CN207421739U - A kind of grease pumping installations - Google Patents
A kind of grease pumping installations Download PDFInfo
- Publication number
- CN207421739U CN207421739U CN201721386126.2U CN201721386126U CN207421739U CN 207421739 U CN207421739 U CN 207421739U CN 201721386126 U CN201721386126 U CN 201721386126U CN 207421739 U CN207421739 U CN 207421739U
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- valve
- lever mechanism
- rod
- shifting part
- spool
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- 239000004519 grease Substances 0.000 title claims abstract description 66
- 238000005086 pumping Methods 0.000 title claims abstract description 51
- 238000009434 installation Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 230000009471 action Effects 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 238000001727 in vivo Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 65
- 238000010586 diagram Methods 0.000 description 24
- 239000000314 lubricant Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 239000002828 fuel tank Substances 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000001050 lubricating effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 241000473256 Erythrolamprus cursor Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a kind of grease pumping installations, including the pump housing, driving mechanism and plunger pair, further include reversal valve and lever mechanism, switching action of the spool of reversal valve between each valve position is driven by the wobbling action of lever mechanism, output revolving shaft drive has the shifting part rotated with it, during the forward and reverse reciprocating rotation of output revolving shaft, the forward and reverse shifting lever mechanism of shifting part makes lever mechanism reciprocally swinging so that reversal valve change over valve position, lever mechanism and shifting part are at least one for elastic construction, when output revolving shaft rotates forward or backwards, shifting part is contacted with lever mechanism and acted with movable valve plug, when spool is switched to corresponding station, by the flexible deformation of elastic construction shifting part and lever mechanism is made to slip over relatively.Driving part of the commutation power of the reversal valve of the utility model from driving plunger pair action, the spool of reversal valve is imparted power to by the cooperation of lever mechanism and shifting part, simple in structure, easy to use.
Description
Technical field
The utility model is related to a kind of grease pumping installations that lubricant grease is injected for bearing, belong to grease lubrication field.
Background technology
Centralized lubricating system is made outside large-scale engineering machinery, military machinery, long range automatic assembly line and extremely frigid zones room
All conglomeraties such as industry vehicle and machinery have a wide range of applications.Centralized lubricating system generally use grease pumping installations is by lubricating oil
Fat is pumped to grease distributor, is then delivered to each position to be lubricated by grease distributor.
At present, common grease pumping installations is plunger type grease pumping installations, specifically includes storage lubricant grease
Fuel tank, driver, plunger pair and the pump housing for installing former components；The inlet port of plunger pair is connected with fuel tank, driving
The output revolving shaft of device is arranged with eccentric wheel, and the plunger of plunger pair is along the output revolving shaft radially against in eccentric wheel rim.Work
When, the output revolving shaft rotating of driver, and with movable eccentric wheel rotating, so as to which the piston reciprocation of plunger pair be driven to move, with
Just the inlet port of plunger pair draws a certain amount of lubricant grease, and the pressure hydraulic fluid port through plunger pair is delivered to position to be lubricated.Its
In, reversal valve is provided on the lubricating pipe that is connected with the pressure hydraulic fluid port of plunger pair, which is configured at least two work
Position, when it is located at the first valve position, lubricant grease can be delivered to position to be lubricated, normally referred to as the pressure period, when it is located at
Second valve position, remaining lubricant grease can be back to fuel tank, normally referred to as the release stage.Specifically, which has
One oil inlet, an oil return opening and at least one oil outlet, wherein, oil inlet is connected with the pressure hydraulic fluid port of plunger pair, oil return
Mouth is connected with fuel tank, and oil outlet is connected with lubricating pipe.When reversal valve is located at the first valve position, oil inlet is turned on oil outlet,
Oil discharge outlet of the lubricant grease through plunger pair, the oil inlet of reversal valve, the oil outlet drawn so as to plunger pair flow into lubricating pipe, into
And it is delivered to position to be lubricated；When reversal valve is located at the second valve position, oil outlet is turned on oil return opening, so as to be remained in lubricating pipe
Oil outlet of the remaining lubricant grease through reversal valve, oil return opening flow back into fuel tank.Current grease pumping installations is mostly changed using electromagnetism
To valve, since reversal valve is larger by the lubricating grease resistance that influenced to commutate, be susceptible to using the reversal valve of Electronic control burn out it is existing
As the structure of reversing valve for control of surging is too complicated, and volume is larger.
Utility model content
The purpose of this utility model is to provide a kind of mechanical grease pumping installations, the overall structure of the grease pumping installations
It is compacter, it occupies little space.
In order to solve the above technical problems, grease pumping installations provided by the utility model includes the pump housing, with output revolving shaft
Driving mechanism and at least one plunger pair driven by the driving mechanism, further include reversal valve and be arranged on pump it is in vivo
Lever mechanism, the switching action of the spool of the reversal valve between each valve position is driven by the wobbling action of lever mechanism, described
Output revolving shaft drive has the shifting part that rotates with it, during the forward and reverse reciprocating rotation of output revolving shaft, the forward and reverse shifting lever of shifting part
Mechanism makes lever mechanism reciprocally swinging so that reversal valve change over valve position, the lever mechanism and shifting part is at least one is
Elastic construction, when output revolving shaft rotates forward or backwards, the shifting part is contacted with the lever mechanism and moved with movable valve plug
Make, when spool is switched to corresponding station, by the flexible deformation of elastic construction shifting part and lever mechanism is made to slip over relatively.
