CN102168800A - Dual-point oil supply oil feeder and oil feeder integration - Google Patents
Dual-point oil supply oil feeder and oil feeder integration Download PDFInfo
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- CN102168800A CN102168800A CN2010101138699A CN201010113869A CN102168800A CN 102168800 A CN102168800 A CN 102168800A CN 2010101138699 A CN2010101138699 A CN 2010101138699A CN 201010113869 A CN201010113869 A CN 201010113869A CN 102168800 A CN102168800 A CN 102168800A
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Abstract
The invention relates to a dual-point oil supply oil feeder, which comprises a shell, a valve core cavity formed in the shell and a valve core formed in the valve core cavity, wherein an oil inlet and two oil outlets are formed on the shell; when the valve core is positioned at the closed position, an oil baffle shoulder blocks the oil inlet; and when the valve core is positioned at the opening position, the oil inlet and the two oil outlets are communicated simultaneously. The dual-point oil supply oil feeder can supply oil to two lubricating points simultaneously when making motion at a time, so that the oil supply efficiency is improved; and the technical problem that the conventional oil feeder only can supply the oil to one lubricating point is solved. In the oil feeder integration, a plurality of dual-point oil supply oil feeders are integrated according to the number of the lubricating points, more lubricating points can be lubricated simultaneously under the condition of few oil feeders, so the lubricating efficiency is improved. Simultaneously, a structure of the conventional lubricating device is simplified, and the cost is reduced, so the dual-point oil supply oil feeder is particularly suitable for lubricating occasions when the lubricating points are more.
Description
Technical field
The present invention relates to a kind of oilier.Specifically a kind of can be simultaneously to the oilier of two lubricating point fuel feeding.
Background technique
Existing oilier action once can only be carried out fuel feeding to a lubricating point, is applicable to and has only equipment several or tens lubricating points.In the time need being lubricated to the equipment that tens even up to a hundred lubricating points are arranged, then need tens even up to a hundred oiliers, cause complex structure, cost height.Publication number is that the utility model patent of CN201246595Y discloses a kind of two-point supply valve-type oil feeder, this valve-type oil feeder comprises housing spool and piston, have valve pocket and piston cavity in the housing, spool can be arranged in the valve pocket with moving axially, and piston can be arranged in the piston cavity with moving axially.Spool can move axially between first working position and second working position.When first working position, filler opening is communicated with second outlet by first valve pocket and first flow, and first outlet ends.When second working position, filler opening is communicated with second outlet by second valve pocket and second runner, and first outlet ends.When second working position, filler opening is communicated with first outlet by second valve pocket and first flow, and second outlet ends.Described piston is arranged in the described piston cavity, and can move axially by the effect of oil pressure.By spool to-and-fro motion between first and second working positions, this two-point supply valve-type oil feeder can alternately be two lubricating point supplying lubricating oils, has improved working efficiency.This two-point supply valve-type oil feeder is in order to carry out fuel feeding to two lubricating points, compare with oilier commonly used and to have saved a valve, but increased a piston cavity and be located at the interior piston of piston cavity, its structure is more complicated still, and its realization is that two lubricating points are replaced fuel feeding, and efficient is lower.In addition, existing oilier or dispersion setting take bigger place, or concentrate in a certain equipment, not easy-maintaining.
Summary of the invention
For this reason, technical problem to be solved by this invention is to overcome existing oilier complex structure, inefficient defective, provides a kind of action once can carry out the oilier of fuel feeding simultaneously to two lubricating points.
It is integrated that another object of the present invention provides a kind of oilier, overcome that the oilier quantity that existing lubricating fitting needs is many, complex structure, defect of high cost, under the situation to the lubricating point fuel feeding of equal number, can significantly reduce the quantity of oilier.
