CN207421742U - A kind of grease pump - Google Patents
A kind of grease pump Download PDFInfo
- Publication number
- CN207421742U CN207421742U CN201721386643.XU CN201721386643U CN207421742U CN 207421742 U CN207421742 U CN 207421742U CN 201721386643 U CN201721386643 U CN 201721386643U CN 207421742 U CN207421742 U CN 207421742U
- Authority
- CN
- China
- Prior art keywords
- valve
- lever mechanism
- reversal valve
- shifting part
- grease pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000004519 grease Substances 0.000 title claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 238000010276 construction Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 66
- 239000000314 lubricant Substances 0.000 description 16
- 239000002828 fuel tank Substances 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 9
- 230000001050 lubricating effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 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
- 239000004744 fabric Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a kind of grease pump, 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, elastic construction is provided in the pump housing, when output revolving shaft rotates forward or backwards, shifting part is contacted with the lever mechanism and acted with movable valve plug, elastic construction is compressed, when spool is switched to corresponding station, shifting part and lever mechanism be opposite to be slipped over and elastic construction is supplied to lever mechanism elastic acting force to make its reset.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 pumps 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 pump pumps lubricant grease
To grease distributor, each position to be lubricated is then delivered to by grease distributor.
At present, common grease pump is plunger type grease pump, specifically include the storage fuel tank of lubricant grease, driver,
Plunger pair and the pump housing for installing former components；The inlet port of plunger pair is connected with fuel tank, the output revolving shaft of driver
It is arranged with eccentric wheel, the plunger of plunger pair is along the output revolving shaft radially against in eccentric wheel rim.During work, driver it is defeated
Go out shaft rotating, and with movable eccentric wheel rotating, so as to which the piston reciprocation of plunger pair be driven to move, so as to the oil suction of plunger pair
Mouth draws a certain amount of lubricant grease, and the pressure hydraulic fluid port through plunger pair is delivered to position to be lubricated.Wherein, with the pressure of plunger pair
Reversal valve is provided on the lubricating pipe of oil discharge outlet connection, which is configured at least two working positions, when it is located at first
Valve position, lubricant grease can be delivered to position to be lubricated, normally referred to as the pressure period, remaining when it is located at the second valve position
Lubricant grease can be back to fuel tank, normally referred to as the release stage.Specifically, the reversal valve tool there are one oil inlet, one
Oil return opening and at least one oil outlet, wherein, oil inlet is connected with the pressure hydraulic fluid port of plunger pair, and oil return opening is connected with fuel tank, is gone out
Hydraulic fluid port is connected with lubricating pipe.When reversal valve is located at the first valve position, oil inlet is turned on oil outlet, is drawn so as to plunger pair
Oil discharge outlet of the lubricant grease through plunger pair, the oil inlet of reversal valve, oil outlet flow into lubricating pipe, and then are delivered to portion to be lubricated
Position；When reversal valve is located at the second valve position, oil outlet is turned on oil return opening, so that remaining lubricant grease is through changing in lubricating pipe
Oil outlet, oil return opening to valve flow back into fuel tank.Current grease pump is mostly using solenoid directional control valve, since reversal valve is by lubricating grease
Influence commutation resistance it is larger, burnout phenomenon is susceptible to using the reversal valve of Electronic control, the structure of reversing valve for control of surging
Too complicated, volume is larger.
Utility model content
The purpose of this utility model is to provide a kind of mechanical grease pump, and the overall structure of the grease pump is compacter, accounts for
It is small with space.
In order to solve the above-mentioned technical problem, the grease pump of the utility model, the driving mechanism including the pump housing, with output revolving shaft
And at least one plunger pair driven by the driving mechanism, it further includes reversal valve and is arranged on the in vivo Lever machine of pump
Structure, the switching action of the spool of the reversal valve between each valve position are driven by the wobbling action of lever mechanism, and the output turns
Axis drive has the shifting part that rotates with it, and during the forward and reverse reciprocating rotation of output revolving shaft, the forward and reverse shifting lever mechanism of shifting part makes
For lever mechanism reciprocally swinging so that reversal valve change over valve position, the pump housing is interior to be respectively arranged with elastic knot in the both sides of lever mechanism
Structure, when output revolving shaft rotates forward or backwards, the shifting part is contacted with the lever mechanism and acted with movable valve plug, elasticity
Structure is compressed, and when spool is switched to corresponding station, shifting part and lever mechanism be opposite to be slipped over and elastic construction is supplied to thick stick
Linkage elastic acting force makes its reset.