The utility model grease pumping installations replaces solenoid valve of the prior art using mechanical reversal valve, and same
When reversal valve is arranged in housing so that compact overall structure occupies little space；It also avoids simultaneously because of the external band of reversal valve
The problem of arrangement come is inconvenient.Driving part of the commutation power of the reversal valve of the utility model from driving plunger pair action,
The spool of reversal valve is imparted power to by the cooperation of lever mechanism and shifting part, output revolving shaft rotating can be with movable valve plug
In the in vivo switching moved back and forth and then realize working position of valve.Compared with electromagnetic type reversal valve, mechanical structure of reversing valve
Not power consumption can also reduce cost.
Further, the reversal valve is sliding valve structure.
Further, the reversal valve is two position switching valves.
Specifically, two position switching valve is four-way reversing valve, and during in the first valve position, the first of two position switching valves is fuel-displaced
The oil inlet of mouth two position switching valves of conducting, the second oil outlet turn on the drain tap of two position switching valve；During in the second valve position,
First oil outlet of two position switching valves turns on the drain tap of two position switching valves, the second oil outlet turn on two position switching valve into
Hydraulic fluid port.
Alternatively, two position switching valve is three-way diverter valve, and when reversal valve is in the first valve position, only described oil inlet and institute
State oil outlet conducting；When reversal valve is in the second valve position, the oil inlet, oil outlet and drain tap are mutually conducted.
Again alternatively, two position switching valve is two logical switch valves.
In above-mentioned various technical solutions on the basis of any one, the lever mechanism is elastic construction, including combined type
Lever, combined type lever include first, second body of rod, and one end of first body of rod is hinged with valve body and the hinge joint forms fulcrum,
The other end of first body of rod is hinged with second body of rod, and second body of rod and shifting part coordinate, and lever mechanism further includes positioned at first, the
The elastic component for making the conllinear trend of two bodies of rod holding of bipole body hinged place, elastic component make it after the second lever and shifting part stagger
It is returned to the position conllinear with the first lever.By elastic component second body of rod can be made with respect to first body of rod in certain angle scope
It inside deflects, when stirring second body of rod, first body of rod can also receive certain such shifting part under the action of elastic component
Power is stirred so as to switch station with movable valve plug, and second body of rod is toggled it into certain angle in shifting part and is staggered with second body of rod
Afterwards, second body of rod can be returned to the position conllinear with first body of rod under the action of elastic component, which can be in shifting part
The rotation process part that is struck again is stirred.
On the basis of said program, elastic component can be further limited as " u "-shaped spring clip, the card of " u "-shaped spring clip
For mouth by fulcrum towards second body of rod, the card of " u "-shaped spring clip sets length of the length more than first body of rod and less than first, second bar
The sum of length of body.First, second body of rod is clamped by " u "-shaped spring clip and provides elastic-restoring force, structure to second body of rod
Simply.
Alternatively, in above-mentioned various technical solutions on the basis of any one, the lever mechanism is elastic construction, including hinge
The rocking arm that is connected on valve body and be arranged on rocking arm one end elastic piece, the hinge joint of rocking arm and valve body forms fulcrum, spool
It is hinged on rocking arm, the elastic piece part that is struck when output revolving shaft rotates is stirred.
Alternatively, in above-mentioned various technical solutions on the basis of any one, the shifting part is elastic construction.
On the basis of above-mentioned various technical solutions, can limit the in vivo plunger pair of pump has at least two, each plunger pair
Oil discharge outlet turn on each other.
Description of the drawings
Fig. 1 shows the structure diagram of grease pumping installations in specific embodiment；
Fig. 2 is two position switching valves and the structure diagram of lever mechanism cooperation in Fig. 1；
Fig. 3 is the structure diagram of lever mechanism shown in Fig. 2；
A-c respectively illustrates the structural representation of the spring clip of lever mechanism, first body of rod and second body of rod in Fig. 3 in Fig. 4
Figure；
Fig. 5 is first body of rod of lever construction and the structure diagram of second body of rod cooperation in Fig. 3；
Fig. 6 is the left view of Fig. 5；
The driving bottom spool that a-d is respectively illustrated in lever mechanism shown in Fig. 3 in Fig. 7 switches to second by the first working position
The each position schematic diagram of working position；
The driving bottom spool that a-d is respectively illustrated in lever mechanism shown in Fig. 3 in Fig. 8 switches to first by the second working position
The each position schematic diagram of working position；
Fig. 9 is the structure diagram of the lever mechanism of second of embodiment of grease pumping installations；
The driving bottom spool that a-d is respectively illustrated in lever mechanism shown in Fig. 9 in Figure 10 switches to by the first working position
The each position schematic diagram of two working positions；
The driving bottom spool that a-d is respectively illustrated in lever mechanism shown in Fig. 9 in Figure 11 switches to by the second working position
The each position schematic diagram of one working position；
Figure 12 is the structure diagram of the lever mechanism in the embodiment three of grease pumping installations；
The driving bottom spool that a-d is respectively illustrated in lever mechanism shown in Figure 12 in Figure 13 switches to by the first working position
The each position schematic diagram of two working positions（Lever mechanism uses simplified painting）；
The driving bottom spool that a-d is respectively illustrated in lever mechanism shown in Figure 12 in Figure 14 switches to by the second working position
The each position schematic diagram of one working position（Lever mechanism uses simplified painting）；
Figure 15 is the structure diagram of the lever mechanism in the example IV of grease pumping installations；
Figure 16 is the structure diagram of the lever mechanism in the embodiment five of grease pumping installations；
Figure 17 shows the principle schematic of the grease pumping installations with the first two position switching valve；
Figure 18 shows the principle schematic of the grease pumping installations with second of two position switching valves；
Figure 19 shows the principle schematic of the grease pumping installations with the third two position switching valve.
