CN111852807A - Novel high-pressure multistage bidirectional pump - Google Patents
Novel high-pressure multistage bidirectional pump Download PDFInfo
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- CN111852807A CN111852807A CN202010719668.7A CN202010719668A CN111852807A CN 111852807 A CN111852807 A CN 111852807A CN 202010719668 A CN202010719668 A CN 202010719668A CN 111852807 A CN111852807 A CN 111852807A
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/16—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having two or more sets of cylinders or pistons
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/18—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having self-acting distribution members, i.e. actuated by working fluid
- F04B1/182—Check valves
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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
- F04B53/22—Arrangements for enabling ready assembly or disassembly
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to the technical field of aluminum templates, in particular to a novel high-pressure multistage bidirectional pump which comprises a cylinder body and a piston cavity, wherein the outer surface of the cylinder body is connected with an oil inlet nozzle and an oil outlet nozzle in a screwing mode, the outer surface of one end, away from the oil inlet nozzle, of the cylinder body is provided with an external thread, the outer surface of one end, away from the oil inlet nozzle, of the cylinder body is sleeved with a front cover, the inner wall of the front cover is provided with an internal thread, the external thread and the internal thread are meshed and fixed, a spline shaft penetrates through one end, away from the cylinder body, of the front cover, the outer surface of the spline shaft is sleeved with a bearing, the spline. The invention adopts double roller paths inside, the steel ball rolls and runs, the joint bearing is adjusted universally and the body and the end cover are in a structure without bolt connection, thereby greatly reducing the abrasion of parts, prolonging the service life of the product, being suitable for all engineering hydraulic systems and being an ideal hydraulic element.
Description
Technical Field
The invention relates to the technical field of pumps, in particular to a novel high-pressure multistage bidirectional pump.
Background
The traditional hydraulic plunger pump is mainly composed of a swash plate, a plunger, a cylinder body, an oil distribution disc, a transmission shaft and other parts. The swash plate and the oil distribution disc are fixed, the plunger and the cylinder body are driven by the transmission shaft to rotate together, and the plunger is pressed on the swash plate under the action of a mechanical device or low-pressure oil.
When the motor drives the transmission shaft to rotate along the direction of the figure, and the cylinder body rotates upwards from the lowest position of the figure, the plunger gradually extends outwards, so that the sealed working volume formed by the plunger and the cylinder body hole is continuously increased, and partial vacuum is generated, so that oil is sucked through an oil suction window on the oil distribution disc, namely the oil suction process;
when the cylinder body rotates downwards from the uppermost position shown in the figure, the plunger is pressed into the hole under the action of the swash plate, the sealed working volume is continuously reduced, and oil is discharged into the system through an oil pressing window on the oil distribution disc, namely the oil pressing process.
When the cylinder body rotates once, each sealed volume finishes one oil absorption and oil pressing process, and if the cylinder body rotates continuously, the pump continuously absorbs oil and presses oil. The multi-connected pump is the function of realizing the multi-functional output of a power with a plurality of pump series connection combination together, and current multi-connected pump is when using, and piston shoe and sloping cam plate easily wear and tear have reduced the life of hydraulic pump, and can not change on same product and just reverse under any state, and the function is single, and production efficiency is low, defects such as with high costs, consequently need urgently to design novel high-pressure multistage two-way pump and solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a novel high-pressure multistage bidirectional pump, which aims to solve the problems of single function, low production efficiency, high cost and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel high-pressure multistage bidirectional pump comprises a cylinder body and a piston cavity, wherein the outer surface of the cylinder body is in screwed connection with an oil inlet nozzle and an oil outlet nozzle, the outer surface of one end of the cylinder body, which is far away from the oil inlet nozzle, is provided with an external thread, the outer surface of one end of the cylinder body, which is far away from the oil inlet nozzle, is sleeved with a front cover, the inner wall of the front cover is provided with an internal thread, the external thread is meshed with the internal thread and is fixed, one end of the front cover, which is far away from the cylinder body, is provided with a spline shaft in a penetrating way, the outer surface of the spline shaft is sleeved with a bearing, the spline shaft is in rotating connection with the front cover through the bearing, one end of the spline shaft, which is far away from the bearing, is sleeved with a double-swash plate, the outer surface of the double-, the inner chamber of the annular oil duct that produces oil communicates with the inner chamber of a glib talker, one side intercommunication that the annular oil duct that produces oil deviates from the oil feed mouth has the piston chamber, the inboard in piston chamber is fixed with the check valve that produces oil, one side swing joint that the check valve that produces oil deviates from the annular oil duct that produces oil has the piston pipe, the inside of piston pipe is fixed with the oil absorption check valve, the piston pipe deviates from the one end swing joint steel ball of oil absorption check valve, and steel ball and two swash plate raceway sliding connection.
