CN109973343A - The radial pump of integral plunger module - Google Patents
The radial pump of integral plunger module Download PDFInfo
- Publication number
- CN109973343A CN109973343A CN201910251102.3A CN201910251102A CN109973343A CN 109973343 A CN109973343 A CN 109973343A CN 201910251102 A CN201910251102 A CN 201910251102A CN 109973343 A CN109973343 A CN 109973343A
- Authority
- CN
- China
- Prior art keywords
- hole
- eccentric shaft
- plunger
- oil
- sliding eye
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 32
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 208000010271 Heart Block Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
- F04B1/0536—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units
- F04B1/0538—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units located side-by-side
-
- 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
-
- 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
- F04B53/10—Valves; Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention relates to radial pump technical fields, disclose the radial pump of integral plunger module, including the pump housing and the eccentric shaft being rotationally connected on the pump housing, the endface of the pump housing is rotatably connected to several plungers, the plunger is arranged along eccentric shaft axial direction, the plunger includes piston and obturating plug, the sliding eye for offering oil pocket in the obturating plug and being connected to oil pocket, the piston is slidably connected in sliding eye, the fuel feed hole being connected with sliding eye is offered on the obturating plug, the oil outlet being connected with oil pocket is offered on the obturating plug, the junction of the oil pocket and sliding eye is equipped with check valve, the eccentric shaft is in axial direction equipped with the eccentric block with piston face, the eccentric block is circumferentially uniformly arranged on eccentric shaft.By check valve can fuel feed hole setting, the oil circuit of each plunger is mutually indepedent, will not influence each other, and the position of eccentric shaft can not be circumferentially arranged on eccentric shaft in the same side, to guarantee the stability of eccentric shaft movement.
Description
Technical field
The present invention relates to radial pump technical fields, the in particular to radial pump of integral plunger module.
Background technique
Radial plunger pump is very important hydraulic driving element in industrial circle, is widely used in engineering machinery, mine
The industry such as machinery, plastics machinery, ship, aviation, automobile, road and bridge, metallurgy.
Structure composition mainly has an eccentric shaft, plunger, and eccentric shaft turns drive piston reciprocation movement to realize oil suction and fuel-displaced.For
Increase the oil pump capacity of plunger pump, most common method is to increase plunger.
As shown in Figure 1, existing plunger pump is superimposed with multiple plungers, the bottom of each plunger along eccentric shaft axial direction
Check valve is installed, oil inlet is used for；Interconnected oil outlet is offered on the side wall of plunger.Multiple plungers in use, if its
In a plunger oil inlet, another plunger is fuel-displaced, then plunger discharge oil can from oil outlet enter another plunger in, to make
Oil pressure in another plunger becomes larger, and influences the oil inlet of the plunger.Therefore, existing plunger pump is in use, be stacked on same axis
Upward plunger all moves synchronously, while oil inlet and fuel-displaced.
The working characteristics of existing plunger pump, in order to move synchronously the plunger in same axial direction all, on eccentric shaft
Eccentric block is necessary for bar shaped and is arranged along the axial direction of eccentric shaft, and such eccentric block could simultaneously apply all plungers in axial direction
Reinforcing, guarantees that plunger moves synchronously.
But the eccentric block on eccentric shaft is located at eccentric shaft side, eccentric shaft centrifugal force in rotation is larger, and eccentric shaft exists
The stability of eccentric shaft is poor when rotation, and vibration is larger, is easily damaged, service life is shorter.
Summary of the invention
The object of the present invention is to provide the radial pumps of integral plunger module, and there are eccentric shaft turns to stablize, be hardly damaged,
The longer advantage of service life.
Above-mentioned technical purpose of the invention has the technical scheme that
The radial pump of integral plunger module, including the pump housing and the eccentric shaft being rotationally connected on the pump housing, the end face of the pump housing
Place is rotatably connected to several plungers, and the plunger is arranged along eccentric shaft axial direction, and the plunger includes piston and obturating plug, described
The sliding eye for offering oil pocket in obturating plug and being connected to oil pocket, the piston are slidably connected in sliding eye, are opened on the obturating plug
Equipped with the fuel feed hole being connected with sliding eye, the oil outlet being connected with oil pocket, the oil pocket and cunning are offered on the obturating plug
The junction in dynamic hole is equipped with check valve, and the eccentric shaft is in axial direction equipped with the eccentric block with piston face, the bias
Block is circumferentially uniformly arranged on eccentric shaft.
