CN106014961B - Plunger type building water supply pump - Google Patents
Plunger type building water supply pump Download PDFInfo
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- CN106014961B CN106014961B CN201610555853.0A CN201610555853A CN106014961B CN 106014961 B CN106014961 B CN 106014961B CN 201610555853 A CN201610555853 A CN 201610555853A CN 106014961 B CN106014961 B CN 106014961B
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- plunger
- water supply
- supply pump
- drive shaft
- regulating part
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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 present invention discloses a kind of plunger type building water supply pump, including the pump housing, power end component and fluid end component are equipped in the pump housing, the power end component includes drive shaft, the drive shaft is equipped with eccentric wheel, and the drive shaft is through the pump housing and the eccentric wheel is driven to rotate；The fluid end component includes hydraulic cylinder and plunger, the plunger is placed in the hydraulic cylinder and is two mutual indepedent and sealing cavity volumes along the axially spaced of plunger by the hydraulic cylinder, two cavity volumes are equipped with feed pathway and apocenosis passage, and the feed pathway and the apocenosis passage are equipped with check valve；The eccentric wheel is built in the plunger and the plunger is driven to move axially in reciprocal fashion, to change the volume of two cavity volumes.Technical solution of the present invention supplies water plunger pump applied to building, and advantage not only that plunger pump is efficient, that lift is high is given full play to, but also reduces the volume of existing plunger pump, makes its shape more close to traditional building water supply pump.
Description
Technical field
The present invention relates to pump, more particularly to a kind of plunger type building water supply pump.
Background technology
In traditional building water system, centrifugal multistage pump multiple centrifugal pump can be all used.The reason is that centrifugal pump possesses compact, structure
Simply, the low advantage of operation troubles rate, it is low that however, there are also efficiency, and lift is low, not in the case where keeping certain lift
The shortcomings of flow can substantially be adjusted.With intelligence, the environmentally friendly new trend of low-carbon high-efficiency and the higher and higher need of newly-built building
It asks down, it is just more prominent the shortcomings that centrifugal pump.
Plunger pump has many advantages, such as that efficient, lift is high and is keeping certain lift situation down-off that can significantly adjust,
But existing plunger pump separately designs power end and fluid end, and overall volume is larger and complicated, at work contact surface
Between will produce a large amount of heat, in order to ensure the normal operation of power end, it is necessary to be lubricated using a large amount of lubricating oil and
Cooling, lubricating oil is needed to be replaced frequently and is added, thus running and maintenance cost can be made high, and the leakage of fluid can make environment
At pollution, to be directly applied in building water system.
Invention content
The main object of the present invention is to provide a kind of plunger type building water supply pump, it is desirable to provide a kind of simple in structure, volume
Water supply pump small and exquisite, easy to maintain and have the characteristics that efficient, lift is high and flow is adjustable simultaneously, which can be direct
Water system applied to high-rise building.
To achieve the above object, plunger type building water supply pump proposed by the present invention, including the pump housing, interior be equipped with of the pump housing are moved
Power end component and fluid end component, the power end component include drive shaft, and the drive shaft is equipped with eccentric wheel, the drive shaft
Through the pump housing and the eccentric wheel is driven to rotate；The fluid end component includes hydraulic cylinder and plunger, and the plunger holds
Be placed in the hydraulic cylinder and by the hydraulic cylinder along plunger it is axially spaced be two independently of each other and sealing cavity volumes, two
Cavity volume is equipped with feed pathway and apocenosis passage；The eccentric wheel is built in the plunger and drives the plunger past in an axial direction
Multiple movement, to change the volume of two cavity volumes.
Preferably, the water supply pump is additionally provided with flow-rate adjustment component；The eccentric wheel is equipped with through-hole, the driving in an axial direction
Axis has first position and the second position through the through-hole, the through-hole along the radial direction of eccentric wheel；Adjust the flow tune
When section component makes drive shaft be located at first position, the eccentric wheel is non-eccentricity state；Adjusting the flow-rate adjustment component makes drive
When moving axis is located at the second position, the eccentric wheel is eccentric state.