Wherein, one-to-one relationships of the Fig. 1 into Figure 19 between component names and reference numeral is as follows：
The pump housing 10, delivery outlet 10a, plunger pair 20, motor 31, output revolving shaft 311, shifting part 321, two position switching valves 40,
Valve body 41, spool 42, locating part 43, lever mechanism 50, first body of rod 511, second body of rod 512, spring clip 513, Rocker arm 5 21,
Elastic piece 522, swing arm 531, elastic pulling part 532, fuel tank 60.
Specific embodiment
The core of the utility model is to provide a kind of grease pumping installations, and the overall structure of the grease pumping installations is more stepped up
It gathers, occupies little space.
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
It please refers to Fig.1, Fig. 1 shows the structure diagram of grease pumping installations in specific embodiment.
In the embodiment, grease pumping installations provided by the utility model includes the pump housing 10, is installed on the pump housing 10 at least
One plunger pair 20 and driving mechanism；Wherein, the inlet port connection fuel tank 60 of plunger pair 20；The driving mechanism can drive
The plunger of plunger pair 20, which moves reciprocatingly, pumps out the oil discharge outlet of the lubricant grease in fuel tank 60 from plunger pair 20.Plunger pair 20 with
Two position switching valves 40 are provided between exterior line.
In the embodiment, two position switching valves 40 are arranged on the pump housing 10, and oil inlet is connected with the oil discharge outlet of plunger pair 20,
Its oil return opening is connected with fuel tank 60, oil outlet connection exterior line, and the oil outlet of two position switching valves 40 is grease pumping dress
The delivery outlet 10a put.
Grease pumping installations further includes lever mechanism 50, which drives two under the drive of driving mechanism and change
Switch to the spool 42 of valve 40 between the first valve position and the second valve position, so that grease pumping installations is in fuel feeding stage and off-load rank
Switch between section.
Wherein, the fuel feeding stage refers to grease pumping installations and send lubricant grease pumping device to the stage at position to be lubricated, unloads
The lotus stage refers to the stage that remaining lubricant grease is back to fuel tank 60.
Grease pumping installations provided by the utility model sets two position switching valves 40 connected with the oil discharge outlet of plunger pair 20
It is placed on the pump housing 10, and passes through 42 switching position of spool that lever mechanism 50 drives two position switching valves 40, wherein, lever mechanism 50
It is driven by the driving mechanism of existing driving plunger pair 20 action, without being separately provided actuator again；With in the prior art
Reversal valve is external to be compared, and two position switching valves 40 are built in the pump housing 10 in this programme causes the overall structure of grease pumping installations more
Step up to gather, occupy little space, while also evaded the problems such as arrangement brought because reversal valve is external is inconvenient；In addition, in the present solution,
42 position of the spool switching of two position switching valves 40 is realized by the driving of mechanical lever mechanism 50, with electromagnetic type in the prior art
Reversal valve compare, the commutation of mechanical switching valve is more reliable and occupy little space.
In specific scheme, driving mechanism includes driver and eccentric wheel 32, is carried out herein using motor 31 as driver
Explanation, it should be understood that driver is alternatively other structures.Wherein, the output revolving shaft 311 of motor 31 can rotating, eccentric wheel
32 are fixed on by flat key on the output revolving shaft 311 of motor 31；The plunger of plunger pair 20 along output revolving shaft 311 radially against in
The wheel rim of eccentric wheel 32.Specifically, output revolving shaft 311 can be set to two-part coupling structure, wherein one section is fixedly arranged on motor 31
Interior, another section is plugged in eccentric wheel 32, convenient for assembling；Certainly, during actual setting, output revolving shaft 311 is whole segmentation structure
It is feasible.In this way, passing through motor 31 drives 32 rotating of eccentric wheel so that the plunger of plunger pair 20 is along output revolving shaft 311
It is radially reciprocating, and then the lubricant grease in fuel tank 60 is quantitatively pumped out.Lever mechanism 50 there are many concrete structure, below
It is illustrated with five embodiments.
The embodiment 1 of lever mechanism 50, please refers to Fig.2 to Fig. 6.In the embodiment, lever mechanism 50 includes combined lever,
Combined lever includes first body of rod 511, second body of rod 512, and lever mechanism further includes spring clip 513.The first of first body of rod 511
The valve body 41 with two position switching valves 40 is held to be rotatablely connected, can specifically be connected by axis pin, the second end and second of first body of rod 511
The first end of the body of rod 512 is hinged, also, the outer end of spool 42 and the second end of first body of rod 511 are hinged, specifically, Ke Yi
The outer end of the second end of first body of rod 511, the first end of second body of rod 512 and spool 42 opens up through hole, by axis pin by three
Connection.