By using above-mentioned technical proposal, multiple plungers, which are overlapped mutually, to be installed in the pump housing, the oil for the plunger being overlapped mutually
Chamber is interconnected.Eccentric block is evenly distributed on eccentric shaft in a circumferential direction, eccentric shaft rotation when, multiple eccentric blocks from
Mental and physical efforts mutually balance, so that eccentric shaft is whole relatively stable in rotation, eccentric shaft is hardly damaged, and service life is longer.
Eccentric block is circumferentially arranged along eccentric shaft axial direction, and time point when extruding of the plunger of different height by eccentric block is different.
That is, same time point, two axially adjacent plungers, one of them extruding by eccentric block, another then not with eccentric block
It contradicts.The movement of eccentric block on same axis is not identical.When one of plunger is squeezed by eccentric block, piston is by inclined
Heart block squeezes, and piston by the oil pressure in sliding eye to oil pocket, open by check valve, and oil enters oil pocket and is discharged from oil outlet.Another
Plunger is not contacted with eccentric block, and piston forms negative pressure to moving far from oil pocket direction between piston and oil pocket, and check valve is by oil pocket
It closes, when at piston motion to fuel feed hole, the negative pressure in sliding eye is by oil out of fuel feed hole sucking sliding eye.At this point, the plunger
When interior oil pocket has the oil liquid in other plungers to enter, by blocking for check valve, which will not be flowed by check valve
In sliding eye.Therefore, the oil circuit of each plunger is mutually indepedent, will not influence each other.Thus, the position of eccentric shaft can not be
The same side is circumferentially arranged on eccentric shaft, to guarantee the stability of eccentric shaft movement.
Further, the obturating plug offers the counter sink being connected with oil pocket, the counter sink far from one end of piston
Internal screw thread is connected with hold-down bolt, and sealing ring is equipped at the contact surface of the hold-down bolt and counter sink.
By using above-mentioned technical proposal, the bottom of obturating plug is connected with hold-down bolt, and hold-down bolt is detachably connected with obturating plug
Convenient for the dismounting of check valve.
Further, the end of the hold-down bolt towards sliding eye offers the mounting groove of indent, the check valve packet
Valve plate, valve ball and locking spring are included, the valve plate is installed at the notch of mounting groove, and face sliding eye is offered on the valve plate
Valve opening, the valve ball be located in mounting groove with valve opening face, the locking spring between valve ball and the bottom of mounting groove,
The intercommunicating pore of connection mounting groove and oil pocket is offered on the hold-down bolt.
By using above-mentioned technical proposal, when oil inlet, piston is moved away from check valve, and valve ball is in locking spring and negative pressure
Under effect, valve ball blocks the valve opening on valve plate.Negative pressure is formed in sliding eye, when piston opens fuel feed hole, oil liquid enters cunning
In dynamic hole.When fuel-displaced, oil liquid is pressed to check valve by piston, and piston blocks fuel feed hole, and oil liquid presses to valve ball, and valve ball overcomes locking
Spring force opens valve opening, and oil liquid is entered in mounting groove by valve opening and flowed into oil pocket from intercommunicating pore.Pass through valve ball, valve plate
Relatively simple with the structure of the setting of locking spring, check valve, use is more convenient.
Further, the junction of the oil pocket and sliding eye is equipped with the sealing element of annular, and sealing element is located at sliding eye
Between valve plate.
By using above-mentioned technical proposal, the end of valve plate and oil pocket is blocked and is sealed by sealing element, prevents oil liquid
Leakage.
Further, the oil outlet includes the hole one and hole two positioned at obturating plug two sides, the end in the hole one be equipped with to
The end of the connecting tube of outer extension, the hole two offers the link slot of the indent matched with connecting tube.
By using above-mentioned technical proposal, when plunger is connected with plunger, two face of hole one and hole of two adjacent plungers.
Plunger is connected with plunger, and connecting tube is inserted into link slot, and the oil pockets of two plungers is interconnected, and plunger connect with plunger it is steady
It is qualitative preferable.Oil liquid carries out flowing discharge by connecting tube, and oil liquid is not easy to reveal, and leakproofness is preferable.
Further, the Kong Erwei threaded hole is removably connected with screw plug in the hole two.