Preferably, the inner wall of the piston cavity is attached to the outer surface of the piston tube, the inner cavity of the piston tube is communicated with the inner cavity of the oil inlet pipeline, and the inner cavity of the oil inlet pipeline is communicated with the inner cavity of the oil outlet annular oil passage through the piston tube.
Preferably, the piston cavity comprises an outer ring piston cavity and an inner ring piston cavity, the outer ring piston cavity is arranged around the periphery of the inner ring piston cavity, and the outer ring piston cavity and the inner ring piston cavity are arranged annularly around the periphery of the oil inlet pipeline.
Preferably, the front cover is provided with four groups of fixing holes in the outer surface of the end deviating from the cylinder body, and the four groups of fixing holes are arranged in a square shape.
Preferably, the oil outlet annular oil duct comprises an oil outlet outer ring annular oil duct and an oil outlet inner ring annular oil duct, the oil outlet outer ring annular oil duct and the oil outlet inner ring annular oil duct are of concentric circle structures, the oil outlet outer ring annular oil duct and the oil outlet inner ring annular oil duct are arranged around the periphery of the oil inlet pipeline, a first through hole is formed in the inner wall of the oil outlet outer ring annular oil duct in a penetrating mode, the inner cavity of the oil outlet outer ring annular oil duct is communicated with the inner cavity of the oil outlet nozzle through the first through hole, a second through hole is formed in the inner wall of the oil outlet inner ring annular oil duct in a penetrating mode, and the oil outlet inner ring annular oil duct is communicated with the inner cavity of the oil outlet nozzle.
Preferably, the piston tube includes an outer ring piston tube and an inner ring piston tube, the outer ring piston tube is inserted into the outer ring piston cavity, and the inner ring piston tube is inserted into the inner ring piston cavity.
Preferably, the double-swash-plate raceway comprises an outer-ring swash-plate raceway and an inner-ring swash-plate raceway, the steel balls correspond to the outer-ring piston tubes and the inner-ring piston tubes one to one, each group of the outer-ring piston tubes and the inner-ring piston tubes are all provided with steel balls, and the outer-ring piston tubes and the inner-ring piston tubes are respectively in sliding connection with the outer-ring swash-plate raceway and the inner-ring swash-plate raceway through the steel balls.
Preferably, the outer surface of one end of the spline shaft, which is far away from the bearing, is provided with a DXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDX skeleton oil seal, and the periphery of the DXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDX.
Preferably, the integral key shaft deviates from the one end surface of DXDXDXDXDX skeleton oil blanket and has cup jointed the connection ball, and connects the ball and be spherical, the surface cover of connecting the ball is equipped with the go-between, the go-between rotates with being connected the ball and is connected, the surface mounting of go-between has solid fixed ring, the surface of go-between is connected with the fixed plate through solid fixed ring, logical groove has evenly been seted up in the periphery of fixed plate, and leads to groove and piston tube one-to-one, outer lane piston tube and inner circle piston tube deviate from the one end of oil ring shape oil duct and all run through the inside in logical groove, and outer lane piston tube all rotates with the inner.
