CN203076473U - Manual hydraulic reamer - Google Patents
Manual hydraulic reamer Download PDFInfo
- Publication number
- CN203076473U CN203076473U CN 201320124273 CN201320124273U CN203076473U CN 203076473 U CN203076473 U CN 203076473U CN 201320124273 CN201320124273 CN 201320124273 CN 201320124273 U CN201320124273 U CN 201320124273U CN 203076473 U CN203076473 U CN 203076473U
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- pump housing
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Abstract
The utility model discloses a manual hydraulic reamer. The manual hydraulic reamer comprises a hand pump, a hand crank (1), an oil storage barrel (4), and a handle (2) fixed on the oil storage barrel (4), wherein the oil storage barrel (4) is fixed at the oil inlet side of the hand pump; a piston cylinder (26) is arranged at the oil outlet side of the hand pump; a piston (14) is arranged in the piston cylinder (26); an oil return compression spring (16) is sleeved on the piston (14); a portal frame (21) is fixed at the outer end of the piston cylinder (26); a tube fixed die (20) is arranged on the portal frame (21); a locking screw rod (19) for fixing the tube fixed die (20) is arranged on the portal frame (21); a reaming die head (18) is fixed on the end surface of the piston (14); and the reaming die head (18) and the tube hole of the tube fixed die (20) are located on the same axis. After the structure is adopted, the manual hydraulic reamer has the advantages of being simple and reasonable in structure, light and convenient to operate and use, large in extrusion force, strong in bellmouthed orifice reaming capacity, smooth and standard in the bellmouthed orifice, and the like; and tubes having the diameters of 22 mm and greater than 22 mm can be reamed.
Description
Technical field
The utility model relates to a kind of pipe reaming tool of refrigeration industry, and particularly a kind of is the hand-hydraulic reamer of power with hydraulic pressure.
Background technology
The reamer that uses can be divided into manual reamer and electronic reamer now, manual and electronic reamer is mainly used in refrigeration industry, freezer is installed in refrigerant line, the reaming of condensing gas pipeline, repairing as refrigerator, domestic air conditioning, refrigerator-freezer, air conditioning for automobiles, central air-conditioning etc., generally be fit to expand the following pipe of 19mm diameter, be not suitable for expanding the pipe of 22mm and above diameter.Along with development of times, the continuous appearance of large-scale refrigeration plant, diameter requirement to refrigerant line is increasing, uses the copper of the above big pipe of 19mm or aluminum tubing to get more and more, and common manual and electronic reamer has not satisfied the needs of production installation and maintenance.And the complicated operation of manual reamer is hard, and electronic reamer often needs charging, only is fit to the copper or the aluminum tubing of 19mm or the following diameter of 19mm, brings inconvenience to production.Present manual reamer comprises portal frame, bail handle, screw mandrel, reaming die head, pipe fixed die, bail handle is connected one with screw mandrel with the reaming die head, and be located at the portal frame center, during use copper or aluminum pipe squeezed and press from both sides to the pipe fixed die of correspondingly-sized, portal frame places on the pipe fixed die, firmly the rotary bar handle drives screw mandrel and expands head extruding copper or aluminum pipe downwards, horn mouth thereby expand.Because firmly uneven, it is unsmooth, nonstandard to expand the horn mouth that, causes refrigeration plant easily, produce when the air-conditioning equipment pipeline connects that cold-producing medium leaks and the damage of equipment, even cause severe contamination to environment.Many for this reason manufacturers and professional person develop and study at above-mentioned problem, but do not have desirable product to emerge so far.
Summary of the invention
For overcoming the existing existing above-mentioned deficiency of manual and electronic reamer, the purpose of this utility model provide a kind of simple and reasonable, manipulate light, extruding force big, expansion bellmouth orifice ability is strong, the hand-hydraulic reamer of the level and smooth standard of horn mouth.