Preferably, the flow-rate adjustment component includes the first regulating part and the second regulating part；Peace is equipped in the drive shaft
Tankage, the side wall of the drive shaft are equipped with the mounting hole for being connected to the mounting groove, and first regulating part is placed in the installation
Slot, second regulating part are placed in the mounting hole, and second regulating part one end is connected to the side wall of the through-hole, another
End is connected to first regulating part；First regulating part is equipped with the first adjustment portion and the second adjustment portion, and described second is adjusted
When part is connected to first adjustment portion, the drive shaft is located at the first position, and second regulating part is connected to described
When the second adjustment portion, the drive shaft is located at the second position.
Preferably, first regulating part is adjusted along first adjustment portion and described second that is axially arranged with of the drive shaft
Section portion, first regulating part one end, which is equipped with, drives its resilience part to another end motion, the first regulating part other end
It is manually, electrically, pneumatically or hydraulically to control equipped with its regulating switch to an end motion, the regulating switch is driven.
Preferably, the water supply pump includes multiple fluid end components and multiple eccentric wheels, multiple fluid power
Axial direction setting of the component along the drive shaft, each eccentric wheel is held to be built in a plunger, the axis of multiple fluid end components
It is that angle is equal to overlook, and it is that angle is equal that the eccentric direction of multiple eccentric wheels, which is overlooked,.
Preferably, the water supply pump includes two fluid end components, and the axis of two fluid end components is overlooked
Angle is 90 °, described two eccentric wheels of driving axis connection, and the eccentric direction of two eccentric wheels overlooks angle and is
180°。
Preferably, the both ends of the plunger are equipped with seal groove, are equipped with first seal in the seal groove, and described first
Sealing element separates two cavity volume sealings.
Preferably, the plunger is projected as rectangular or round in an axial direction.
Preferably, the water supply pump is additionally provided with inlet tube and drain pipe, the feed pathway and apocenosis passage difference
Inlet tube and drain pipe are converged at, the inlet tube and the drain pipe are set to the lower position of the pump housing side wall.
Preferably, it is round, rectangular or hexagon that the pump housing, which is overlooked,.
Technical solution of the present invention not only supplies the plunger type by the way that eccentric wheel is built in plunger to drive plunger to do work
The power end component of water pump, in one, reduces the volume of water supply pump, and water supply pump is made to reach with fluid end assembly set
Purpose easy to maintain, efficient, lift is high.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the vertical view of one embodiment of plunger type building water supply pump of the present invention；
Fig. 2 is water supply pump in Fig. 1 along the sectional view in the directions A-A；
Fig. 3 is the vertical view of eccentric wheel and the sectional view along the directions B-B in Fig. 2；
Fig. 4 is the front view of the first regulating part in Fig. 2；
Fig. 5 is the vertical view of eccentric wheel and drive shaft and the sectional view along the directions C-C in Fig. 2；
Fig. 6 is the schematic diagram that eccentric wheel reaches non-eccentricity state in Fig. 5；
Fig. 7 is the schematic diagram for the fluid end component for being located at water supply pump upper layer in Fig. 2；
Fig. 8 is the schematic diagram for the fluid end component for being located at water supply pump lower layer in Fig. 2；
Fig. 9 is the schematic diagram of the fluid end component on another embodiment upper layer of plunger type building water supply pump of the present invention；
Figure 10 is the schematic diagram of the fluid end component in another embodiment middle level of plunger type building water supply pump of the present invention；
Figure 11 is the schematic diagram of the fluid end component of another embodiment lower layer of plunger type building water supply pump of the present invention.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, can also be
Electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
The present invention proposes a kind of plunger type building water supply pump.
Referring to Figures 1 and 2, plunger type building water supply pump of the invention includes the pump housing 10, and power end group is equipped in the pump housing 10
Part (not indicating) and fluid end component 20；
Power end component includes drive shaft 11, and drive shaft 11 is equipped with eccentric wheel 12, and drive shaft 11 is through the pump housing 10 and drives
Movable eccentric wheel 12 rotates；
Fluid end component 20 includes hydraulic cylinder 21 and plunger 22, and plunger 22 is placed in hydraulic cylinder 21 and by hydraulic cylinder 21 along column
The axially spaced of plug 22 is two mutual indepedent and sealing cavity volumes 211, and two cavity volumes 211 are equipped with 23 He of feed pathway
Apocenosis passage 24, feed pathway 23 and apocenosis passage 24 are equipped with check valve (not shown)；Eccentric wheel 12 is built in plunger 22 simultaneously
Driving plunger 22 moves axially in reciprocal fashion, to change the volume of two cavity volumes 211.
