CN105650444A - Trace oil injection device - Google Patents
Trace oil injection device Download PDFInfo
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- CN105650444A CN105650444A CN201610215476.6A CN201610215476A CN105650444A CN 105650444 A CN105650444 A CN 105650444A CN 201610215476 A CN201610215476 A CN 201610215476A CN 105650444 A CN105650444 A CN 105650444A
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- Prior art keywords
- oil
- oil outlet
- plunger
- pump
- trace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N25/00—Distributing equipment with or without proportioning devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N27/00—Proportioning devices
- F16N27/02—Gating equipment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention provides a trace oil injection device and belongs to the technical field of oil injection equipment. The trace oil injection device comprises an oil tank (5), an oil pump (4), an oil outlet nozzle (2) and a control device, wherein an oil inlet hole of the oil pump (4) is communicated with the bottom of the oil tank (5), an oil outlet hole of the oil pump (4) is communicated with an oil inlet hole of the oil outlet nozzle (2), and a plunger (16) of the oil pump (4) is connected with an electromagnet (14) pushing the plunger to move axially. The device is further provided with a detection unit used for detecting to-be-lubricated equipment, and the electromagnet (14) and the detection unit are both connected with the control device. The trace oil injection device is provided with the detection unit, the detection unit can detect equipment where oil is to be injected and uploads signals to the control device, the control device controls the oil pump to be started and stopped, the electromagnet pushes the plunger to move, the oil injection frequency is controlled by the electromagnet, high-frequency oil injection can be realized, besides, the oil injection frequency is convenient to adjust, and accordingly, intermittent oil injection can be realized according to motions of the equipment where oil is to be injected.
Description
Technical field
A kind of trace oiling device, belongs to oiling equipment technical field.
Background technology
Oiling machine is the equipment providing micro lubricating oil when mechanical action, and oiling machine mainly includes the fuel tank for holding lubricating oil, for extracting the grease pump of lubricating oil and the nozzle for being sprayed onto in mechanism to be lubricated by the lubricating oil that grease pump extracts. Oiling machine is when to equipment lubrication, it is common that the fuel feeding of persistence, and namely in equipment running process, oiling machine is continual for equipment fuel feeding, and this kind of oiling machine is more serious to the waste ratio of lubricating oil, and lubricating oil utilization rate is very low.
Intermittent oiling machine is a kind of intermittent equipment providing lubricating oil for plant equipment, and existing intermittent oiling machine is the intermittence oiling only realized by grease pump mostly. This intermittent oiling machine Problems existing has: 1, the amount of grease pump single extraction lubricating oil is relatively big, and lubricating oil utilization rate is low, and cannot realize the oiling of high frequency, restricted application; 2, only by the intermittent extraction lubricating oil of grease pump, oil outlet cannot coordinate with grease pump; 3, oiling machine is upon actuation, can continuous firing, when the parts of some motions are lubricated, it may appear that lubricate problem not in place; 4, the oil nozzle of existing oiling machine in use between long after there will be the phenomenon of water clock lubricating oil.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, it is provided that a kind of trace oiling device that can detect the position of equipment to be lubricated, the control automatic start and stop of device control oil pump and be capable of high frequency oiling.
The technical solution adopted for the present invention to solve the technical problems is: this trace oiling device, it is characterized in that: include fuel tank, oil pump, oil outlet and control device, the fuel feed hole of oil pump connects with tank bottoms, the oil outlet of oil pump connects with the fuel feed hole of oil outlet, the plunger of oil pump is connected to its electric magnet moved axially of promotion, it is additionally provided with the detection unit for detecting equipment to be lubricated, electric magnet and detection unit to be all connected with control device.
Preferably, offering oil pump fuel feed hole on the upside of the pump housing of described oil pump, pump housing oil outlet end is provided with non-return unit, and plunger front end puts in the pump housing, and forms oil pumping chamber in the pump housing with non-return unit, and plunger is connected to the reset unit promoting plunger return.
Preferably, being provided with plunger bushing in the described pump housing, plunger bushing is provided with plunger bushing oilhole, and plunger bushing oilhole is by described fuel feed hole and plunger bushing inner space, slides and put in plunger bushing in plunger front end, and forms described oil pumping chamber with plunger bushing and described non-return unit.