For solving the problems of the technologies described above, two point fuel feeding oilier of the present invention comprises
Housing has spool chamber in the described housing, also has filler opening and two oil outlets of being connected with described spool chamber in the described housing;
Spool, can be installed in the described spool chamber axially slidably, described spool is provided with oil-feed tank and retaining oil shoulder, and described spool one side is provided with the position-limit mechanism that promotes valve core movement and the displacement of described valve core movement is limited, and described spool one side is equipped with the valve core spring that makes described valve core reset;
When described spool was in the closed position, described retaining oil shoulder was blocked described filler opening; When described spool was shown in an open position, described filler opening was communicated with two described oil outlets simultaneously by described oil-feed tank.
Described position-limit mechanism comprise the piston cavity that is opened in described spool one side and be located in the described piston cavity with described piston cavity match merge can with the coaxial mobile promotion piston of described spool, the diameter of described piston cavity is greater than the diameter of described spool chamber, described promotion piston has the projection that can stretch into described spool chamber near a side of described spool chamber, more than or equal to the spool working stroke, the range of described promotion piston equals described spool working stroke to described projection in the size of described spool axial direction.
Also comprise two fluid sensing devices that are connected with two described oil outlets respectively, each described fluid sensing device comprises signal generator and is used for receiving the signal transmitting device of the signal of described signal generator generation, when described spool was positioned at open position, two described signal generators were connected with described spool chamber by two sensing passages that form in the described housing respectively.
Described signal generator comprises that the signal chamber can be arranged on the sensingpiston in the described signal chamber axially slidably, described sensingpiston is divided into described signal chamber the influent stream chamber and goes out to flow the chamber, one end of described sensingpiston is installed with sense cell, and an end of described sensingpiston also is provided with the piston spring that described sensingpiston is resetted.
Described signal generator is provided with and is used for regulating the described controlling device that goes out to flow the chamber maximum volume.
Described controlling device is an adjustable lever, at least one end formed tapped hole that has of described sensingpiston, form the screw thread that matches with described tapped hole on the described adjustable lever, by changing the stroke that length that described adjustable lever screws in described tapped hole changes described sensingpiston.
Described position-limit mechanism is controlled by compressed gas source.
On the housing of described piston cavity one side the seal arrangement that is used for sealing described piston cavity is installed, is formed with the air delivering pipeline that connects described piston cavity and compressed gas source on the described seal arrangement.
Described promotion piston is formed with air cavity away from a side of described spool.
Comprise several above-mentioned each described two point fuel feeding oiliers, described two point fuel feeding oilier is fixedly mounted on the base, described base is provided with oil inlet pipe and suction tude, described suction tude is connected with described piston cavity by described air delivering pipeline, and described oil inlet pipe is connected with described filler opening.
Technique scheme of the present invention has the following advantages compared to existing technology: the every action of (1) two point fuel feeding of the present invention oilier once can be carried out fuel feeding to two lubricating points simultaneously, and the lubricating efficiency of oilier is doubled.Secondly, this oilier has removed piston or other structures, makes structure simpler, has therefore reduced cost greatly, and in addition, the fuel feeding of each lubricating point is separate, and the fuel feeding of a lubricating point produces and stops up the fuel feeding that can not influence other lubricating points.(2) adopt position-limit mechanism that the moving displacement of spool is limited, guarantee that spool opens and closes the validity of position.(3) valve is linked to each other with fluid sensor, can monitor whether oil supply of oilier in real time.The every action of this two point fuel feeding oilier once in addition, the certain distance of piston motion in the described fluid sensor, squeeze out a certain amount of lubricant oil, therefore can carry out quantitative fuel feeding to lubricating point by the mode of control oilier time of movement, set up the controlling device of the range of regulating this piston in addition, therefore, regulating piston whenever moves the oil pump capacity of a stroke according to the actual needs.(4) switching of adopting pressurized gas to come control valve, safety and reliability not only, also save electric energy greatly, also avoided existing Electromagnetic Control to be subjected to the defective of temperature and humidity influence easily in addition, made this oilier under the higher operating mode of high temperature or humidity, also can guarantee normal fuel feeding.(5) also be installed with a seal arrangement that is used for the packed-piston chamber on the described housing, when the motion of spool went wrong, detachable lower sealing device overhauled, and maintenance is convenient.(6) oilier of the present invention is integrated, and that the quantity that not only can reduce oilier makes is simple in structure, reduce cost, raise the efficiency, and also can monitor in real time the fuel feeding of oilier.(7) the integrated convenient disassembly of this oilier when certain oilier breaks down, is changed the oilier that breaks down with standby oilier, can come into operation, and can not influence the fuel feeding of other lubricating points.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the front section view of described two point fuel feeding oilier when spool is positioned at closed position;
Fig. 2 is the front section view of described two point fuel feeding oilier when spool is positioned at open position;
Fig. 3 is the three-dimensional cutaway view of described two point fuel feeding oilier spool when being positioned at closed position;
Fig. 4 is the three-dimensional cutaway view of described two point fuel feeding oilier spool when being positioned at open position;
Fig. 5 is the structural representation that the signal generator of flow regulator is installed;
The stereogram that the described oilier of Fig. 6 is integrated.