In embodiments of the present invention, 11 external connection power device (not shown) of drive shaft is rotated.Drive shaft 11 drives partially
Heart wheel 12 rotates, and eccentric wheel 12 drives plunger 22 to move back and forth, and the plunger 22 of reciprocating motion changes simultaneously two cavity volumes
211 volume, the liquid in two cavity volumes 211 are under pressure, in the unidirectional of respective feed pathway 23 and apocenosis passage 24
Under valve cooperation, liquid enters from feed pathway 23, then is discharged from apocenosis passage 24.In the case where drive shaft 11 rotates a circle,
Plunger 22 is completed once to move back and forth, at this point, two cavity volumes 211 are completed once to absorb water and once drain, makes the water supply pump
Reach the function of two-way uninterrupted pumping liquid.
Technical solution of the present invention is not only made by the way that eccentric wheel 12 is built in plunger 22 to drive 22 two-way work doing of plunger
The power end component of water supply pump, in one, reduces the volume of water supply pump, and water supply pump is made to reach with fluid end assembly set
Efficient, the high purpose of lift.
For the water supply pump in use state, drive shaft 11 is perpendicular to horizontal plane direction through the pump housing 10 and by the pump housing 10
Upper part stretch out for external connection power device, external connection power device is motor or diesel engine etc., directly installs power plant
In the upper end of the pump housing, overall structure is not only simplified, also makes the shape of the water supply pump more close to traditional building water supply pump.Into
One step, plunger 22 and eccentric wheel 12 are directly immersed in working fluid, can directly be carried out to heat generating components using working solution cold
But, to eliminate lubrication and cooling system so that the water supply pump use when more energy-saving and environmental protection, safeguard it is simple the advantages that.
Further, referring to Fig. 5, water supply pump is additionally provided with flow-rate adjustment component 3；
Referring to Fig. 3, the sectional view in the directions B-B for the vertical view of eccentric wheel 12 and along vertical view Fig. 3,12 edge of eccentric wheel
It is axially arranged with through-hole 121, drive shaft 11 has first position 1211 through through-hole 121, through-hole 121 along the radial direction of eccentric wheel 12
With the second position 1212；
When adjusting the flow-rate adjustment component 3 makes drive shaft 11 be located at first position 1211, eccentric wheel 12 is non-eccentricity state；
When adjusting the flow-rate adjustment component 3 makes drive shaft 11 be located at the second position 1212, eccentric wheel 12 is eccentric state.
When drive shaft 11 is located at the radial different location of eccentric wheel 12, eccentric wheel 12 is turned with different eccentricities
It is dynamic.The through-hole 121 is set, thus it is possible to vary drive shaft 11 is located at the radial position of eccentric wheel 12, so as to adjust the inclined of eccentric wheel 12
The heart is away from and then changing the stroke that eccentric wheel 12 drives plunger 22 to move back and forth, reach to water supply pump water suction and drain discharge
It adjusts, it is simple in structure.
Specifically, referring to Fig. 5, flow-rate adjustment component 3 includes the first regulating part 31 and the second regulating part 32；
Mounting groove 111 is equipped in drive shaft 11, the side wall of drive shaft 11 is equipped with the mounting hole 112 of connection mounting groove 111, the
One regulating part 31 is placed in mounting groove 111, and the second regulating part 32 is placed in mounting hole 112, and 32 one end of the second regulating part is connected to
The side wall of through-hole 121, the other end are connected to the first regulating part 31；
It is the front view of the first regulating part 31 referring to Fig. 4, Fig. 4, the first regulating part 31 is equipped with the first adjustment portion 311 and second
Adjustment portion 312, in conjunction with Fig. 3 to Fig. 5, when the second regulating part 32 is connected to the first adjustment portion 311, drive shaft 11 is located at first position
1211, when the second regulating part 32 is connected to the second adjustment portion 312, drive shaft 11 is located 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 adjustment portion 311 and along drive shaft 11
Two adjustment portions 312,31 one end of the first regulating part, which is equipped with, drives its resilience part 33 to another end motion, and the first regulating part 31 is another
One end, which is equipped with, drives its regulating switch 34 to an end motion, and regulating switch 34 is manually, electrically, pneumatically or hydraulically to control.