Preferably, the outer wall of described plunger bushing is provided with oil-feed tank, and the outer end of described plunger bushing oilhole connects with oil-feed tank, and the width of oil-feed tank is equal to or more than the diameter of plunger bushing oilhole.
Preferably, described plunger is connected with electric magnet by tabletting, and plunger back-end is provided with fixed part, and fixed part is rectangle, and tabletting is provided with the draw-in groove matched with fixed part, and fixed part stretches in draw-in groove, and is connected with electric magnet by tabletting.
Preferably, described reset unit is plunger return spring, and plunger return spring one end is supported on the described pump housing, and the other end promotes described plunger return.
Preferably, described oil outlet includes oil outlet main body and is arranged on the sealing in oil outlet main body and elastic compression portion, the side of oil outlet main body is provided with oil outlet fuel feed hole, the oil outlet end of oil outlet main body is provided with oil nozzle, oil nozzle is provided with oil outlet, outside sealing and oil outlet main body interval arrange formed annular cross oil passage, cross oil passage oil outlet fuel feed hole connect with oil outlet, elastic compression portion promotion sealing by oil outlet closing.
Preferably, described oil outlet main body includes oil outlet pressure cap and oil outlet mounting seat, described sealing is arranged in oil outlet pressure cap, outside sealing and the inwall interval of oil outlet pressure cap is arranged, thus forming described oil passage excessively, oil nozzle and sealing are pressed in oil outlet mounting seat by oil outlet pressure cap, and described elastic compression portion is arranged in oil outlet mounting seat, and described oil outlet fuel feed hole is arranged in oil outlet mounting seat.
Preferably, described elastic compression portion is provided with pressure adjustment unit.
Preferably, described oil outlet is provided with heating unit.
Compared with prior art, the trace oiling device of the present invention is had the beneficial effect that
1, this trace oiling device is provided with detection unit, detection unit can detect treats oiling equipment, and signal is uploaded to control device, control device control oil pump start and stop, until oiling equipment near time, pump start is equipment oiling, until oiling equipment away from time, oil pump quits work, stop oiling, achieve automatic detection, electric magnet promotes plunger motion, oiling frequency passes through magnet control, high frequency oiling can be realized, and oiling frequency is easy to adjust, it is thus possible to realize the oiling of interval according to the motion treating oiling equipment, and the single injection flow of oil pump is little, avoid waste lubricating oil, it is greatly saved lubrication cost, save lubricating oil, reduce lubrication cost.
2, reset unit matches with electric magnet, makes plunger achieve high-frequency reciprocating motion, and plunger moves back and forth in the pump housing, so that the volume of oil pumping chamber increases or reduces, it is achieved that the extraction of lubricating oil.
3, lubricating oil is extracted in plunger reciprocating motion in plunger bushing, plunger bushing is provided with plunger bushing oilhole, the lubricating oil of fuel feed hole enters in plunger bushing through plunger bushing oilhole, spray after being then passed through non-return unit, can reduce on the one hand causes the pump housing to damage due to abrasion, improves the service life of oil pump, on the other hand when plunger bushing damages, plunger bushing can be individually replaced, reduce maintenance cost.
4, the width of oil-feed tank is more than or equal to the diameter of plunger bushing oilhole, so that the lubricating oil in the fuel feed hole of the pump housing can enter in plunger bushing oilhole more smoothly.
5, plunger is connected by fixed part is fixing with flanging and electric magnet, it is possible to prevent plunger rotation, thus the abrasion reduced between plunger and plunger bushing, improves the service life of plunger, and is also beneficial to ensure the stability of operation of oil pump.
6, plunger return spring can coordinate with electric magnet, and plunger return spring and electric magnet coordinate the impact that will not be subject to electric magnet frequency, thus realizing the high-frequency reciprocating motion of plunger.
7, the elastic compression portion of oil outlet promotes sealing to be closed by oil outlet, extreme pressure lubricant promotes sealing to be opened by oil outlet, lubricating oil sprays through oil outlet, when sealing is open, elastic compression portion pressure increases, and promotes sealing again to be closed by oil outlet, thus coordinating grease pump, achieve intermittent oilling, improve the utilization rate of lubricating oil, it is to avoid waste lubricating oil; Owing to elastic compression portion promotes sealing to be closed by oil outlet, thus without the problem occurring causing water clock lubricating oil due to use overlong time.
8, oil outlet main body includes oil outlet pressure cap and oil outlet mounting seat, facilitates the maintenance of oil outlet.
9, pressure adjustment unit can adjust the pressure in elastic compression portion as required, thus regulating the pressure of lubricating oil during ejection lubricating oil, and then regulates the spouting velocity of lubricating oil and sprays distance and spray volume.
10, lubricating oil can be heated by heating unit, thus avoiding because the ejection of lubricating oil is caused obstruction by lubricating oil viscosity denseness.
Accompanying drawing explanation
Schematic diagram is looked on the right side that Fig. 1 is trace oiling device.
Fig. 2 is the cross-sectional schematic in the A-A direction of Fig. 1.
The master that Fig. 3 is oil pump looks cross-sectional schematic.
The master that Fig. 4 is oil outlet looks cross-sectional schematic.
Fig. 5 is the cross-sectional schematic that in embodiment 2, plunger bushing coordinates with plunger.
Fig. 6 is the schematic perspective view of plunger in embodiment 2.
In figure: 1, casing 2, oil outlet 3, cabinet door 4, oil pump 5, fuel tank 6, joint 7, oil pump holddown spring 8, check-valve lever 9, check valve body 10, plunger bushing 1001, plunger bushing oilhole 11, the pump housing 12, plunger return spring 13, tabletting 14, electric magnet 15, oil pump pressure cap 16, plunger 1601, plunger oilhole 17, oil outlet mounting seat 18, push rod 19, oil outlet pressure cap 20, oil nozzle 2001, oil outlet 21, fuel-displaced valve body 22, fuel-displaced valve rod 23, oil outlet holddown spring 24, adjusting bolt.
Detailed description of the invention
Fig. 1 ~ 4 are highly preferred embodiment of the present invention, and below in conjunction with accompanying drawing 1 ~ 6, the present invention will be further described.
A kind of trace oiling device, including fuel tank 5, oil pump 4, oil outlet 2 and control device, the fuel feed hole of oil pump 4 connects with bottom fuel tank 5, the oil outlet of oil pump 4 connects with the fuel feed hole of oil outlet 2, the plunger 16 of oil pump 4 is connected to its electric magnet 14 moved axially of promotion, it is additionally provided with the detection unit for detecting equipment to be lubricated, electric magnet 14 and detection unit to be all connected with control device. the oil outlet 2 of this trace oiling device is provided with detection unit, detection unit can detect treats oiling equipment, and signal is uploaded to control device, control device control oil pump 4 start and stop, until oiling equipment near time, oil pump 4 starts as equipment oiling, until oiling equipment away from time, oil pump 4 quits work, stop oiling, achieve automatic detection, electric magnet 14 promotes plunger 16 to realize moving back and forth, oiling frequency is controlled by electric magnet 14, high frequency oiling can be realized, and oiling frequency is easy to adjust, it is thus possible to realize the oiling of interval according to the motion treating oiling equipment, and the single injection flow of oil pump 4 is little, avoid waste lubricating oil, it is greatly saved lubrication cost, save lubricating oil, reduce lubrication cost.
Embodiment 1
As shown in Figure 1 and 2: fuel tank 5, oil pump 4 and control device are arranged in casing 1, and oil outlet 2 is arranged on outside casing 1. Casing 1 is cuboid, and casing 1 is provided with cabinet door 3, and cabinet door 3 is provided with control knob and display screen, is used for controlling this trace oiling device, and shows the duty of this trace oiling device.
Fuel tank 5 is arranged on the top of casing 1, and the oil filler of fuel tank 5 is disposed over, and stretches out the end face of casing 1, and fuel tank 5 is lucite material, and is provided with filter screen at oil-in place, it is ensured that the lubricating oil cleaning in fuel tank 5 is pollution-free.
Oil pump 4 is arranged in the middle part of the lower section of casing 1, and the oil-in of oil pump 4 is connected with the oil-out bottom fuel tank 5 by hard pipeline. The oil-out of oil pump 4 is connected with the oil-in of oil outlet 2 by oil pipe.
Oil outlet 2 is provided with heating unit, it is possible to lubricating oil is heated, it is to avoid cause that owing to temperature is low the viscosity of lubricating oil is too high, thus affecting the ejection of lubricating oil. Heating unit is the resistance wire being arranged in oil outlet 2.
Detection unit is arranged on oil outlet 2, and detection unit is photoswitch, and the signal output part of photoswitch is connected with the signal input part controlling device, and control device is PLC. Photoswitch detects when oiling equipment, starts by controlling device control oil pump 4, and for treating oiling equipment oiling, when oiling equipment is away from oil outlet 2, quitting work by controlling device control oil pump 4, thus stopping oiling, avoid waste lubricating oil, reduce lubrication cost.
As shown in Figure 3: oil pump 4 includes the plunger 16 in the pump housing 11, the pump housing 11 and the non-return unit of the pump housing 11 oil outlet end, oil pump fuel feed hole is offered on the upside of the pump housing 11, plunger 16 one end puts in the pump housing 11, and in the pump housing 11, form oil pumping chamber with non-return unit, the other end stretches out the pump housing 11 and is connected to electric magnet 14, and plunger 16 is additionally provided with the reset unit promoting plunger 16 to reset. The electric magnet 14 of oil pump 4 matches with reset unit, plunger 16 is promoted to realize moving back and forth, thus extracting lubricating oil, spraying after being then passed through non-return unit, oiling frequency is controlled by electric magnet 14, high frequency oiling can be realized, and oiling frequency is easy to adjust such that it is able to convenient according to treating that the motion of oiling equipment realizes the oiling of interval, and the single injection flow of oil pump 4 is little, avoid waste lubricating oil, be greatly saved lubrication cost.
The middle part of the pump housing 11 is provided with the installing hole of horizontal direction, and plunger 16 is arranged in installing hole. Oil pump fuel feed hole is arranged on the upper center of installing hole, and oil pump fuel feed hole is vertically arranged. The internal diameter of oil pump fuel feed hole upper end, more than the internal diameter of lower end, is conveniently connected with oil pipe.
Being provided with plunger bushing 10 in the pump housing 11, the left end of plunger bushing 10 is arranged in the pump housing 11, and right-hand member stretches out the pump housing 11. It is symmetrically arranged on two with plunger bushing oilhole 1001 at plunger bushing about 10. Installing hole inwall around the pump housing 11 is provided with groove, and plunger bushing 10 inner chamber is connected by plunger bushing oilhole 1001 with groove, and the lower end of oil pump fuel feed hole connects with groove. The diameter of plunger bushing oilhole 1001 is less than the diameter of oil pump fuel feed hole. The outside of plunger bushing 10 is provided with oil-feed tank, oil-feed tank and plunger bushing oilhole 1001 one_to_one corresponding, the width of oil-feed tank is a bit larger tham the diameter of plunger bushing oilhole 1001 and the arc that the bottom surface of oil-feed tank is middle part indent, and oil-feed tank facilitates the hydraulic oil in oil pump fuel feed hole to enter in plunger bushing oilhole 1001.
The external diameter of the left end of plunger bushing 10 is more than the external diameter of right-hand member, thus forming fixing boss, the holding division suitable with fixing boss it is provided with in installing hole, the fixing boss of plunger bushing 10 fixes on holding division, and be provided with POM pad between fixing boss and holding division, thus plunger bushing 10 and the pump housing 11 when plunger 16 high-frequency reciprocating moves is avoided to collide.
When electric magnet 14 promotes plunger 16 to move right, the pressure of the oil pumping chamber on the left of plunger 16 reduces, and when the left end of plunger 16 moves on the right side of plunger bushing oilhole 1001, lubricating oil enters in oil pumping chamber through plunger bushing oilhole 1001; When plunger 16 is to left movement, plunger bushing oilhole 1001 can be closed by plunger 16, simultaneously because the volume that the movement of plunger 16 makes oil pumping chamber reduces, pressure increases, and pushes non-return unit open, and lubricating oil sprays through non-return unit. The amount of each oil spout has been limited by the size of plunger bushing oilhole 1001, and can regulate single distributive value by changing the size of plunger bushing oilhole 1001, improves the utilization rate of lubricating oil, it is to avoid waste lubricating oil, is greatly saved lubrication cost.
Electric magnet 14 is arranged on the right side of the pump housing 11, and the right side passing on left connecting plate and the pump housing 11 of electric magnet 14 is fixing to be connected. the right-hand member of plunger 16 stretches out plunger bushing 10 and is connected with electric magnet 14. plunger 16 right-hand member is provided with fixed part, fixed part is rectangular slab, and the two ends of fixed part are arc-shaped, the side of tabletting 13 is provided with the draw-in groove suitable with fixed part, fixed part snaps in draw-in groove, the right side of tabletting 13 is provided with oil pump pressure cap 15, the cylindrical shape that oil pump pressure cap 15 is closed for right-hand member, the fixed part of plunger 16 is arranged in oil pump pressure cap 15 together with tabletting 13, and fixed by jump ring, it is prevented from plunger 16 to rotate, thus the abrasion reduced between plunger 16 and plunger bushing 10, improve the service life of plunger 16, and it is also beneficial to ensure the stability of oil pump 4 work. reset unit is plunger return spring 12, and plunger return spring 12 is set in outside the plunger 16 between plunger bushing 10 and fixed part, and the left end support of plunger return spring 12 is on plunger bushing 10, and right-hand member is supported on fixed part. electric magnet 14 promotes plunger 16 to left movement, and plunger return spring 12 promotes plunger 16 to move right. plunger 16 is promoted by electric magnet 14 and plunger return spring 12 and realizes moving back and forth, and oil spout frequency is controlled by electric magnet 14, it is possible to achieve high frequency oiling, and oiling frequency is easy to adjust.
Non-return unit includes check valve body 9, check-valve lever 8 and oil pump holddown spring 7. Be provided with joint 6 on the right side of installing hole, the right-hand member of joint 6 puts in installing hole and compresses check valve body 9, and the internal diameter on the right side of joint 6 is more than the internal diameter in left side. Check valve body 9 is cylindric, and the external diameter of check valve body 9 right-hand member is more than the external diameter of left end, and check valve body 9 left end is arranged with copper packing, and the left end of check valve body 9 puts in the right-hand member of joint 6, and the right-hand member of joint 6 compresses check valve body 9 by copper packing. The left end of the right-hand member of check valve body 9 and plunger bushing 10 is in close contact, and the inner space of the oil duct of check valve body 9 and plunger bushing 10, the right-hand member interval setting of the left end of plunger 16 and check valve body 9, it is to avoid check valve body 9 hinders the reciprocating motion of plunger 16. The diameter at the middle part of check-valve lever 8 is more than the diameter at two ends, and the diameter of check-valve lever 8 right-hand member is less than the diameter of left end, is the taper that diameter is gradually reduced from left to right on the right side of the middle part of check-valve lever 8.In the axially slidable oil duct stretching into check valve body 9 of the right-hand member of check-valve lever 8, left end puts in joint 6. Oil pump holddown spring 7 is set in the right-hand member of check-valve lever 8, and the left end support of oil pump holddown spring 7 is on joint 6, and right-hand member is supported on the middle part of check-valve lever 8, and is pressed on check valve body 9 at the middle part of check-valve lever 8, and is closed by the oil duct of check valve body 9.
As shown in Figure 4: oil outlet 2 includes oil outlet main body and is arranged on the sealing in oil outlet main body and elastic compression portion, the side of oil outlet main body is provided with oil outlet fuel feed hole, the oil outlet end of oil outlet main body is provided with oil nozzle 20, oil nozzle 20 is provided with oil outlet 2001, outside sealing and oil outlet main body interval arranges the oil passage excessively forming annular, crossing oil passage to be connected with oil outlet 2001 by oil outlet fuel feed hole, elastic compression portion promotes sealing to be closed by oil outlet 2001. The elastic compression portion of oil outlet 2 promotes sealing to be closed by oil outlet 2001, extreme pressure lubricant promotes sealing to be opened by oil outlet 2001, lubricating oil sprays through oil outlet 2001, when sealing is open, elastic compression portion pressure increases, and promotes sealing again to be closed by oil outlet 2001, thus coordinating grease pump, achieve intermittent oilling, improve the utilization rate of lubricating oil, it is to avoid waste lubricating oil.
Oil outlet main body includes oil outlet mounting seat 17 and oil outlet pressure cap 19, and sealing is arranged in oil outlet pressure cap 19, and elastic compression portion is arranged in oil outlet mounting seat 17. The lower end of oil outlet mounting seat 17 puts in oil outlet pressure cap 19, and be tightly connected with oil outlet pressure cap 19, the upper end of oil outlet mounting seat 17 is provided with pressure adjustment unit, and pressure adjustment unit is for adjusting the pressure in elastic compression portion, and then adjusts pressure when lubricating oil sprays. The left side of oil outlet mounting seat 17 is provided with oil inlet pipe, and oil inlet pipe is provided with the oil outlet fuel feed hole of the inner space with oil outlet mounting seat 17, and oil outlet fuel feed hole is for being connected with oil pump 4.
