cylinder is exhausted, the movable magnetic ring will contact the fixed magnetic ring and press the contact switch on the fixed magnetic ring, so that the contact switch automatically controls the alarm device to alarm, reminding personnel to inject lubricating grease.

[0014] Preferably, the outer surface of the oil storage cylinder is provided with a fixing mechanism, the fixing mechanism comprises a fixing disc arranged on the outer surface of the oil storage cylinder and a limiting disc fixed on the outer surface of the top end of the oil storage cylinder, the inner part of the fixing disc is respectively provided with a sector-shaped opening and a sector-shaped cavity, the inner wall of the sector-shaped opening is rotatably provided with two symmetrical rotating shafts, the surfaces of the two rotating shafts are respectively fixed with L-shaped mounting rods, and the ends of the two L-shaped mounting rods are respectively fixed with arc-shaped fixing plates used for clamping and fixing the oil storage cylinder.

[0015] By adopting the above technical scheme, the rotation of the two L-shaped mounting rods can drive the two arc-shaped fixing plates to effectively clamp and fix the top of the oil storage cylinder.

[0016] Preferably, the fixing mechanism further comprises a threaded column rotatably arranged on the inner wall of the sector-shaped opening and a sliding block slidingly arranged on the inner wall of the sector-shaped opening, the surface of the sliding block is provided with a threaded hole in threaded connection with the outer surface of the threaded column, the surface of the sliding block is provided with two symmetrical rotating grooves, the ends of the two L-shaped mounting rods are respectively fixed with rotating frames, the inner wall of the rotating frame is rotatably provided with a top rod through a first rotating rod, and the other end of the top rod is rotatably connected with the inner wall of the rotating groove through a second rotating rod.

[0017] By adopting the above technical scheme, the rotation of the threaded column can drive the sliding block to move, the movement of the sliding block can drive the ends of the two L-shaped mounting rods through the two top rods, so that the two L-shaped mounting rods can rotate around the two rotating shafts respectively, and the automatic opening and closing of the arc-shaped fixing plates can be realized.

[0018] Preferably, the upper surface of the fixing disc is rotatably provided with a rotating disc used for driving the threaded column to rotate, the upper surface of the rotating disc is rotatably provided with a crank handle, one end of the threaded column extends into the inside of the sector-shaped cavity and is fixed with a connecting shaft, the inner top wall of the sector-shaped cavity is rotatably provided with a vertical shaft extending to the upper surface of the fixing disc, the rotating disc is fixed at the top end of the vertical shaft, and the bottom end of the vertical shaft and the surface of the connecting shaft are respectively fixed with conical gears in meshing connection.

[0019] By adopting the above technical scheme, the rotation of the rotating disc can drive the connecting shaft to rotate under the action of the two conical gears, so that the threaded column can be automatically rotated.

[0020] Preferably, the side surface of the fixing disc is provided with a connecting mechanism used for connecting the fixing disc with external equipment, the connecting mechanism comprises a mounting seat arranged on the side surface of the fixing disc, the outer surface of the mounting seat is fixed with a mounting ring, and the outer surface of the mounting ring is circumferentially arranged with a plurality of mounting holes used for fixing the mounting ring and the mounting seat on the surface of the equipment.

[0021] By adopting the technical scheme, the mounting seat can be mounted on a suitable position on the equipment through the mounting bolt during installation.

[0022] Preferably, the surface of the fixing disc is fixedly provided with a fixing tube, the end of the fixing tube is fixedly provided with a plug-in disc, the surface of the mounting seat is provided with an annular plug-in slot matched with the plug-in disc, the inner part of the plug-in disc is respectively provided with a mounting cavity and an annular cavity, the inner wall of the annular cavity is circumferentially provided with four rectangular openings, and the inner wall of each of the four rectangular openings is slidably provided with a rectangular locking block.

[0023] By adopting the technical scheme, when the plug-in disc is inserted into the annular plug-in slot, the rectangular locking block can be moved and inserted into the rectangular locking slot, thereby effectively fixing the plug-in disc and the mounting seat.