By using above-mentioned technical proposal, after several plungers stack, the hole two on the plunger far from pump housing bottom needs
It blocking, prevents oil liquid from leaking, operator can block according to use demand device to hole two, and therefore, all plungers are mutually general,
It is easy to use.
Further, several equally distributed dismounting holes are offered on the eccentric shaft, offered on the eccentric block with
The opposite matching hole in hole is dismounted, the fitted bolt being threadedly coupled with dismounting hole is equipped in the matching hole.
By using above-mentioned technical proposal, eccentric block is detachably connected by fitted bolt and eccentric shaft, and operator can
It is installed by using position of the demand to eccentric shaft, it is easy to use.
Further, the piston is equipped with sealing ring towards the end of check valve.
By using above-mentioned technical proposal, when piston slides in sliding eye, sealing ring is sealed piston, prevents oil
Liquid leaks.
In conclusion the invention has the following advantages:
1. by check valve can fuel feed hole setting, the oil circuit of each plunger is mutually indepedent, will not influence each other, eccentric shaft
Position can not be circumferentially arranged on eccentric shaft in the same side, to guarantee the stability of eccentric shaft movement；
2. passing through the setting of valve ball, valve plate and locking spring, the structure of check valve is relatively simple, and use is more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing plunger pump in background technique；
Fig. 2 is the structural schematic diagram of embodiment；
Fig. 3 is the structural schematic diagram of plunger in embodiment；
Fig. 4 is the structural schematic diagram of eccentric shaft in embodiment.
In figure, 1, the pump housing；11, rotation hole；12, bearing；13, framework type sealing ring；14, oil outlet；2, eccentric shaft；21,
Eccentric block；211, matching hole；22, hole is dismounted；23, fitted bolt；3, plunger；31, piston；32, obturating plug；321, counter sink；33,
Oil pocket；34, sliding eye；35, fuel feed hole；36, oil outlet；361, Kong Yi；3611, connecting tube；362, hole two；3621, link slot；
363, screw plug；37, check valve；371, valve plate；3711, valve opening；372, valve ball；373, locking spring；38, limit film；39,
Reset spring；4, hold-down bolt；41, sealing ring；42, mounting groove；43, intercommunicating pore；5, sealing element；6, sealing ring；7, end cap；
71, working chamber；72 oil inlets.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment:
The radial pump of integral plunger module, such as Fig. 2, including the pump housing 1, end cap 7, eccentric shaft 2 and plunger 3.End cap 7 is in " Qian " word
Shape, lid is closed forms working chamber 71 between the end of the pump housing 1, end cap 7 and the pump housing 1.Plunger 3, which is mounted in working chamber 71, carries out work
Make.
Such as Fig. 2,1 center of the pump housing offers the rotation hole 11 being connected with working chamber 71, and eccentric shaft 2 is rotationally connected with rotation
In hole 11.Bearing 12 is installed, rotation hole 11 is equipped with framework type sealing ring 13 far from the end of working chamber 71 in rotation hole 11
Oil liquid is sealed, prevents oil liquid excessive.
Such as Fig. 2, oil inlet 72 is offered on end cap 7, oil outlet 14 is offered on the pump housing 1, oil liquid enters from oil inlet 72,
Plunger 3 extrudes oil liquid from oil outlet 14.
Such as Fig. 2, it is uniformly provided with multiple oil outlets 14 on the pump housing 1, plunger 3 is equipped with multiple to be corresponded with oil outlet 14.
Multiple plungers 3 can increase the oil pump capacity of the pump housing 1.
Such as Fig. 2, the layering setting of plunger 3, multilayer plunger 3 is overlapped mutually, to increase by 3 quantity of plunger, further increases pump
The oil pump capacity of body 1.
Such as Fig. 2, two plungers 3 on same axis are connected with each other, and it is opposite with an oil outlet 14 to be interconnected, same
3 public oil outlets 14 of all plungers on axis.
Such as Fig. 3, plunger 3 includes obturating plug 32 and piston 31, offers interconnected oil pocket 33 and sliding eye in obturating plug 32
34,31 one end of piston is slidably connected in sliding eye 34, the other end stretch out sliding eye 34 be directed toward eccentric shaft 2(see Fig. 2) and with it is inclined
Mandrel 2(is shown in Fig. 2) it matches.Piston 31 is equipped with sealing ring 6 towards the end of oil pocket 33, and sealing ring 6 is to piston 31 and sliding eye
Gap between 34 is sealed, and is improved leakproofness, is prevented oil liquid from revealing.