The utility model grease pump replaces solenoid valve of the prior art using mechanical reversal valve, and will change simultaneously
It is arranged on to valve in housing so that compact overall structure occupies little space；Also avoid the cloth brought because reversal valve is external simultaneously
The problem of putting inconvenience.Driving part of the commutation power of the reversal valve of the utility model from driving plunger pair action, passes through thick stick
The cooperation of linkage and shifting part imparts power to the spool of reversal valve, and output revolving shaft rotating can be with movable valve plug in valve body
Interior reciprocating movement and then the switching of realization working position.Compared with electromagnetic type reversal valve, mechanical structure of reversing valve not power consumption,
Also cost can be reduced.
When selecting elastic construction, elastic construction can be the compression spring that axis is set perpendicular to lever mechanism.
Alternatively, when selecting elastic construction, elastic construction can be torsional spring.
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.
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 the embodiment one of the grease pump of the utility model；
Fig. 2 is two position switching valves and the structure diagram of lever mechanism cooperation in Fig. 1；
The driving bottom spool that a-d is respectively illustrated in lever mechanism in Fig. 3 switches to the second working position by the first working position
Schematic diagram；
The driving bottom spool that a-c is respectively illustrated in lever mechanism in Fig. 4 switches to the first working position by the second working position
Schematic diagram；
Fig. 5 shows the principle schematic of two position switching valves in the embodiment one of grease pump；
Fig. 6 shows the principle schematic of two position switching valves in the embodiment two of grease pump；
Fig. 7 shows the principle schematic of two position switching valves in the embodiment three of grease pump.
Specific embodiment
The core of the utility model is to provide a kind of grease pump, and the overall structure of the grease pump is compacter, occupied space
It is small.In order to which those skilled in the art is made to more fully understand the utility model, with reference to the accompanying drawings and detailed description
The utility model is described in further detail.
It please refers to Fig.1 and Fig. 2, Fig. 1 shows the structure diagram of grease pump in specific embodiment one, Fig. 2 shows Fig. 1
In the cooperation of two position switching valves and lever mechanism structure diagram.
The embodiment one of grease pump provided by the utility model, including the pump housing 1, at least one column being installed in the pump housing 1
Plug pair 2 and driving mechanism；Wherein, the inlet port connection fuel tank 3 of plunger pair 2；Driving mechanism can drive the plunger of plunger pair 2
It moves reciprocatingly and pumps out the oil discharge outlet of the lubricant grease in fuel tank 3 from plunger pair 2.Plunger pair 2 and exterior line（With grease pump
It connects to pump lubricant grease to the pipeline at position to be lubricated）Between be provided with two position switching valves 4.
In the embodiment, two position switching valves 4 are arranged on the pump housing 1, and oil inlet is connected with the oil discharge outlet of plunger pair 2,
Oil return opening is connected with fuel tank 3, oil outlet connection exterior line.The oil outlet of two position switching valves 4 is the delivery outlet of grease pump
5.Grease pump further includes lever mechanism 6, which drives the spool 7 of two position switching valves 4 to exist under the drive of driving mechanism
Switch between first valve position and the second valve position, so that grease pump switches between fuel feeding stage and off-load stage.Wherein, fuel feeding rank
Section refers to grease pump and pumps lubricant grease to the stage at position to be lubricated, and the off-load stage refers to remaining lubricant grease and is back to fuel tank
3 stage.
Two position switching valves 4 connected with the oil discharge outlet of plunger pair 2 are arranged at the pump housing 1 by grease pump provided by the utility model
On, and pass through 7 switching position of spool that lever mechanism 6 drives two position switching valves 4, wherein, lever mechanism 6 passes through existing driving
The driving mechanism that plunger pair 2 acts drives, without being separately provided actuator again；Compared with reversal valve in the prior art is external,
Two position switching valves 4 are built in the pump housing 1 in this programme and so that the overall structure of grease pump is compacter, are occupied little space, simultaneously
Also the problems such as arrangement brought because reversal valve is external is inconvenient has been evaded；In addition, in the present solution, 7 position of spool of two position switching valves 4
Switching is realized by the driving of mechanical lever mechanism 6, compared with the reversal valve of electromagnetic type in the prior art, mechanical switching valve
It commutates more reliable and occupies little space.