First body of rod 511 and second body of rod 512 are folded in spring clip 513, as shown in figure 3, the profile of spring clip 513
Match with the peripheral wall after first body of rod 511 and the cooperation of second body of rod 512, that is to say, that spring clip 513 is the bullet of a " u "-shaped
Spring presss from both sides, in addition, being respectively provided with predetermined gap between the both sides of second body of rod 512 and the intermediate plate of spring clip 513.The bullet of spring clip 513
Spring force makes first body of rod 511 and second body of rod 512 remain conllinear trend, it is, the effect of external force is once lost, the
One body of rod 511 and second body of rod 512 will be conllinear under the effect of the elastic force of spring clip 513.
After as assembled above, under external force, first body of rod 511 can be rotated around its first end, and first body of rod 511 is rotating
It can be moved in the process with movable valve plug 42, so as to change the position of spool 42；After the rotation of first body of rod 511 is obstructed, cut with scissors with it
Second body of rod 512 connect still is able to the second end around first body of rod 511 under the effect of external force（Namely second the body of rod 512
One end）It rotates.
In order to avoid spool 42 moves excessively, the corresponding position on valve body 41 is additionally provided with the /V of 42 position of limitation spool
Part 43, after spool 42 is moved into place, by 43 backstop of locating part, first body of rod 511 can not be rotated further, so that 42 energy of spool
Enough it is maintained at respective valve position.
Shifting part 321 is provided on the output revolving shaft 311 of driving mechanism, when under driving of the shifting part 321 in motor 31 turns
When dynamic, shifting part 321 can promote the second end of second body of rod 512, so as to which lever mechanism 50 be driven to act.Certainly, at other
In embodiment, shifting part can also be arranged on eccentric wheel.
It is illustrated with reference to Fig. 7-8, how the lever mechanism 50 in the embodiment is under the driving of driving mechanism
With 42 switching position of movable valve plug.
Referring initially to Fig. 7, Fig. 7 shows that the driving bottom spool in lever mechanism shown in Fig. 3 switches to second by the first valve position
The each position schematic diagram of valve position.
When motor 31 drives output revolving shaft 311 to rotate forward（Rotate clockwise）When, the shifting part 321 set thereon is therewith just
Turn, and with second body of rod, 512 second end in contact of the lever mechanism 50, as shown in a figures in Fig. 7, when shifting part is rotated further, should
Shifting part promotes second body of rod 512, and entire lever mechanism 50 is driven to rotate, due to the clamping action of spring clip 513, at this point, the
One body of rod 511 and second body of rod 512 are used as a unitary rotation, in the process spool 42 are pulled to move, from the first valve position to
Second valve position switches.Spring clip 513 should have enough rigidity so that first body of rod 511 and second body of rod 512 can be kept
Unitary rotation.
When spool 42 switches to the second valve position, it is subject to the backstop action of corresponding locating part 43, spool 42 stops movement,
Correspondingly, the rotation of first body of rod 511 is also limited, as shown in b figures in Fig. 7.At this point, shifting part 321 still with second body of rod 512
Contact, shifting part 321 further rotate and then second body of rod 512 are promoted to be rotated further, it will be understood that due to first body of rod 511
Limited, only second body of rod 512 is rotated around its first end, and as shown in c figures in Fig. 7, during this, shifting part 321 squeezes second
The body of rod 512, second body of rod, 512 contact spring press from both sides the intermediate plate of 513 respective sides and promote intermediate plate that flexible deformation occurs and rotate together,
Until shifting part 321 is crossed second body of rod and departed from second body of rod 512, transported when shifting part 321 is continuous clockwise or counterclockwise
When turning, this movement relation between shifting part 321 and combined lever can continue to carry out, that is, shifting part can be crossed persistently and turned
Moving part, reversal valve will not commutate.After 321 and second body of rod 512 of shifting part departs from, second body of rod 512 is in 513 intermediate plate of spring clip
Effect is lower to be resetted, and as shown in d figures in Fig. 7, i.e. the second end of second body of rod 512 is returned back on the movement locus of shifting part 321, is made
When obtaining the reversion of shifting part 321, remain to contact and promote second body of rod 512, at this time, shifting part 321 will drive combined lever
It rotates and reversal valve is driven to commutate.
It should be appreciated that in Fig. 7 c to Fig. 7 d, since first body of rod 511 is motionless, spool 42 is limited by locating part 43
It can not move, so spool 42 can be maintained at the second valve position, during this, only second body of rod 512 acts.
Spool sets fixed shift motion in the present embodiment, when spool is moved to range with regard to slack.
The slewing area of lever mechanism is designed according to the shift motion of spool.
Referring again to Fig. 8, Fig. 8 shows that the driving bottom spool in lever mechanism shown in Fig. 3 switches to first by the second valve position
The each position schematic diagram of valve position.
When motor 31 drives output revolving shaft 311 to invert（Rotate counterclockwise）When, the shifting part 321 set thereon is anti-therewith
Turn, and with second body of rod, 512 second end in contact of the lever mechanism 50, as shown in a figures in Fig. 8, output revolving shaft 311 is rotated further
When, shifting part 321 promotes second body of rod 512, and entire lever mechanism 50 is driven to rotate, due to the clamping action of spring clip 513, this
When, first body of rod 511 and second body of rod 512 are used as a unitary rotation, in the process spool 42 are pulled to move, by the second valve
Position switches to the first valve position；It is appreciated that spring clip 513 should have enough rigidity so that first body of rod 511 and the second bar
Body 512 can keep unitary rotation.