The technical scheme that its technical problem that solves the utility model adopts, it comprises hand pump, wind, oil drum and be fixed on handle on the oil drum, oil drum is fixed on the oil-feed oral-lateral of hand pump, the fuel-displaced oral-lateral of described hand pump is provided with piston cylinder, be provided with piston in the piston cylinder, be with oil return compression spring on the piston, the piston cylinder outer end is fixed with portal frame, portal frame is provided with the pipe fixed die, portal frame is provided with the locking screw mandrel of fixing tube fixed die, piston end face is fixed with the reaming die head, and the pipe hole of reaming die head and pipe reaming mould is on same axis.
Described hand pump comprises the pump housing, plunger, and the oil-in of the pump housing is provided with inlet valve, and the oil-out of the pump housing is provided with delivery valve, and the return flow line of the pump housing is provided with return valve.
Be fixed with the oil storage bag on the oil-in of the described pump housing, oil-in is provided with screen pack, and the oil storage bag is arranged in the oil drum.
The switching knob of described return valve is provided with the fixing pin that matches with pump housing spacer pin.
After adopting said structure, the utility model has following advantage and effect, the one, hand pump promotes piston, piston drives the reaming die head and pushes the pipe that is fixed on the pipe reaming mould pipe hole, makes the crimp of pipe head form the horn mouth of level and smooth and standard, can guarantee to install and revise quality, hydraulic pressure reaming extruding force is big, rapid operation is light, and the bell mouth expanding ability is strong, can expand the pipe of 22mm and the above diameter of 22mm.Two the utility model are on-the-spot ideal tools of installing, repairing bell mouth expanding, are particularly useful for the enlarging of copper pipe, aluminum pipe, stainless steel tube.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A pump housing cross-sectional view of the utility model Fig. 1.
1 wind wherein, 2 handles, 3 oil storage bags, 4 oil drums, 5 screen packs, 6 inlet valves, 7 plunger seal circles, 8 plungers, 9 return valves, 10 connecting rods, 11 delivery valves, 12 pump housings, 13 piston packings, 14 pistons, 15 fixed screws, 16 oil returns compression spring, 17 cylindrical pin with external threads, 18 reaming die heads, 19 locking screw mandrels, 20 pipe fixed dies, 21 portal frames, 22 oil-feed spools, 23 back-moving springs, 24 fuel-displaced spools, 25 double-screw bolt covers, 26 piston cylinders, 27 knob sealing rings, 28 backflow spools, 29 spacer pins, 30 switching knobs, 31 fixing pins.
The specific embodiment
Illustrated in figures 1 and 2, specific embodiments for a kind of hand-hydraulic reamer of the utility model, it comprises hand pump, wind 1, oil drum 4 and be fixed on handle 2 on the oil drum 4, wind 1 is hinged with the connecting rod 10 that is fixed on the pump housing 12, oil drum 4 is fixed on the oil-feed oral-lateral of hand pump, the fuel-displaced oral-lateral of described hand pump is provided with piston cylinder 26, be provided with piston 14 in the piston cylinder 26, piston 14 is provided with piston packing 13, be with oil return compression spring 16 on the piston 14, piston cylinder 26 outer ends are fixed with portal frame 21, portal frame 21 is provided with pipe fixed die 20, portal frame 21 is provided with the locking screw mandrel 19 of fixing tube fixed die 20, and the end face of piston 14 is fixed with countersinking die head 18 by cylindrical pin with external thread 17, and the pipe hole of reaming die head 18 and pipe reaming mould 20 is on same axis.
