CN101435418B - High-speed oil pump of manual tube cutting machine - Google Patents
High-speed oil pump of manual tube cutting machine Download PDFInfo
- Publication number
- CN101435418B CN101435418B CN2007101570163A CN200710157016A CN101435418B CN 101435418 B CN101435418 B CN 101435418B CN 2007101570163 A CN2007101570163 A CN 2007101570163A CN 200710157016 A CN200710157016 A CN 200710157016A CN 101435418 B CN101435418 B CN 101435418B
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- Prior art keywords
- oil
- runner
- way valve
- pump
- oil cylinder
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- 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.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 35
- 239000003921 oil Substances 0.000 claims description 95
- 239000002828 fuel tank Substances 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000346 nonvolatile oil Substances 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Abstract
The invention provides a quick oil pump of a manual pipe cutting machine. The oil pump comprises a pump seat. The pump set is fixed with an oil tank and a transfer cylinder, and the inside of the pump seat is provided with an oil hole. One end of the oil hole is communicated with the oil tank, and the other end of the oil hole is provided with an one-way valve A and an one-way valve B which are arranged in series, wherein the one-way valve A is communicated with the transfer cylinder. The transfer cylinder is provided with a piston inside, and the piston is connected with a handle; the one-way valve B is communicated with a runner in the pump seat, an outlet of the runner is provided with a connector, and the connector is connected with a cylinder via an oil pipe and a base seat of the cylinder, the cylinder is provided with a piston rod inside, the piston rod is provided with a spring outside, the spring is pressed against a nut fixed on the cylinder, an upper end of the piston rod is provided with a connecting piece, and the connecting piece is connected with a pipe cutting part. The quick oil pump is characterized in that: a quick oil hole is arranged between the oil hole in the pump seat and the outlet of the runner, one end of the quick oil hole is communicated with the oil tank, and the other end of the quick oil hole is communicated with the runner via a one-way valve C.
Description
Technical field
The present invention relates to the oil pump of pipe cutting machine, particularly relate to the speed oil pump of manual pipe cutting machine.
Background technique
Manually pipe cutting machine is a kind of through self rotating the facility of realizing the tubing cutting; It is mainly through the oil pump pressurization; Make roller and pipeline increase frictional force, during the roller rotation, the cutting knife on the roller relies on the pressure cutting to be clipped in the tubing (like steel pipe) between roller and the pipeline.But existing manual pipe cutting machine when unloaded when also not cutting (promptly compress tubing, but) pressurization because oil pump has only an oil inlet hole, pressurization slowly, working efficiency is low, and whenever shakes handle one time, can only increase a point pressure, labor intensity is bigger.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming that prior art exists, provide a kind of when unloaded pressurization fast, the speed oil pump of the manual pipe cutting machine that labor intensity is low.
The technological scheme of the speed oil pump of the manual pipe cutting machine of the present invention is: comprise pump seat; Fixed oil tank and transfer oil cylinder are shaped on oil inlet hole on the pump seat in the pump seat, and oil inlet hole one end communicates with fuel tank; The other end is equipped with one-way valve first and the one-way valve second that is in series; The one-way valve first is communicated with the transfer oil cylinder, in the transfer oil cylinder piston is housed, and piston connects handle; One-way valve second is communicated with the runner in the pump seat, and runner exit is equipped with joint, and joint connects oil cylinder through oil pipe, cylinder pedestal; Piston rod is housed in the oil cylinder, and piston rod is equipped with spring outward, and spring withstands the nut that is fixed on the oil cylinder; Link is equipped with in piston rod upper end, and link connects the Pipe Cutting parts, it is characterized in that being shaped on quick oilhole between oil inlet hole and the runner exit in the pump seat; Oilhole one end is communicated with fuel tank fast, and the other end is communicated with runner through one-way valve third.