Compared with the prior art, the invention has the beneficial effects that: this novel multistage two-way pump of high pressure is inside to adopt two raceways, and the steel ball rolls the operation, and the universal regulation of joint bearing and body and end cover do not have bolted connection formula structure, greatly reduced the wearing and tearing of spare part, improved the life of product, reduced purchase, production, administrative cost.
The double-channel swash plate is fixedly connected with the spline shaft, the piston tube is in sliding connection with the double-swash plate roller paths through the steel ball, the spline shaft can drive the double-swash plate roller paths to rotate through the double-channel swash plate, the steel ball drives the piston tube to stretch and retract along the double-swash plate roller paths, oil in the piston cavity is compressed, the outer ring piston tube and the inner ring piston tube can be simultaneously driven to stretch and retract in the outer ring piston cavity and the inner ring piston cavity by the outer ring swash plate roller path and the inner ring swash plate roller path, double-roller-path, double-function cavity and multifunctional output are realized, the multifunctional output function of a pump body is realized, an oil suction one-way valve is arranged in the piston tube by utilizing the piston principle, the oil return one-way valve is arranged at the oil outlet annular oil duct, the piston tube is driven to reciprocate through the spline shaft, when the piston tube moves, when the piston pipe moves downwards, the oil suction one-way valve is closed, the oil outlet one-way valve is opened, hydraulic oil is output at the moment, the piston pipe does not continuously reciprocate to realize quantitative energy conversion, when the displacement needs to be increased or reduced, displacement switching can be realized only by changing the volume of the piston cavity, the comprehensive performance of a product is not influenced no matter whether the main shaft is positively transmitted or reversely rotated, the product can normally work without any change, the piston cavity and the front cover are connected and fixed through external threads, an assembly boltless connecting structure is realized, the connection of a plurality of bolts is reduced, the harm to the product caused by inconsistent pretightening force strength is reduced, the double roller paths are adopted, the steel balls roll to run, the joint bearing is universally adjusted, the body and the end cover are not bolted, the abrasion of parts is greatly reduced, the service life of the product is prolonged, and purchasing and the cost is reduced, Production and management costs.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of the structure at B-B in FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the structure at C-C in FIG. 2 according to the present invention;
FIG. 5 is a schematic sectional view of a portion of the structure of the fixing plate and the spline shaft shown in FIG. 2 according to the present invention;
fig. 6 is a side view of the structure of the double swash plate raceway of fig. 2 of the present invention.
In the figure: 1. a cylinder body; 2. a piston cavity; 201. an outer ring piston cavity; 202. an inner ring piston cavity; 3. an external thread; 4. a front cover; 5. an oil inlet pipeline; 6. an oil outlet annular oil passage; 601. an oil outlet outer ring annular oil duct; 602. a first through hole; 603. an oil outlet inner ring annular oil duct; 604. a second through hole; 7. a piston tube; 701. an outer ring piston tube; 702. an inner ring piston tube; 8. an oil suction one-way valve; 9. an oil outlet one-way valve; 10. a double swash plate; 11. a double swash plate raceway; 1101. an outer ring swash plate raceway; 1102. an inner ring swash plate raceway; 12. a steel ball; 13. a fixing plate; 14. a through groove; 15. a spline shaft; 16. d52XD36X10 framework oil seal; 17. 6007 bearings; 18. an oil inlet nozzle; 19. an oil outlet nozzle; 20. a fixing hole; 21. a connecting ball; 22. a connecting ring; 23. and (4) fixing the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, in the embodiment provided by the invention, the novel high-pressure multistage bidirectional pump comprises a cylinder body 1 and a piston cavity 2, wherein the outer surface of the cylinder body 1 is screwed and connected with an oil inlet nozzle 18 and an oil outlet nozzle 19, the outer surface of one end of the cylinder body 1, which is far away from the oil inlet nozzle 18, is provided with an external thread 3, the outer surface of one end of the cylinder body 1, which is far away from the oil inlet nozzle 18, is sleeved with a front cover 4, the inner wall of the front cover 4 is provided with an internal thread, and the external thread 3 is meshed and fixed with the internal thread, so that an assembly boltless connecting structure is realized, the harm.