[0024] Preferably, the inner wall of the mounting cavity is circumferentially rotatably provided with four threaded rods extending into the interior of the annular cavity, the end of each of the four rectangular locking blocks is provided with a cylindrical threaded groove threadedly connected with the outer surface of the threaded rod, the end of the connecting shaft away from the threaded column penetrates through the interior of the fixing tube and extends into the interior of the mounting cavity, the end of the connecting shaft is fixedly provided with a driving bevel gear disc, and the end of each of the four threaded rods is fixedly provided with a driven bevel gear meshed with the driving bevel gear disc; the inner wall of the annular cavity is circumferentially fixedly provided with four limiting rods, the surface of each of the four limiting rods is slidably provided with a limiting block, and the end of the limiting block is fixedly connected with the surface of each of the four rectangular locking blocks.

[0025] By adopting the technical scheme, the rotation of the connecting shaft can drive the four threaded rods to rotate simultaneously, thereby automatically and synchronously moving the four rectangular locking blocks outward, and the limiting block and the limiting rod effectively ensure the stability of the rectangular locking block during movement.

[0026] In summary, the present application has at least one of the following beneficial technical effects: 1. The unpowered permanent magnet automatic oil injection device described in the application, by setting the oil storage mechanism and the oil outlet mechanism, the device can gradually move down under the action of the magnetic attraction of the fixed magnetic ring in the actual use process. In the process of the movable magnetic ring moving down, the strong magnetic piston can be automatically moved down due to the magnetic attraction between the strong magnetic piston and the movable magnetic ring. In the process of the strong magnetic piston moving down, the lubricating grease in the oil storage cylinder can be squeezed out through the oil outlet hole into the oil outlet pipe, and then injected into the bearing seat through the oil delivery hose to form the effect of unpowered slow oil injection. Thus, the device can be driven by magnetic attraction to control the slow displacement of the strong magnetic piston, realize the continuous and uniform injection of lubricating grease, avoid excessive lubrication or dry friction, and does not require power or gas source, which is suitable for occasions with inconvenient electricity or limited space. At the same time, the device has compact structure, few parts, and is easy to install and maintain, and is suitable for batch deployment.

[0027] 2. The unpowered permanent magnet automatic oil injection device described in the application, by setting the fixing mechanism, when installing the device, the oil storage cylinder can be placed in the middle of the two arc-shaped fixed plates, and the rotating disc is rotated by rotating the handle. The rotation of the rotating disc drives the connecting shaft to rotate under the action of the two bevel gears, the rotation of the connecting shaft drives the threaded column to rotate, the rotation of the threaded column drives the sliding block to move, the movement of the sliding block drives the end of the L-shaped mounting rod to be moved, so that the L-shaped mounting rod rotates around the rotating shaft, and then the two L-shaped mounting rods drive the two arc-shaped fixed plates to rotate simultaneously to the middle and contact and wrap the top outer surface of the oil storage cylinder, realizing effective clamping and fixing of the oil storage cylinder.

[0028] 3. The unpowered permanent magnet automatic oil injection device described in the application, by setting the connecting mechanism, before installing the device, the mounting seat and the mounting ring are installed at the appropriate position of the equipment by bolts. In the process of fixing the oil storage cylinder, the fixed disc is inserted into the annular insertion slot on the mounting seat through the insertion disc. In the process of driving the connecting shaft to rotate by the rotating disc, the rotation of the connecting shaft can drive the driving bevel gear disc to rotate, the rotation of the driving bevel gear disc can drive the four driven bevel gears to rotate, so that the four threaded rods can be driven to rotate simultaneously. The rotation of the threaded rod drives the rectangular locking block to move outward under the action of the cylindrical threaded groove, and inserts into the rectangular locking groove on the inner wall of the annular insertion slot, realizing effective locking and fixing of the insertion disc, and then realizing quick connection of the fixed disc and the mounting seat. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is the overall structure schematic diagram of the first embodiment of the application; Figure 2 is the rear view structure schematic diagram of the first embodiment of the application; Figure 3 is the cross-sectional structure schematic diagram of the first embodiment of the application; Figure 4 is the overall structure schematic view of embodiment two of the present application; Figure 5 is the fixed mechanism and connecting mechanism three-dimensional structure schematic view in embodiment two of the present application; Figure 6 is the fixed disc profile structure schematic view in embodiment two of the present application; Figure 7 is the enlarged structure schematic view at A in embodiment two of the present application; Figure 6 Figure 8 is the mounting seat and fixed disc profile structure schematic view in embodiment two of the present application; Figure 9 is the enlarged structure schematic view at B in embodiment two of the present application. Figure 8

