CN106014961A - Plunger type water supply pump for building - Google Patents
Plunger type water supply pump for building Download PDFInfo
- Publication number
- CN106014961A CN106014961A CN201610555853.0A CN201610555853A CN106014961A CN 106014961 A CN106014961 A CN 106014961A CN 201610555853 A CN201610555853 A CN 201610555853A CN 106014961 A CN106014961 A CN 106014961A
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- Prior art keywords
- plunger
- eccentric
- drive shaft
- feed pump
- pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a plunger type water supply pump for a building. The plunger type water supply pump for the building comprises a pump body; a power end assembly and a fluid end assembly are arranged inside the pump body; the power end assembly comprises a drive shaft provided with an eccentric wheel; the drive shaft penetrates through the pump body and drives the eccentric wheel to rotate; the fluid end assembly comprises a hydraulic cylinder and a plunger; the plunger is contained in the hydraulic cylinder and divides the hydraulic cylinder into two independent sealed volume cavities in the axial direction of the plunger; the two volume cavities are each provided with a fluid inlet channel and a fluid discharging channel which are both provided with one-way valves; and the eccentric wheel is arranged inside the plunger and drives the plunger to reciprocate in the axial direction, so that the volumes of the two volume cavities are changed. According to the technical scheme, the plunger type pump is applied to water supply of the building, so that not only are the advantages of high efficiency and lift of the plunger type pump fully played, but also the size of an existing plunger type pump is reduced, and the appearance of the plunger type water supply pump is more approximate to that of a traditional water supply pump for the building.
Description
Technical field
The present invention relates to pump, particularly to a kind of plunger type building feed pump.
Background technology
In traditional building water system, all can use centrifugal multistage pump multiple centrifugal pump.Reason is that centrifugal pump has volume
Small and exquisite, simple in construction, the advantages such as operation troubles rate is low, but to there is also efficiency low simultaneously, and lift is low,
The shortcomings such as flow can not be significantly adjusted in the case of keeping certain lift.Along with intellectuality, low-carbon high-efficiency
Environmental protection new trend, and under the highest demand of newly-built building, the shortcoming of centrifugal pump is the most prominent.
Plunger displacement pump has that efficiency is high, lift high and flow can significantly regulate in the case of keeping certain lift
Etc. advantage, but existing plunger displacement pump is by the separately design of power end and fluid end, and overall volume is relatively big and structure
Complexity, can produce substantial amounts of heat at work between contact surface, in order to ensure the normal operation of power end,
Substantial amounts of lubricating oil must be used to be lubricated and cool down, and lubricating oil needs often to change and add, thus
Running and maintenance cost can be made high, and the seepage of fluid to environment, thus can not directly can be answered
It is used in building water system.
Summary of the invention
The main object of the present invention is to provide a kind of plunger type building feed pump, it is desirable to provide a kind of structure letter
List, compact, feed pump easy to maintenance and have that efficiency is high, lift high and flow scalable simultaneously
Feature, this feed pump may be directly applied to the water system of high-rise building.
For achieving the above object, the plunger type building feed pump that the present invention proposes, including the pump housing, described pump
Internal being provided with power end component and fluid end assembly, described power end component includes drive shaft, described driving
Axle is provided with eccentric, and described drive shaft is through the described pump housing and drives described eccentric to rotate；Described liquid
Power end assembly includes that hydraulic cylinder and plunger, described plunger are placed in described hydraulic cylinder and by described hydraulic cylinder edge
The axially spaced of plunger is two cavity volumes that are separate and that seal, and two cavity volumes are equipped with feed liquor and lead to
Road and apocenosis passage；Described eccentric is built in described plunger and drives described plunger to move axially in reciprocal fashion,
To change the volume of two cavity volumes.
