CN201187440Y - Adjustable type electric multi-point grease lubricating pump - Google Patents
Adjustable type electric multi-point grease lubricating pump Download PDFInfo
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- CN201187440Y CN201187440Y CNU200820008589XU CN200820008589U CN201187440Y CN 201187440 Y CN201187440 Y CN 201187440Y CN U200820008589X U CNU200820008589X U CN U200820008589XU CN 200820008589 U CN200820008589 U CN 200820008589U CN 201187440 Y CN201187440 Y CN 201187440Y
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Abstract
The utility model relates to an adjustable electric multipoint dry oil lubricant pump for conveying grease lubricant to lubricate a plurality of friction pair nodes in mechanical movement. The pump is composed of an electric motor, a worm, a worm wheel, an oil scrapping device, an adjustable double-plunger pressure oil pump mechanism and a pump shell, wherein, the oil scrapping device is arranged above the pump shell and connected with the worm wheel through a gear, and the worm wheel is connected with the adjustable double-plunger pressure oil pump mechanism through a shaft coupling; a regulating locating shaft is installed on a pump cover and connected with an adjusting screw inside the pump shell through a slot, an outline cambered surface of a small cam in the adjustable double-plunger pressure oil pump mechanism contacts controlling plungers of each adjustable double-plunger pump, and an outline cambered surface of a big cam contacts working plungers of each adjustable double-plunger pump, so as to complete oil absorption and oil pressing through the working plungers and the controlling plungers cooperating with each other, thus eliminating the grease returning phenomenon during the operation of the single plunger. The dry oil lubricant pump has high work efficiency and can well control lubricant supply of each lubricant outlet.
Description
Affiliated technical field
The utility model relates to a kind of a plurality of friction pair nodes (as bearing) for mechanical motion and carries lubricating grease to carry out oily adjustable electronic dry oil-lubricated pump, belongs to lubrication technical field.
Background technique
At present, known dry oil-lubricated pump has the pump series products of listing Chinese mechanical industry standard JB/T8810.3-1998 and Chinese heavy-duty machine industry standard JB/ZQ4480-1997 in, its structural principle substantially roughly the same, it drives eccentric shaft or camshaft rotation by the motor via reducer structure, the plunger that drives radially a plurality of or axial arranged oil-pressing pump element is reciprocating, rely on the to-and-fro motion of single plunger to finish oil suction and press oily process, with grease each lubricating point of oil outlet injection device from each oil-pressing pump element.But there is following shortcoming in prior art:
1, the internal structure of oil-pressing pump element has determined the oil suction of plunger, compression, fuel feeding, the working procedure of oil suction again of resetting realizes by single cam or eccentric promotion, when arriving to reset again after top dead center begins supplying lubricating grease, plunger compression lubricating grease gets back to lower dead center suction lubricating grease, although the oil-pressing pump element is provided with safety check, but because lubricating grease thickness, make the non-return action of safety check too slow, along with a part of lubricating grease is return and rewinded to resetting of plunger, the negative high voltage that has formed is reduced, this just directly has influence on the minimizing of the injection amount of lubricating grease, cause the efficient of lubricant pump low, lubrication effect is bad; In addition, the to-and-fro motion of control plunger is to rely on the acting in conjunction of oil pressure and spring to realize, considers the lubricating grease thickness, causes that easily the oil-pressing pump element stops up, and reduces reliability.
2, the fuel-flow control of each independent oil outlet adopts the swivel nut of regulating in the oil-pressing pump element to change the oil suction volume in the dry oil-lubricated pump; complex structure; operation inconvenience; and must under fuel supply line on the dismounting oil-pressing pump element and outage state, just can carry out; therefore can not guarantee that each friction pair node of main frame in time obtains required best lubricants capacity; cause main process equipment short working life, inefficiency.
Summary of the invention
In order to overcome the deficiency of existing dry oil-lubricated pump inefficiency and oil outlet fuel-flow control inconvenience, the utility model provides a kind of novel adjustable electronic dry oil-lubricated pump, to overcome the defective that prior art exists.