Such as Fig. 3, piston 31 is equipped with limit film 38 towards the end of eccentric shaft 2, is connected between limit film 38 and obturating plug 32 multiple
Position spring 39.Eccentric shaft 2 rotates, and presses piston 31, piston 31 slides in sliding eye 34, work of the piston 31 in reset spring 39
It is resetted with lower stretching sliding eye 34.Reset spring 39 and eccentric shaft 2(are shown in Fig. 2) cooperate so that piston 31 carry out it is past
Multiple movement.
Such as Fig. 3, multiple fuel feed holes 35 being connected with sliding eye 34 are circumferentially uniformly provided on obturating plug 32, piston 31 is in cunning
Sliding in dynamic hole 34.When piston 31 is far from oil pocket 33, negative pressure is formed in sliding eye 34, piston 31 moves at fuel feed hole 35 gradually
Fuel feed hole 35 is opened, oil liquid enters from fuel feed hole 35, to carry out oil suction.Piston 31 is moved to 33 direction of oil pocket, by oil liquid
Press to oil pocket 33.
Such as Fig. 3, the junction of oil pocket 33 and sliding eye 34 forms step and is equipped with the sealing element 5 of annular, in oil pocket 33
Check valve 37 is installed, when oil liquid is pressed to oil pocket 33 by piston 31, check valve 37 is opened, and oil liquid enters in oil pocket 33.Piston 31
When vacuumizing in sliding eye 34, check valve 37 is closed, and prevents the oil liquid in oil pocket 33 from flowing out.
Such as Fig. 3, the bottom of obturating plug 32 offers the counter sink 321 being connected with oil pocket 33, the connection of 321 internal screw thread of counter sink
There is hold-down bolt 4, operator can open oil pocket 33 by hold-down bolt 4, dismount check valve 37, easy to use.Hold-down bolt 4
It is set as T-shaped, sealing ring 41 is equipped at the contact surface of hold-down bolt 4 and counter sink 321, sealing ring 41 is to 4 He of hold-down bolt
The junction of obturating plug 32 is sealed, and prevents draining.
Such as Fig. 3, hold-down bolt 4 is towards the mounting groove 42 for offering indent at the center of the end of oil pocket 33, mounting groove 42
With 34 face of sliding eye, check valve 37 is installed at mounting groove 42.Check valve 37 includes valve plate 371, valve ball 372 and locking spring
373.Valve plate 371 is installed at the notch of mounting groove 42, and valve plate 371 contradicts under the action of hold-down bolt 4 with sealing element 5.Valve
The center of plate 371 offers the valve opening 3711 with 5 inner ring face of sealing element, and valve ball 372 is movably connected in mounting groove 42 and valve
3711 face of hole, the diameter of valve ball 372 are greater than the diameter of valve opening 3711.373 one end of locking spring is connected with valve ball 372, another
End is connected with 42 bottom of mounting groove.Locking spring 373 in the raw when, valve ball 372 blocks valve opening 3711.
Such as Fig. 3, piston 31 presses oil liquid, and oil liquid presses valve ball 372, and valve ball 372 overcomes 373 elastic force of locking spring thus will
Valve opening 3711 is opened, and oil liquid enters in mounting groove 42.After oil liquid stops, valve ball 372 resets stifled under the action of locking spring 373
Plug valve hole 3711.
Such as Fig. 3, intercommunicating pore 43 is offered on clamping screw, intercommunicating pore 43 is connected with mounting groove 42, and oil liquid passes through connection
Hole 43 flows into oil pocket 33 out of mounting groove 42.
Such as Fig. 3, the oil outlet 36 being connected with oil pocket 33 is offered on obturating plug 32, oil outlet 36 and oil outlet 14(are shown in figure
2) face.Oil liquid is discharged out of oil pocket 33 by oil outlet 36, and oil liquid enters oil outlet 14(and sees Fig. 2) it is interior to which the pump housing 1 be discharged
(see figure 2).
Such as Fig. 3, oil outlet 36 includes positioned at the hole 1 and hole 2 362 of 32 two sides of obturating plug, and Kong Yi 361 is directed toward the pump housing 1
Fig. 2 is seen far from pump housing 1(in (see figure 2), hole 2 362).When multiple plungers 3 are connected with each other, Kong Yi 361 and hole 2 362 are used for obturating plug
32 communicate with each other.Oil liquid through hole 1 and hole 2 362 on one of obturating plug 32 flow into another plunger 3, until most
Fig. 2 is seen from oil outlet 14(eventually) discharge.
Such as Fig. 3, the end of Kong Yi 361 is fixed with outwardly extending connecting tube 3611, and the end in hole 2 362 offers and connects
The link slot 3621 for the indent that adapter tube 3611 matches.When plunger 3 is connected with plunger 3, connecting tube 3611 is inserted into link slot 3621
Interior, plunger 3 and the connection area of plunger 3 are larger, and connection is relatively stable, and leakproofness is preferable.
Such as Fig. 3, hole 2 362 is threaded hole, is removably connected with screw plug 363 in hole 2 362.Multiple plungers 3 are mutually
When stacking, see Fig. 2 far from pump housing 1() the hole 2 362 of plunger 3 need to be blocked with screw plug 363, prevent oil liquid from hole
2 362 flow into working chamber 71, influence the fuel-displaced of plunger 3.Hole 2 362 is blocked by screw plug 363, thus plunger
3 structures are identical, and when installation only needs to stack gradually installation, finally use 363 plugging hole 2 362 of screw plug, easy to use.
Such as Fig. 3, multiple plungers 3 are stacked, the oil pocket 33 of the plunger 3 in axial direction all be interconnected, by it is same go out
Oilhole 36 carries out fuel-displaced.But fuel feed hole 35 is mutually indepedent, and due to the setting of check valve 37, when one of plunger 3 into
When oily, the oil pocket 33 of the plunger 3 is not connected by the closing of check valve 37 with sliding eye 34.Remaining plunger 3 is fuel-displaced, oil liquid flow into
When in the oil pocket 33 of the plunger 3 of oil, since check valve 37 exists, so the part oil liquid may not flow into sliding eye 34.Therefore,
The oil circuit of each plunger 3 is in fact mutually indepedent, oil inlet and fuel-displaced will not influence each other, that is, the plunger 3 on same axis does not need
It moves synchronously, does not need while oil inlet and fuel-displaced.
Such as Fig. 3, therefore, when the movement to plunger 3 controls, the plunger 3 on same axis does not need together eccentric shaft 2
Step movement.
Such as Fig. 4, the two sides of eccentric shaft 2 are in axial direction equipped with several eccentric blocks 21, and eccentric block 21 is being set by high and low
Set, the plunger 3(of an eccentric block 21 and sustained height is shown in Fig. 2) cooperated.Adjacent two eccentric blocks 21 are circumferential symmetrical
On eccentric shaft 2.Eccentric shaft 2 rotates, and eccentric block 21 and then moves, and sees Fig. 2 to piston 31() it squeezes, to drive work
Plug 31(is shown in Fig. 2) it moves back and forth.
Such as Fig. 4, the two sides of eccentric shaft 2 offer several equally distributed dismounting holes 22, offer and tear open on eccentric block 21
The opposite matching hole 211 in hole 22 is filled, the fitted bolt 23 being threadedly coupled with dismounting hole 22 is equipped in matching hole 211.Eccentric block
21 are detachably connected by fitted bolt 23 with eccentric shaft 2, and operator can be carried out by using position of the demand to eccentric shaft 2
Installation, it is easy to use.
Specific implementation process: plunger 3 is installed in the pump housing 1, and eccentric shaft 2 rotates, and piston 31 moves back and forth, and oil liquid is from oil inlet
Mouth enters in the pump housing 1, and the pump housing 1 is discharged from oil outlet 14.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. the radial pump of integral plunger module, special including the pump housing (1) and the eccentric shaft (2) being rotationally connected on the pump housing (1)
Sign is: the endface of the pump housing (1) is rotatably connected to several plungers (3), and the plunger (3) is along eccentric shaft (2) axial direction side
To setting, the plunger (3) includes piston (31) and obturating plug (32), offers oil pocket (33) and and oil pocket in the obturating plug (32)
(33) sliding eye (34) being connected to, the piston (31) are slidably connected in sliding eye (34), offer on the obturating plug (32)
The fuel feed hole (35) being connected with sliding eye (34) offers the oil outlet being connected with oil pocket (33) on the obturating plug (32)
(36), the junction of the oil pocket (33) and sliding eye (34) is equipped with check valve (37), and the eccentric shaft (2) is in axial direction
Equipped with the eccentric block (21) with piston (31) face, the eccentric block (21) is circumferentially uniformly arranged on eccentric shaft (2).
2. the radial pump of integral plunger module according to claim 1, it is characterised in that: the obturating plug (32) is far from living
One end of plug (31) offers the counter sink (321) being connected with oil pocket (33), and counter sink (321) internal screw thread is connected with pressure
Sealing ring (41) are equipped at tight bolt (4), the hold-down bolt (4) and the contact surface of counter sink (321).
3. the radial pump of integral plunger module according to claim 2, it is characterised in that: hold-down bolt (4) court
The mounting groove (42) of indent is offered to the end of sliding eye (34), the check valve (37) includes valve plate (371), valve ball
(372) it is installed at the notch of mounting groove (42) with locking spring (373), the valve plate (371), is opened on the valve plate (371)
Valve opening (3711) equipped with face sliding eye (34), the valve ball (372) is located in mounting groove (42) and valve opening (3711) face,
The locking spring (373) is located between valve ball (372) and the bottom of mounting groove (42), offers on the hold-down bolt (4)
It is connected to the intercommunicating pore (43) of mounting groove (42) and oil pocket (33).
4. the radial pump of integral plunger module according to claim 3, it is characterised in that: the oil pocket (33) and sliding
The junction in hole (34) is equipped with the sealing element (5) of annular, and sealing element (5) is located between sliding eye (34) and valve plate (371).
5. the radial pump of integral plunger module according to claim 1, it is characterised in that: the oil outlet (36) includes
Positioned at the hole one (361) and hole two (362) of obturating plug (32) two sides, the end connection with outward extension of the hole one (361)
It manages (3611), the end of the hole two (362) offers the link slot (3621) of the indent matched with connecting tube (3611).
6. the radial pump of integral plunger module according to claim 5, it is characterised in that: the hole two (362) is spiral shell
Pit, the hole two (362) is interior to be removably connected with screw plug (363).
7. the radial pump of integral plunger module according to claim 1, it is characterised in that: opened on the eccentric shaft (2)
Equipped with several equally distributed dismounting holes (22), the matching hole opposite with dismounting hole (22) is offered on the eccentric block (21)
(211), the fitted bolt (23) being threadedly coupled with dismounting hole (22) is equipped in the matching hole (211).
8. the radial pump of integral plunger module according to claim 1, it is characterised in that: piston (31) direction is single
Sealing ring (6) are equipped with to the end of valve (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251102.3A CN109973343A (en) | 2019-03-29 | 2019-03-29 | The radial pump of integral plunger module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251102.3A CN109973343A (en) | 2019-03-29 | 2019-03-29 | The radial pump of integral plunger module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973343A true CN109973343A (en) | 2019-07-05 |
Family
ID=67081699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910251102.3A Pending CN109973343A (en) | 2019-03-29 | 2019-03-29 | The radial pump of integral plunger module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973343A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552855A (en) * | 2019-08-05 | 2019-12-10 | 浙江工业大学 | multilayer radial large-flow high-pressure multi-plunger oil pump device |
| CN113309681A (en) * | 2021-06-17 | 2021-08-27 | 华侨大学 | Star-shaped high-pressure radial plunger pump |
| CN113431771A (en) * | 2021-06-22 | 2021-09-24 | 无锡市晟瑞机械电子有限公司 | Radial plunger pump |
| CN114704449A (en) * | 2022-03-17 | 2022-07-05 | 郑州三华科技实业有限公司 | Slurry supply device and color mixer |
| CN115805925A (en) * | 2022-11-11 | 2023-03-17 | 浙江名洲汽车零部件股份有限公司 | Brake master cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609182A (en) * | 1992-11-24 | 1997-03-11 | Itt Automotive Europe Gmbh | Valve |