Preferably, described feed pump is additionally provided with Flow-rate adjustment assembly；Described eccentric is provided with through hole vertically,
Described drive shaft has primary importance and second through described through hole, described through hole along the radial direction of eccentric
Position；Regulate described Flow-rate adjustment assembly when making drive shaft be positioned at primary importance, described eccentric be non-partially
Heart shaped state；Regulating described Flow-rate adjustment assembly when making drive shaft be positioned at the second position, described eccentric is inclined
Heart shaped state.
Preferably, described Flow-rate adjustment assembly includes the first regulating part and the second regulating part；Described drive shaft
Inside being provided with mounting groove, the sidewall of described drive shaft is communicated with the installing hole of described mounting groove, and described first
Regulating part is placed in described mounting groove, and described second regulating part is placed in described installing hole, and described second adjusts
Joint part one end is connected to the sidewall of described through hole, and the other end is connected to described first regulating part；Described first
Regulating part is provided with the first regulation portion and the second regulation portion, and described second regulating part is connected to described first regulation
During portion, described drive shaft is positioned at described primary importance, and described second regulating part is connected to described second regulation
During portion, described drive shaft is positioned at the described second position.
Preferably, described first regulating part is axially arranged with described first regulation portion and institute along described drive shaft
Stating the second regulation portion, described first regulating part one end is provided with the resilience parts driving it to other end motion,
The described first regulating part other end is provided with and drives it to switch to the regulation of an end motion, and described regulation switch is
Manually, electrically, pneumatically or hydraulically control.
Preferably, described feed pump includes multiple described fluid end assembly and multiple described eccentric, multiple
Axially arranged along described drive shaft of described fluid end assembly, each eccentric is built in a plunger, multiple
The axis of described fluid end assembly is overlooked as angle equal, and the eccentric direction of multiple described eccentrics is overlooked and is
Angle is equal.
Preferably, described feed pump includes two described fluid end assemblies, two described fluid end assemblies
It is 90 ° that axis overlooks angle, and described drive shaft connects two described eccentrics, two described eccentrics
It is 180 ° that eccentric direction overlooks angle.
Preferably, the two ends of described plunger are equipped with seal groove, are provided with the first sealing member in described seal groove,
Two cavity volumes are sealed and separate by described first sealing member.
Preferably, described plunger is projected as square or circular vertically.
Preferably, described feed pump is additionally provided with feed tube and discharging tube, described feed pathway and described discharge opeing
Passage converges at feed tube and discharging tube, described feed tube and described discharging tube respectively and is all located at the described pump housing
The lower position of sidewall.
Preferably, the described pump housing is overlooked as circular, square or hexagon.
Technical solution of the present invention drives plunger to do work by eccentric is built in plunger, not only makes this
The power end component of plunger type feed pump and fluid end assembly set, in one, reduce the volume of feed pump,
And make the purpose that feed pump has reached easy to maintenance, efficiency is high, lift is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other according to the structure shown in these accompanying drawings
Accompanying drawing.
Fig. 1 is the top view of plunger type building feed pump one embodiment of the present invention；
Fig. 2 be in Fig. 1 feed pump along the sectional view in A-A direction；
Fig. 3 is the top view of eccentric in Fig. 2 and along the sectional view in B-B direction；
Fig. 4 is the front view of the first regulating part in Fig. 2；
Fig. 5 is eccentric and the top view of drive shaft and the sectional view along C-C direction in Fig. 2；
Fig. 6 is the schematic diagram that in Fig. 5, eccentric reaches non-eccentricity state；
Fig. 7 is the schematic diagram of the fluid end assembly being positioned at feed pump upper strata in Fig. 2；
Fig. 8 is the schematic diagram of the fluid end assembly being positioned at feed pump lower floor in Fig. 2；
Fig. 9 is the schematic diagram of the fluid end assembly on another embodiment upper strata of plunger type building feed pump of the present invention；
Figure 10 is the signal of the fluid end assembly in another embodiment middle level of plunger type building feed pump of the present invention
Figure；
Figure 11 is the signal of the fluid end assembly of another embodiment lower floor of plunger type of the present invention building feed pump
Figure.