[0030] BRIEF DESCRIPTION OF DRAWINGS 100, oil storage mechanism; 101, oil storage cylinder; 102, sealed partition; 103, oil outlet pipe; 104, oil delivery hose; 105, valve; 200, oil outlet mechanism; 201, fixed magnetic ring; 202, movable magnetic ring; 203, strong magnetic piston; 204, oil outlet hole; 205, air vent hole; 206, oil injection pipe; 207, sealing plug; 208, oil injection one-way valve; 209, connecting disc; 2010, tension spring; 300, alarm mechanism; 301, contact switch; 302, alarm; 400, fixed mechanism; 401, fixed disc; 402, limiting disc; 403, fan-shaped opening; 404, fan-shaped cavity; 405, rotating shaft; 406, L-shaped mounting rod; 407, arc-shaped fixed plate; 408, threaded column; 409, sliding block; 4010, jacking rod; 4011, rotating disc; 4012, connecting shaft; 4013, conical gear; 500, connecting mechanism; 501, mounting seat; 502, mounting ring; 503, fixed pipe; 504, plug-in disc; 505, annular plug-in slot; 506, mounting cavity; 507, annular cavity; 508, rectangular locking block; 509, rectangular locking slot; 5010, threaded rod; 5011, cylindrical threaded slot; 5012, driving bevel gear disc; 5013, driven bevel gear; 5014, limiting rod; 5015, limiting block. DETAILED DESCRIPTION

[0031] The present application will be further described in detail below. Figures 1 to 9

[0032] Embodiment one Please focus on Figure 1 , Figure 2 , Figure 3 ​​​The application discloses a no-power permanent magnet automatic oil injection device, which comprises an oil storage mechanism 100 and an oil outlet mechanism 200.

[0033] Specifically, during actual use, the movable magnetic ring 202 can be gradually moved downwards under the magnetic attraction of the fixed magnetic ring 201, and in the process of moving downwards, the strong magnetic piston 203 can be automatically moved downwards under the magnetic attraction of the movable magnetic ring 202, in the process of moving downwards, the grease in the oil storage cylinder 101 can be squeezed out to the oil outlet pipe 103 through the oil outlet hole 204, and then injected into the bearing seat through the oil conveying hose 104, so that the no-power slow oil injection effect is realized, and then the device can be driven by magnetic attraction to control the slow displacement of the strong magnetic piston 203, realize the continuous and uniform injection of the grease, avoid excessive lubrication or dry friction, and does not need power supply or gas source, so that the device is suitable for occasions with inconvenient electricity or limited space, and the device has compact structure, few parts, convenient installation and maintenance, and is suitable for batch deployment.

[0034] Please refer to Figure 2 , Figure 3 , the upper surface of the strong magnetic piston 203 is provided with two symmetrical mounting holes, the inner walls of the two mounting holes are both fixedly provided with an oil injection pipe 206, the top end of the oil injection pipe 206 extends to the upper surface of the oil storage cylinder 101 and is provided with a sealing plug 207, the inner top wall of the oil storage cylinder 101 is provided with a sliding hole in sliding connection with the outer surfaces of the two oil injection pipes 206, and the surfaces of the two oil injection pipes 206 are both provided with an oil injection one-way valve 208.

[0035] Specifically, the oil injection pipe 206 can be used for adding the grease into the oil storage cylinder 101, and the oil injection one-way valve 208 can prevent the backflow of the grease in the oil injection pipe 206.

[0036] Please refer toFigure 2 , Figure 3 The top end outer surface of the oil injection pipe 206 is fixedly provided with a connecting disc 209, and the surface of the oil injection pipe 206 is sleeved with a tension spring 2010, one end of the tension spring 2010 is fixedly connected with the upper surface of the oil storage cylinder 101, and the other end of the tension spring 2010 is fixedly connected with the lower surface of the connecting disc 209.

[0037] Specifically, the strong magnetic piston 203 can drive the oil injection pipe 206 to slide downward in the process of moving downward, and as the movable magnetic ring 202 gradually approaches the fixed magnetic ring 201, the suction force between the movable magnetic ring 202 and the fixed magnetic ring 201 gradually increases, so that the speed of the movable magnetic ring 202 moving downward gradually increases. In this process, part of the magnetic suction force can be offset under the resetting force of the tension spring 2010, so that the movable magnetic ring 202 can always slide downward at a constant speed, thereby ensuring the stability of oil injection.

[0038] Please refer to Figure 2 , Figure 3 The outer surface of the oil storage cylinder 101 is provided with an alarm mechanism 300, the alarm mechanism 300 includes a contact switch 301 fixedly arranged on the upper surface of the fixed magnetic ring 201, and an alarm 302 fixedly arranged on the tapered surface of the bottom end of the oil storage cylinder 101, and the contact switch 301 is signal connected with the alarm 302 through a wire.

[0039] Specifically, when the lubricating grease in the oil storage cylinder 101 is discharged, the movable magnetic ring 202 will contact the fixed magnetic ring 201 at this time, and press the contact switch 301 on the fixed magnetic ring 201, so that the contact switch 301 automatically controls the alarm 302 to alarm, reminding personnel to add lubricating grease.

[0040] Embodiment two Based on embodiment one, referring to Figures 4 to 9 and different from embodiment one: Please refer to Figure 5 , Figure 6 The outer surface of the oil storage cylinder 101 is provided with a fixing mechanism 400, the fixing mechanism 400 includes a fixing disc 401 arranged on the outer surface of the oil storage cylinder 101, and a limiting disc 402 fixedly arranged on the top end outer surface of the oil storage cylinder 101, the inner part of the fixing disc 401 is respectively provided with a fan-shaped opening 403 and a fan-shaped cavity 404, the inner wall of the fan-shaped opening 403 is rotatably provided with two symmetrical shafts 405, the surfaces of the two shafts 405 are both fixedly provided with L-shaped mounting rods 406, and the end portions of the two L-shaped mounting rods 406 are both fixedly provided with arc-shaped fixing plates 407 for clamping and fixing the oil storage cylinder 101.

[0041] Specifically, the rotation of the two L-shaped mounting rods 406 can drive the two arc-shaped fixing plates 407 to effectively clamp and fix the top of the oil storage cylinder 101.

[0042] Please focus on referring to Figure 6 , Figure 7 , the fixing mechanism 400 further comprises a threaded column 408 rotatably arranged on the inner wall of the fan-shaped opening 403, and a sliding block 409 slidably arranged on the inner wall of the fan-shaped opening 403, the surface of the sliding block 409 is provided with a threaded hole in threaded connection with the outer surface of the threaded column 408, the surface of the sliding block 409 is provided with two symmetrical rotating grooves, and the end surfaces of the two L-shaped mounting rods 406 are fixedly provided with rotating frames, the inner wall of the rotating frame is rotatably provided with a top rod 4010 through a first rotating rod, and the other end of the top rod 4010 is rotatably connected with the inner wall of the rotating groove through a second rotating rod.

[0043] Specifically, the threaded column 408 can drive the sliding block 409 to move, the movement of the sliding block 409 can drive the two ends of the two L-shaped mounting rods 406 to be jacked by the two top rods 4010, so that the two L-shaped mounting rods 406 can rotate around the two rotating shafts 405 respectively, and automatic opening and closing of the arc-shaped fixing plates 407 can be realized.

[0044] Please focus on referring to Figure 6 , Figure 7 , the upper surface of the fixing disc 401 is rotatably provided with a rotating disc 4011 for driving the threaded column 408 to rotate, the upper surface of the rotating disc 4011 is rotatably provided with a crank, one end of the threaded column 408 extends to the inside of the fan-shaped cavity 404 and is fixedly provided with a connecting shaft 4012, the inner top wall of the fan-shaped cavity 404 is rotatably provided with a vertical shaft extending to the upper surface of the fixing disc 401, the rotating disc 4011 is fixedly arranged at the top end of the vertical shaft, and the bottom end of the vertical shaft and the surface of the connecting shaft 4012 are fixedly provided with intermeshing conical gears 4013.

[0045] Specifically, the connecting shaft 4012 can be driven to rotate under the action of the two conical gears 4013 during the rotation of the rotating disc 4011, so that the threaded column 408 can be automatically rotated.

[0046] In the present application, by arranging the fixing mechanism 400, when the device is installed, the oil storage cylinder 101 can be placed in the middle of the two arc-shaped fixing plates 407 first, and the rotating disc 4011 is rotated by the crank, the rotation of the rotating disc 4011 drives the connecting shaft 4012 to rotate under the action of the two conical gears 4013, the rotation of the connecting shaft 4012 drives the threaded column 408 to rotate, the rotation of the threaded column 408 drives the sliding block 409 to move, the movement of the sliding block 409 drives the top rod 4010 to jack the end of the L-shaped mounting rod 406, so that the L-shaped mounting rod 406 rotates around the rotating shaft 405, and then the two L-shaped mounting rods 406 drive the two arc-shaped fixing plates 407 to rotate to the middle at the same time, and contact and wrap the outer surface of the top of the oil storage cylinder 101, so as to effectively clamp and fix the oil storage cylinder 101.

[0047] Please focus on Figure 4 , Figure 8 , the side of the fixed disc 401 is provided with a connecting mechanism 500 for connecting the fixed disc 401 with external equipment, the connecting mechanism 500 comprises a mounting seat 501 provided on the side of the fixed disc 401, the outer surface of the mounting seat 501 is fixedly provided with a mounting ring 502, and the outer surface of the mounting ring 502 is circumferentially provided with a plurality of mounting holes for fixing the mounting ring 502 and the mounting seat 501 on the surface of equipment.

[0048] Specifically, during installation, the mounting seat 501 can be installed on the appropriate position of the equipment through mounting bolts.

[0049] Please focus on Figure 8 , Figure 9 , the surface of the fixed disc 401 is fixedly provided with a fixed pipe 503, the end of the fixed pipe 503 is fixedly provided with a plug-in disc 504, the surface of the mounting seat 501 is provided with an annular plug-in slot 505 matched with the plug-in disc 504, the inner part of the plug-in disc 504 is respectively provided with a mounting cavity 506 and an annular cavity 507, the inner wall of the annular cavity 507 is circumferentially provided with four rectangular openings, and the inner wall of the four rectangular openings is slidably provided with a rectangular locking block 508, and the inner ring surface of the annular plug-in slot 505 is provided with a rectangular locking groove 509 matched with the rectangular locking block 508.

[0050] Specifically, after the plug-in disc 504 is inserted into the annular plug-in slot 505, the effective fixation between the plug-in disc 504 and the mounting seat 501 can be realized by moving the rectangular locking block 508 and inserting it into the rectangular locking groove 509.

[0051] Please focus on Figure 8 , Figure 9 , the inner wall of the mounting cavity 506 is circumferentially rotatably provided with four threaded rods 5010 extending into the interior of the annular cavity 507, the end of each of the four rectangular locking blocks 508 is provided with a cylindrical threaded groove 5011 threadedly connected with the outer surface of the threaded rod 5010, one end of the connecting shaft 4012 away from the threaded column 408 penetrates the interior of the fixed pipe 503 and extends into the interior of the mounting cavity 506, the end of the connecting shaft 4012 is fixedly provided with a driving bevel gear disc 5012, and the end of each of the four threaded rods 5010 is fixedly provided with a driven bevel gear 5013 meshing with the driving bevel gear disc 5012; the inner wall of the annular cavity 507 is circumferentially fixedly provided with four limiting rods 5014, the surface of each of the four limiting rods 5014 is slidably provided with a limiting block 5015, and the end of the limiting block 5015 is fixedly connected with the surface of each of the four rectangular locking blocks 508.

[0052] Specific, can be driven by the rotation of the connecting shaft 4012 four threaded rods 5010 at the same time, thereby enabling four rectangular locking block 508 automatic synchronization to the outside of the move, and the setting of the limiting block 5015 and limiting rod 5014 effectively guarantee the stability of the rectangular locking block 508 when moving.

[0053] Wherein, the present application by setting the connecting mechanism 500, in the device before installation, first by bolt mounting seat 501 and mounting ring 502 installed in the appropriate position of the equipment, in the process of fixed oil cylinder 101, first through the disc 401 by inserting disc 504 inserted in the mounting seat 501 on the ring-shaped slot 505, in the process of rotating disc 4011 drive connecting shaft 4012 rotation, the rotation of the connecting shaft 4012 can drive the driving bevel gear disc 5012 rotation, the rotation of the driving bevel gear disc 5012 drive four driven bevel gear 5013 rotation, thereby enabling four threaded rods 5010 at the same time, the rotation of the threaded rod 5010 under the action of cylindrical threaded groove 5011 rectangular locking block 508 move outward, and insert into the annular insertion groove 505 inner wall of the rectangular locking groove 509, realize the effective locking of the inserting disc 504, and then realize the quick connection of the fixed disc 401 and mounting seat 501.

[0054] Working principle: In actual use, the movable magnetic ring 202 can gradually move downwards under the magnetic attraction of the fixed magnetic ring 201. During the downward movement of the movable magnetic ring 202, the strong magnetic piston 203 can be driven to move downwards automatically due to the magnetic attraction between the strong magnetic piston 203 and the movable magnetic ring 202. During the downward movement of the strong magnetic piston 203, the lubricating grease in the oil storage cylinder 101 can be squeezed out through the oil outlet hole 204 into the oil outlet pipe 103, and then injected into the bearing seat through the oil delivery hose 104, thereby achieving the effect of slow oil injection without power. Thus, the device can be driven by magnetic attraction to control the slow displacement of the strong magnetic piston 203, thereby realizing the continuous and uniform injection of lubricating grease and avoiding excessive lubrication or dry friction. Moreover, the device does not require power or gas supply, is suitable for occasions where electricity is not available or space is limited, has a compact structure, few components, and is easy to install and maintain, is suitable for batch deployment, and when installing the device, the oil storage cylinder 101 can be placed in the middle of the two arc-shaped fixed plates 407, and then the rotating disc 4011 is rotated by the crank handle. The rotation of the rotating disc 4011 drives the connecting shaft 4012 to rotate under the action of the two bevel gears 4013, the rotation of the connecting shaft 4012 drives the threaded column 408 to rotate, the rotation of the threaded column 408 drives the sliding block 409 to move, the movement of the sliding block 409 drives the top rod 4010 to move the end of the L-shaped mounting rod 406, thereby causing the L-shaped mounting rod 406 to rotate around the rotating shaft 405, and then causing the two L-shaped mounting rods 406 to drive the two arc-shaped fixed plates 407 to rotate simultaneously towards the middle and contact and wrap the top outer surface of the oil storage cylinder 101, thereby achieving effective clamping and fixing of the oil storage cylinder 101. Meanwhile, before installing the device, the mounting seat 501 and the mounting ring 502 are installed at appropriate positions of the equipment by bolts. During the fixing of the oil storage cylinder 101, the fixed disc 401 is inserted into the annular insertion groove 505 on the mounting seat 501 by the insertion disc 504. During the rotation of the connecting shaft 4012 driven by the rotating disc 4011, the rotation of the connecting shaft 4012 drives the driving bevel gear disc 5012 to rotate, the rotation of the driving bevel gear disc 5012 drives the four driven bevel gears 5013 to rotate, thereby driving the four threaded rods 5010 to rotate simultaneously. The rotation of the threaded rods 5010 drives the rectangular locking block 508 to move outward under the action of the cylindrical threaded groove 5011, and then the rectangular locking block 508 is inserted into the rectangular locking groove 509 on the inner wall of the annular insertion groove 505, thereby achieving effective locking and fixing of the insertion disc 504, and then achieving the quick connection of the fixed disc 401 and the mounting seat 501.

[0055] The embodiments of the specific implementation are the preferred embodiments of the present application, but do not limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. Automatic oil filling device for unpowered permanent magnets, characterized in that: It comprises an oil storage mechanism (100) and an oil outlet mechanism (200) for storing grease; The oil storage mechanism (100) comprises an oil storage cylinder (101) and a sealing partition (102) fixedly mounted on the inner wall of the oil storage cylinder (101); the bottom end of the oil storage cylinder (101) is a funnel-shaped structure, and an oil outlet pipe (103) is provided at the bottom end of the oil storage cylinder (101); an oil delivery hose (104) is provided at the bottom end of the oil outlet pipe (103); and a valve (105) is provided on the surface of the oil outlet pipe (103); The oil outlet mechanism (200) includes a fixed magnetic ring (201) fixed on the outer surface of the bottom end of the oil storage cylinder (101), and a movable magnetic ring (202) slidably arranged on the outer surface of the oil storage cylinder (101), wherein the fixed magnetic ring (201) and the movable magnetic ring (202) are both permanent magnets, and the magnetic poles of the fixed magnetic ring (201) and the movable magnetic ring (202) are opposite. The oil outlet mechanism (200) also includes a strong magnetic piston (203) slidably arranged on the inner wall of the oil storage cylinder (101), and an oil outlet hole (204) provided on the lower surface of the sealing partition (102), and the strong magnetic piston (203) and the movable magnetic ring (202) are magnetically connected by magnetic attraction, and an air vent (205) is provided on the inner top wall of the oil storage cylinder (101).

2. The unpowered permanent magnet automatic oil filling device according to claim 1, characterized in that: Two symmetrical mounting holes are provided on the upper surface of the strong magnetic piston (203), and the inner walls of the two mounting holes are fixedly provided with oil filling pipes (206), the top ends of the oil filling pipes (206) extend to the upper surface of the oil storage cylinder (101) and are provided with sealing plugs (207), and the inner top wall of the oil storage cylinder (101) is provided with sliding holes that are slidably connected to the outer surfaces of the two oil filling pipes (206), and the surfaces of the two oil filling pipes (206) are provided with oil filling one-way valves (208).

3. The unpowered permanent magnet automatic oil filling device according to claim 2, characterized in that: A connecting disk (209) is fixedly provided on the outer surface of the top end of the oil filling pipe (206), and a tension spring (2010) is sleeved on the surface of the oil filling pipe (206), one end of the tension spring (2010) is fixedly connected to the upper surface of the oil storage cylinder (101), and the other end of the tension spring (2010) is fixedly connected to the lower surface of the connecting disk (209).

4. The unpowered permanent magnet automatic oil filling device according to claim 1, characterized in that: An alarm mechanism (300) is provided on the outer surface of the oil storage cylinder (101). The alarm mechanism (300) comprises a contact switch (301) fixed on the upper surface of the fixed magnetic ring (201), and an alarm (302) fixed on the conical surface at the bottom end of the oil storage cylinder (101). The contact switch (301) is connected to the alarm (302) via a wire for signal transmission.

5. The unpowered permanent magnet automatic oil filling device according to claim 1, characterized in that: The outer surface of the oil storage cylinder (101) is provided with a fixing mechanism (400), and the fixing mechanism (400) includes a fixing plate (401) provided on the outer surface of the oil storage cylinder (101), and a limiting plate (402) fixed on the outer surface of the top end of the oil storage cylinder (101). The interior of the fixing plate (401) is respectively provided with a fan-shaped opening (403) and a fan-shaped cavity (404). The inner wall of the fan-shaped opening (403) is rotatably provided with two symmetrical rotating shafts (405). The surfaces of the two rotating shafts (405) are fixed with L-shaped mounting rods (406), and the ends of the two L-shaped mounting rods (406) are fixed with arc-shaped fixing plates (407) for clamping and fixing the oil storage cylinder (101).

6. The unpowered permanent magnet automatic oil filling device according to claim 5, characterized in that: The fixing mechanism (400) further comprises a threaded column (408) rotatably arranged on the inner wall of the fan-shaped opening (403), and a slider (409) slidably arranged on the inner wall of the fan-shaped opening (403), wherein the surface of the slider (409) is provided with a threaded hole threadedly connected to the outer surface of the threaded column (408), the surface of the slider (409) is provided with two symmetrical rotation grooves, and the end surfaces of the two L-shaped mounting rods (406) are fixed with a rotation frame, the inner wall of the rotation frame is rotatably provided with a push rod (4010) through a first rotation rod, and the other end of the push rod (4010) is rotationally connected to the inner wall of the rotation groove through a second rotation rod.

7. The unpowered permanent magnet automatic oil filling device according to claim 6, characterized in that: The upper surface of the fixed disk (401) is rotatably provided with a rotating disk (4011) for driving the threaded column (408) to rotate, and the upper surface of the rotating disk (4011) is rotatably provided with a crank. One end of the threaded column (408) extends into the interior of the fan-shaped cavity (404) and is fixedly provided with a connecting shaft (4012). The inner top wall of the fan-shaped cavity (404) is rotatably provided with a vertical shaft extending to the upper surface of the fixed disk (401). The rotating disk (4011) is fixedly provided at the top end of the vertical shaft, and the bottom end of the vertical shaft and the surface of the connecting shaft (4012) are both fixedly provided with mutually meshing bevel gears (4013).

8. The unpowered permanent magnet automatic oil filling device according to claim 7, characterized in that: A connecting mechanism (500) is provided on the side of the fixing disk (401) for connecting the fixing disk (401) to an external device. The connecting mechanism (500) comprises a mounting seat (501) provided on the side of the fixing disk (401). A mounting ring (502) is fixedly provided on the outer surface of the mounting seat (501). The outer surface of the mounting ring (502) is provided with a plurality of mounting holes in a circumferential array for fixing the mounting ring (502) and the mounting seat (501) on the surface of the device.

9. The unpowered permanent magnet automatic oil filling device according to claim 8, characterized in that: A fixing tube (503) is fixedly provided on the surface of the fixing disk (401), a plug-in disk (504) is fixedly provided on the end of the fixing tube (503), an annular plug-in groove (505) adapted to the plug-in disk (504) is provided on the surface of the mounting seat (501), a mounting cavity (506) and an annular cavity (507) are respectively provided inside the plug-in disk (504), the inner wall of the annular cavity (507) is provided with four rectangular openings in a circumferential array, and rectangular locking blocks (508) are slidably provided on the inner walls of the four rectangular openings, and a rectangular locking groove (509) adapted to the rectangular locking block (508) is provided on the inner ring surface of the annular plug-in groove (505).

10. The unpowered permanent magnet automatic oil filling device according to claim 9, characterized in that: The inner wall of the installation cavity (506) is provided with four threaded rods (5010) that extend into the interior of the annular cavity (507) and are rotated in a circular array, and the ends of the four rectangular locking blocks (508) are provided with cylindrical thread grooves (5011) that are threadedly connected to the outer surface of the threaded rods (5010), and the end of the connecting shaft (4012) away from the threaded column (408) passes through the interior of the fixed tube (503) and extends into the interior of the installation cavity (506), and the end of the connecting shaft (4012) is fixed with a driving bevel gear disk (5012), and the ends of the four threaded rods (5010) are fixed with driven bevel gears (5013) that mesh with the driving bevel gear disk (5012); Four limiting rods (5014) are fixedly provided on the inner wall of the annular cavity (507) in a circular array, and limiting blocks (5015) are slidably provided on the surfaces of the four limiting rods (5014), and the ends of the limiting blocks (5015) are fixedly connected to the surfaces of four rectangular locking blocks (508) respectively.

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