Sealing includes fuel-displaced valve rod 22 and fuel-displaced valve body 21. The external diameter of the upper end of fuel-displaced valve body 21 is more than the external diameter of lower end, and the internal diameter of the upper end of oil outlet pressure cap 19 is more than the internal diameter of lower end, and fuel-displaced valve body 21 is coaxially mounted in oil outlet pressure cap 19, and the middle part of fuel-displaced valve body 21 fixes in the middle part of oil outlet pressure cap 19. The outside of fuel-displaced valve body 21 and the inwall interval of oil outlet pressure cap 19 are arranged, thus forming oil passage. The upper end of fuel-displaced valve body 21 is supported on the lower end of oil outlet mounting seat 17 and the oil channel connection excessively between the inner chamber of oil outlet mounting seat 17 and fuel-displaced valve body 21 and oil outlet pressure cap 19. Fuel-displaced valve body 21 endoporus lower end is the taper that diameter is gradually increased from the bottom to top. Fuel-displaced valve rod 22 is slidably mounted in fuel-displaced valve body 21, and seal setting with fuel-displaced valve body 21, the taper suitable with fuel-displaced valve body 21 it is provided with on the downside of fuel-displaced valve rod 22, and the lower end of fuel-displaced valve rod 22 stretches out fuel-displaced valve body 21, and it is provided with lubricating oil pushing part, oil outlet 2001 is closed by fuel-displaced valve rod 22 by lubricating oil pushing part, and lubricating oil pushing part is the taper that diameter is gradually increased from the bottom to top. The upper end of fuel-displaced valve rod 22 is provided with support portion, and support portion diameter is less than the diameter of fuel-displaced valve rod 22, and support portion is stretched in oil outlet mounting seat 17, and is connected with elastic compression portion.
The top ring of oil nozzle 20 is around being provided externally with boss, and the lower loop of oil outlet pressure cap 19 is provided with boss around inwall, and oil nozzle 20 is arranged in oil outlet pressure cap 19, and oil nozzle 20 and fuel-displaced valve body 21 are pressed in oil outlet mounting seat 17 by oil outlet pressure cap 19 by boss.Oil nozzle 20 is provided with oil outlet 2001, and the diameter of oil outlet 2001 is 0.5mm, and length is 5mm, makes lubricating oil spray with fine rule form, it is achieved trace oiling. Extreme pressure lubricant flows into the gap between fuel-displaced valve body 21 and oil outlet pressure cap 19 through oil outlet mounting seat inner chamber, then promotes fuel-displaced valve rod 22 to be opened by oil outlet 2001, and sprays along oil outlet 2001.
Elastic compression portion includes oil outlet holddown spring 23, and oil outlet holddown spring 23 is arranged between support portion and the pressure adjustment unit of fuel-displaced valve rod 22. Being additionally provided with push rod 18 between support portion and pressure adjustment unit, the lower end of push rod 18 is supported on support portion. In the middle part of push rod 18, on the upper side surrounding is provided externally with support rim, and oil outlet holddown spring 23 lower end is supported on support rim, and the other end is supported on pressure adjustment unit, thus promoting fuel-displaced valve rod 22 to be closed by oil outlet 2001.
Pressure adjustment unit includes the clamp nut outside adjusting bolt 24 and adjusting bolt 24. Oil outlet mounting seat 17 endoporus upper end is provided with screw thread, and adjusting bolt 24 is by being threadably mounted in oil outlet mounting seat 17, and oil outlet holddown spring 23 is supported in adjusting bolt 24. Clamp nut is set in outside adjusting bolt 24, and is connected with adjusting bolt 24 by screw thread. The pressure of oil nozzle holddown spring 23 can being adjusted by adjusting bolt 24, thus adjusting oil pressure, being fixed by clamp nut after having regulated.