Drawing reference numeral illustrates:
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as upper and lower, left and right, front,
After ...) it is only used for explanation phase para-position under a certain particular pose (as shown in drawings) between each parts
Putting relation, motion conditions etc., if this particular pose changes, then directionality instruction is the most corresponding
Ground changes therewith.
In the present invention, unless otherwise clearly defined and limited, term " connects ", " fixing " etc. should
Being interpreted broadly, such as, " fixing " can be fixing connection, it is also possible to is to removably connect, or becomes one
Body；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to by centre
Medium is indirectly connected to, and can be connection or the interaction relationship of two elements of two element internals, remove
Non-separately have clear and definite restriction.For the ordinary skill in the art, can manage as the case may be
Solve above-mentioned term concrete meaning in the present invention.
It addition, in the present invention such as relating to the description of " first ", " second " etc. is only used for describing purpose,
And it is not intended that indicate or imply its relative importance or the implicit number indicating indicated technical characteristic
Amount.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one
Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with
Based on those of ordinary skill in the art are capable of, when conflicting or nothing occurs in the combination of technical scheme
Will be understood that when method realizes that the combination of this technical scheme does not exists, the most not at the protection model of application claims
Within enclosing.
The present invention proposes a kind of plunger type building feed pump.
Seeing figures.1.and.2, the plunger type building feed pump of the present invention includes the pump housing 10, sets in the pump housing 10
Dynamic end assembly (sign) and fluid end assembly 20；
Power end component includes that drive shaft 11, drive shaft 11 are provided with eccentric 12, drive shaft 11 through
The pump housing 10 also drives eccentric 12 to rotate；
Fluid end assembly 20 includes hydraulic cylinder 21 and plunger 22, and plunger 22 is placed in hydraulic cylinder 21 and by hydraulic pressure
Cylinder 21 is two cavity volumes 211 that are separate and that seal along the axially spaced of plunger 22, two cavity volumes
211 are equipped with feed pathway 23 and apocenosis passage 24, feed pathway 23 and apocenosis passage 24 is equipped with check valve
(not shown)；Eccentric 12 is built in plunger 22 and drives plunger 22 to move axially in reciprocal fashion, thus changes two
The volume of individual cavity volume 211.
In embodiments of the present invention, drive shaft 11 external connection power device (not shown) rotates.Drive
Axle 11 drives eccentric 12 to rotate, and eccentric 12 drives plunger 22 to move back and forth, and moves back and forth
Plunger 22 change the volume of two cavity volumes 211 simultaneously, the liquid in two cavity volumes 211 is pressed
Power, under the check valve of respective feed pathway 23 and apocenosis passage 24 coordinates, liquid is from feed pathway
23 enter, then discharge from apocenosis passage 24.In the case of drive shaft 11 rotates a circle, plunger 22 is complete
Becoming once to move back and forth, now, two cavity volumes 211 all complete once to absorb water and a draining, make this
Feed pump reaches the function of two-way uninterrupted pumping liquid.
By eccentric 12 is built in plunger 22, technical solution of the present invention drives that plunger 22 is two-way to be done
Merit, not only makes the power end component of feed pump and fluid end assembly set in one, reduces feed pump
Volume, and make feed pump reach efficiency height, lift high purpose.
This feed pump is when the state of use, and drive shaft 11 is for being perpendicular to horizontal plane direction through the pump housing 10
And stretched out for external connection power device by the upper part of the pump housing 10, external connection power device is motor or diesel engine
Deng, directly power set are installed on the upper end of the pump housing, not only simplify overall structure, also make this water supply
The profile of pump more presses close to traditional building feed pump.Further, plunger 22 and eccentric 12 are direct
It is immersed in hydraulic fluid, working solution can be directly utilized heat generating components is cooled down, thus eliminate profit
Sliding and cooling system so that more energy-saving and environmental protection when this feed pump uses, safeguard the advantages such as simple.