The speed oil pump of the manual pipe cutting machine of the present invention through manually pressing down the Pipe Cutting parts, is carried on fast thereby drive in-oil cylinder piston rod, reaches the purpose of quick unloaded pressurization, compared with present technology, can increase work efficiency greatly, significantly reduces labor intensity.During unloaded the pressurization, manually press the Pipe Cutting parts, make link drive piston rod and rise; Immediately produce negative pressure in the oil cylinder this moment; Hydraulic oil in the fuel tank is owing to receiving atmospheric pressure to open the one-way valve the third at quick oilhole place, and hydraulic oil gets into runner fast, arrives oil cylinder through oil pipe, cylinder pedestal; Finally hold in-oil cylinder piston rod, piston rod is stopped in in-oil cylinder any position; When piston rod movement was motionless to the position of setting, one-way valve third automatically reset and closes, and the hydraulic oil that can avoid getting into oil cylinder flows backwards.Unloaded pressurization finishes, and the Pipe Cutting parts can carry out incising pipes, can move repeatedly up and down through the in-oil cylinder piston of transfer, and reach the pressure that oil pump sets.The concrete working procedure of oil pump is following during cutting: when upwards shaking handle, piston moves up thereupon, produces negative pressure in the transfer oil cylinder immediately, and the hydraulic oil in the fuel tank promotes the one-way valve first and gets into the transfer oil cylinder again after flowing into oil inlet hole under the atmospheric pressure effect; When piston stops to move up, the one-way valve first since self elastic force close automatically and reset; When handle moves down; Piston also moves down thereupon, and the in-oil cylinder hydraulic oil of transfer produces pressure immediately, opens one-way valve second; Hydraulic oil gets into runner from the transfer oil cylinder and arrives cylinder pedestal; Along with increasing of hydraulic pressure oil mass, get into in-oil cylinder hydraulic oil and lift piston rod and move up, spring is compression thereupon also; When handle was motionless, piston was also motionless thereupon, and one-way valve second automatically resets and closes, and avoided the in-oil cylinder hydraulic oil of transfer to overflow, and prevented that simultaneously the hydraulic oil in the runner from refluxing.The operating grip that goes round and begins again like this makes shipper pole motivation part work on the piston rod.
The speed oil pump of the manual pipe cutting machine of the present invention, its described quick oilhole are one or two perhaps three or four, decide according to required unloaded pressing speed and manufacturing difficulty of processing.Be shaped on the overload runner in its pump seat, overload runner one end communicates with one-way valve second, and the other end is installed safety valve, safety valve spring, adjusting screw and silently successively; The overload runner inner wall is shaped on return port, and return port connects fuel tank, can preset the pressure of safety valve through adjusting screw; When shaking handle when too fast, the Pipe Cutting component load is excessive, and in-oil cylinder pressure increases; When in-oil cylinder pressure during greater than the preset pressure of safety valve, safety valve is opened, and the oil of overload just flows back to fuel tank through return port.Its runner exit inwall is shaped on the release runner, in the release runner pressure-relief valve is housed, and pressure-relief valve connects the release handwheel, and the release runner inner wall is shaped on return port, and return port is communicated with fuel tank, and when the release handwheel that turns clockwise (during screw thread dextrorotation), pressure-relief valve cuts out; After oil cylinder was finished the work (being that tubing is cut), piston rod must reset, and opens pressure-relief valve as long as be rotated counterclockwise the release handwheel, and in-oil cylinder spring relies on the elastic force of self that piston rod is moved down, and makes in-oil cylinder hydraulic oil be back to fuel tank simultaneously.
Description of drawings
Fig. 1 is the plan view of the speed oil pump of the manual pipe cutting machine of the present invention;
Fig. 2 is the plan view of the speed oil pump of the manual pipe cutting machine of the present invention;
Fig. 3 is the structural representation that speed oil pump is connected with power unit.