The work process of this trace oiling device is as follows: when plunger 16 is to left movement, the volume of the oil pumping chamber on the left of plunger 16 increases, pressure reduces, when the left side of plunger 16 moves to the right side of plunger bushing oilhole 1001, the lubricating oil in fuel tank is in the oil pumping chamber on the left of plunger bushing oilhole 1001 enters plunger 16. When plunger 16 is to left movement, plunger bushing oilhole 1001 is closed, reduce the volume of oil pumping chamber on the left of plunger 16 simultaneously, the pressure making oil pumping chamber increases, and promote check-valve lever 8 to taking exercises, being opened by the oil duct of check valve body 9, lubricating oil flows into joint 6 through the oil duct of check valve body 9, and is flowed in oil outlet 2 by joint 6.
Hydraulic oil enters oil outlet mounting seat 17 inner chamber, makes the pressure of lubricating oil in oil outlet mounting seat 17 increase. Lubricating oil enters crossing in oil passage between fuel-displaced valve body 21 and oil outlet pressure cap 19 along oil outlet mounting seat 17 inner chamber, and promotes fuel-displaced valve rod 22 to move upward, thus being opened by oil outlet 2001, extreme pressure lubricant sprays from oil outlet 2001. Fuel-displaced valve rod 22 moves upward, and promotes push rod 18 to move upward, and oil outlet holddown spring 23 compresses, and pressure increases, and promotes fuel-displaced valve rod 22 to move downward by push rod 18, and is again closed by oil outlet 2001, completes an oiling.
Owing to being provided with non-return unit in oil pump 4, being provided with sealing and elastic compression portion in oil outlet 2, therefore will not there is oil leakage phenomenon in oil pump 4 and oil outlet 2.
The single injection flow of this trace oiling device is adjusted according to the amount of lubricating oil needed for treating oiling equipment, only needs to change out the different oil nozzle 20 of oilhole 2001 diameter and the different plunger bushing 10 of plunger bushing oilhole 1001 diameter when regulating, easy to adjust.
Embodiment 2
As shown in Figure 5: the difference of embodiment 2 and embodiment 1 is: the right-hand member of plunger 16 offers plunger oilhole 1601, plunger oilhole 1601 is " L " shape, the termination of the vertical portion of plunger oilhole 1601 is arranged on the side of plunger 16, the termination of the horizontal part of plunger oilhole 1601 is arranged on the end face of plunger 16 right-hand member, and oil pumping chamber is positioned at the right side of plunger 16.When plunger 16 moves right the left stop of stroke, the volume of oil pumping chamber is maximum, now plunger oilhole 1601 connects with plunger bushing oilhole 1001, and lubricating oil enters in oil pumping chamber along plunger oilhole 1601, and is pumped by the lubricating oil in oil pumping chamber when plunger 16 moves right. The lubricating oil entering oil pumping chamber can be limited by plunger oilhole 1601, makes each distributive value of oil pump 4 be determined by the size of plunger oilhole 1601, it may be achieved trace oiling, is greatly saved lubrication cost.
As shown in Figure 6: plunger 16 is provided with spiral helicine groove around outer wall, and the groove of plunger 16 connects with plunger oilhole 1601, and the width of groove is more than the diameter of plunger oilhole 1601. The groove of plunger 16 by offering one end of plunger oilhole 1601 to other end spiral, and groove from plunger 16 right-hand member to the direction of left end counterclockwise around plunger 16 outer wall, the groove of plunger 16 has half-turn. The groove of plunger 16 can make the lubricating oil in plunger bushing oilhole 1001 enter in plunger oilhole 1601 more smoothly, and a certain amount of lubricating oil in groove, can be stored, avoiding owing to the diameter of plunger bushing oilhole 1001 and plunger oilhole 1601 is little, the lubricating oil in plunger bushing oilhole 1001 has little time to enter in oil pumping chamber through plunger oilhole 1601.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, and any those skilled in the art are changed or be modified as the Equivalent embodiments of equivalent variations possibly also with the technology contents of the disclosure above. But every without departing from technical solution of the present invention content, according to any simple modification, equivalent variations and remodeling that above example is made by the technical spirit of the present invention, still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a trace oiling device, it is characterized in that: include fuel tank (5), oil pump (4), oil outlet (2) and control device, the fuel feed hole of oil pump (4) connects with fuel tank (5) bottom, the oil outlet of oil pump (4) connects with the fuel feed hole of oil outlet (2), the plunger (16) of oil pump (4) is connected to its electric magnet moved axially (14) of promotion, it is additionally provided with the detection unit for detecting equipment to be lubricated, electric magnet (14) and detection unit to be all connected with control device.
2. trace oiling device according to claim 1, it is characterized in that: oil pump fuel feed hole is offered in the pump housing (11) upside of described oil pump (4), the pump housing (11) oil outlet end is provided with non-return unit, plunger (16) front end puts in the pump housing (11), and in the pump housing (11), forming oil pumping chamber with non-return unit, plunger (16) is connected to the reset unit promoting plunger (16) to reset.
3. trace oiling device according to claim 2, it is characterized in that: in the described pump housing (11), be provided with plunger bushing (10), plunger bushing (10) is provided with plunger bushing oilhole (1001), plunger bushing oilhole (1001) is by described fuel feed hole and plunger bushing (10) inner space, sliding and put in plunger bushing (10) in plunger (16) front end, and forms described oil pumping chamber with plunger bushing (10) and described non-return unit.
4. trace oiling device according to claim 3, it is characterized in that: the outer wall of described plunger bushing (10) is provided with oil-feed tank, the outer end of described plunger bushing oilhole (1001) connects with oil-feed tank, and the width of oil-feed tank is equal to or more than the diameter of plunger bushing oilhole (1001).
5. trace oiling device according to claim 1, it is characterized in that: described plunger (16) is connected with electric magnet (14) by tabletting (13), plunger (16) rear end is provided with fixed part, fixed part is rectangle, tabletting (13) is provided with the draw-in groove matched with fixed part, fixed part stretches in draw-in groove, and is connected with electric magnet (14) by tabletting (13).
6. trace oiling device according to claim 2, it is characterised in that: described reset unit is plunger return spring (12), and plunger return spring (12) one end is supported on the described pump housing (11), and the other end promotes described plunger (16) to reset.
7. trace oiling device according to claim 1, it is characterized in that: described oil outlet (2) includes oil outlet main body and is arranged on the sealing in oil outlet main body and elastic compression portion, the side of oil outlet main body is provided with oil outlet fuel feed hole, the oil outlet end of oil outlet main body is provided with oil nozzle (20), oil nozzle (20) is provided with oil outlet (2001), outside sealing and oil outlet main body interval arranges the oil passage excessively forming annular, cross oil passage to be connected with oil outlet (2001) by oil outlet fuel feed hole, elastic compression portion promotes sealing to be closed by oil outlet (2001).
8. trace oiling device according to claim 7, it is characterized in that: described oil outlet main body includes oil outlet pressure cap (19) and oil outlet mounting seat (17), described sealing is arranged in oil outlet pressure cap (19), outside sealing and the inwall interval of oil outlet pressure cap (19) is arranged, thus forming described oil passage excessively, oil nozzle (20) and sealing are pressed in oil outlet mounting seat (17) by oil outlet pressure cap (19), described elastic compression portion is arranged in oil outlet mounting seat (17), described oil outlet fuel feed hole is arranged in oil outlet mounting seat (17).
9. trace oiling device according to claim 7, it is characterised in that: described elastic compression portion is provided with pressure adjustment unit.
10. trace oiling device according to claim 1, it is characterised in that: described oil outlet (2) is provided with heating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215476.6A CN105650444A (en) | 2016-04-08 | 2016-04-08 | Trace oil injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215476.6A CN105650444A (en) | 2016-04-08 | 2016-04-08 | Trace oil injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105650444A true CN105650444A (en) | 2016-06-08 |
Family
ID=56497021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215476.6A Pending CN105650444A (en) | 2016-04-08 | 2016-04-08 | Trace oil injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105650444A (en) |
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| CN108799805A (en) * | 2018-05-29 | 2018-11-13 | 蛇口集装箱码头有限公司 | A kind of micro- oil mass lubricating method and device |
| CN109373170A (en) * | 2018-11-30 | 2019-02-22 | 重庆康世德源科技实业有限公司 | A kind of fuel-flow control, monitoring device |
| CN114791080A (en) * | 2022-05-25 | 2022-07-26 | 诸暨市樱芝雪机械有限公司 | Pressure regulating type grease fitting |
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| CN114791080A (en) * | 2022-05-25 | 2022-07-26 | 诸暨市樱芝雪机械有限公司 | Pressure regulating type grease fitting |
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Application publication date: 20160608 |