The technological scheme that its technical problem that solves the utility model adopts is: adjustable electronic dry oil-lubricated pump comprises motor, the reducing gear that worm and worm gear are formed, by the rolling disc that has knuckle-tooth, drier oil filter screen and the oil-scraping device of pressing food tray to constitute, form by fixed tray with along the adjustable double-plunger oil-pressing pump mechanism that a plurality of adjustable double plunger pump of fixed tray circumferential directions constitutes, because lubricating grease thickness, adopt a kind of oil-scraping device that the lubricating grease in the oil-storing barrel is pressed in the pump case, the oil suction of convenient work plunger, reduce the emptying phenomenon of work plunger, oil-scraping device is contained in the top of pump case, be fixed on the pump case by positioning screwn and outstanding round platform, rely on the rolling disc and the gear engagement that have knuckle-tooth to obtain power.The place ahead at pump case is provided with pump cover, between pump cover and pump case, be provided with sealing gasket, pump cover by bolton on pump case, form Seal cage with pump case, on pump cover, be provided with a plurality of outlet one-way valves, the import of these outlet individual event valves is connected with the oil outlet of adjustable double plunger pump by copper pipe, the outlet individual event valve is fixed on the pump cover by primary nut, on pump cover, also be provided with the fuel-flow control positioning shaft, the fuel-flow control positioning shaft contacts with the inwall of plug screw by the O RunddichtringO, be fastened on the pump cover by plug screw, end at the fuel-flow control positioning shaft is provided with " protruding " type body, insert in " recessed " groove of the adjusting screw of corresponding adjustable double-plunger oil-pressing pump mechanism in the pump case, when needs are regulated the fuel delivery size of certain oil outlet, only need unclamp plug screw, corresponding rotation fuel-flow control positioning shaft, just can realize adjusting, change the oil suction volume, thereby can realize stipulating the oil mass size adjustment in the oil mass scope the work plunger stroke.Worm screw, worm gear and adjustable double-plunger oil-pressing pump mechanism are installed in the inside of pump case, one end of worm gear is inserted in the axle sleeve, axle sleeve adopts the mode of interference fit to embed the rear portion (away from a side of pump cover) of pump case, the other end of worm gear is connected with an end of transmission main shaft by shaft coupling, the other end of transmission main shaft inserts in the pump cover, around the rotation of the center of pump cover.The whole driving mechanism of adjustable electronic dry oil-lubricated pump adopts the paralleling mechanism form of the many outputs of single input, motor is connected by shaft coupling with worm screw, the rotating power of motor is after worm and worm gear slow down, as single input motivational drive worm gear and transmission main shaft rotation, gear is connected on the worm gear by woodruff key, the rotating power of worm gear passes to oil-scraping device by gear and the rolling disc that has knuckle-tooth, the motion of drive oil-scraping device, the lubricating grease that orders about in the oil-storing barrel enters in the pump case by the drier oil filter screen, little cam and transmission main shaft are connected, and transmission main shaft is connected with worm gear by shaft coupling.Like this, the rotating power of motor passes through worm screw, behind the worm gear reducer, pass to worm gear, make the gear that is connected with worm gear and obtain rotating power simultaneously with little cam that transmission main shaft is connected, the mode that contacts by end face between little cam and the big cam is come transferring power, rotation drive big cam by little cam rotates together, driving is finished oil suction and is pressed oily process along a plurality of adjustable double plunger pump of fixed tray radial equipartition, lubricating grease is injected a plurality of independently friction pair nodes on the main process equipment from the oil outlet of each the adjustable double plunger pump outlet one-way valve of flowing through, finish greasing.