Further, seeing Fig. 5, feed pump is additionally provided with Flow-rate adjustment assembly 3；
See top view that Fig. 3, Fig. 3 are eccentric 12 and along top view the sectional view in B-B direction,
Eccentric 12 is provided with through hole 121 vertically, and drive shaft 11 is through through hole 121, and through hole 121 is along bias
The radial direction of wheel 12 has primary importance 1211 and the second position 1212；
Regulating this Flow-rate adjustment assembly 3 when making drive shaft 11 be positioned at primary importance 1211, eccentric 12 is
Non-eccentricity state；Regulate this Flow-rate adjustment assembly 3 when making drive shaft 11 be positioned at the second position 1212, partially
Heart wheel 12 is eccentric state.
When drive shaft 11 is positioned at eccentric 12 diverse location radially, eccentric 12 is with different bias
Away from rotating.This through hole 121 is set, thus it is possible to vary drive shaft 11 is positioned at eccentric 12 position radially,
Thus adjust the eccentric throw of eccentric 12, and then change eccentric 12 drives the reciprocating row of plunger 22
Journey, reaches the water suction of this feed pump and the regulation of drain discharge, simple in construction.
Specifically, seeing Fig. 5, Flow-rate adjustment assembly 3 includes the first regulating part 31 and the second regulating part 32；
Being provided with mounting groove 111 in drive shaft 11, the sidewall of drive shaft 11 is communicated with the peace of mounting groove 111
Dress hole 112, the first regulating part 31 is placed in mounting groove 111, and the second regulating part 32 is placed in installing hole 112,
Second regulating part 32 one end is connected to the sidewall of through hole 121, and the other end is connected to the first regulating part 31；
Seeing the front view that Fig. 4, Fig. 4 are the first regulating part 31, the first regulating part 31 is provided with the first regulation
Portion 311 and the second regulation portion 312, in conjunction with Fig. 3 to Fig. 5, the second regulating part 32 is connected to the first regulation
During portion 311, drive shaft 11 is positioned at primary importance 1211, and the second regulating part 32 is connected to the second regulation portion
When 312, drive shaft 11 is positioned at the second position 1212.
Specifically, in conjunction with Fig. 2 and Fig. 5, the first regulating part 31 is axially arranged with the first tune along drive shaft 11
Joint portion 311 and the second regulation portion 312, first regulating part 31 one end is provided with and drives it to other end motion
Resilience parts 33, first regulating part 31 other end is provided with and drives it to switch 34 to the regulation of an end motion,
Regulation switch 34 is manually, electrically, pneumatically or hydraulically controls.
As in figure 2 it is shown, the upper end of the first regulating part 31 is provided with resilience parts 33, these resilience parts 33 have
Body is spring, and one end of spring is connected to mounting groove 111 other end and is connected to the upper end of the first regulating part 31
And it is in compressive state；The lower end of the first regulating part 31 is provided with regulation switch 34, this regulation switch 34 tool
Body is the structure that a laterally displaceable ladder slide block coordinates the first ball, and the first ball is positioned at first
Abut against between bottom and the ladder slide block of regulating part 31 and with both, when ladder slide block is under external force drives
When carrying out shifted laterally, this first ball can contact low level and a high position for this ladder slide block respectively, now,
First regulating part 31 can move down and move up under the pressure of the spring.
The structure that second regulating part 32 specially slide block and the second ball match, the second ball is positioned at slide block
And between the first regulating part 31.
In conjunction with Fig. 2 and Fig. 5, it is illustrated that position is the state after the first regulating part 31 moves up, now
Two regulating parts 32 abut against with the second regulation portion 312 of the first regulating part 31, and now eccentric 12 is inclined
Heart shaped state.
In conjunction with Fig. 2 and Fig. 6, it is illustrated that position is the state after the first regulating part 31 moves down, now
Two regulating parts 32 abut against with the first regulation portion 311 of the first regulating part 31, and now eccentric 12 is non-
Eccentric state, the eccentric 12 under this state does not drive plunger 22 to move back and forth, thus feed pump
Stop pumping liquid, now drive power to need not acting, reach energy-saving effect.