| CN2440949Y (en) * | 2000-09-08 | 2001-08-01 | 无锡威孚集团有限公司 | Oil jetting pump |
| DE10115168C1 (en) * | 2001-03-27 | 2002-08-22 | Orange Gmbh | High-pressure fuel pump, in particular for injection systems of internal combustion engines |
| CN2672321Y (en) * | 2003-11-28 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Super high pressure radial plunger pump without outer casing |
| CN201100515Y (en) * | 2007-08-06 | 2008-08-13 | 韩玉东 | Pole piston lubrication pump |
| CN102364081A (en) * | 2011-11-09 | 2012-02-29 | 王晓燕 | Plunger type single oil supply pump |
-
2019
- 2019-03-29 CN CN201910251102.3A patent/CN109973343A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609182A (en) * | 1992-11-24 | 1997-03-11 | Itt Automotive Europe Gmbh | Valve |
| CN2440949Y (en) * | 2000-09-08 | 2001-08-01 | 无锡威孚集团有限公司 | Oil jetting pump |
| DE10115168C1 (en) * | 2001-03-27 | 2002-08-22 | Orange Gmbh | High-pressure fuel pump, in particular for injection systems of internal combustion engines |
| CN2672321Y (en) * | 2003-11-28 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Super high pressure radial plunger pump without outer casing |
| CN201100515Y (en) * | 2007-08-06 | 2008-08-13 | 韩玉东 | Pole piston lubrication pump |
| CN102364081A (en) * | 2011-11-09 | 2012-02-29 | 王晓燕 | Plunger type single oil supply pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552855A (en) * | 2019-08-05 | 2019-12-10 | 浙江工业大学 | multilayer radial large-flow high-pressure multi-plunger oil pump device |
| CN113309681A (en) * | 2021-06-17 | 2021-08-27 | 华侨大学 | Star-shaped high-pressure radial plunger pump |
| CN113309681B (en) * | 2021-06-17 | 2022-12-06 | 华侨大学 | Star-shaped high-pressure radial plunger pump |
| CN113431771A (en) * | 2021-06-22 | 2021-09-24 | 无锡市晟瑞机械电子有限公司 | Radial plunger pump |
| CN114704449A (en) * | 2022-03-17 | 2022-07-05 | 郑州三华科技实业有限公司 | Slurry supply device and color mixer |
| CN115805925A (en) * | 2022-11-11 | 2023-03-17 | 浙江名洲汽车零部件股份有限公司 | Brake master cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109973343A (en) | The radial pump of integral plunger module | |
| CN101165348B (en) | Medical liquor feeding device | |
| CN105443457B (en) | Continuous liquid pressurizing mechanism and liquid pressure producing method realized by using same | |
| EP2985462B1 (en) | Fold-back coaxial gas booster pump and gas pressure creating method | |
| CN111255677B (en) | A spherical valve group capable of changing the operating position of the valve face | |
| CN109441749B (en) | A shaft-valve compound flow distribution method for a water hydraulic plunger pump | |
| US5364234A (en) | High pressure devices | |
| CN102758754A (en) | Simplified hydraulic end structure of tubular diaphragm metering pump | |
| CN110410311A (en) | A kind of hydraulic resistance balance reciprocating pump | |
| US20100008804A1 (en) | Pump having improved and adjustable packing | |
| CN216342554U (en) | Inner curve hydraulic motor with bidirectional oil distribution | |
| CN116677581B (en) | Plunger type swash plate pump with hydraulic adjusting function | |
| CN110500270B (en) | Bidirectional high-speed miniature plunger pump with inserted oil port | |
| CN110173426B (en) | A pulse-reduced balance type non-sealed valve booster device and pressure balance method | |
| CN109340100B (en) | A kind of plunger pump | |
| CN118030436A (en) | Wheel assembly, radial plunger pump and plunger pump set | |
| CN208396927U (en) | Screw compressor and vehicle with it | |
| CN207905882U (en) | A kind of engine oil grid | |
| CN108361171A (en) | Emulsion matrix plunger pump | |
| CN115288970A (en) | A multi-stage sub-radial rotary cylinder liquid piston type reciprocating compressor | |
| CN201513332U (en) | Separate-pumping mixed-drainage oil well pump | |
| CN208456793U (en) | Reciprocating intensifier pump | |
| CN100538314C (en) | Membrane pump | |
| CN206592275U (en) | A kind of sealing structure on plunger pump | |
| CN110307152A (en) | A kind of diaphragm seal valve type gas-liquid delivery system and pumping method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190705 |