Described adjustable double-plunger oil-pressing pump mechanism, constitute by fixed tray with along a plurality of adjustable double plunger pump of fixed tray circumferencial direction setting, it is characterized in that: a plurality of adjustable double plunger pumps are by straight pin and being bolted on the fixed tray, transmission main shaft is by the center of fixed tray, one end is connected by shaft coupling with worm gear, in the axis hole on the other end insertion pump cover, on axis hole, have inclined hole, little cam and transmission main shaft are connected, rotate with transmission main shaft, drive big cam by the end face contact and rotate together.The control plunger of each adjustable double plunger pump is along the radial equipartition of little cam, the control plunger is connected by bayonet socket with the cambered surface of little cam, the cambered surface of little cam be divided into drive the control plunger move to left (away from the direction of pump cover) the lift section and drive and control the backhaul section that plunger moves to right; The work plunger of each adjustable double plunger pump is along the radial equipartition of big cam, and the cambered surface of big cam is divided into drive work plunger move to left the pressure oil section of (away from the direction of pump cover), the oil suction section that keeps work plunger section interval of rest and the work of driving plunger to move to right.
Described adjustable double plunger pump is made up of work plunger, control plunger and the pump housing, it is characterized in that: oil pressure plunger and control plunger are set up in parallel on the pump housing, the pump housing is provided with oil inlet hole and two oil outlets, end at the work plunger is provided with adjusting screw and locking bullet pad, axial direction has four antiratchetting grooves in the screw thread exterior of teeth upper edge of adjusting screw, middle part at the work plunger offers oil groove, and the control plunger is provided with oil inlet hole and connecting passage; When the adjusting screw revolution moved 90 °, locating stud was stuck in the antiratchetting groove of adjusting screw in the effect of locking bullet pad elastic force, the location adjusting screw.
The beneficial effects of the utility model are: work plunger and control plunger are arranged in parallel on the pump housing, control oil suction and press oily process by the synergy of work plunger and control plunger, eliminated relying on single plunger to carry out oil suction and " grease rewinds phenomenon " of pressing in the oily process, improved the working efficiency of lubricant pump; Top at pump case is provided with oil-scraping device, and the lubricating grease in the oil-storing barrel is pressed in the pump case inner chamber, and the oil suction of convenient work plunger has reduced emptying phenomenon; Be provided with independently fuel-flow control positioning shaft in the outside of pump cover, can regulate the stroke of work plunger according to the need oil mass of lubricating point at any time, thereby regulate the oil mass size of each oil outlet easily, fuel-flow control is convenient, guarantees that the friction pair node of each mechanical motion in the main process equipment obtains best lubrication effect.
Description of drawings
For making the person of readding one clear understanding be arranged, technology contents of the present utility model is described further below in conjunction with drawings and Examples to design proposal of the present utility model and its rationality.
Fig. 1 is the adjustable electronic dry oil-lubricated pump embodiment's of the utility model a plan view.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B--B sectional view of Fig. 2.
Fig. 4 is the structural representation of adjustable double-plunger oil-pressing pump mechanism for implementing example among Fig. 3.
Fig. 5 is the structural representation of oil-scraping device embodiment among Fig. 3.
Fig. 6 is the outline drawing of big cam among Fig. 4 and contour surface unfolded drawing along the circumferential direction.
Fig. 7 is the outline drawing of the medium and small cam of Fig. 4 and contour surface unfolded drawing along the circumferential direction.