Embodiment
The invention discloses a kind of speed oil pump of manual pipe cutting machine,, comprise pump seat 3 like Fig. 1-shown in Figure 3; Fixed oil tank 5 and transfer oil cylinder 18 are shaped on oil inlet hole 31 on the pump seat in the pump seat, and oil inlet hole one end communicates with fuel tank; The other end is equipped with the one-way valve first 26 and one-way valve second 27 that is in series; One-way valve first 26 is communicated with transfer oil cylinder 18 through runner 33, and piston 13 is housed in the transfer oil cylinder, and piston connects handle set 12 through bearing pin 11; Handle set 12 is fixed on the pump seat 3 through connecting plate 6, and handle set 12 connects handle 14; The runner 29 that one-way valve second 27 is communicated with in the pump seat, runner exit is equipped with joint 2, and joint connects oil cylinder 46 through oil pipe 8, cylinder pedestal 42; Piston rod 47 is housed in the oil cylinder; Outside the piston rod 47 spring 48 is housed, spring withstands the nut 49 that is fixed on the oil cylinder 46, and link 50 is equipped with in piston rod 47 upper ends; Link connects the Pipe Cutting parts; It is characterized in that being shaped on quick oilhole 32 between oil inlet hole 31 and runner 29 outlets in the pump seat 3, oilhole one end is communicated with fuel tank 5 fast, and the other end is through one-way valve the third 28 connection runners 29.During unloaded the pressurization, manually press the Pipe Cutting parts, make link 50 drive piston rods 47 and rise; Immediately produce negative pressure in the oil cylinder 46 this moment; Hydraulic oil in the fuel tank 5 is owing to receive atmospheric pressure to open the one-way valve the third 28 at quick oilhole 32 places, and hydraulic oil gets into runner 29 fast, through oil pipe 8, cylinder pedestal 42 arrival oil cylinders 46; Finally hold in-oil cylinder piston rod 47, piston rod is stopped in in-oil cylinder any position; When piston rod movement was motionless to the position of setting, one-way valve the third 28 automatically reset and closes, and the hydraulic oil that can avoid getting in the oil cylinder 46 flow backwards.Unloaded pressurization finishes, and the Pipe Cutting parts can carry out incising pipes, can move repeatedly up and down through the piston 13 in the transfer oil cylinder 18, and reach the pressure that oil pump sets.The concrete working procedure of oil pump is following during cutting: when upwards shaking handle 14; Piston 13 moves up thereupon; Produce negative pressure in the transfer oil cylinder 18 immediately, the hydraulic oil in the fuel tank 5 promotes one-way valve first 26 and gets into transfer oil cylinder 18 again after flowing into oil inlet hole 31 under the atmospheric pressure effect; When piston 13 stopped to move up, one-way valve first 26 was because the elastic force of self automatically resets closes; When handle 14 moves down; Piston 13 also moves down thereupon, and the hydraulic oil in the transfer oil cylinder 18 produces pressure immediately, opens one-way valve second 27; Hydraulic oil gets into runner 29 from transfer oil cylinder 18 and arrives cylinder pedestal 42; Along with increasing of hydraulic pressure oil mass, the hydraulic oil in the entering oil cylinder 46 are lifted piston rod 47 and are moved up, and spring 48 is compression thereupon also; When handle 14 was motionless, piston 13 was also motionless thereupon, and one-way valve second 27 automatically resets and closes, and avoided the hydraulic oil in the transfer oil cylinder 18 to overflow, and prevented that simultaneously the hydraulic oil in the runner 29 from refluxing.The operating grip that goes round and begins again like this makes shipper pole motivation part work on the piston rod 47.Its described quick oilhole 32 is one or two perhaps three or four, decides according to required unloaded pressing speed and manufacturing difficulty of processing.Be shaped on overload runner 19 in its pump seat, overload runner one end communicates with one-way valve second 27, and the other end is installed safety valve 22, safety valve spring 23, adjusting screw 24 and silently 1 successively; Overload runner 19 inwalls are shaped on return port, and return port connects fuel tank 5, can preset the pressure of safety valve 22 through adjusting screw 24; When shaking handle 14 when too fast; The Pipe Cutting component load is excessive, and the pressure in the oil cylinder 46 increase, when in-oil cylinder pressure during greater than the preset pressure of safety valve 22; Safety valve 22 is opened, and the oil of overload just flows back to fuel tank 5 through return port.Its runner 29 outlet inwalls are shaped on release runner 34, and pressure-relief valve 41 is housed in the release runner, and pressure-relief valve connects release handwheel 37; Release runner 34 inwalls are shaped on return port; Return port is communicated with fuel tank 5, and when the release handwheel 37 that turns clockwise (during screw thread dextrorotation), pressure-relief valve 41 cuts out; After oil cylinder is finished the work (being that tubing is cut); Piston rod 47 must reset; Open pressure-relief valve 41 as long as be rotated counterclockwise release handwheel 37, in-oil cylinder spring 48 relies on the elastic force of self that piston rod 47 is moved down, and makes the hydraulic oil in the oil cylinder 46 be back to fuel tank 5 simultaneously.
Claims (4)
1. the speed oil pump of manual pipe cutting machine comprises pump seat (3), fixed oil tank on the pump seat (5) and transfer oil cylinder (18); Be shaped on oil inlet hole (31) in the pump seat; Oil inlet hole one end communicates with fuel tank, and the other end is equipped with one-way valve first (26) and the one-way valve second (27) that is in series, and one-way valve first (26) is communicated with transfer oil cylinder (18); Piston (13) is housed in the transfer oil cylinder, and piston connects handle (14); One-way valve second (27) is communicated with the runner (29) in the pump seat, and runner exit is equipped with joint (2), and joint connects oil cylinder (46) through oil pipe (8), cylinder pedestal (42); Piston rod (47) is housed in the oil cylinder; Piston rod (47) is outer to be equipped with spring (48), and spring withstands the nut (49) that is fixed on the oil cylinder (46), and link (50) is equipped with in piston rod (47) upper end; Link connects the Pipe Cutting parts; It is characterized in that being shaped on quick oilhole (32) between oil inlet hole (31) and runner (29) outlet in the pump seat (3), oilhole one end is communicated with fuel tank (5) fast, and the other end is through one-way valve third (28) the connection runner (29).