When spool 42 switches to the first valve position, it is subject to the backstop action of corresponding locating part 43, spool 42 stops movement,
Meanwhile first the rotation of the body of rod 511 also limited, as shown in b figures in Fig. 8.At this point, shifting part 321 still with second body of rod 512
Contact, output revolving shaft 311 further rotate, and shifting part 321 promotes second body of rod 512 to be rotated further, it will be understood that at this point, by
Limited in first body of rod 511, only second body of rod 512 is rotated around its first end, as shown in c figures in Fig. 8, during this, and second
512 contact spring of the body of rod presss from both sides the intermediate plate of 513 respective sides and intermediate plate is promoted to rotate together, until 321 and second body of rod 512 of shifting part
Depart from, after 321 and second body of rod 512 of shifting part departs from, second body of rod 512 resets under the action of 513 intermediate plate of spring clip, such as
In Fig. 8 shown in d figures, i.e. the second end of second body of rod 512 is returned back on the movement locus of shifting part 321 so that shifting part 321 is just
When turning, remain to contact and promote second body of rod 512.
Similarly, in Fig. 8 c to Fig. 8 d, since first body of rod 511 is motionless, spool 42 is limited by locating part can not yet
Mobile, so spool 42 can be maintained at the first valve position, during this, only second body of rod 512 acts.
The embodiment 2 of lever mechanism 50, refer to Fig. 9, and Fig. 9 is the structure diagram of the lever mechanism of another embodiment.
In the embodiment, lever mechanism 50 includes Rocker arm 5 21 and elastic piece 522；Wherein, the first end of Rocker arm 5 21 and two position switching valves
40 valve body 41 is rotatablely connected, and the middle part of Rocker arm 5 21 is hinged with spool 42, and elastic piece 522 is fixed in the second end of Rocker arm 5 21.
After assembling, under external force, Rocker arm 5 21 can be rotated around its first end, and Rocker arm 5 21 can pull spool 42 to move in rotation process
It is dynamic, so as to change the position of spool 42.It is consistent with previous embodiment 1, it is corresponding on valve body 41 for spool 42 is avoided to move excessively
Position is additionally provided with the locating part 43 of 42 position of limitation spool, after spool 42 is moved into place, by 43 backstop of locating part, rocking arm
521 can not be rotated further, so that spool 42 can be maintained at respective valve position.In the embodiment, still need in the driving mechanism
Output revolving shaft 311 on shifting part 321 is set to promote elastic piece 522, then lever mechanism 50 is driven to act.
It please refers to Fig.1 0, Figure 10 and shows that the driving bottom spool in lever mechanism shown in Fig. 9 switches to by the first valve position
The each position schematic diagram of two valve positions.
It is similar with the handoff procedure of previous embodiment 1, in the embodiment, output revolving shaft 311 rotate forward so that shifting part 321 with
Elastic piece 522 contacts, and such as Figure 10 a, afterwards, output revolving shaft 311 is rotated further, and shifting part 321 promotes elastic piece 522, drives whole
A lever mechanism 50 rotates, it will be understood that the elastic piece 522 should have enough rigidity so that Rocker arm 5 21 and elastic piece
522 rotate as a whole, in the process spool 42 are pulled to move, are switched from the first valve position to the second valve position.
When spool 42 switches to the second valve position, equally by the backstop action of corresponding locating part 43, spool 42 stops movement, together
When, the rotation of Rocker arm 5 21 is restricted, as shown in fig. lob；At this point, shifting part 321 is still contacted with elastic piece 522, output revolving shaft
311 further rotate, and shifting part 321 promotes elastic piece 522, deforms elastic piece 522, as shown in figure l0c；Shifting part 321 after
Continuous to be rotated with output revolving shaft 311 and depart from elastic piece 522, since the active force of shifting part 321 disappears, elastic piece 522 replys original
Shape, as shown in fig. 10d, i.e., elastic piece 522 is returned back on the movement locus of shifting part 321, thus when shifting part 321 inverts still
It can contact and promote elastic piece 522.
It is also understood that in Figure 10 c to Figure 10 d, since Rocker arm 5 21 is motionless, spool 42 is limited by locating part 43
Also can not move, so spool 42 can be maintained at the second valve position, during this, only elastic piece 522 deforms.
During spool 42 switches to the first valve position by the second valve position, similar to the above, it is no longer repeated herein.Tool
Body can refer to Figure 11 understandings, and Figure 11 shows that the driving bottom spool in lever mechanism shown in Fig. 9 switches to first by the second valve position
The each position schematic diagram of valve position.
The position contacted with lever mechanism of shifting part 321 can set idler wheel, can so slow down the mill of shifting part 321
Damage.The embodiment 3 of lever mechanism 50 please refers to Fig.1 the structure diagram for the lever mechanism that 2, Figure 12 is another embodiment.