1. pump cases among the figure, 2. motor, 3. worm screw, 4. copper pipe, 5. outlet one-way valve, 6. primary nut, 7. worm gear, 8. woodruff key, 9. positioning screwn, 10. oil-scraping device, 11. oil-storing barrels, 12. pump covers, 13. bolt, 14.O RunddichtringO, 15. fuel-flow control positioning shafts, 16. plug screws, 17. adjustable double-plunger oil-pressing pump mechanism, 18. stud bolts, 19. big nuts, 20. shaft couplings, 21. gear, 22. axle sleeves, 23. adjusting screw, 24. locating studs, 25. the work plunger, 26. little cams, 27. pump housings, 28. the control plunger, 29. fixed trays, 30 adjustable double plunger pumps, 31. straight pin, 32. big cams, 33. positioning rings, 34. taper pin, 35. transmission main shafts, 36. locking bullet pads, 37. pallet, 38. snap rivets, 39. drier oil filter screens, 40. the rolling disc of band knuckle-tooth, 41. bearings, 42. press food tray.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the adjustable electronic dry oil-lubricated pump of present embodiment comprises motor 2, the reducing gear that worm screw 3 and worm gear 7 are formed, oil-scraping device 10, outlet one-way valve 5, adjustable double-plunger oil-pressing pump mechanism 17, fuel-flow control positioning shaft 15, pump case 1, pump cover 12 and stud bolt 18 are formed, one end of stud bolt 18 is fixed on the pump cover 12 by the mode that is threaded, the other end is connected on the fixed tray 29 by big nut 19, outlet one-way valve 5 and adjusting positioning shaft 15 all are arranged on the pump cover 12, the import of outlet one-way valve 5 connects with the corresponding oil outlet a or the b of the pump housing 27 by copper pipe 4, by primary nut 6 outlet one-way valve 5 is fastened on the pump cover 12.Fuel-flow control positioning shaft 15 contacts with the inwall of plug screw 16 by O RunddichtringO 14, be fastened on the pump cover 12 by plug screw 16, the center line of the center line of fuel-flow control positioning shaft 15 and adjusting screw 23 is positioned on same the axis, " protruding " type body of fuel-flow control positioning shaft 15 inserts " recessed " groove of the adjusting screw 23 that is arranged in pump case 1 inside, can regulate the oil mass size that each independently exports easily, when needs adjust the oil mass size of hydraulic fluid port, unclamp plug screw 16, left-handed or dextrorotation fuel-flow control positioning shaft 15 just can increase or reduce fuel delivery accordingly.Oil-scraping device 10 is positioned at the top of pump case 1 by positioning screwn 9, worm screw 3, worm gear 7 and adjustable double-plunger oil-pressing pump mechanism 17 are installed in the inside of pump case 1, one end of adjustable double-plunger oil-pressing pump mechanism 17 inserts in the pump cover 12, the other end is connected with worm gear 7 by shaft coupling 20, the center line of the center line of worm gear 7 and adjustable double-plunger oil-pressing pump mechanism 17 is positioned on the same line, gear 21 is fixed on the worm gear 7 by woodruff key 8, like this, the rotating power of worm gear 7 both can pass to oil-scraping device 10 by the rolling disc 40 of gear 21 and band knuckle-tooth, can pass to adjustable double-plunger oil-pressing pump mechanism 17 by shaft coupling 20 again, belong to a kind of single input, the combination in parallel mechanism of many outputs.
As shown in Figure 4, in the embodiment of adjustable double-plunger oil-pressing pump mechanism 17, a plurality of adjustable double plunger pumps 30 are uniform along the circumferencial direction of fixed tray 29, adopt straight pin 31 and bolt 13 to be fixed on the fixed tray 29, transmission main shaft 35 is by the center of fixed tray 29, the axle of one end and worm gear 7 is connected by shaft coupling 20, the other end inserts in the axis hole of pump cover 12, little cam 26 is connected with transmission main shaft 35, with transmission main shaft 35 rotations, driving big cam 32 by the end face contact rotates together, the left surface of big cam 32 is positioned at the right-hand member of little cam 26 by end face, the right flank of big cam 32 is by positioning ring 33 and taper pin 34 location, make big cam 32 between the right side and positioning ring 33 of little cam 26, the left and right directions of placing restrictions on big cam 32 moves, make the motion of big cam 32 be limited to shaft axis rotation around transmission main shaft 35, adjustable double plunger pump 30 is by the pump housing 27, work plunger 25, control plunger 28 and adjusting screw 23 are formed, work plunger 25 and control plunger 28 parallel connections are arranged on the pump housing 27, end at work plunger 25 is provided with adjusting screw 23 and locking bullet pad 36, axial direction has four antiratchetting groove h in the screw thread exterior of teeth upper edge of adjusting screw 23, locating stud 24 is under the elastic force effect of locking bullet pad 36, be connected among the antiratchetting groove h of adjusting screw 23, when needs are regulated oil mass, outside adjusting positioning shaft 15 drive adjusting screw 23 are backed down locating stud 24 and are rotated, the stroke of adjusting work plunger 25 in the pump housing 27, thus adjusting finished to oil outlet oil mass size.