Reference character is expressed as among the figure: 1-housing, 2-spool chamber, 21-filler opening, 22a, the 22b-oil outlet, 3-spool, 31-oil-feed tank, 32-retaining oil shoulder, the 4-position-limit mechanism, the 41-piston cavity, 42-promotes piston, the 43-air cavity, 5-valve core spring, 6-signal generator, 60-signal chamber, 61-sensingpiston, 62-sense cell, the 63-piston spring, 64-influent stream chamber, 65-goes out to flow the chamber, the 66-adjustable lever, the 67-inflow port, 68-goes out head piece, 69-feeder current mouth, 7-signal transmitting device, 8-air delivering pipeline, the 9-seal arrangement, 10-base, 11-oil inlet pipe, the 12-suction tude, the 13-oilier is integrated, the 14-sensing passage.
Embodiment
Two point fuel feeding oilier of the present invention as shown in Figures 1 to 4, comprises housing 1, is opened in spool chamber 2 in the housing 1, can be arranged on spool 3 and fluid sensing device in the described spool chamber 2 axially slidably.Described fluid sensing device comprises signal generator 6 and signal transmitting device 7, and described signal transmitting device 7 is arranged on a side of described signal generator 6.One side of described spool 3 is provided with the position-limit mechanism 4 that promotes spool 3 motions and its movement travel is limited, and the other end is provided with the bias piece that spool 3 is resetted, and is valve core spring 5 in the present embodiment.
Offer oil-feed tank 31 and retaining oil shoulder 32 on the described spool 3, offer filler opening 21 and two oil outlet 22a on the described spool chamber 2,22b, two described oil outlet 22a, 22b is opened on the described spool chamber 2 symmetrically.In described housing 1, also offer two respectively with two oil outlet 22a, the sensing passage 14 that 22b is connected, the other end of described sensing passage 14 is connected with described signal generator 6.When spool 3 was in closed condition, as Fig. 3 and shown in Figure 5, described retaining oil shoulder 32 was blocked described filler opening 21, and lubricant oil can not enter spool chamber 2.When described spool 3 was shown in an open position, described filler opening 21 was by described oil-feed tank 31 and two described oil outlet 22a, and 22b communicates simultaneously, and as Fig. 4 and Fig. 6, the displacement of described spool 3 between from the closed position to the open position is described spool working stroke.The position-limit mechanism that moves through of described spool 3 promotes, and limits the displacement of its motion by position-limit mechanism.
Described position-limit mechanism 4 comprises the piston cavity 41 that is opened in described spool chamber 2 one sides and is slidably disposed on the promotion piston 42 that matches with described piston cavity 41 in the described piston cavity 41 that the action that promotes piston 42 drives by the pressurized gas that compressed gas source provides.Described promotion piston 42 can coaxially move with described spool 3, is used for promoting described spool 3 and slides in described spool chamber 2.Described promotion piston 42 end that contacts with spool 3 has the projection that can stretch into described spool chamber, is the cylindrical bump of a diameter less than described spool chamber 2 diameters in the present embodiment.The diameter of described piston cavity 41 is greater than the diameter of described spool chamber 2, and the diameter of described promotion piston 42 the other ends is also greater than the diameter of described spool chamber 2.Described promotion piston 42 is away from being provided with air cavity 43 between end of described spool 3 and the described piston cavity 41, is used for stored-gas and increase the lifting surface area of described promotion piston 42 away from described spool 3 time.In the present embodiment, described air cavity 43 is opened in and promotes can save the space of piston cavity 41 like this, thereby also can dwindle the volume of whole oilier in the end of piston 42 away from described spool 3.