One end of the front cover 4 departing from the cylinder body 1 is provided with a spline shaft 15 in a penetrating mode, the outer surface of the spline shaft 15 is sleeved with a 6007 bearing 17, the spline shaft 15 is rotatably connected with the front cover 4 through the 6007 bearing 17, the rotating friction force between the spline shaft 15 and the front cover 4 is reduced, the rotating speed is higher, the friction coefficient is lower, and the service life of a product is prolonged.
One end of the spline shaft 15, which is far away from a bearing 17 of the 6007, is sleeved with a double-swash-plate 10, the outer surface of the double-swash-plate 10 is provided with a double-swash-plate raceway 11, the inside of the cylinder body 1 is provided with an oil inlet pipeline 5, the oil inlet pipeline 5 is communicated with an inner cavity of an oil inlet nozzle 18, the inside of the cylinder body 1 is provided with an oil outlet annular oil duct 6, the oil outlet annular oil duct 6 is distributed around the periphery of the oil inlet pipeline 5, the inner cavity of the oil outlet annular oil duct 6 is communicated with an inner cavity of an oil outlet nozzle 19, one side of the oil outlet annular oil duct 6, which is far away from the oil inlet nozzle 18, is communicated with a piston cavity 2, the inner side of the piston cavity 2 is fixed with an oil outlet one-way valve 9, one side of the oil outlet one-way valve 9, which is far away from the oil outlet annular oil duct 6, is movably connected, the steel ball 12 and the double-swash-plate raceway 11 roll to run, the rotating speed is high, the friction coefficient is low, the service life of the product is prolonged, the working efficiency is improved, by utilizing the piston principle, the oil absorption one-way valve 8 is arranged in the piston pipe 7, the oil outlet annular oil duct 6 is provided with the oil return one-way valve, the swash plate flexibly rotates through the rotation of the spline shaft 15, so as to drive the piston pipe 7 to reciprocate, when the piston pipe 7 moves upwards, the oil absorption one-way valve 8 is opened, oil enters the cavity of the piston pipe 7, when the piston pipe 7 moves downwards, the oil absorption one-way valve 8 is closed, the oil outlet one-way valve 9 is opened, at the moment, hydraulic oil is output, the piston pipe 7 continuously reciprocates, the quantitative energy conversion is realized, when the displacement needs to be increased or reduced, the displacement switching can be realized only by changing the volume of the piston cavity 2, and the comprehensive performance of, the hydraulic component is an ideal hydraulic component, and can work normally without any change to the product, and is suitable for all engineering hydraulic systems.
Furthermore, the inner wall of the piston cavity 2 is attached to the outer surface of the piston tube 7, so that oil leakage does not occur during piston movement, the inner cavity of the piston tube 7 is communicated with the inner cavity of the oil inlet pipe 5, oil can enter the piston tube 7 through the oil inlet pipe 5, the inner cavity of the oil inlet pipe 5 is communicated with the inner cavity of the oil outlet annular oil duct 6 through the piston tube 7, and the oil can be pressed into the oil outlet annular oil duct 6 through the piston tube 7.
Further, the piston cavity 2 includes an outer ring piston cavity 201 and an inner ring piston cavity 202, the outer ring piston cavity 201 is arranged around the periphery of the inner ring piston cavity 202, and the outer ring piston cavity 201 and the inner ring piston cavity 202 are arranged annularly around the periphery of the oil inlet pipe 5, so that the effect of multi-functional output is achieved.
Further, the front cover 4 is provided with four fixing holes 20 on the outer surface of the end deviating from the cylinder body 1, the number of the fixing holes 20 is four, and the four fixing holes 20 are arranged in a square shape, so that the front cover is conveniently connected with an external machine.
Further, the oil outlet annular oil duct 6 includes an oil outlet outer ring annular oil duct 601 and an oil outlet inner ring annular oil duct 603, the oil outlet outer ring annular oil duct 601 and the oil outlet inner ring annular oil duct 603 are of concentric structures, the oil outlet outer ring annular oil duct 601 and the oil outlet inner ring annular oil duct 603 are all arranged around the periphery of the oil inlet pipe 5, a first through hole 602 is penetratingly formed in the inner wall of the oil outlet outer ring annular oil duct 601, the inner cavity of the oil outlet outer ring annular oil duct 601 is communicated with the inner cavity of the oil outlet nozzle 19 through the first through hole 602, a second through hole 604 is penetratingly formed in the inner wall of the oil outlet inner ring annular oil duct 603, and the oil outlet inner ring annular oil duct 603 is communicated with the inner cavity of the oil outlet nozzle 19 through the second through hole 604.
Further, the piston tube 7 comprises an outer ring piston tube 701 and an inner ring piston tube 702, the outer ring piston tube 701 is inserted into the outer ring piston cavity 201, the inner ring piston tube 702 is inserted into the inner ring piston cavity 202, double-channel and double-piston operation is achieved, and working efficiency is improved.
Further, the double swash plate raceway 11 comprises an outer ring swash plate raceway 1101 and an inner ring swash plate raceway 1102, steel balls 12 correspond to the outer ring piston tubes 701 and the inner ring piston tubes 702 one by one, the steel balls 12 are assembled on each group of the outer ring piston tubes 701 and the inner ring piston tubes 702, the outer ring piston tubes 701 and the inner ring piston tubes 702 are respectively in sliding connection with the outer ring swash plate raceway 1101 and the inner ring swash plate raceway 1102 through the steel balls 12, and the double raceways, the double functional cavities and the multifunctional output function of one pump body are realized.
Further, the outer surface of one end of the spline shaft 15, which is far away from the bearing 17 of 6007, is sleeved with a D52XD36X10 skeleton oil seal 16, the periphery of the D52XD36X10 skeleton oil seal 16 is embedded in the inner wall of the front cover 4, the outer surface of one end of the spline shaft 15, which is far away from the D52XD36X10 skeleton oil seal 16, is sleeved with a connecting ball 21, the connecting ball 21 is spherical, the outer surface of the connecting ball 21 is sleeved with a connecting ring 22, the connecting ring 22 is rotatably connected with the connecting ball 21, the outer surface of the connecting ring 22 is fixed with a fixing ring 23, the outer surface of the connecting ring 22 is connected with a fixing plate 13 through the fixing ring 23, the periphery of the fixing plate 13 is uniformly provided with through grooves 14, the through grooves 14 are in one-to-one correspondence with the piston tubes 7, one ends of the outer ring piston tube 701 and the inner ring piston tube 702, which are far away, the linkage mechanism is realized, the connecting ring 22 is rotatably connected with the connecting ball 21, and the connecting ball 21 is spherical, as shown in fig. 5, so that the through groove 14 can rotate universally along with the connecting ring 22.
The working principle is as follows: during the use, integral key shaft 15 and outside motor are connected fixedly through the shaft coupling, make the motor rotate through shaft coupling drive integral key shaft 15, make integral key shaft 15 can drive two swash plate raceways 11 through two swash plates 10 and rotate, make steel ball 12 drive piston tube 7 and following flexible, compress the fluid in piston chamber 2, and can drive outer lane piston tube 701 and inner circle piston tube 702 simultaneously and stretch out and draw back the activity in outer lane piston chamber 201 and inner circle piston chamber 202 through with outer lane swash plate raceway 1101 and inner circle swash plate raceway 1102.
When the motor drives the spline shaft 15 to rotate clockwise, the double-swash-plate raceway 11 stirs the steel ball 12 to roll, the piston pipe 7 located below gradually extends outwards, the piston pipe 7 located above gradually contracts inwards, so that the sealed working volume formed by the piston pipe 7 and the piston cavity 2 located below is continuously increased, local vacuum is generated, oil is sucked into the piston pipe 7, the sealed working volume of the piston pipe 7 and the piston cavity 2 located above is continuously reduced, the oil is pressurized and discharged from the oil outlet nozzle 19 through the oil outlet annular oil duct 6, and the multiple groups of piston pipes 7 can work alternately to realize the function of multifunctional power output.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. Novel high-pressure multistage two-way pump, its characterized in that: comprises a cylinder body (1) and a piston cavity (2), wherein the outer surface of the cylinder body (1) is connected with an oil inlet nozzle (18) and an oil outlet nozzle (19) in a screwing way, the outer surface of one end of the cylinder body (1) departing from the oil inlet nozzle (18) is provided with an external thread (3), the outer surface of one end of the cylinder body (1) departing from the oil inlet nozzle (18) is sleeved with a front cover (4), the inner wall of the front cover (4) is provided with an internal thread, the external thread (3) is meshed and fixed with the internal thread, one end of the front cover (4) departing from the cylinder body (1) is provided with a spline shaft (15) in a penetrating way, the outer surface of the spline shaft (15) is sleeved with a 6007 bearing (17), the spline shaft (15) is rotatably connected with the front cover (4) through the 6007 bearing (17), one end of the spline shaft (15) departing from the 6007 bearing (17) is sleeved with a double, an oil inlet pipeline (5) is arranged inside the cylinder body (1), the oil inlet pipeline (5) is communicated with an inner cavity of an oil inlet nozzle (18), an oil outlet annular oil duct (6) is arranged inside the cylinder body (1), the oil outlet annular oil duct (6) is distributed around the periphery of the oil inlet pipeline (5), the inner cavity of the oil outlet annular oil duct (6) is communicated with an inner cavity of an oil outlet nozzle (19), one side, deviating from the oil inlet nozzle (18), of the oil outlet annular oil duct (6) is communicated with a piston cavity (2), an oil outlet one-way valve (9) is fixed on the inner side of the piston cavity (2), one side, deviating from the oil outlet annular oil duct (6), of the oil outlet one-way valve (9) is movably connected with a piston pipe (7), an oil absorption one-way valve (8) is fixed inside the piston pipe (7), one end, deviating from the oil absorption one-way valve (8), of the piston pipe (7) is, and the steel ball (12) is connected with the double-sloping-plate roller path (11) in a sliding way.
2. The novel high pressure multistage bidirectional pump of claim 1, wherein: the inner wall of the piston cavity (2) is attached to the outer surface of the piston pipe (7), the inner cavity of the piston pipe (7) is communicated with the inner cavity of the oil inlet pipeline (5), and the inner cavity of the oil inlet pipeline (5) is communicated with the inner cavity of the oil outlet annular oil duct (6) through the piston pipe (7).
3. The novel high pressure multistage bidirectional pump of claim 1, wherein: the piston cavity (2) comprises an outer ring piston cavity (201) and an inner ring piston cavity (202), the outer ring piston cavity (201) is arranged around the periphery of the inner ring piston cavity (202), and the outer ring piston cavity (201) and the inner ring piston cavity (202) are arranged annularly around the periphery of the oil inlet pipeline (5).
4. The novel high pressure multistage bidirectional pump of claim 1, wherein: the outer surface of one end of the front cover (4) departing from the cylinder body (1) is provided with four fixing holes (20), and the number of the fixing holes (20) is four, and the four fixing holes (20) are arranged in a square shape.