The process that moves back and forth of the intermittent reciprocating moving process of work plunger 25 and control plunger 28 relies on little cam 26 and big cam 32 to drive respectively, the contour surface of big cam 32 launches to be divided into according to the intermittent reciprocating moving process of work plunger 25 presses oil section A, intermittently section B and oil suction section D, and the contour surface of little cam 26 launches and can be divided into lift section E and backhaul section F according to the process of moving back and forth of control plunger 28.A plurality of control plungers 28 are along the radial equipartition of little cam 26, each middle part of controlling plunger 28 is provided with oil inlet hole e and connecting passage g, a plurality of work plungers 25 are along the radial equipartition of big cam 32, on work plunger 25, be provided with oil groove f, utilize the synergy of work plunger 25 and control plunger 28 to finish oil suction and press oily process.Its working procedure is as follows: adjustable double-plunger oil-pressing pump mechanism for implementing example shown in Figure 4 is work behind the oily end cycle of pressure plunger 25 and the residing position of controlling plunger 28, after finishing an oily process of pressure, control plunger 28 moves right under the drive of little cam 26, at this moment, work plunger 25 is in intermittently section B, when control plunger 28 moves right to when making the oil inlet hole e of control on the plunger 28 and oil inlet hole d on the pump housing 27 communicating, work plunger 25 moves right under the drive of big cam 32, because this moment, oil outlet a disconnected with the connecting passage g that controls on the plunger 28, stopped " grease rewinds phenomenon " in work plunger 25 oil-absorbing process, use the extraction grease efficient of raising work plunger 25, lubricating grease through entering in the negative pressure cavity volume of work plunger 25 formation behind the oil inlet hole e on oil inlet hole d on the pump housing 27 and the control plunger 28, carries out oil-absorbing process under the effect of oil-scraping device 10.Finish and before the pressure oil section A of next stage begins at the oil suction section D of work plunger 25, work plunger 25 is in intermittently section B, this is in order to guarantee that lubricating grease enters in the negative pressure cavity volume of work plunger 25 formation fully, to be filled with whole cavity volume, improving the oil suction efficient of work plunger 25.Along with further moving to right of control plunger 28, when oil inlet hole e on the control plunger 28 and the disconnection of the oil inlet hole d on the pump housing 27, oil-absorbing process finishes.At this moment, connecting passage g on the control plunger 28 connects hole c and the oil outlet b on the pump housing 27, work plunger 25 finishes intermittently section B, begin to press oily process, along with moving to left of work plunger 25, lubricating grease by outlet one-way valve 5 access arrangement lubricating points, is pressed oily process through hole c, connecting passage g, oil outlet b and copper pipe 4.Finish and before the oil suction section D of next stage begins at the pressure oil section A of work plunger 25, work plunger 25 is in intermittently section B, this is in order to guarantee that lubricating grease through 25 pressurizations of work plunger fully through connecting passage g and outlet one-way valve 5 access arrangement lubricating points, improves the pressure oil efficient of work plunger 25.Along with control plunger 28 begin move to left, when the connecting passage g of control on the plunger 28 disconnects hole c on the pump housing 27 and oil outlet b, press oily process to finish the oil supply release of period 1.Along with control plunger 28 is reversed action by identical order, work plunger 25 switches to the oil supply action that oil outlet a carries out second round, lubricating grease is through hole c, connecting passage g, oil outlet a, copper pipe 4, by the outlet one-way valve 5 access arrangement lubricating points of correspondence.
As shown in Figure 5 among the embodiment of oil-scraping device 10, oil-scraping device 10 is by the rolling disc 40 that has knuckle-tooth, bearing 41, pallet 37, drier oil filter screen 39 and pressure food tray 42 are formed, the outer surface of bearing 41 embeds in the endoporus of pallet 37, the internal surface of bearing 41 is nested in by interference fit on the axle of the rolling disc 40 that has knuckle-tooth, the rolling disc 40 that has knuckle-tooth can be around the central axis rotation of pallet 37, upper surface at pallet 37 is equipped with drier oil filter screen 39, be fixed on the pallet 37 with snap rivet 38, the lubricating grease that enters in the pump case 1 is filtered, removal of contamination, press food tray 42 to be fixed on the rolling disc 40 that has knuckle-tooth by big nut 19 and woodruff key 8, press the cambered surface of food tray 42 to adopt spiralling curved surface, in the rotary course of pressing food tray 42, the cavity volume variation from big to small that the cambered surface of dependence pressure food tray 42 and the upper surface of pallet 37 form, lubricating grease in the oil-storing barrel 11 is pressed in the pump case 1, in pump case 1, form a kind of lubricating grease that has certain malleation, eliminated the emptying phenomenon of adjustable double plunger pump 30.
Motor 2 drives gear 21 and transmission main shaft 35 rotations that are connected with worm gear 7 by worm screw 3 and worm gear 7, gear 21 passes to rotating power and presses food tray 42 by the rolling disc 40 that has knuckle-tooth, drive and press food tray 42 rotations, lubricating grease in the oil-storing barrel 11 is pressed in the pump case 1, transmission main shaft 35 drives little cam 26 rotations that are connected with it, little cam 26 drives the big cam 32 that is in contact with it by end face and rotates together, driving is along the work plunger 25 and 28 coordinations of control plunger of the uniform a plurality of adjustable double plunger pump 30 of fixed tray 29 circumferencial directions, grease is flowed through by the oil outlet of each adjustable double plunger pump 30 export one-way valve 5 each equipment lubrication point of supply, finish oily process.This adjustable electronic dry oil-lubricated pump also is provided with fuel-flow control positioning shaft 15 on pump cover 12, fuel-flow control positioning shaft 15 is connected with adjusting screw 23 employing " protruding " " recessed " slots in the pump case 1.By fuel-flow control positioning shaft 15, regulate the stroke size of work plunger 25, to change the size of effective oil suction cavity volume, to reach the purpose that adjusts oil mass.Its adjustment process can be finished fuel-flow control according to the need oil mass size of lubricating point at any time for independently to carry out, and reaches the best lubricating effect to equipment.
Claims (6)
1, a kind of adjustable electronic dry oil-lubricated pump, comprise motor, the reducing gear that worm and wheel is formed, oil-scraping device, adjustable double-plunger oil-pressing pump mechanism, regulate positioning shaft, pump case, pump cover, it is characterized in that oil-scraping device is contained in the top of pump case, regulate positioning shaft and export one-way valve and be arranged on the pump cover, adjustable double-plunger oil-pressing pump mechanism and reducing gear are installed in the pump case, pump cover and pump case are tightly connected with sealing gasket by bolt and are in the same place, worm gear is connected with oil-scraping device by the gear that is connected on the worm-wheel shaft, and worm gear is connected with adjustable double-plunger oil-pressing pump mechanism by shaft coupling.
2, adjustable electronic dry oil-lubricated pump according to claim 1 is characterized in that adjustable double-plunger oil-pressing pump mechanism is made of fixed tray, a plurality of adjustable plunger pump along the setting of fixed tray circumferencial direction, little cam, big cam and cam drive main shaft; The cam drive main shaft is by the center of fixed tray, one end is connected by shaft coupling and worm-wheel shaft, in the axis hole on the other end insertion pump cover, little cam and transmission main shaft are connected, big cam contacts with little cam by end face, the control plunger of each adjustable double plunger pump contacts with the cambered surface of little cam, and the work plunger of each adjustable double plunger pump contacts with the cambered surface of big cam.
3, adjustable electronic dry oil-lubricated pump according to claim 1 and 2, it is characterized in that adjustable double plunger pump is made up of work plunger, control plunger and the pump housing, work plunger and control plunger are set up in parallel on the pump housing, one end of work plunger is provided with the fuel-flow control screw, middle part at the work plunger is provided with oil groove, and the control plunger is provided with oil inlet hole and connecting passage.
4, adjustable electronic dry oil-lubricated pump according to claim 2, the contour surface that it is characterized in that big cam is divided into according to the intermittent reciprocating moving process of work plunger presses oil section, intermittently section and oil suction section, and the contour surface of little cam is divided into lift section and backhaul section according to the process of moving back and forth of control plunger.
5,, it is characterized in that the adjusting screw in adjusting positioning shaft and the pump case on the pump cover connects by slot according to claim 1 or 3 described adjustable electronic dry oil-lubricated pumps.
6, adjustable electronic dry oil-lubricated pump according to claim 1 is characterized in that pressing in the oil-scraping device cambered surface of food tray to adopt spiralling curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820008589XU CN201187440Y (en) | 2008-03-23 | 2008-03-23 | Adjustable type electric multi-point grease lubricating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820008589XU CN201187440Y (en) | 2008-03-23 | 2008-03-23 | Adjustable type electric multi-point grease lubricating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201187440Y true CN201187440Y (en) | 2009-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820008589XU Expired - Fee Related CN201187440Y (en) | 2008-03-23 | 2008-03-23 | Adjustable type electric multi-point grease lubricating pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN201187440Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606442A (en) * | 2012-03-21 | 2012-07-25 | 三一重工股份有限公司 | Piston pump for pumping slurry shaped materials, in particular concrete, and concrete pump |
| CN102913732A (en) * | 2012-10-09 | 2013-02-06 | 浙江亚特电器有限公司 | Handheld electric engraving tool |
| CN105179911A (en) * | 2015-09-09 | 2015-12-23 | 安徽力威精工机械有限公司 | Novel oil injector |
| CN105443347A (en) * | 2015-12-31 | 2016-03-30 | 四川奥博生物医学电子有限公司 | High-pressure pump improved structure |
| CN110500271A (en) * | 2018-05-16 | 2019-11-26 | 北京中冶华润科技发展有限公司 | Pressure oil mechanism and oil pumping device |
| CN112963748A (en) * | 2021-02-03 | 2021-06-15 | 宁波金利达灯饰有限公司 | Portable rotatory LED work light |
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2008
- 2008-03-23 CN CNU200820008589XU patent/CN201187440Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606442A (en) * | 2012-03-21 | 2012-07-25 | 三一重工股份有限公司 | Piston pump for pumping slurry shaped materials, in particular concrete, and concrete pump |
| CN102606442B (en) * | 2012-03-21 | 2015-06-10 | 三一重工股份有限公司 | Piston pump for pumping slurry shaped materials, in particular concrete, and concrete pump |
| CN102913732A (en) * | 2012-10-09 | 2013-02-06 | 浙江亚特电器有限公司 | Handheld electric engraving tool |
| CN102913732B (en) * | 2012-10-09 | 2015-04-08 | 浙江亚特电器有限公司 | Handheld electric engraving tool |
| CN105179911A (en) * | 2015-09-09 | 2015-12-23 | 安徽力威精工机械有限公司 | Novel oil injector |
| CN105443347A (en) * | 2015-12-31 | 2016-03-30 | 四川奥博生物医学电子有限公司 | High-pressure pump improved structure |
| CN110500271A (en) * | 2018-05-16 | 2019-11-26 | 北京中冶华润科技发展有限公司 | Pressure oil mechanism and oil pumping device |
| CN112963748A (en) * | 2021-02-03 | 2021-06-15 | 宁波金利达灯饰有限公司 | Portable rotatory LED work light |
| CN112963748B (en) * | 2021-02-03 | 2023-12-15 | 宁波金利达灯饰有限公司 | Portable rotary LED working lamp |
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