Second regulation portion 312 includes first paragraph 3121 as shown in Figure 5 and second segment 3122, when second adjusts
When joint part 32 is connected to second segment 3122, eccentric 12 reaches the state that eccentric throw is maximum, now supplies water
Pump discharge is maximum, when the second regulating part 32 is connected to first paragraph 3121, and the eccentric throw of eccentric 12
It is in zero between maximum.Regulate the upper-lower position of the first regulating part 31, this feed pump flow can be realized
By the regulation zero to maximum stream flow.Simple in construction, easy to adjust.
In this Flow-rate adjustment assembly 3, the first regulating part 31 is in addition to above-mentioned set-up mode, it is also possible to for
By circumferentially disposed along the first regulating part 31 of the first regulation portion 311 and the second regulation portion 312, rotate in a circumferential direction
First regulating part 31, makes the second regulating part 32 be connected to the first regulation portion 311 and the second regulation portion respectively
312, thus reach to regulate the purpose of this feed pump discharge.
The specific implementation of this Flow-rate adjustment assembly 3 is not limited to above-mentioned several, it is also possible to for existing tune
The any-mode of joint eccentric eccentric throw, lists the most one by one at this.
Further, feed pump includes multiple fluid end assembly 20 and multiple eccentric 12, multiple fluid ends
Assembly 20 is axially arranged along drive shaft 11, and each eccentric 12 is built in a plunger 22, multiple fluid power
The axis of end assembly 20 is overlooked as angle equal, and the eccentric direction of multiple eccentrics 12 is overlooked as angle phase
Deng.
The arteries and veins caused due to the wobbler action of eccentric 12 in the course of the work in order to avoid this feed pump
Dynamic, fluid end assembly 20 is set to multiple, and the axis of multiple fluid end assembly 20 is overlooked as folder
Angle is equal, makes feed pump reduce vibrations and noise in the course of the work, improves its practicality further.
The first regulating part 31 in the case of being provided with multiple fluid end assembly 20, in Flow-rate adjustment assembly 3
Being specially column structure, wherein the first regulation portion 311 and the second regulation portion 312 are the circumference that diameter is different
Part.
Specifically, in conjunction with Fig. 2, Fig. 7 and Fig. 8, feed pump includes two fluid end assemblies 20, two liquid
It is 90 ° that the axis of power end assembly 20 overlooks angle, and drive shaft 11 connects two eccentrics 12, and two partially
It is 180 ° that the eccentric direction of heart wheel 12 overlooks angle.
Present embodiment specially has the situation of two fluid end assemblies 20, and Fig. 7 show and is positioned at this confession
Fluid end assembly 20 above water pump, Fig. 8 show the fluid end assembly 20 being positioned at below this feed pump.
Both can exchange position.
In order to ensure dynamic balancing when eccentric 12 rotates, the eccentric direction of two eccentrics 12 is in circumference
For being uniformly distributed.In a fluid end assembly 20, hydraulic cylinder 21 is separated for two volumes by plunger 22
Chamber 211, two cavity volumes 211 all carry out absorbing water and draining.Two fluid end assemblies 20 are set and make two
The axis of individual fluid end assembly 20 is overlooked as being mutually perpendicular to, then, in the situation that drive shaft 11 rotates a circle
Under, this feed pump is that four direction carries out absorbing water and draining, greatly reduces the arteries and veins of this feed pump
Dynamic, make this feed pump reach the effect of working stability, further enhance practicality.