2. the speed oil pump of manual pipe cutting machine as claimed in claim 1 is characterized in that described quick oilhole (32) is one or two perhaps three or four.
3. the speed oil pump of manual pipe cutting machine as claimed in claim 1; It is characterized in that being shaped in the pump seat overload runner (19); Overload runner one end communicates with one-way valve second (27); The other end is installed safety valve (22), safety valve spring (23), adjusting screw (24) and silently (1) successively, and the overload runner inner wall is shaped on return port, and return port connects fuel tank (5).
4. the speed oil pump of manual pipe cutting machine as claimed in claim 1; It is characterized in that runner (29) outlet inwall is shaped on release runner (34), pressure-relief valve (41) is housed in the release runner, pressure-relief valve connects release handwheel (37); Release runner (34) inwall is shaped on return port, and return port is communicated with fuel tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101570163A CN101435418B (en) | 2007-11-15 | 2007-11-15 | High-speed oil pump of manual tube cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101570163A CN101435418B (en) | 2007-11-15 | 2007-11-15 | High-speed oil pump of manual tube cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101435418A CN101435418A (en) | 2009-05-20 |
| CN101435418B true CN101435418B (en) | 2012-01-25 |
Family
ID=40710008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101570163A Expired - Fee Related CN101435418B (en) | 2007-11-15 | 2007-11-15 | High-speed oil pump of manual tube cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435418B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134541B (en) * | 2015-09-09 | 2018-10-02 | 安徽贝利机械制造有限公司 | A kind of rock-core borer hand oil pump |
| CN112324753B (en) * | 2020-10-29 | 2022-09-09 | 平湖东来液压工具有限公司 | Square pump with oil locking mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357798A (en) * | 1980-03-13 | 1982-11-09 | Michael Hung | Rapid actuating device of hydraulic actuator |
| US5261301A (en) * | 1992-09-24 | 1993-11-16 | Emerson Electric Co. | Pipe cutting machine |
| CN2770845Y (en) * | 2005-02-01 | 2006-04-12 | 成都锦江电器制造有限公司 | Pipe cutting machine |
| CN2835643Y (en) * | 2005-11-24 | 2006-11-08 | 北京康斯特仪表科技有限公司 | Hydraulic pump |
| CN201129281Y (en) * | 2007-11-15 | 2008-10-08 | 杨岩顺 | High-speed oil pump of manual tube cutting machine |
-
2007
- 2007-11-15 CN CN2007101570163A patent/CN101435418B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357798A (en) * | 1980-03-13 | 1982-11-09 | Michael Hung | Rapid actuating device of hydraulic actuator |
| US5261301A (en) * | 1992-09-24 | 1993-11-16 | Emerson Electric Co. | Pipe cutting machine |
| CN2770845Y (en) * | 2005-02-01 | 2006-04-12 | 成都锦江电器制造有限公司 | Pipe cutting machine |
| CN2835643Y (en) * | 2005-11-24 | 2006-11-08 | 北京康斯特仪表科技有限公司 | Hydraulic pump |
| CN201129281Y (en) * | 2007-11-15 | 2008-10-08 | 杨岩顺 | High-speed oil pump of manual tube cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101435418A (en) | 2009-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090520 Assignee: TAIZHOU COUNTY HUANGYAN TUWEI CONSTRUCTION EQUIPMENT MANUFACTURING Co.,Ltd. Assignor: Yang Yanshun Contract record no.: 2013330000243 Denomination of invention: High-speed oil pump of manual tube cutting machine Granted publication date: 20120125 License type: Exclusive License Record date: 20130717 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171130 Address after: 318020 north courtyard Avenue, North City Development Zone, Huangyan District, Taizhou, Zhejiang Province, No. 22 Patentee after: ZHEJIANG VICTAULIC-TUWEI PIPING EQUIPMENT CO.,LTD. Address before: No. 342, Huangyan District, Huangyan District, Taizhou, Zhejiang Patentee before: Yang Yanshun |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |