CN115387977A - Forward displacement integrated hand-operated electric pump - Google Patents
Forward displacement integrated hand-operated electric pump Download PDFInfo
- Publication number
- CN115387977A CN115387977A CN202211004263.0A CN202211004263A CN115387977A CN 115387977 A CN115387977 A CN 115387977A CN 202211004263 A CN202211004263 A CN 202211004263A CN 115387977 A CN115387977 A CN 115387977A
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- oil
- way
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- valve
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- 238000006073 displacement reaction Methods 0.000 title abstract description 4
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims description 428
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 230000001174 ascending effect Effects 0.000 claims description 9
- 239000010734 process oil Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 description 26
- 239000010727 cylinder oil Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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Classifications
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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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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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
- F04B53/10—Valves; Arrangement of 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
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
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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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
The utility model provides a preceding replacement is to integral type hand charge pump, belongs to automobile parts technical field. The invention aims to provide a front displacement integrated hand-electric pump capable of solving the oil leakage phenomenon through the design of an oil supply route. The oil injection device comprises a motor, a mechanical eccentric oil injection mechanism of the motor and an oil tank, wherein the mechanical eccentric oil injection mechanism and the oil tank are both communicated with an oil way system; an oil suction groove of the mechanical eccentric oil injection mechanism is communicated with an electric oil suction pipe through a cylinder body oil suction pipeline, the electric oil suction pipe is communicated with an electric oil suction oil way through a pipeline, the electric oil suction oil way is communicated with a manual oil suction oil way, the manual oil suction oil way is communicated with an oil tank through the electric oil suction pipeline, the manual oil suction oil way is communicated with a pressurizing oil way, the inner diameter of the manual oil suction oil way is smaller than that of the pressurizing oil way, and the pressurizing oil way is respectively communicated with three oil ways. The invention has simple structure, reduced volume, reduced installation space, no sealing failure, oil leakage and the like, and can basically reach more than 10000 times or even more in the use process through practice, thereby saving a large amount of cost.
Description
Technical Field
The invention belongs to the technical field of automobile parts.
Background
The existing manual pump occupies a large amount of space due to unreasonable structure, and has the defects of oil leakage, lifting incapability and the like when being used for about 5000 times, and the sealing effect is failed due to structural influence when the temperature is higher (40 ℃ above zero) or lower (80 ℃ below zero), so that the use performance of the whole automobile is seriously affected by the defects.
Disclosure of Invention
The invention aims to provide a front displacement integrated hand-electric pump capable of solving the oil leakage phenomenon through the design of an oil supply route.
The invention comprises a motor, a mechanical eccentric oil injection mechanism of the motor and an oil tank, wherein the mechanical eccentric oil injection mechanism and the oil tank are both communicated with an oil circuit system; an oil suction groove of the mechanical eccentric oiling mechanism is communicated with an electric oil suction pipe through a cylinder body oil suction pipeline, the electric oil suction pipe is communicated with an electric oil suction oil way through a pipeline, an electric oil suction oil way is communicated with a manual oil suction oil way, the manual oil suction oil way is communicated with an oil tank through the electric oil suction pipeline, the manual oil suction oil way is communicated with a pressurizing oil way, the inner diameter of the manual oil suction oil way is smaller than that of the pressurizing oil way, a pressurizing steel ball is arranged in the pressurizing oil way, the pressurizing oil way is respectively communicated with three oil ways, and the three oil ways are respectively an electric pressurizing oil inlet oil way, a pressurizing reversing oil way and a pressurizing cylinder barrel;
the first path is as follows: the electric pressurizing oil inlet oil way is communicated with an electric pressurizing process oil way, the electric pressurizing process oil way is communicated with an electric pressurizing pipeline, and the electric pressurizing pipeline is communicated with an oil suction groove of the mechanical eccentric oil injection mechanism through a cylinder body pressurizing oil way;