5. The novel high pressure multistage bidirectional pump of claim 1, wherein: the oil outlet ring-shaped oil passage (6) comprises an oil outlet outer ring-shaped oil passage (601) and an oil outlet inner ring-shaped oil passage (603), the oil outlet outer ring-shaped oil passage (601) and the oil outlet inner ring-shaped oil passage (603) are of a concentric circle structure, the oil outlet outer ring-shaped oil passage (601) and the oil outlet inner ring-shaped oil passage (603) are all distributed around the periphery of the oil inlet pipeline (5), a first through hole (602) is formed in the inner wall of the oil outlet outer ring-shaped oil passage (601) in a penetrating mode, the inner cavity of the oil outlet outer ring-shaped oil passage (601) is communicated with the inner cavity of the oil outlet nozzle (19) through the first through hole (602), a second through hole (604) is formed in the inner wall of the oil outlet inner ring-shaped oil passage (603), and the inner cavity of the oil outlet nozzle (19) is communicated with the inner cavity of the.
6. The novel high pressure multi-stage bi-directional pump of claim 3, wherein: the piston tube (7) comprises an outer ring piston tube (701) and an inner ring piston tube (702), the outer ring piston tube (701) is inserted into the outer ring piston cavity (201), and the inner ring piston tube (702) is inserted into the inner ring piston cavity (202).
7. The novel high pressure multi-stage bi-directional pump of claim 6, wherein: double swash plate raceway (11) include outer lane sloping cam plate raceway (1101) and inner circle sloping cam plate raceway (1102), steel ball (12) and outer lane piston tube (701) and inner circle piston tube (702) one-to-one, every group all be equipped with steel ball (12) on outer lane piston tube (701) and the inner circle piston tube (702), and outer lane piston tube (701) and inner circle piston tube (702) all through steel ball (12) respectively with outer lane sloping cam plate raceway (1101) and inner circle sloping cam plate raceway (1102) sliding connection.
8. The novel high pressure multi-stage bi-directional pump of claim 7, wherein: the outer surface of one end of the spline shaft (15), which is far away from the 6007 bearing (17), is sleeved with a D52XD36X10 framework oil seal (16), and the periphery of the D52XD36X10 framework oil seal (16) is embedded in the inner wall of the front cover (4).
9. The novel high pressure multi-stage bi-directional pump of claim 8, wherein: the outer surface of one end of the spline shaft (15) departing from the D52XD36X10 framework oil seal (16) is sleeved with a connecting ball (21), the connecting ball (21) is spherical, the outer surface of the connecting ball (21) is sleeved with a connecting ring (22), the connecting ring (22) is rotationally connected with the connecting ball (21), a fixing ring (23) is fixed on the outer surface of the connecting ring (22), the outer surface of the connecting ring (22) is connected with a fixed plate (13) through a fixed ring (23), through grooves (14) are uniformly arranged on the periphery of the fixed plate (13), the through grooves (14) correspond to the piston pipes (7) one by one, one ends of the outer ring piston pipe (701) and the inner ring piston pipe (702) departing from the oil outlet annular oil passage (6) all penetrate through the inside of the through grooves (14), and the outer ring piston pipe (701) and the inner ring piston pipe (702) are rotationally connected with the inner wall of the through groove (14) through a hinge shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010719668.7A CN111852807A (en) | 2020-07-23 | 2020-07-23 | Novel high-pressure multistage bidirectional pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879256A (en) * | 2021-03-10 | 2021-06-01 | 焦秀智 | Experimental device capable of simulating reservoir pressure |
| CN113585141A (en) * | 2021-06-28 | 2021-11-02 | 苏州爱之爱清洁电器科技有限公司 | Screwing self-locking connecting device for detachable sewage pipeline of cleaning machine and implementation method |
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| CN112879256A (en) * | 2021-03-10 | 2021-06-01 | 焦秀智 | Experimental device capable of simulating reservoir pressure |
| CN113585141A (en) * | 2021-06-28 | 2021-11-02 | 苏州爱之爱清洁电器科技有限公司 | Screwing self-locking connecting device for detachable sewage pipeline of cleaning machine and implementation method |
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Application publication date: 20201030 |