In specific scheme, driving mechanism includes driver and eccentric wheel 8, is said herein using motor 9 as driver
It is bright, it should be understood that driver is alternatively other structures.Wherein, the output revolving shaft 10 of motor 9 can rotating, eccentric wheel 8 passes through
Flat key is fixed on the output revolving shaft 10 of motor 9；The plunger of plunger pair 2 is along output revolving shaft 10 radially against in eccentric wheel 8
Wheel rim.Specifically, output revolving shaft 10 can be set to two-part coupling structure, wherein one section is fixedly arranged in motor 9, another section of inserting
In in eccentric wheel 8, convenient for assembling；Certainly, during actual setting, output revolving shaft 10 is also feasible for whole segmentation structure.It is in this way, logical
It crosses motor 9 and drives 8 rotating of eccentric wheel so that the plunger of plunger pair 2 is reciprocating along the radial direction of output revolving shaft 10, and then will
Lubricant grease in fuel tank 3 quantitatively pumps out.
Lever mechanism is a rod piece, and first end is hinged on valve body, is further opened with passing through for lever mechanism on spool 7
Slot hole, lever mechanism is rigid, and after as assembled above, under external force, lever mechanism can be rotated around its first end, lever
Mechanism can move in rotation process with movable valve plug 7, so as to change the position of spool 7.In order to avoid spool 7 moves excessively, valve
Corresponding position on body 13 is additionally provided with the locating part 11 of 7 position of limitation spool, after spool 7 is moved into place, by locating part 11
Backstop, lever mechanism can not be rotated further, so that spool 7 can be maintained at respective valve position.The output revolving shaft 10 of driving mechanism
On be provided with shifting part 12, when shifting part 12 is in motor 9 when being rotated by, shifting part 12 can promote lever mechanism 6, from
And lever mechanism 6 is driven to act.Being provided on the valve body 13 of two position switching valves in the both sides of lever mechanism 6 answers lever mechanism
The elastic construction of position, elastic construction are torsional spring 14, and a working end of torsional spring 14 is fixed on valve body, the other end and lever construction
Elastic top pressure.Certainly, in other embodiments, shifting part can be arranged on eccentric wheel.
Certainly, in other embodiments, elastic construction can be the compression spring of axis and nismus senkrecht, one of compression spring
Working end is fixed on valve body, the elastic top pressure of the other end and lever construction, as shown in Figure 3-4.
The each position that the driving bottom spool that wherein Fig. 3 shows in lever mechanism is switched to the second valve position by the first valve position is shown
It is intended to.When motor 9 drives output revolving shaft 10 to rotate forward（Rotate counterclockwise）When, the shifting part 12 set thereon rotates forward therewith, and
With the free end in contact of the lever mechanism 6, as shown in Figure 3a, when shifting part 12 is rotated further, which promotes Lever machine
Structure 6 rotates, and band movable valve plug 7 moves in the process, is switched from the first valve position to the second valve position.
When lever mechanism 6 is contacted with spring 14, as shown in Figure 3b, shifting part 12 still with lever mechanism 6, shifting part 12 into
One step rotates and then promotes lever mechanism 6 that spring force is overcome to be rotated further, and when spool 7 switches to the second valve position, is corresponded to
Locating part 11 backstop action, spool 7 stop it is mobile correspondingly, the rotation of lever mechanism 6 is also limited as shown in Figure 3c,
And just at this moment, shifting part 12 is crossed lever mechanism 6 and is departed from it, when shifting part 12 is continuously run clockwise or counterclockwise
When, this movement relation between shifting part 12 and lever mechanism 6 can continue to carry out, that is, shifting part can persistently cross lever
Mechanism, reversal valve will not commutate.After shifting part departs from lever mechanism 6, lever mechanism 6 resets under the action of the spring, such as schemes
Shown in 4a, i.e., lever mechanism 6 is returned back on the movement locus of shifting part 12 so that when shifting part 12 inverts, is remained to contact and be pushed away
Dynamic lever mechanism 6, at this time, shifting part will activation lever structure rotate and reversal valve driven to commutate.
It should be appreciated that since lever mechanism 6 is motionless, spool 7 is limited by locating part 11 and can not also moved, so spool 7
The second valve position can be maintained at.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.