and a second path: the pressurizing reversing oil way is communicated with the one-way valve oil way, the inner diameter of the pressurizing reversing oil way is smaller than that of the one-way valve oil way, a one-way valve steel ball and a one-way valve spring are arranged in the one-way valve oil way, one end of the one-way valve spring is propped against the one-way valve steel ball, and the other end of the one-way valve spring is propped against an oil seal at the bottom end of the one-way valve oil way; the oil path of the one-way valve is communicated with the oil-liquid exchange oil path of the reversing valve inside the reversing valve through a reversing oil inlet oil path, a descending valve core plug oil path inside a descending valve core plug and a descending valve oil path inside the reversing valve;
and a third path: a piston rod is arranged in the pressing cylinder barrel, the piston rod divides the pressing cylinder barrel into an upper cavity and a lower cavity, a manual overflow valve oil way is arranged in the piston rod, the manual overflow valve oil way is communicated with the lower cavity of the pressing cylinder barrel through a piston rod overflow oil inlet oil way, the inner diameter of the piston rod overflow oil inlet oil way is smaller than that of the manual overflow valve oil way, a manual overflow valve steel ball is arranged in the manual overflow valve oil way, one end of a manual overflow valve tip cone is abutted against the manual overflow valve steel ball, the other end of the manual overflow valve tip cone is inserted into the bottom end of a manual overflow valve spring, the top end of the manual overflow valve spring is abutted against a manual overflow valve screw plug, a through hole is formed in the manual overflow valve screw plug, and the manual overflow valve oil way is communicated with the upper cavity of the pressing cylinder barrel through the through hole in the manual overflow valve screw plug;
a piston rod limiting groove is formed in the side wall of the piston rod, and the end part of the cam is inserted into the piston rod limiting groove;
a pressing limiting groove is formed in the wall, connected with the oil tank, of the oil way system, the pressing limiting groove is arc-shaped, the middle of the cam is arranged in the pressing limiting groove, and the other end of the cam is connected with the manual rotating arm through a connecting arm;
the upper end of the pressurizing cylinder barrel is provided with a safety valve through a safety valve mounting hole, and a safety valve exhaust hole in the safety valve is communicated with the upper cavity of the pressurizing cylinder barrel;
the ascending pipe joint is communicated with the reversing valve oil-liquid exchange oil way through a lifting oil way, a reversing lifting oil way, a lifting valve core plug oil way inside the lifting valve core plug and a reversing valve lifting oil way;
the descending pipe joint is communicated with an oil return gap through a descending oil way and a reversing descending oil way, and the oil return gap is a closed gap between the reversing valve and the inner wall of the oil way system;
the oil return gap is communicated with the oil tank through an upper oil return oil way, a lower oil return oil way and an oil return hole;
the electric pressurizing pipeline is communicated with an electric oil spilling mechanism through an electric oil spilling oil way, and the electric oil spilling mechanism comprises: the electric overflow oil way is communicated with the electric overflow oil way, the inner diameter of the electric overflow oil way is smaller than that of the electric overflow oil way, an electric overflow valve steel ball is arranged in the electric overflow oil way, the upper end of a top cone of the electric overflow valve is propped against the electric overflow valve steel ball, the lower end of the top cone of the electric overflow valve is inserted into the upper end of a spring of the electric overflow valve, and the lower end of the spring of the electric overflow valve is propped against an oil seal at the bottom end of the electric overflow oil way; the electric overflow oil way is communicated with an oil suction groove of the mechanical eccentric oil injection mechanism through an oil return pipe of the electric overflow valve.
The invention has simple structure, reduced volume, reduced installation space, no sealing failure, oil leakage and the like, and can basically reach more than 10000 times or even more in the use process through practice, thereby saving a large amount of cost.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a left side view of FIG. 2 of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3 of the present invention;
FIG. 5 is an enlarged schematic view of portion C of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the connection or communication portion of the diverter valve of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged schematic view of portion D of FIG. 4 in accordance with the present invention;
FIG. 8 is a cross-sectional view B-B of FIG. 2 of the present invention;
FIG. 9 is an enlarged schematic view of section E of FIG. 8 in accordance with the present invention;
fig. 10 is a top view of the motor and mechanical eccentric oiling mechanism removed.
Detailed Description
The invention comprises a motor 2, a mechanical eccentric oil injection mechanism of the motor 2 and an oil tank 8, wherein the mechanical eccentric oil injection mechanism and the oil tank 8 are both communicated with an oil way system 1; the motor 2 and the mechanical eccentric oil injection mechanism of the motor 2 are part of the previous patent application of the applicant unit (so only a schematic diagram of the oil suction oil groove 59 of the mechanical eccentric oil injection mechanism is given in fig. 10), and since the invention is designed to be used by combining manual operation and electric operation, the oil path of the electric part is only improved in order to match the oil path butt joint of the manual part of the invention and the like.
The motor 2 and the mechanical eccentric oiling mechanism of the motor 2 are characterized in that an oil suction groove 59 of the mechanical eccentric oiling mechanism is communicated with an electric oil suction pipe 13 through a cylinder oil suction pipeline 50, the electric oil suction pipe 13 is communicated with an electric oil suction oil way 12 through a pipeline, the electric oil suction oil way 12 is communicated with a manual oil suction oil way 14, the manual oil suction oil way 14 is communicated with an oil tank 8 through an electric oil suction pipeline 27, the manual oil suction oil way 14 is communicated with a pressurizing oil way 16, the inner diameter of the manual oil suction oil way 14 is smaller than the inner diameter of the pressurizing oil way 16, a pressurizing steel ball 15 is arranged in the pressurizing oil way 16, the pressurizing oil way 16 is respectively communicated with three oil ways, and the three oil ways are respectively an electric pressurizing oil inlet oil way 10, a pressurizing reversing oil way 18 and a pressurizing cylinder barrel 45.
The first path is as follows: the electric pressurizing oil inlet oil path 10 is communicated with the electric pressurizing process oil path 9, the electric pressurizing process oil path 9 is communicated with the electric pressurizing pipeline 11, and the electric pressurizing pipeline 11 is communicated with an oil suction groove 59 of the mechanical eccentric oil injection mechanism through the cylinder pressurizing oil path 52.
And a second path: the pressurizing reversing oil way 18 is communicated with the one-way valve oil way 22, the inner diameter of the pressurizing reversing oil way 18 is smaller than that of the one-way valve oil way 22, a one-way valve steel ball 19 and a one-way valve spring 20 are arranged in the one-way valve oil way 22, one end of the one-way valve spring 20 is propped against the one-way valve steel ball 19, and the other end of the one-way valve spring 20 is propped against an oil seal at the bottom end of the one-way valve oil way 22; the check valve oil passage 22 is communicated with the change valve oil exchange oil passage 29 in the change valve 5 through the change oil inlet passage 21, the drop valve plug oil passage 35 in the drop valve plug 34, and the change valve drop oil passage 36.
And a third path: a piston rod 49 is arranged in the pressurizing cylinder barrel 45, the piston rod 49 divides the pressurizing cylinder barrel 45 into an upper cavity and a lower cavity, a manual overflow valve oil path 47 is arranged in the piston rod 49, the manual overflow valve oil path 47 is communicated with the lower cavity of the pressurizing cylinder barrel 45 through a piston rod overflow oil inlet path 46, the inner diameter of the piston rod overflow oil inlet path 46 is smaller than that of the manual overflow valve oil path 47, a manual overflow valve steel ball 44 is arranged in the manual overflow valve oil path 47, one end of a manual overflow valve tip cone 48 abuts against the manual overflow valve steel ball 44, the other end of the manual overflow valve tip cone is inserted into the bottom end of a manual overflow valve spring 43, the top end of the manual overflow valve spring 43 abuts against a manual overflow valve screw plug 42, a through hole is formed in the manual overflow valve screw plug 42, and the manual overflow valve oil path 47 is communicated with the upper cavity of the pressurizing cylinder barrel 45 through the through hole in the manual overflow valve screw plug 42.
A piston rod limiting groove 41 is formed in the side wall of the piston rod 49, and the end of the cam 37 is inserted into the piston rod limiting groove 41.
The wall of the oil circuit system 1 connected with the oil tank 8 is provided with a pressing limiting groove 40, the pressing limiting groove 40 is arc-shaped, the middle part of the cam 37 is arranged in the pressing limiting groove 40, and the other end of the cam 37 is connected with the manual rotating arm 4 through a connecting arm.
The manual rotating arm 4 and the cam 37 are connected through a connecting arm, the cam 37 performs reciprocating rotation around the manual rotating arm 4 as a center, but because the cam 37 is arranged in the pressing limiting groove 40, the reciprocating swing (rotation) of the cam 37 only performs reciprocating swing within an arc set by the pressing limiting groove 40, and in the process of swinging, the piston rod 49 is driven to move up and down in the pressing cylinder 45.
The safety valve 3 is mounted on the upper end of the pressurizing cylinder 45 through a safety valve mounting hole 39, and a safety valve exhaust hole 38 inside the safety valve 3 is communicated with the upper cavity of the pressurizing cylinder 45.
The ascending pipe joint 7 is connected to the directional valve oil-liquid exchange oil passage 29 through a lift oil passage 28, a directional lift oil passage 17, a lift spool plug oil passage 32 in the lift spool plug 33, and a directional valve lift oil passage 31.
The down pipe joint 6 is communicated with an oil return gap 58 through the down oil path 23 and the reversing down oil path 24, and the oil return gap 58 is a sealed gap between the reversing valve 5 and the inner wall of the oil path system 1.
The oil return gap 58 is communicated with the oil tank 8 through the upper oil return passage 30, the lower oil return passage 26, and the oil return hole 25.
The electric pressurizing pipeline 11 is communicated with an electric oil spilling mechanism through an electric oil spilling oil way 51, and the electric oil spilling mechanism comprises: the electric overflow oil way 51 is communicated with the electric overflow oil way 55, the inner diameter of the electric overflow oil way 51 is smaller than that of the electric overflow oil way 55, an electric overflow valve steel ball 53 is arranged in the electric overflow oil way 55, the upper end of an electric overflow valve tip cone 56 is propped against the electric overflow valve steel ball 53, the lower end of the electric overflow valve tip cone 56 is inserted into the upper end of an electric overflow valve spring 54, and the lower end of the electric overflow valve spring 54 is propped against an oil seal at the bottom end of the electric overflow oil way 55; the electric overflow oil path 55 is communicated with an oil suction groove 59 of the mechanical eccentric oiling mechanism through an electric overflow valve oil return pipe 57.
The working principle and process of the present invention are explained in detail as follows:
electric lifting process:
the reversing valve 5 is rotated to change the reversing valve 5 into a rising state, the motor 2 works after being communicated to drive the inner cylinder body to rotate, the inner small piston rod can form negative pressure, hydraulic oil is sucked into the electric oil suction pipe 13 from an electric oil suction pipeline 27 of the oil circuit system 1 along an electric oil suction oil circuit 12, enters the pump body through a cylinder body oil suction pipeline 50, is pressed into an electric pressurizing oil circuit 11 from a cylinder body pressurizing oil circuit 52, enters the electric pressurizing oil inlet circuit 10 along an electric pressurizing process hole 9, the hydraulic oil pushes a one-way valve steel ball 19 due to the one-way valve action of a pressurizing steel ball 15, so that a one-way valve spring 20 is compressed, the hydraulic oil enters a one-way valve oil circuit 22, enters a descending valve core plug oil circuit 35 along a reversing oil inlet circuit 21, enters a reversing valve exchange oil circuit 29 through a reversing valve descending oil circuit 36, the hydraulic oil in the reversing valve exchange oil circuit 29 enters a lifting valve core plug oil circuit 32 through a reversing valve lifting oil circuit 31, enters an ascending oil circuit 28 along a reversing lifting oil circuit 17, enters a ascending oil circuit 7 and enters a hydraulic cylinder lower cavity, an upper hydraulic cylinder cavity enters a lower oil circuit 23 through a descending oil return circuit 6, enters a reversing oil circuit 24, enters a reversing oil circuit 25, and a lower oil return circuit 8. When the pressure exceeds the set pressure, the hydraulic oil in the electric pressurizing pipeline 11 enters the electric overflow oil path 51 to push the electric overflow valve steel ball 23 away, the electric overflow valve spring 54 compresses, and the hydraulic oil enters the electric overflow oil path 55 and returns to the oil suction groove 59 of the mechanical eccentric oil injection mechanism along the electric overflow valve oil return pipe 57. During the lifting and descending processes, pressure changes can be generated in the oil tank 8, the internal pressure is pushed to enter the safety valve mounting hole 39 through the pressurizing limiting groove 40, and the safety valve exhaust hole 38 of the safety valve 3 is communicated with the external atmosphere, so that the internal pressure and the external pressure are equal.
Electric descending process:
the reversing valve 5 is rotated to change the reversing valve 5 into a descending state, the motor 2 works after being communicated to drive the inner cylinder body to rotate, the inner small piston rod can form negative pressure, hydraulic oil is sucked into the electric oil suction pipe 13 from an electric oil suction pipeline 27 of the oil circuit system 1 along an electric oil suction oil circuit 12, enters the pump body through a cylinder body oil suction pipeline 50, is pressed into an electric pressurizing oil circuit 11 from a cylinder body pressurizing oil circuit 52, enters the electric pressurizing oil inlet circuit 10 along an electric pressurizing process hole 9, the hydraulic oil pushes a one-way valve steel ball 19 due to the one-way valve action of the pressurizing steel ball 15, so that a one-way valve spring 20 is compressed, the hydraulic oil enters a one-way valve oil circuit 22, enters a lifting valve core plug oil circuit 32 along a reversing oil inlet circuit 21, enters a reversing valve lifting oil circuit 29 through a reversing valve lifting oil circuit 31, the hydraulic oil in the reversing valve oil circuit 29 enters a descending valve core plug oil circuit 35 through a reversing valve descending oil circuit 36, enters a descending oil circuit 24, enters a descending oil pipe joint 6 along a descending oil circuit 23 along a reversing descending oil circuit 24, enters an upper hydraulic cylinder cavity, the hydraulic cylinder lower cavity enters an ascending oil circuit 28 through an ascending pipe joint 7, enters a reversing valve clearance, enters an upper oil circuit 17, and a reversing oil circuit 26, and a reversing oil return hole 25, and a lifting oil return hole is realized. When the pressure exceeds the set pressure, the hydraulic oil in the electric pressurizing pipeline 11 enters the electric oil spilling oil path 51 to push the electric spill valve steel ball 23 away, the electric spill valve spring 54 compresses, and the hydraulic oil enters the electric spill oil path 55 and returns to the oil suction groove 59 of the mechanical eccentric oil injection mechanism along the electric spill valve oil return pipe 57. During the lifting and descending processes, pressure changes can be generated in the oil tank 8, the internal pressure is pushed to enter the safety valve mounting hole 39 through the pressurizing limiting groove 40, and the safety valve exhaust hole 38 of the safety valve 3 is communicated with the external atmosphere, so that the internal pressure and the external pressure are equal.
Manual lifting process:
the reversing valve 5 is rotated to change the reversing valve 5 into a rising state, the manual rotating arm 4 is manually rotated to drive the internal cam 37 to rotate, the bosses 37 are fixedly connected together through the piston rod limiting groove 41 to drive the piston rod 49 to reciprocate up and down in the oil circuit system 1, when the piston rod 49 moves upwards, negative pressure is formed inside the pressurizing cylinder barrel 45, the pressurizing steel ball 15 is pumped out, hydraulic oil enters the pressurizing oil circuit 16 and the pressurizing cylinder barrel 45 from the electric oil suction pipeline 27 along the manual oil suction oil circuit 14, the piston rod 49 moves downwards, the pressurizing steel ball 15 seals the manual oil suction oil circuit 14, the hydraulic oil pushes the one-way valve steel ball 19 along the pressurizing reversing oil circuit 18 in the pressurizing oil circuit 16 to cause the compression of the one-way valve spring 20, the hydraulic oil enters the one-way valve oil circuit 22, enters the descending oil circuit plug 35 along the reversing oil circuit 21, enters the reversing valve descending oil circuit 29 through the reversing valve descending oil circuit 36, the hydraulic oil circuit 29 enters the reversing valve oil circuit 32 through the reversing valve lifting oil circuit 31, enters the ascending oil circuit 17, enters the ascending oil circuit connector 7, enters the descending oil circuit 23, the hydraulic cylinder 23, the descending oil circuit 23 enters the hydraulic cylinder 23, and the reversing oil circuit 23, the descending oil circuit 23 enters the hydraulic cylinder 23, and the oil circuit 24. When the pressure exceeds the set pressure, the hydraulic oil in the pressurizing cylinder 45 can push the steel ball 44 of the manual overflow valve away along the piston rod overflow oil inlet oil path 46, the manual overflow valve tip cone 48 and the manual overflow valve spring 43 are pushed to move upwards, the hydraulic oil enters the manual overflow valve oil path 47, and returns to the oil tank 8 through the pressurizing limiting groove 40 along the gap in the middle of the screw plug of the manual overflow valve. During the lifting and descending processes, pressure changes can be generated in the oil tank 8, the internal pressure is pushed to enter the safety valve mounting hole 39 through the pressurizing limiting groove 40, and the safety valve exhaust hole 38 of the safety valve 3 is communicated with the external atmosphere, so that the internal pressure and the external pressure are equal.
Manual descending process:
the reversing valve 5 is rotated to change the reversing valve 5 into a descending state, the manual rotating arm 4 is manually rotated to drive the internal cam 37 to rotate, the bosses 37 are fixedly connected together through the piston rod limiting groove 41 to drive the piston rod 49 to reciprocate up and down in the oil circuit system 1, when the piston rod 49 moves upwards, negative pressure is formed inside the pressurizing cylinder barrel 45, the pressurizing steel ball 15 is pumped out, hydraulic oil enters the pressurizing oil circuit 16 and the pressurizing cylinder barrel 45 from the electric oil suction pipeline 27 along the manual oil suction oil circuit 14, the piston rod 49 moves downwards, the pressurizing steel ball 15 seals the manual oil suction oil circuit 14, the hydraulic oil pushes the one-way valve steel ball 19 along the pressurizing reversing oil circuit 18 in the pressurizing oil circuit 16 to cause the compression of the one-way valve spring 20, the hydraulic oil enters the one-way valve oil circuit 22, enters the lifting valve core plug 32 along the reversing oil circuit 21, enters the reversing valve oil circuit 29 through the reversing valve lifting oil circuit 31, the hydraulic oil circuit 29 enters the reversing valve oil circuit 35 through the reversing valve descending oil circuit 24, enters the hydraulic cylinder descending oil circuit connector 6 along the reversing oil circuit 24, enters the hydraulic cylinder descending oil circuit connector 7, the lifting oil circuit 17, the hydraulic cylinder enters the hydraulic cylinder lifting oil circuit 17, the hydraulic oil circuit 17, and the hydraulic oil circuit enters the hydraulic cylinder oil circuit 17, and the hydraulic cylinder oil circuit 17. When the pressure exceeds the set pressure, the hydraulic oil in the pressurizing cylinder 45 can push the steel ball 44 of the manual overflow valve away along the piston rod overflow oil inlet oil path 46, the manual overflow valve tip cone 48 and the manual overflow valve spring 43 are pushed to move upwards, the hydraulic oil enters the manual overflow valve oil path 47, and returns to the oil tank 8 through the pressurizing limiting groove 40 along the gap in the middle of the screw plug of the manual overflow valve. During the lifting and descending processes, pressure changes can be generated in the oil tank 8, the internal pressure is pushed to enter the safety valve mounting hole 39 through the pressurizing limiting groove 40, and the safety valve exhaust hole 38 of the safety valve 3 is communicated with the external atmosphere, so that the internal pressure and the external pressure are equal.
The names of the various components of the invention are as follows:
1-oil way system; 2, a motor; 3-a safety valve; 4-manual tumbler; 5-a reversing valve; 6-a downcomer joint; 7-rising pipe joint; 8-an oil tank; 9-electric pressing process oil way; 10-electrically pressurizing the oil inlet path; 11-electrically pressurizing the pipeline; 12-an electric oil suction path; 13-an electric oil suction pipe; 14-manual oil suction path; 15-pressing the steel ball; 16-pressing an oil way; 17-reversing lifting oil way; 18-pressing a reversing oil way; 19-a check valve steel ball; 20-a one-way valve spring; 21-reversing oil inlet paths; 22-one-way valve oil way; 23-descending oil path; 24-reversing descending oil way; 25-oil return hole; 26-lower oil return path; 27-an electric suction line; 28-lifting oil way; 29-oil liquid exchange oil way of the reversing valve; 30-upper oil return path; 31-a reversing valve lifts an oil way; 32-lifting the valve core plug oil way; 33-lifting the valve core plug; 34-lowering the plug; 35-descending the spool plug oil path; 36-a reversing valve descending oil way; 37-a cam; 38-safety valve vent hole; 39-safety valve mounting hole; 40-pressing a limiting groove; 41-piston rod limit groove; 42-a screw plug of a manual overflow valve; 43-manual overflow valve spring; 44-a manual overflow valve steel ball; 45-pressing the cylinder barrel; 46-a piston rod overflows into an oil path; 47-manual overflow valve oil path; 48-a tip cone of a manual overflow valve; 49-a piston rod; 50-cylinder oil suction pipeline; 51-electric oil spilling path; 52-cylinder body pressurizing oil way; 53-electric overflow valve steel ball; 54-electric relief valve spring; 55-electric overflow oil circuit; 56-electric overflow valve tip cone; 57-an oil return pipe of the electric overflow valve; 58-oil return gap, and 59-oil suction groove of mechanical eccentric oil injection mechanism.
Claims (1)
1. The utility model provides a preceding replacement is to integral type hand electric pump, includes mechanical eccentric oiling mechanism, oil tank (8) of motor (2) and motor (2), its characterized in that: the mechanical eccentric oiling mechanism and the oil tank (8) are both communicated with the oil way system (1); an oil suction groove (59) of the mechanical eccentric oiling mechanism is communicated with an electric oil suction pipe (13) through a cylinder body oil suction pipeline (50), the electric oil suction pipe (13) is communicated with an electric oil suction oil way (12) through a pipeline, the electric oil suction oil way (12) is communicated with a manual oil suction oil way (14), the manual oil suction oil way (14) is communicated with an oil tank (8) through an electric oil suction pipeline (27), the manual oil suction oil way (14) is communicated with a pressurizing oil way (16), the inner diameter of the manual oil suction oil way (14) is smaller than the inner diameter of the pressurizing oil way (16), a pressurizing steel ball (15) is arranged in the pressurizing oil way (16), the pressurizing oil way (16) is respectively communicated with three oil ways, and the three oil ways are respectively an electric pressurizing oil inlet oil way (10), a pressurizing reversing oil way (18) and a pressurizing cylinder barrel (45);
the first path is as follows: the electric pressurizing oil inlet path (10) is communicated with an electric pressurizing process oil path (9), the electric pressurizing process oil path (9) is communicated with an electric pressurizing pipeline (11), and the electric pressurizing pipeline (11) is communicated with an oil suction groove (59) of the mechanical eccentric oil injection mechanism through a cylinder body pressurizing oil path (52);
and a second path: the pressurizing reversing oil way (18) is communicated with the one-way valve oil way (22), the inner diameter of the pressurizing reversing oil way (18) is smaller than that of the one-way valve oil way (22), a one-way valve steel ball (19) and a one-way valve spring (20) are arranged in the one-way valve oil way (22), one end of the one-way valve spring (20) is propped against the one-way valve steel ball (19), and the other end of the one-way valve spring (20) is propped against an oil seal at the bottom end of the one-way valve oil way (22); the one-way valve oil path (22) is communicated with a reversing valve oil exchange oil path (29) in the reversing valve (5) through a reversing oil inlet path (21), a descending valve core plug oil path (35) in a descending valve core plug (34) and a reversing valve descending oil path (36);
and a third path: a piston rod (49) is arranged in the pressurizing cylinder barrel (45), the piston rod (49) divides the pressurizing cylinder barrel (45) into an upper cavity and a lower cavity, a manual overflow valve oil way (47) is arranged in the piston rod (49), the manual overflow valve oil way (47) is communicated with the lower cavity of the pressurizing cylinder barrel (45) through the piston rod overflow oil inlet oil way (46), the inner diameter of the piston rod overflow oil inlet oil way (46) is smaller than that of the manual overflow valve oil way (47), a manual overflow valve steel ball (44) is arranged in the manual overflow valve oil way (47), one end of a manual overflow valve tip cone (48) is abutted against the manual overflow valve steel ball (44), the other end of the manual overflow valve tip cone (48) is inserted into the bottom end of the manual overflow valve spring (43), the top end of the manual overflow valve spring (43) is abutted against a manual overflow valve screw plug (42), a through hole is arranged in the manual overflow valve screw plug (42), and the manual overflow valve (47) is communicated with the upper cavity of the pressurizing cylinder barrel (45) through the through hole in the manual overflow valve screw plug (42);
a piston rod limiting groove (41) is formed in the side wall of the piston rod (49), and the end of the cam (37) is inserted into the piston rod limiting groove (41);
the wall of the oil way system (1) connected with the oil tank (8) is provided with a pressing limiting groove (40), the pressing limiting groove (40) is arc-shaped, the middle part of the cam (37) is arranged in the pressing limiting groove (40), and the other end of the cam (37) is connected with the manual rotating arm (4) through a connecting arm;