Also be installed with a seal arrangement 9 that is used for sealing described piston cavity 41 on the described housing 1, be formed with the air delivering pipeline 8 that communicates with described air cavity 43 on the described seal arrangement 9.In the present embodiment, described seal arrangement 9 is one to be fixed on screw on the housing 1 by screw thread.When the motion of spool went wrong, detachable lower sealing device 9 overhauled, and made that maintenance is convenient and easy.
When the air valve of compressed gas source was opened, the gas of certain pressure was 0.4MPa in the present embodiment, enters described air cavity 43 by pneumatic tube, made to promote the left side motion of piston 42 promotion spools 3 in figure.When promoting piston 42 and move to position shown in Fig. 2, its large diameter end and spool chamber 2 are inconsistent, make stopping of promotion piston 42, and spool chamber 2 communicates with oil inlet pipe 11 tunnel, and valve is shown in an open position.Lubricant oil enters in the oil-feed tank 31 of spool 3, and respectively by two oil outlet 22a, 22b flows into the sensor passage 14 that is located in the housing 1, and then flow in two signal generators 6.The every action of existing oilier once can only be carried out fuel feeding to a lubricating point, therefore needs to use more oilier, and structure more complicated, cost are than higher.And oilier of the present invention can carry out fuel feeding to two lubricating points simultaneously, simplifies the structure.In addition, the present invention has adopted the switching of pressurized gas control valve, the air pressure that is adopted is very little, and the control of gas valve is only needed very little electric current, for the mode that adopts big Current Control valve, little power consumption of the present invention, but energy saving, owing to only adopt little electric current, also compare safety simultaneously.Also avoid existing Electromagnetic Control to be subjected to the defective of temperature and humidity influence easily in addition, made this oilier under the higher operating mode of high temperature or humidity, also can guarantee normal fuel feeding.
The structure of signal generator is as Fig. 1, Fig. 2 and shown in Figure 5: as described in have two signal chambeies 60 up and down in the housing 1, the side in each described signal chamber 60 is equipped with a signal transmitting device 7.All be provided with sensingpiston 61 in each signal chamber 60 slidably, described sensingpiston 61 is divided into described signal chamber 60 influent stream chamber 64 and goes out to flow chamber 65.Have the inflow port (not shown) that communicates with described spool chamber 2 on the housing 1 of described influent stream chamber 64 1 sides, have out the head piece (not shown) on the described housing 1 that goes out to flow chamber 65 1 sides, make lubricant oil under the pressure effect of pick-up piston, be extruded signal generator 6, enter the pipeline that leads to lubricating point.On the described housing 1 that goes out to flow chamber 65 1 sides, also have the feeder current mouth (not shown) of make-up oil.Described sensingpiston 61 is provided with piston rod near an end that goes out to flow chamber 65, the position that described piston rod and described sensingpiston 61 join is provided with step, be used for carrying out spacingly to being located at out in the stream chamber 65 piston spring 63 between the described sensingpistons 61 and described housing 1, described piston spring 63 is used for making spring reset.The end of described piston rod is formed with mounting hole vertically, mounting hole is fixed with a sense cell 62, be a permanent magnet in the present embodiment, described signal transmitting device 7 is a hall sensor in the present embodiment, is arranged on the side that sensingpiston 61 is fixed with permanent magnet.Along with the motion of sensingpiston 61, described influent stream chamber 64 and the described volume that goes out to flow chamber 65 constantly change.Because the stroke of described sensingpiston 61 is determined, promptly the maximum volume that goes out to flow chamber 65 is determined, thereby sensingpiston 61 each high order ends from Fig. 1, Fig. 2 move to low order end, also determine from the described amount that goes out the oiling agent that head piece 68 flows out, can realize from going out the quantitative control of the oiling agent that head piece 68 flows out by the stroke of setting sensingpiston 61.When the lubricant oil in the influent stream chamber 64 promotes sensingpiston 61 when going out to flow chamber 65 motions, this permanent magnet is near hall sensor, hall sensor is subjected to sending signal to supervisory system after the effect of magnetic force, expression sensingpiston 61 is expressed to lubrication piping with lubricant oil in signal generator 6, do not produce and stop up.The also available dry reed-pipe of hall sensor among the above embodiment substitutes.