See Fig. 9 to Figure 11, for the fluid end assembly 20 in another embodiment of this feed pump and bias
Wheel 12, has three fluid end assemblies 20 in this embodiment, Fig. 9 to Figure 11 is respectively three fluid power
The top view of end assembly 20, the fluid end assembly 20 in Figure 10 is relative to the fluid end assembly 20 in Fig. 9
Overlooking as being rotated in a clockwise direction 60 °, the fluid end assembly 20 in Figure 11 is relative in Figure 10
Fluid end assembly 20 is overlooked as being rotated in a clockwise direction 60 °, i.e. as illustrated in the drawing, Figure 11
In fluid end assembly 20 relative in Fig. 9 fluid end assembly 20 overlook for being rotated in a clockwise direction
120 °；In Figure 10, eccentric 12 is overlooked as along clockwise direction relative to the eccentric 12 in Fig. 9
Have rotated 120 °, in Figure 11, eccentric 12 is overlooked as along clockwise relative to the eccentric 12 in Figure 10
Direction have rotated 120 °, i.e. as illustrated in the drawing, and the eccentric 12 in Figure 11 is relative in Fig. 9
Eccentric 12 is overlooked as being rotated in a clockwise direction 240 °.This embodiment has three fluid ends
Assembly 20, it is possible to the further produced pulsation of balance feed pump, further increases this feed pump
Stability and practicality.In this embodiment, the position of three fluid end assemblies 20 can exchange.
As depicted in figs. 1 and 2, the two ends of plunger 22 are equipped with seal groove (for indicating), in seal groove
Being provided with the first sealing member 221, two cavity volumes 211 are sealed and separate by the first sealing member 221.
Separate in order to two cavity volumes 211 in a fluid end assembly 20 are sealed, only need to be at plunger 22
Two ends seal groove is simply set, and then fill up seal groove with the first sealing member 221, make the first sealing
Part 221 abuts sidewall and the seal groove inwall of hydraulic cylinder 21, thus simplifies the sealing of this feed pump
Structure, and then simplify this water supply pump structure on the whole.
In addition to above-mentioned set-up mode, it is also possible to offer seal groove on hydraulic cylinder 21, by the first sealing member
In 221 seal grooves being arranged at hydraulic cylinder 21.Above two set-up mode is equivalent structure.
In order to strengthen sealing effectiveness further, the seam outside the pump housing 10 is provided with multiple second sealing member
222。
Alternatively, plunger 22 is projected as square or circular vertically.
In the detailed description of the invention of the present invention, for the ease of eccentric 12 being installed on the inside of plunger 22,
Plunger 22 is set to be projected as vertically square structure.In order to reduce the volume of this feed pump further, also
Can this plunger 22 be set to flat, i.e. be set to be projected as rectangle or ellipse vertically by plunger 22
Circular structure.
Further, feed pump is additionally provided with feed tube 4 and discharging tube 5, feed pathway 23 and described discharge opeing
Passage 24 converges at feed tube 4 and discharging tube 5, feed tube 4 and discharging tube 5 respectively and is all located at the pump housing 10
The lower position of sidewall.
Owing to original building feed pump is vertical structure, its inlet connecting outer water tube and leakage fluid dram
All be located at the lower position of the shell of the pump housing, this feed pump in order to mate the installation site of original feed pump,
To be used for connecting the feed tube 4 of outer water tube and discharging tube 5 is all located at the lower position of the pump housing 10 sidewall.
Further enhance the practicality of this pump housing, and further save cost.
In addition to above-mentioned set-up mode, this feed tube 4 and discharging tube 5 can also be arranged as required in
Other optional positions of the pump housing 10 sidewall.
Alternatively, the pump housing 10 is overlooked as circular, square or hexagon.
The pump housing 10 is set to by the specific embodiment of the invention overlook the structure for circular, not only makes this confession
The good looking appearance of water pump, and have matched original water supply pump structure further.In addition to aforesaid way, should
The pump housing 10 may be arranged as overlooking for other shapes such as square or hexagons, with satisfied different demands.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention,
Every under the inventive concept of the present invention, utilize the equivalent structure that description of the invention and accompanying drawing content are made
Conversion, or directly/be indirectly used in other relevant technical fields and be included in the patent protection model of the present invention
In enclosing.