As shown in Fig. 2, the upper end of the first regulating part 31 is equipped with resilience part 33, which is specially spring, bullet
One end of spring is connected to 111 other end of mounting groove and is connected to the upper end of the first regulating part 31 and is in compressive state；First is adjusted
The lower end of part 31 is equipped with regulating switch 34, which is specially a laterally displaceable ladder sliding block cooperation first
The structure of ball, the first ball are located between the bottom and ladder sliding block of the first regulating part 31 and are abutted against with the two, work as ladder
When sliding block is displaced sideways under outer power drive, which can contact the low level and a high position of the ladder sliding block respectively, this
When, the first regulating part 31 can be moved down and be moved up under the pressure of the spring.
Second regulating part 32 is specially sliding block and the matched structure of the second ball, and the second ball is located at sliding block and first and adjusts
Between section 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, at this time the second regulating part 32
It is abutted against with the second adjustment portion 312 of the first regulating part 31, eccentric wheel 12 is eccentric state at this time.
In conjunction with Fig. 2 and Fig. 6, it is illustrated that position is the state after the first regulating part 31 moves down, at this time the second regulating part 32
It is abutted against with the first adjustment portion 311 of the first regulating part 31, eccentric wheel 12 is non-eccentricity state, eccentric wheel under this state at this time
12 do not drive plunger 22 to move back and forth, and to which water supply pump stops pumping liquid, drive power that need not do work at this time, reach
Energy-saving effect.
Second adjustment portion 312 includes first segment 3121 and second segment 3122 as shown in Figure 5, when the second regulating part 32 abuts
When second segment 3122, eccentric wheel 12 reaches the maximum state of eccentricity, and water supply pump discharge is maximum at this time, when the second regulating part
32 when being connected to first segment 3121, and the eccentricity of eccentric wheel 12 is in zero between maximum.Adjust the upper and lower of the first regulating part 31
Position, you can realize the water supply pump discharge by zero to the adjusting maximum stream flow.It is simple in structure, it is easy to adjust.
In the flow-rate adjustment component 3, the first regulating part 31 can also be to be adjusted first other than above-mentioned set-up mode
Along the circumferentially disposed of the first regulating part 31, rotate in a circumferential direction the first regulating part 31, makes the second adjusting for portion 311 and the second adjustment portion 312
Part 32 is connected to the first adjustment portion 311 and the second adjustment portion 312 respectively, to achieve the purpose that adjust the water supply pump water flow.
The specific implementation of the flow-rate adjustment component 3 is not limited to above-mentioned several, can also be existing adjusting eccentric wheel
Any way of eccentricity, is not listed one by one herein.
Further, water supply pump includes multiple fluid end components 20 and multiple eccentric wheels 12, multiple 20 edges of fluid end component
The axial setting of drive shaft 11, each eccentric wheel 12 are built in a plunger 22, and the axis of multiple fluid end components 20 is overlooked as folder
Angle is equal, and it is that angle is equal that the eccentric direction of multiple eccentric wheels 12, which is overlooked,.
In order to avoid the water supply pump is pulsed caused by the wobbler action of eccentric wheel 12 during the work time, by fluid power
End component 20 is set as multiple, and it is that angle is equal that the axis of multiple fluid end components 20, which is overlooked, makes water supply pump worked
Reduce vibrations and noise in journey, further increases the practicality.
Equipped with multiple fluid end component 20, the first regulating part 31 in flow-rate adjustment component 3 is specially to justify
Rod structure, wherein the first adjustment portion 311 and the second adjustment portion 312 are the different circumferential section of diameter.
Specifically, in conjunction with Fig. 2, Fig. 7 and Fig. 8, water supply pump includes two fluid end components 20, two fluid end components 20
It is 90 ° that axis, which overlooks angle, and drive shaft 11 connects two eccentric wheels 12, and the eccentric direction of two eccentric wheels 12 overlooks angle and is
180°。
Present embodiment is specially the case where there are two fluid end components 20, and Fig. 7 is shown above the water supply pump
Fluid end component 20, Fig. 8 show the fluid end component 20 below the water supply pump.The two position can be interchanged.
The eccentric direction of dynamic balancing when in order to ensure that eccentric wheel 12 rotates, two eccentric wheels 12 uniformly divides circumferentially
Cloth.Hydraulic cylinder 21 is separated by plunger 22 for two cavity volumes 211 in a fluid end component 20, and two cavity volumes 211 are equal
It is absorbed water and is drained.Two fluid end components 20 are set and the axis of two fluid end components 20 is made to overlook to be mutually perpendicular to,
Then, in the case where drive shaft 11 rotates a circle, which is that four direction is absorbed water and drained, and is largely reduced
The pulsation of the water supply pump, makes the water supply pump achieve the effect that the operation is stable, further enhances practicability.
Referring to Fig. 9 to Figure 11, for the fluid end component 20 and eccentric wheel 12 in another embodiment of the water supply pump, the reality
Tool is applied in mode there are three fluid end component 20, Fig. 9 to Figure 11 is respectively the vertical view of three fluid end components 20, in Figure 10
Fluid end component 20 is overlooked to be rotated in a clockwise direction 60 ° relative to the fluid end component 20 in Fig. 9, the fluid power in Figure 11
End component 20 is overlooked to be rotated in a clockwise direction 60 ° relative to the fluid end component 20 in Figure 10, that is, as shown in the figure
, the fluid end component 20 in Figure 11 is overlooked relative to the fluid end component 20 in Fig. 9 to be rotated in a clockwise direction 120 °；
Eccentric wheel 12 is overlooked relative to the eccentric wheel 12 in Fig. 9 to be rotated in a clockwise direction 120 ° in Figure 10, eccentric wheel in Figure 11
12 overlook relative to the eccentric wheel 12 in Figure 10 to be rotated in a clockwise direction 120 °, that is, as illustrated in the drawing, in Figure 11
Eccentric wheel 12 is overlooked to be rotated in a clockwise direction 240 ° relative to the eccentric wheel 12 in Fig. 9.Have three in the embodiment
A fluid end component 20 can further balance pulsation caused by water supply pump, further improve the stabilization of the water supply pump
Property and practicability.The position of three fluid end components 20 can be interchanged in the embodiment.
As depicted in figs. 1 and 2, the both ends of plunger 22 are equipped with seal groove (for mark), and the first sealing is equipped in seal groove
Part 221, first seal 221 separate two sealings of cavity volume 211.
It, only need to be in the letter of the both ends of plunger 22 in order to separate two cavity volumes 211 sealing in a fluid end component 20
Single setting seal groove, and then seal groove is filled up with first seal 221, so that first seal 221 is abutted the side of hydraulic cylinder 21
Wall and seal groove inner wall, to simplify the sealing structure of the water supply pump, and then simplify the water supply pump on the whole
Structure.
Other than above-mentioned set-up mode, seal groove can also be opened up on hydraulic cylinder 21, first seal 221 is set to
In the seal groove of hydraulic cylinder 21.Above two set-up mode is equivalent structure.
In order to further strengthen sealing effect, the interface in 10 outside of the pump housing is equipped with multiple second seals 222.
Optionally, plunger 22 is projected as rectangular or round in an axial direction.
In the specific implementation mode of the present invention, for the ease of eccentric wheel 12 to be installed on to the inside of plunger 22, plunger 22 is set
It is set to and is projected as square structure in an axial direction.In order to further decrease the volume of the water supply pump, also the plunger 22 can be set as flat
, that is, the structure for being set as plunger 22 to be projected as rectangle or ellipse in an axial direction.
Further, water supply pump is additionally provided with inlet tube 4 and drain pipe 5, and feed pathway 23 and the apocenosis passage 24 are distinguished
Inlet tube 4 and drain pipe 5 are converged at, inlet tube 4 and drain pipe 5 are set to the lower position of 10 side wall of the pump housing.
Since original building water supply pump is vertical structure, the inlet and leakage fluid dram that connect outer water tube are set to pump
The lower position of the shell of body, the water supply pump, will be for connecting outer water tube in order to match the installation site of original water supply pump
Inlet tube 4 and drain pipe 5 are set to the lower position of 10 side wall of the pump housing.Further enhance the practicability of the pump housing, and into one
Step has saved cost.
Other than above-mentioned set-up mode, the inlet tube 4 and drain pipe 5 can also be arranged as required in 10 side wall of the pump housing
Any other position.
Optionally, it is round, rectangular or hexagon that the pump housing 10, which is overlooked,.
It is circular structure to be set as overlooking by the pump housing 10 in the specific embodiment of the invention, not only makes the outer of the water supply pump
Shape is beautiful, and further has matched the structure of original water supply pump.Other than aforesaid way, which may be arranged as overlooking
For other shapes such as rectangular or hexagons, to meet different demands.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (8)
1. a kind of plunger type building water supply pump, including the pump housing, the pump housing is interior to be equipped with power end component and fluid end component, spy
Sign is:
The power end component includes drive shaft, the drive shaft be equipped with eccentric wheel, the drive shaft through the pump housing simultaneously
The eccentric wheel is driven to rotate；
The fluid end component includes hydraulic cylinder and plunger, and the plunger is placed in the hydraulic cylinder and by the hydraulic cylinder along column
The axially spaced of plug is two mutual indepedent and sealing cavity volumes, and two cavity volumes are equipped with feed pathway and apocenosis passage；
The eccentric wheel is built in the plunger and the plunger is driven to move axially in reciprocal fashion, to change the volume of two cavity volumes；
The eccentric wheel is equipped with through-hole in an axial direction, and the drive shaft is through the through-hole, radial direction of the through-hole along eccentric wheel
With first position and the second position；The water supply pump is additionally provided with flow-rate adjustment component, and the flow-rate adjustment component includes first
Regulating part and the second regulating part, the drive shaft is interior to be equipped with mounting groove, and the side wall of the drive shaft, which is equipped with, is connected to the mounting groove
Mounting hole, first regulating part is placed in the mounting groove, and second regulating part is placed in the mounting hole, described
Two regulating part one end are connected to the side wall of the through-hole, and the other end is connected to first regulating part, and first regulating part is set
There are the first adjustment portion and the second adjustment portion；
When adjusting the flow-rate adjustment component makes second regulating part be connected to first adjustment portion, the drive shaft is located at
The first position, the eccentric wheel are non-eccentricity state；It is described when second regulating part is connected to second adjustment portion
Drive shaft is located at the second position, and the eccentric wheel is eccentric state.
2. plunger type building water supply pump as described in claim 1, which is characterized in that first regulating part is along the drive shaft
Be axially arranged with first adjustment portion and second adjustment portion, first regulating part one end, which is equipped with, drives it to the other end
The resilience part of movement, the first regulating part other end, which is equipped with, drives its regulating switch to an end motion, the adjusting to open
It closes manually, electrically, pneumatically or hydraulically to control.
3. plunger type building water supply pump as claimed in claim 1 or 2, which is characterized in that the water supply pump includes multiple described
Fluid end component and multiple eccentric wheels, multiple fluid end components are along the axial direction setting of the drive shaft, each bias
Wheel is built in a plunger, and it is that angle is equal that the axis of multiple fluid end components, which is overlooked, the bias side of multiple eccentric wheels
It is that angle is equal to overlooking.
4. plunger type building water supply pump as claimed in claim 3, which is characterized in that the water supply pump includes two fluid power
Component is held, it is 90 ° that the axis of two fluid end components, which overlooks angle, described two eccentric wheels of driving axis connection, two
It is 180 ° that the eccentric direction of a eccentric wheel, which overlooks angle,.
5. plunger type building water supply pump as claimed in claim 4, which is characterized in that the both ends of the plunger are equipped with sealing
Slot, the seal groove is interior to be equipped with first seal, and the first seal separates two cavity volumes sealings.
6. plunger type building water supply pump as claimed in claim 5, which is characterized in that the plunger be projected as in an axial direction it is rectangular or
It is round.
7. plunger type building water supply pump as claimed in claim 6, which is characterized in that the water supply pump is additionally provided with inlet tube and row
Liquid pipe, the feed pathway and the apocenosis passage converge at inlet tube and drain pipe, the inlet tube and the drain respectively
Guan Jun is set to the lower position of the pump housing side wall.
8. plunger type building water supply pump as claimed in claim 7, which is characterized in that the pump housing overlook be it is round, rectangular 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 CN106014961A (en) | 2016-10-12 |
| CN106014961B true CN106014961B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610555853.0A Active CN106014961B (en) | 2016-07-13 | 2016-07-13 | Plunger type building water supply pump |
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| 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 |
| CN102758769B (en) * | 2012-04-08 | 2015-08-26 | 杭州大潮石化设备有限公司 | For the direct connection double-action stroke adjusting device of 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 |
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2016
- 2016-07-13 CN CN201610555853.0A patent/CN106014961B/en active Active
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