Described signal generator among the above embodiment also can be installed flow regulator, concrete structure is as Fig. 5: as described in controlling device be an adjustable lever 66 in the present embodiment, described sensingpiston 61 at least one end formed tapped holes that have, described adjustable lever 66 is formed with the screw thread that matches with described tapped hole.Change the stroke of described sensingpiston by the length that changes the described tapped hole of described adjustable lever 66 screw-ins, thereby adjust the amount of the lubricant oil of at every turn extruding in the stream chamber.
The driving mode of oilier spool is not limited only to the Starting mode that compressed gas source provides among the above embodiment, also can drive in other way, as hydraulic driving, be specially the pressure oil input air delivering pipeline 8 that oil hydraulic pump is provided, utilize the motion of the pressure-driven position-limit mechanism and then the driving spool of liquid; Perhaps motor-driven driving is specially and adopts the driven by motor eccentric wheel, promotes transmission shaft and then promotes position-limit mechanism and valve core movement.
Figure 6 shows that the oilier that combines by four oiliers integrated 13, each described oilier should be installed on the base 10 by screw, described base 10 is provided with oil inlet pipe 11 and suction tude 12, described suction tude 12 is connected with described air cavity 43 by described tracheae 8, and described oil inlet pipe 11 is connected with described filler opening 21.This oilier is integrated can be simultaneously to eight lubricating point fuel feeding, with eight filling valves of employing the mode that eight lubricating points carry out fuel feeding is compared, this oilier integrated 13 only adopts four oiliers, has dwindled shared space greatly, and structure is also simple than existing lubricating fitting.When wherein some oiliers break down, can unload screw, with standby oilier the oilier that breaks down is replaced, can normally use, compare with all-in-one-piece lubricating utensil, its dismounting, easy to maintenance, and can not influence use.In above embodiment, described oilier integrated 13 can be according to the oilier of the integrated any number of quantity of the lubricating point of reality.
Two point fuel feeding oilier of the present invention is not only applicable to liquid lubricant oil, is particularly useful for solid-state and semi-solid lubricating grease.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. a two point fuel feeding oilier is characterized in that: comprise
Housing (1) has spool chamber (2) in the described housing (1), also have in the described housing (1) filler opening (21) that is connected with described spool chamber (2) and two oil outlets (22a, 22b);
Spool (3), can be installed in axially slidably in the described spool chamber (2), described spool (3) is provided with oil-feed tank (31) and retaining oil shoulder (32), described spool (3) one sides are provided with the position-limit mechanism (4) that promotes spool (3) motion and the displacement of described spool (3) motion is limited, and described spool (3) one sides are equipped with the valve core spring (5) that described spool (3) is resetted;
When described spool (3) was in the closed position, described retaining oil shoulder (32) was blocked described filler opening (21); When described spool (3) when being shown in an open position, (22a 22b) is communicated with described filler opening (21) simultaneously with two described oil outlets by described oil-feed tank (31).
2. two point fuel feeding oilier according to claim 1, it is characterized in that: described position-limit mechanism (4) comprise the piston cavity (41) that is opened in described spool (3) one sides and be located in the described piston cavity (41) with described piston cavity (41) match merge can with the coaxial mobile promotion piston (42) of described spool (3), the diameter of described piston cavity (41) is greater than the diameter of described spool chamber (2), described promotion piston (42) has the projection that can stretch into described spool chamber (2) near a side of described spool chamber (2), more than or equal to the spool working stroke, the range of described promotion piston (42) equals described spool working stroke to described projection in the size of described spool (3) axial direction.