Claims (10)
1. a plunger type building feed pump, including the pump housing, is provided with power end component and liquid in the described pump housing
Power end assembly, it is characterised in that:
Described power end component includes that drive shaft, described drive shaft are provided with eccentric, and described drive shaft runs through
In the described pump housing and drive described eccentric to rotate；
Described fluid end assembly includes that hydraulic cylinder and plunger, described plunger are placed in described hydraulic cylinder and by institute
Stating hydraulic cylinder along the axially spaced of plunger is two cavity volumes that are separate and that seal, and two cavity volumes are equal
It is provided with feed pathway and apocenosis passage；Described eccentric is built in described plunger and drives described plunger along axle
To reciprocating motion, to change the volume of two cavity volumes.
2. plunger type building feed pump as claimed in claim 1, it is characterised in that described feed pump is also
It is provided with Flow-rate adjustment assembly；
Described eccentric is provided with through hole vertically, and described drive shaft is through described through hole, described through hole edge
The radial direction of eccentric has primary importance and the second position；
Regulating described Flow-rate adjustment assembly when making drive shaft be positioned at primary importance, described eccentric is non-eccentricity
State；Regulating described Flow-rate adjustment assembly when making drive shaft be positioned at the second position, described eccentric is eccentric
State.
3. plunger type building feed pump as claimed in claim 2, it is characterised in that:
Described Flow-rate adjustment assembly includes the first regulating part and the second regulating part；
Being provided with mounting groove in described drive shaft, the sidewall of described drive shaft is communicated with the peace of described mounting groove
Dress hole, described first regulating part is placed in described mounting groove, and described second regulating part is placed in described installation
Hole, described second regulating part one end is connected to the sidewall of described through hole, and the other end is connected to described first and adjusts
Joint part；
Described first regulating part is provided with the first regulation portion and the second regulation portion, and described second regulating part is connected to
During described first regulation portion, described drive shaft is positioned at described primary importance, and described second regulating part is connected to
During described second regulation portion, described drive shaft is positioned at the described second position.
4. plunger type building feed pump as claimed in claim 3, it is characterised in that described first regulation
Part is axially arranged with described first regulation portion and described second regulation portion along described drive shaft, and described first adjusts
Joint part one end is provided with the resilience parts driving it to other end motion, and the described first regulating part other end is provided with
Driving it to switch to the regulation of an end motion, described regulation switch is manually, electrically, pneumatically or hydraulically controls
System.
5. the plunger type building feed pump as described in any one of Claims 1-4, it is characterised in that institute
State feed pump and include multiple described fluid end assembly and multiple described eccentric, multiple described fluid end assemblies
Axially arranged along described drive shaft, each eccentric is built in a plunger, multiple described fluid end assemblies
Axis overlook as angle equal, the eccentric direction of multiple described eccentrics is overlooked as angle equal.
6. plunger type building feed pump as claimed in claim 5, it is characterised in that described feed pump bag
Including two described fluid end assemblies, it is 90 ° that the axis of two described fluid end assemblies overlooks angle, described
Drive shaft connects two described eccentrics, and it is 180 ° that the eccentric direction of two described eccentrics overlooks angle.
7. plunger type building feed pump as claimed in claim 6, it is characterised in that the two of described plunger
End is equipped with seal groove, is provided with the first sealing member in described seal groove, and described first sealing member is by two appearances
Long-pending chamber seals and separates.
8. plunger type building feed pump as claimed in claim 7, it is characterised in that described plunger is along axle
Square or circular to being projected as.
9. plunger type building feed pump as claimed in claim 8, it is characterised in that described feed pump is also
It is provided with feed tube and discharging tube, described feed pathway and described apocenosis passage and converges at feed tube and row respectively
Liquid pipe, described feed tube and described discharging tube are all located at the lower position of described pump housing sidewall.
10. plunger type building feed pump as claimed in claim 9, it is characterised in that the described pump housing is bowed
It is considered as circular, square or hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555853.0A CN106014961B (en) | 2016-07-13 | 2016-07-13 | Plunger type building water supply pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555853.0A CN106014961B (en) | 2016-07-13 | 2016-07-13 | Plunger type building water supply pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106014961A true CN106014961A (en) | 2016-10-12 |
| CN106014961B CN106014961B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610555853.0A Active CN106014961B (en) | 2016-07-13 | 2016-07-13 | Plunger type building water supply pump |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2883674Y (en) * | 2005-05-31 | 2007-03-28 | 深圳清华大学研究院 | Crossing plunger pump or motor |
| CN200964928Y (en) * | 2006-11-03 | 2007-10-24 | 罗邦琴 | Double cylinder plunger pump |
| DE102008022604A1 (en) * | 2008-05-07 | 2009-11-12 | Hörmansdörfer, Gerd | Pump/cross piston compressor for supplying and compressing e.g. steam in water jet cutting system, has piston adjusted by arms of slide and including thickness smaller than thickness of slide minus thickness of bar connecting arms of slide |
| CN202152718U (en) * | 2011-06-28 | 2012-02-29 | 张春明 | Double-acting plunger pump with low rotational speed and large discharge capacity |
| CN102758769A (en) * | 2012-04-08 | 2012-10-31 | 杭州大潮石化设备有限公司 | Direct-coupled double-acting stroke adjusting device used in reciprocating metering pump |
| CN202971073U (en) * | 2012-12-12 | 2013-06-05 | 阮吉林 | Two-way plunger pump |
| CN203925968U (en) * | 2014-05-30 | 2014-11-05 | 中国石油化工集团公司 | A kind of power end of adjustable displacement plunger reciprocating pump |
| CN204267243U (en) * | 2014-11-17 | 2015-04-15 | 郑州天马微粉有限公司 | Prilling tower shurry pump |
| CN105736363A (en) * | 2016-04-06 | 2016-07-06 | 禾通科技公司 | Positive displacement pump of eccentric wheel structure |
| CN205841176U (en) * | 2016-07-13 | 2016-12-28 | 禾通科技公司 | Plunger type building feed pump |
-
2016
- 2016-07-13 CN CN201610555853.0A patent/CN106014961B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2883674Y (en) * | 2005-05-31 | 2007-03-28 | 深圳清华大学研究院 | Crossing plunger pump or motor |
| CN200964928Y (en) * | 2006-11-03 | 2007-10-24 | 罗邦琴 | Double cylinder plunger pump |
| DE102008022604A1 (en) * | 2008-05-07 | 2009-11-12 | Hörmansdörfer, Gerd | Pump/cross piston compressor for supplying and compressing e.g. steam in water jet cutting system, has piston adjusted by arms of slide and including thickness smaller than thickness of slide minus thickness of bar connecting arms of slide |
| CN202152718U (en) * | 2011-06-28 | 2012-02-29 | 张春明 | Double-acting plunger pump with low rotational speed and large discharge capacity |
| CN102758769A (en) * | 2012-04-08 | 2012-10-31 | 杭州大潮石化设备有限公司 | Direct-coupled double-acting stroke adjusting device used in reciprocating metering pump |
| CN202971073U (en) * | 2012-12-12 | 2013-06-05 | 阮吉林 | Two-way plunger pump |
| CN203925968U (en) * | 2014-05-30 | 2014-11-05 | 中国石油化工集团公司 | A kind of power end of adjustable displacement plunger reciprocating pump |
| CN204267243U (en) * | 2014-11-17 | 2015-04-15 | 郑州天马微粉有限公司 | Prilling tower shurry pump |
| CN105736363A (en) * | 2016-04-06 | 2016-07-06 | 禾通科技公司 | Positive displacement pump of eccentric wheel structure |
| CN205841176U (en) * | 2016-07-13 | 2016-12-28 | 禾通科技公司 | Plunger type building feed pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106014961B (en) | 2018-09-04 |
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