In the embodiment, lever mechanism 50 includes swing arm 531, and the first end of swing arm 531 and the valve body 41 of two position switching valves 40 rotate company
It connects, the middle part of swing arm 531 is connected with spool 42.After assembling, under external force, swing arm 531 can be rotated around its first end, swing arm
531 can pull spool 42 to move in rotation process, so as to change the position of spool 42.Similarly, for spool 42 is avoided to move
Excessively, the corresponding position on valve body 41 is also equipped with the locating part 43 of 42 position of limitation spool.In the embodiment, in output revolving shaft
The shifting part 532 set on 311 is elastic construction, and when output revolving shaft 311 rotates, swing arm 531 is promoted by elastic shifting part 532
Second end, and moved with movable valve plug 42.
It please refers to Fig.1 3, Figure 13 and shows that the driving bottom spool in lever mechanism shown in Figure 12 switches to by the first valve position
The each position schematic diagram of two valve positions.Similar with the handoff procedure of both of the aforesaid embodiment, in the embodiment, output revolving shaft 311 is just
Turn so that elastic shifting part 532 and the second end in contact of swing arm 531, such as Figure 13 a, afterwards, output revolving shaft 311 is rotated further, bullet
Property shifting part 532 swing arm 531 is promoted to rotate, it will be understood that the elasticity shifting part 532 should can be pushed away with enough rigidity
Movable pendulum arm 531 rotates, and swing arm 531 in the process pulls spool 42 to move, and is switched from the first valve position to the second valve position.
When spool 42 switches to the second valve position, equally by the backstop action of corresponding locating part 43, spool 42 stops movement, together
When, the rotation of swing arm 531 is restricted, as illustrated in fig. 13b；At this point, elastic shifting part 532 is still contacted with swing arm 531, output turns
Axis 311 further rotates, and since swing arm 531 does not reoperate, elastic shifting part 532 is limited to occur flexible deformation, such as Figure 13 c institutes
Show；Elastic shifting part 532 continues to rotate with output revolving shaft 311 and depart from swing arm 531, and after disengaging, elastic shifting part 532 replys original
Shape, as shown in figure 13d, to invert when still is able to contact and promotes swing arm 531.
During spool 42 switches to the first valve position by the second valve position, similar to the above, it is no longer repeated herein.Tool
Body can refer to Figure 14 understandings, and Figure 14 shows that the driving bottom spool in lever mechanism shown in Figure 12 switches to first by the second valve position
The each position schematic diagram of valve position.
Specifically, can idler wheel be set in 531 second end of swing arm and the contact position of elastic shifting part 532, to slow down elasticity
The abrasion of shifting part 532.
In above-described embodiment, shifting part is elastic piece, forms elastic construction, and in other embodiments, shifting part can be with
Elastic construction is formed using the structure type of the lever mechanism in such as embodiment 1.
Another embodiment of lever mechanism 50 please refers to Fig.1 the structure for the lever mechanism that 5, Figure 15 is another embodiment
Schematic diagram.In the embodiment, lever mechanism 50 includes Rocker arm 5 21 and elastic piece 522；Wherein, the middle part of Rocker arm 5 21 is changed with two
It is rotatablely connected to the valve body 41 of valve 40, the first end of Rocker arm 5 21 is hinged with spool 42, and elastic piece 522 is fixed in the of Rocker arm 5 21
Two ends.After assembling, under external force, Rocker arm 5 21 can be rotated around its middle part, and Rocker arm 5 21 can pull spool in rotation process
42 movements, so as to change the position of spool 42.It is consistent with previous embodiment 1, for spool 42 is avoided to move excessively, on valve body 41
Corresponding position is additionally provided with the locating part 43 of 42 position of limitation spool, after spool 42 is moved into place, by 43 backstop of locating part, shakes
Arm 521 can not be rotated further, so that spool 42 can be maintained at respective valve position.
It is consistent with previous embodiment 1, in the embodiment, still need to set on the output revolving shaft 311 of the driving mechanism and dial
Moving part 321 promotes elastic piece 522, then lever mechanism 50 is driven to act.
The embodiment 5 of lever mechanism 50, as shown in figure 16, in the embodiment, lever mechanism 50 includes swing arm 511, turns
Swing arm 512 and spring clip 513.The first end of swing arm 511 is hinged with spool 42, the middle part of swing arm 511 and two position switching valves
40 valve body 41 is rotatablely connected, and can specifically be connected by axis pin, and the second end of swing arm 511 is cut with scissors with the first end of cursor 512
It connects, specifically, through hole can be opened up in the second end of swing arm 511, the first end of cursor 512, connected the two by axis pin
It connects.Swing arm 511 and cursor 512 are folded in spring clip 513.
After as assembled above, under external force, swing arm 511 can be rotated around its middle part, and swing arm 511 is in rotation process
Spool 42 can be pulled to move, so as to change the position of spool 42；After the rotation of swing arm 511 is obstructed, the rotation hinged with it
The first end that arm 512 still is able to the i.e. cursor 512 of second end around swing arm 511 under the effect of external force rotates.
In order to avoid spool 42 moves excessively, the corresponding position on valve body 41 is additionally provided with the /V of 42 position of limitation spool
Part 43, after spool 42 is moved into place, by 43 backstop of locating part, swing arm 511 can not be rotated further, so that spool 42 can
It is maintained at respective valve position.
Shifting part is provided on the output revolving shaft 311 of driving mechanism, when the shifting part being rotated by motor 31
When, the shifting part can promote the second end of cursor 512, so as to which lever mechanism 50 be driven to act.