The each position that the driving bottom spool that Fig. 4 shows in lever mechanism is switched to the first valve position by the second valve position is illustrated
Figure.When motor 9 drive output revolving shaft 10 reversion i.e. rotate clockwise when, the shifting part 12 set thereon inverts therewith, and with this
Lever mechanism 6 contacts, and when output revolving shaft 10 is rotated further, and then promotes lever mechanism 6 that spring force is overcome to be rotated further, works as spool
7 when switching to the second valve position, is subject to the backstop action of corresponding locating part 11, and spool 7 stops movement, correspondingly, lever mechanism 6
Rotation also limited, at this point, shifting part 12 is crossed lever mechanism 6 and is departed from it, when shifting part 12 clockwise or counterclockwise
When continuously running, this movement relation between shifting part and lever mechanism can continue to carry out, that is, shifting part can continue to get over
Lever mechanism is crossed, reversal valve will not commutate.After shifting part departs from lever mechanism 6, lever mechanism 6 is multiple under the action of the spring
Position, i.e., lever mechanism 6 is returned back on the movement locus of shifting part 12 so that when shifting part 12 inverts, remains to contact and promote thick stick
Linkage 6, at this time, shifting part will activation lever structure rotate and reversal valve driven to commutate.
Specifically, idler wheel can be set at the position contacted with lever mechanism of shifting part 12, slows down the abrasion of shifting part 12.
On this basis, grease pump can set multiple plunger pairs 2, to adapt to the demand of different oils fat pump output；
When plunger pair 2 has two or more, the oil discharge outlet of each plunger pair 2 turns on each other, at this point, the oil inlet of two position switching valves 4 is only
It need to be connected with the oil discharge outlet of any of which plunger pair 2.
Furthermore it is possible in the overflow valve that is turned on fuel tank of oil discharge outlet setting of plunger pair 2, safety valve can be also set.
On the basis of the various embodiments described above, the oil outlet of two position switching valves 4 can only set one, may also set up two.
With reference to Fig. 5, Fig. 5 shows the principle schematic of two position switching valves in the embodiment one of grease pump.In the program,
Two position switching valves 4 are set there are two oil outlet A and B, at this point, two position switching valves 4 are two-position four-way valve.Specifically it can be configured to,
When two position switching valves 4 are located at the first valve position, oil inlet only turns on oil outlet A, and oil outlet B only turns on oil return opening, two commutations
When valve 4 is located at the second valve position, oil inlet only turns on oil outlet B, and oil outlet A only turns on oil return opening.
It in this way, exterior line can set two, is connected respectively with oil outlet A, B, during work, two exterior lines are by changing
Replace fuel feeding and off-load when being in different valve positions to valve.In specific scheme, the two-wire connected with oil outlet A, B can be set
Distributor is distributed lubricant grease to position to be lubricated by Double-wire distributor.
With reference to Fig. 6, Fig. 6 shows the principle schematic of two position switching valves in the embodiment two of grease pump.In the program,
Two position switching valves 4 are set there are one oil outlet C, at this point, two position switching valves 4 are two position three-way valve.Two position switching valves 4 are located at
During the first valve position, oil inlet is only turned on oil outlet C, when two position switching valves 4 are located at the second valve position, drain tap, oil inlet
It is mutually conducted with oil outlet C.
It in this way, exterior line only sets one, is connected with oil outlet C, during work, the exterior line is both as pumping lubrication
The pipeline of grease also serves as the pipeline of Excess lubricating oil fat reflux.In specific scheme, it can set what is connected with oil outlet C
Single line distributor is distributed lubricant grease to position to be lubricated by single line distributor.
With reference to Fig. 7, Fig. 7 shows the principle schematic of two position switching valves in the embodiment three of grease pump.In the program,
Two position switching valves 4 are set there are one oil outlet D, at this point, two position switching valves 4 are two position three-way valve.Two position switching valves 4 are located at
During the first valve position, oil inlet is only turned on oil outlet D, when two position switching valves 4 are located at the second valve position, oil return opening only with it is fuel-displaced
Mouth D conductings.
It in this way, exterior line only sets one, is connected with oil outlet D, during work, the exterior line is both as pumping lubrication
The pipeline of grease also serves as the pipeline of Excess lubricating oil fat reflux.In specific scheme, it can set what is connected with oil outlet D
Single line distributor is distributed lubricant grease to position to be lubricated by single line distributor.
In addition, during specific setting, four passages can be opened up on two position switching valves 4, i.e., there are one oil inlet, one for its tool
A oil return opening and two oil outlets in application, one of oil outlet can be blocked according to practical matter, make it as two three
Port valve works, and can not also block, it is made to work as two-position four-way valve, in this way, application is flexible, without the difference because of use occasion
And it is specifically designed.
Wherein, two position switching valves 4 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.