the upper end of the pressurizing cylinder barrel (45) is provided with a safety valve (3) through a safety valve mounting hole (39), and a safety valve exhaust hole (38) in the safety valve (3) is communicated with the upper cavity of the pressurizing cylinder barrel (45);
the ascending pipe joint (7) is communicated with the reversing valve oil-liquid exchange oil way (29) through a lifting oil way (28), a reversing lifting oil way (17), a lifting valve core plug oil way (32) in a lifting valve core plug (33) and a reversing valve lifting oil way (31);
the descending pipe joint (6) is communicated with an oil return gap (58) through a descending oil way (23) and a reversing descending oil way (24), and the oil return gap (58) is a closed gap between the reversing valve (5) and the inner wall of the oil way system (1);
the oil return clearance (58) is communicated with the oil tank (8) through an upper oil return oil way (30), a lower oil return oil way (26) and an oil return hole (25);
the electric pressurizing pipeline (11) is communicated with an electric oil spilling mechanism through an electric oil spilling oil way (51), and the electric oil spilling mechanism comprises: the electric overflow oil way (51) is communicated with the electric overflow oil way (55), the inner diameter of the electric overflow oil way (51) is smaller than that of the electric overflow oil way (55), an electric overflow valve steel ball (53) is arranged in the electric overflow oil way (55), the upper end of an electric overflow valve tip cone (56) is propped against the electric overflow valve steel ball (53), the lower end of the electric overflow valve tip cone is inserted into the inner part of the upper end of an electric overflow valve spring (54), and the lower end of the electric overflow valve spring (54) is propped against an oil seal at the bottom end of the electric overflow oil way (55); the electric overflow oil way (55) is communicated with an oil suction oil groove (59) of the mechanical eccentric oiling mechanism through an electric overflow valve oil return pipe (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004263.0A CN115387977A (en) | 2022-08-22 | 2022-08-22 | Forward displacement integrated hand-operated electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004263.0A CN115387977A (en) | 2022-08-22 | 2022-08-22 | Forward displacement integrated hand-operated electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115387977A true CN115387977A (en) | 2022-11-25 |
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ID=84120629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211004263.0A Pending CN115387977A (en) | 2022-08-22 | 2022-08-22 | Forward displacement integrated hand-operated electric pump |
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| Country | Link |
|---|---|
| CN (1) | CN115387977A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002173297A (en) * | 2000-12-07 | 2002-06-21 | Hamada Kogyo Kk | Hydraulic elevator |
| CN208669735U (en) * | 2018-06-27 | 2019-03-29 | 浙江科力车辆控制系统有限公司 | Combination oil pump for driver's cabin lifting |
| CN113357118A (en) * | 2021-07-06 | 2021-09-07 | 长春一东汽车零部件制造有限责任公司 | Integrated electric pump |
| CN113417822A (en) * | 2021-07-21 | 2021-09-21 | 长春一东汽车零部件制造有限责任公司 | Manual and electric integrated pump |
| CN215292781U (en) * | 2021-06-21 | 2021-12-24 | 长春一东汽车零部件制造有限责任公司 | Compact split structure flashlight pump |
| CN217898091U (en) * | 2022-06-15 | 2022-11-25 | 长春一东汽车零部件制造有限责任公司 | Forward displacement hand pump |
-
2022
- 2022-08-22 CN CN202211004263.0A patent/CN115387977A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002173297A (en) * | 2000-12-07 | 2002-06-21 | Hamada Kogyo Kk | Hydraulic elevator |
| CN208669735U (en) * | 2018-06-27 | 2019-03-29 | 浙江科力车辆控制系统有限公司 | Combination oil pump for driver's cabin lifting |
| CN215292781U (en) * | 2021-06-21 | 2021-12-24 | 长春一东汽车零部件制造有限责任公司 | Compact split structure flashlight pump |
| CN113357118A (en) * | 2021-07-06 | 2021-09-07 | 长春一东汽车零部件制造有限责任公司 | Integrated electric pump |
| CN113417822A (en) * | 2021-07-21 | 2021-09-21 | 长春一东汽车零部件制造有限责任公司 | Manual and electric integrated pump |
| CN217898091U (en) * | 2022-06-15 | 2022-11-25 | 长春一东汽车零部件制造有限责任公司 | Forward displacement hand pump |
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