3. two point fuel feeding oilier according to claim 2, it is characterized in that: also comprise respectively and two described oil outlet (22a, two fluid sensing devices that 22b) are connected, each described fluid sensing device comprises signal generator (6) and is used for receiving the signal transmitting device (7) of the signal of described signal generator (6) generation, when described spool (3) when being positioned at open position, two described signal generators (6) are connected with described spool chamber (2) by two sensing passages (14) that form in the described housing (1) respectively.
4. two point fuel feeding oilier according to claim 3, it is characterized in that: described signal generator (6) comprises signal chamber (60), can be arranged on the sensingpiston (61) in the described signal chamber (60) axially slidably, described sensingpiston (61) is divided into described signal chamber (60) influent stream chamber (64) and goes out to flow chamber (65), one end of described sensingpiston (61) is installed with sense cell (62), and an end of described sensingpiston (61) also is provided with the piston spring (63) that described sensingpiston (61) is resetted.
5. two point fuel feeding oilier according to claim 4 is characterized in that: described signal generator (6) is provided with and is used for regulating the described controlling device that goes out to flow chamber (65) maximum volume.
6. two point fuel feeding oilier according to claim 5, it is characterized in that: described controlling device is an adjustable lever (66), at least one end formed tapped hole that has of described sensingpiston (61), described adjustable lever forms the screw thread that matches with described tapped hole on (66), changes the stroke of described sensingpiston (61) by the length that changes the described tapped hole of described adjustable lever (66) screw-in.
7. according to each described two point fuel feeding oilier among the claim 1-6, it is characterized in that: described position-limit mechanism (4) is controlled by compressed gas source.
8. two point fuel feeding oilier according to claim 7, it is characterized in that: the seal arrangement (9) that is used for sealing described piston cavity (41) is installed on the housing (1) of described piston cavity (41) one sides, is formed with the air delivering pipeline (8) that connects described piston cavity (41) and compressed gas source on the described seal arrangement (9).
9. two point fuel feeding oilier according to claim 8 is characterized in that: described promotion piston (42) is formed with air cavity (43) away from a side of described spool.
10. an oilier is integrated, it is characterized in that: comprise each the described two point fuel feeding oilier among several claims 1-9, described two point fuel feeding oilier is fixedly mounted on the base (10), described base (10) is provided with oil inlet pipe (11) and suction tude (12), described suction tude (12) is connected with described piston cavity (41) by described air delivering pipeline (8), and described oil inlet pipe (11) is connected with described filler opening (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010113869 CN102168800B (en) | 2010-02-25 | 2010-02-25 | Dual-point oil supply oil feeder and oil feeder integration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010113869 CN102168800B (en) | 2010-02-25 | 2010-02-25 | Dual-point oil supply oil feeder and oil feeder integration |
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| CN102168800A true CN102168800A (en) | 2011-08-31 |
| CN102168800B CN102168800B (en) | 2013-12-18 |
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| CN 201010113869 Active CN102168800B (en) | 2010-02-25 | 2010-02-25 | Dual-point oil supply oil feeder and oil feeder integration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102878411A (en) * | 2012-10-26 | 2013-01-16 | 江苏智源科技创业园有限公司 | Plate type oil feeder |
| CN107023741A (en) * | 2016-02-02 | 2017-08-08 | 沈阳路邦机械有限公司 | Oiling machine |
| CN109838675A (en) * | 2019-03-22 | 2019-06-04 | 漯河润宝智能润滑设备有限公司 | Intelligent double site type oil feeder |
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| JPS57146994A (en) * | 1981-03-06 | 1982-09-10 | Hitachi Ltd | Oiler for bearing of rotary machine |
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| CN109838675A (en) * | 2019-03-22 | 2019-06-04 | 漯河润宝智能润滑设备有限公司 | Intelligent double site type oil feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102168800B (en) | 2013-12-18 |
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