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 pump provided by the utility model is described in detail above.Specific case used herein is to this
The principle and embodiment of utility model is set forth, and the explanation of above example is only intended to help to understand the utility model
Method and its core concept.It should be pointed out that for those skilled in the art, it is new not departing from this practicality
On the premise of type principle, can also to the utility model, some improvement and modification can also be carried out, these improvement and modification also fall into this reality
With in new scope of the claims.
Claims (9)
1. a kind of grease pump, driving mechanism including the pump housing, with output revolving shaft and at least one driven by the driving mechanism
Plunger pair, it is characterised in that：It further includes reversal valve and is arranged on the in vivo lever mechanism of pump, the spool of the reversal valve exists
Switching action between each valve position is driven by the wobbling action of lever mechanism, and the output revolving shaft drive has what is rotated with it to stir
Part, during the forward and reverse reciprocating rotation of output revolving shaft, the forward and reverse shifting lever mechanism of shifting part make lever mechanism reciprocally swinging so that
Reversal valve change over valve position, the pump housing is interior to be respectively arranged with elastic construction in the both sides of lever mechanism, in output revolving shaft forward or backwards
During rotation, the shifting part is contacted with the lever mechanism and acted with movable valve plug, and elastic construction is compressed, is switched in spool
During corresponding station, shifting part and lever mechanism be opposite to be slipped over and elastic construction is supplied to lever mechanism elastic acting force to make it multiple
Position.
2. grease pump according to claim 1, which is characterized in that the elastic construction is axis perpendicular to lever mechanism
Compression spring.
3. grease pump according to claim 1, which is characterized in that the elastic construction is torsional spring.
4. according to the grease pump described in claim 1 or 2 or 3, which is characterized in that the reversal valve is sliding valve structure.
5. according to the grease pump described in claim 1 or 2 or 3, which is characterized in that the reversal valve is two position switching valves.
6. grease pump according to claim 5, which is characterized in that two position switching valve is four-way reversing valve, in the
During one valve position, the first oil outlet of two position switching valves turns on the oil inlet of two position switching valves, described two of the second oil outlet conducting
The drain tap of reversal valve；During in the second valve position, the first oil outlet of two position switching valves turns on the drain tap of two position switching valves, the
Two oil outlets turn on the oil inlet of two position switching valve.
7. grease pump according to claim 6, which is characterized in that two position switching valve be three-way diverter valve, reversal valve
During in the first valve position, only described oil inlet is turned on the oil outlet；When reversal valve is in the second valve position, the oil inlet,
Oil outlet and drain tap are mutually conducted.
8. grease pump according to claim 5, which is characterized in that two position switching valve is two logical switch valves.
9. according to the grease pump described in claim 1 or 2 or 3, 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 |
|---|---|---|---|
| CN201721386643.XU CN207421742U (en) | 2017-10-25 | 2017-10-25 | A kind of grease pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721386643.XU CN207421742U (en) | 2017-10-25 | 2017-10-25 | A kind of grease pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421742U true CN207421742U (en) | 2018-05-29 |
Family
ID=62308752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721386643.XU Withdrawn - After Issue CN207421742U (en) | 2017-10-25 | 2017-10-25 | A kind of grease pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421742U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099300A (en) * | 2018-11-06 | 2018-12-28 | 青岛盘古润滑技术有限公司 | One kind being used for single line centralized lubricating system feeding lubricating device |
| WO2019080698A1 (en) * | 2017-10-25 | 2019-05-02 | 郑州奥特科技有限公司 | Grease pump |
| CN112253978A (en) * | 2020-11-27 | 2021-01-22 | 青岛盘古智能制造股份有限公司 | Lubricant supplying device for double-line centralized lubricating system |
-
2017
- 2017-10-25 CN CN201721386643.XU patent/CN207421742U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080698A1 (en) * | 2017-10-25 | 2019-05-02 | 郑州奥特科技有限公司 | Grease pump |
| CN109707983A (en) * | 2017-10-25 | 2019-05-03 | 郑州奥特科技有限公司 | Grease pump |
| CN109707983B (en) * | 2017-10-25 | 2024-04-02 | 郑州奥特科技有限公司 | Grease pump |
| CN109099300A (en) * | 2018-11-06 | 2018-12-28 | 青岛盘古润滑技术有限公司 | One kind being used for single line centralized lubricating system feeding lubricating device |
| CN112253978A (en) * | 2020-11-27 | 2021-01-22 | 青岛盘古智能制造股份有限公司 | Lubricant supplying device for double-line centralized lubricating system |
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