The specific embodiment of five kinds of lever mechanisms 50 is described above, it will be understood that on the basis of above-described embodiment, thick stick
Linkage 50 can also make various deformation.On the basis of the various embodiments described above, grease pumping installations can set multiple plungers
Pair 20, to adapt to the demand of the different oils fat pumping installations amount of sending；When plunger pair 20 has two or more, each plunger pair 20
Oil discharge outlet turn on each other, at this point, the oil inlet of two position switching valves 40 only needs the oil discharge outlet with any of which plunger pair 20 to connect
.
Furthermore it is possible in the overflow valve that is turned on fuel tank of oil discharge outlet setting of plunger pair 20, safety valve can be also set.
On the basis of the various embodiments described above, the oil outlet of two position switching valves 40 can only set one, may also set up two.
With reference to Figure 17, Figure 17 shows the principle schematic of the grease pumping installations with the first two position switching valve.
In the program, two position switching valves 40 are set there are two oil outlet A and B, at this point, two position switching valves 40 are two four
Port valve.Specifically it can be configured to, when two position switching valves 40 are located at the first valve position, oil inlet only turns on oil outlet A, and oil outlet B is only
Oil return opening is turned on, when two position switching valves 40 are located at the second valve position, oil inlet only turns on oil outlet B, and oil outlet A only turns on oil return
Mouthful.It in this way, exterior line can set two, is connected respectively with oil outlet A, B, during work, two exterior lines pass through reversal valve
Replace fuel feeding and off-load during in different valve positions.In specific scheme, the two-wire connected with oil outlet A, B can be set to distribute
Device is distributed lubricant grease to position to be lubricated by Double-wire distributor.
With reference to Figure 18, Figure 18 shows the principle schematic of the grease pumping installations with second of two position switching valves.
In the program, two position switching valves 40 are set there are one oil outlet C, at this point, two position switching valves 40 are two three
Port valve.When two position switching valves 40 are located at the first valve position, oil inlet is only turned on oil outlet C, and two position switching valves 40 are located at second
During valve position, drain tap, oil inlet and oil outlet C are mutually conducted.In this way, exterior line only sets one, connect with oil outlet C
Logical, during work, the exterior line both pipeline as pumping lubricant grease also served as the pipeline that Excess lubricating oil fat flows back.Tool
In the scheme of body, the single line distributor connected with oil outlet C can be set, distributed lubricant grease to treating by single line distributor
Lubricant housings.
With reference to Figure 19, Figure 19 shows the principle schematic of the grease pumping installations with second of two position switching valves.
In the program, two position switching valves 40 are set there are one oil outlet D, at this point, two position switching valves 40 are two three
Port valve.When two position switching valves 40 are located at the first valve position, oil inlet is only turned on oil outlet D, and two position switching valves 40 are located at second
During valve position, oil return opening is only turned on oil outlet D.In this way, exterior line only sets one, connected with oil outlet D, during work,
The exterior line both as the pipeline for pumping lubricant grease, also served as the pipeline that Excess lubricating oil fat flows back.In specific scheme,
The single line distributor connected with oil outlet D can be set, distributed lubricant grease to position to be lubricated by single line distributor.
In addition, specific can open up four passages when setting on two position switching valves 40, i.e., oil inlet there are one its tools,
One oil return opening and two oil outlets in application, one of oil outlet can be blocked according to practical matter, make it as two
Triple valve work, can not also block, make its as two-position four-way valve work, in this way, application flexibly, without because of use occasion not
It is specifically designed together.
Wherein, two position switching valves 40 could be provided as sliding valve structure, may be set to be rotary valve structure；When reversal valve uses
Adaptively change, it is necessary to be made to the structure of lever mechanism during rotary valve structure, the position of rotary valve will compared with above-described embodiment
In guiding valve turn over and turn 90 degrees, corresponding rotational handle on spool is set, is connected at the position of the fulcrum of rotational handle and lever mechanism
It connects or also can be with being connected at the articulated position hinged with spool of lever mechanism.Or in other embodiments, reversal valve
Even can be three-position four-way valve, spool have in its shift motion there are three station.
In other embodiments, lever mechanism or knockdown includes the elastomeric element that elastic clip is formed, meanwhile, it dials
Moving part is also using elastic shifting part, just can be full as long as ensureing that the rigidity of combined type lever is adapted to the rigidity value of elastic shifting part
Foot limit resistance transmission.
In other embodiments, lever mechanism can not also use laborsaving lever, such as the fulcrum of lever mechanism is arranged on
Between spool eccentric wheel namely fulcrum is arranged on the power intake coordinated with shifting part transmission of lever mechanism and is hinged on valve
Between hinge joint on core.
It should be further noted that in above-mentioned various embodiments, output revolving shaft can the indefinite circle of positive continuous rotation
Not fixing turn is rotated backward after number again, can also forward and reverse rotate insufficient a full circle, it is only necessary to the energy in rotational travel
Enough shifting lever mechanisms.Output revolving shaft can stop a period of time after not fixing turn is rotated forward, when needing action
It rotates backward.In forward and reverse rotational travel deficiency a full circle, one can be stopped when rotating forward extreme position
The section time rotates backward simultaneously reversely shifting lever mechanism when needing action.
Grease pumping installations provided by the utility model is described in detail above.It is used herein specifically a
Example is set forth the principle and embodiment of the utility model, and the explanation of above example is only intended to help to understand this reality
With new method and its core concept.It should be pointed out that for those skilled in the art, this is not being departed from
On the premise of utility model principle, can also to the utility model, some improvement and modification can also be carried out, do not making the creative labor
On the premise of, these improvement and modification are also fallen into the protection domain of the utility model claims.
Claims (11)
1. a kind of grease pumping installations, driving mechanism including the pump housing, with output revolving shaft and at least one by the driving machine
The plunger pair of structure driving, it is characterised in that：It further includes reversal valve and is arranged on the in vivo lever mechanism of pump, the reversal valve
Switching action of the spool between each valve position is driven by the wobbling action of lever mechanism, and the output revolving shaft drive rotates with it
Shifting part, during the forward and reverse reciprocating rotation of output revolving shaft, the forward and reverse shifting lever mechanism of shifting part makes lever mechanism reciprocally swinging
So that reversal valve change over valve position, the lever mechanism and the shifting part are at least one for elastic construction, in output revolving shaft just
To or when rotating backward, the shifting part is contacted with the lever mechanism and acted with movable valve plug, and corresponding work is switched in spool
During position, by the flexible deformation of elastic construction shifting part and lever mechanism is made to slip over relatively.
2. grease pumping installations according to claim 1, which is characterized in that the reversal valve is sliding valve structure.
3. grease pumping installations according to claim 2, which is characterized in that the reversal valve is two position switching valves.
4. grease pumping installations according to claim 3, which is characterized in that two position switching valve is four-way reversing valve,
During in the first valve position, the first oil outlet of two position switching valves turns on the oil inlet of two position switching valves, the second oil outlet conducting institute
State the drain tap of two position switching valves；During in the second valve position, the first oil outlet of two position switching valves turns on letting out for two position switching valves
Hydraulic fluid port, the second oil outlet turn on the oil inlet of two position switching valve.
5. grease pumping installations according to claim 4, which is characterized in that two position switching valve is three-way diverter valve,
When reversal valve is in the first valve position, only described oil inlet is turned on the oil outlet；When reversal valve is in the second valve position, it is described into
Hydraulic fluid port, oil outlet and drain tap are mutually conducted.
6. grease pumping installations according to claim 3, which is characterized in that two position switching valve is two logical switches
Valve.
7. the grease pumping installations according to any one of claim 1-6 claim, which is characterized in that the lever mechanism
For elastic construction, including combined type lever, combined type lever includes first, second body of rod, and one end and the valve body of first body of rod are cut with scissors
It connects and the hinge joint forms fulcrum, the other end of first body of rod is hinged with second body of rod, and second body of rod coordinates with shifting part, lever
Mechanism is further included makes two bodies of rod keep the elastic component of conllinear trend positioned at first, second body of rod hinged place, and elastic component is second
Lever makes it be returned to the position conllinear with the first lever after staggering with shifting part.
8. grease pumping installations according to claim 7, which is characterized in that the elastic component be " u "-shaped spring clip, " U "
By fulcrum towards second body of rod, the card of " u "-shaped spring clip sets length and is more than the length of first body of rod and small the bayonet of shape spring clip
In the sum of length of first, second body of rod.
9. according to the grease pumping installations described in claim 1-6 any one, which is characterized in that the lever mechanism is elasticity
The hinge joint structure of structure, the elastic piece including the rocking arm being hinged on valve body and the one end for being arranged on rocking arm, rocking arm and valve body
Into fulcrum, spool is hinged on rocking arm, and the elastic piece part that is struck when output revolving shaft rotates is stirred.
10. according to the grease pumping installations described in claim 1-6 any one, which is characterized in that the shifting part is elasticity
Structure.
11. grease pumping installations according to claim 1, which is characterized in that pumping in vivo plunger pair has at least two, respectively
The oil discharge outlet of plunger pair turns on each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721386126.2U CN207421739U (en) | 2017-10-25 | 2017-10-25 | A kind of grease pumping installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721386126.2U CN207421739U (en) | 2017-10-25 | 2017-10-25 | A kind of grease pumping installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421739U true CN207421739U (en) | 2018-05-29 |
Family
ID=62309748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721386126.2U Withdrawn - After Issue CN207421739U (en) | 2017-10-25 | 2017-10-25 | A kind of grease pumping installations |
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| Country | Link |
|---|---|
| CN (1) | CN207421739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080699A1 (en) * | 2017-10-25 | 2019-05-02 | 郑州奥特科技有限公司 | Grease pumping device |
| WO2019080698A1 (en) * | 2017-10-25 | 2019-05-02 | 郑州奥特科技有限公司 | Grease pump |
-
2017
- 2017-10-25 CN CN201721386126.2U patent/CN207421739U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080699A1 (en) * | 2017-10-25 | 2019-05-02 | 郑州奥特科技有限公司 | Grease pumping device |
| WO2019080698A1 (en) * | 2017-10-25 | 2019-05-02 | 郑州奥特科技有限公司 | Grease pump |
| CN109707982A (en) * | 2017-10-25 | 2019-05-03 | 郑州奥特科技有限公司 | Grease pumping installations |
| US11560980B2 (en) | 2017-10-25 | 2023-01-24 | Zhengzhou Autol Technology Co., Ltd. | Grease pumping device |
| CN109707982B (en) * | 2017-10-25 | 2024-04-02 | 郑州奥特科技有限公司 | Grease pumping device |
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