Described hand pump comprises the pump housing 12, plunger 8, plunger 8 is arranged on the plunger case of the pump housing 12 by plunger seal circle 7, plunger case is connected with oil inlet passage, plunger 8 is hinged on the wind 1, the oil-in of the pump housing 12 is provided with inlet valve 6, inlet valve 6 is made up of oil-feed spool 22 and back-moving spring 23, the oil-out of the pump housing 12 is provided with delivery valve 11, delivery valve 11 is by fuel-displaced spool 24, back-moving spring 23 and double-screw bolt cover 25 are formed, the return flow line of the pump housing 12 is provided with return valve 9, return valve 9 is made up of backflow spool 28 and switching knob 30, and the valve rod of switching knob 30 is sealed and matched by the knob sealing ring 27 and the pump housing 27.Hydraulic oil is installed for convenience, is fixed with oil storage bag 3 on the oil-in of the described pump housing 12, and for the impurity that prevents hydraulic oil enters, oil-in is provided with screen pack 5, and oil storage bag 3 is arranged in the oil drum 4.Control for convenience and operation, the switching knob 30 of described return valve 9 is provided with the fixing pin 31 that matches with the pump housing 12 spacer pins 29.
When the utility model carries out bell mouth expanding, the enlarging pipe is installed on the corresponding pipe hole of pipe reaming mould 20 at first, is tightened pipe reaming mould 20 with locking screw mandrel 19.Rotary switch knob 30 closing volume valves 9 shake wind 1 then, and plunger 8 moves back and forth in plunger case under the drive of wind 1; When plunger 8 inwardly moves, plunger case pressure raises, when pressure during greater than the pressure of piston cylinder 26, delivery valve 11 is opened, hydraulic oil in the plunger case enters in the piston cylinder 26, promote piston 14 and outwards move behind the elastic force that overcomes oil return compression spring 16, reaming die head 18 is the compression flare pipe under piston 14 promotes; When plunger 8 resetted, oil inlet passage vacuumized, and delivery valve 11 cuts out, inlet valve 6 is opened, and hydraulic oil enters plunger case after oil storage bag 3 filters through filter screen 5, after plunger 8 resets, inlet valve 6 cuts out under the elastic force effect of back-moving spring 23, for plunger 8 inside motions are next time got ready; Plunger 8 so returns reciprocating cutter, constantly pushes pipe and produces deformation, thereby reach the purpose of bell mouth expanding.After bell mouth expanding was finished, rotary switch knob 30 was opened return valve 9, and piston 14 is got back to the hydraulic oil in the piston cylinder 26 in the oil storage bag 3 by the return flow line under oil return compression spring 16 promotes automatically, for enlarging is next time got ready.
The above; just specific embodiment of the utility model is not that the utility model is made any pro forma restriction, is not breaking away from the technical solution of the utility model basis; the simple modification of having done, equivalent variations or modification all fall into protection domain of the present utility model.
Claims (4)
1. hand-hydraulic reamer, comprise hand pump, wind (1), oil drum (4) and be fixed on handle (2) on the oil drum (4), oil drum (4) is fixed on the oil-feed oral-lateral of hand pump, it is characterized in that: the fuel-displaced oral-lateral of described hand pump is provided with piston cylinder (26), be provided with piston (14) in the piston cylinder (26), be with oil return compression spring (16) on the piston (14), piston cylinder (26) outer end is fixed with portal frame (21), portal frame (21) is provided with pipe fixed die (20), portal frame (21) is provided with the locking screw mandrel (19) of fixing tube fixed die (20), the end face of piston (14) is fixed with reaming die head (18), and the pipe hole of reaming die head (18) and pipe reaming mould (20) is on same axis.
2. hand-hydraulic reamer according to claim 1, it is characterized in that: described hand pump comprises the pump housing (12), plunger (8), the oil-in of the pump housing (12) is provided with inlet valve (6), the oil-out of the pump housing (12) is provided with delivery valve (11), and the return flow line of the pump housing (12) is provided with return valve (9).
3. hand-hydraulic reamer according to claim 1 and 2 is characterized in that: be fixed with oil storage bag (3) on the oil-in of the described pump housing (12), oil-in is provided with screen pack (5), and oil storage bag (3) is arranged in the oil drum (4).
4. hand-hydraulic reamer according to claim 3 is characterized in that: the switching knob (30) of described return valve (9) is provided with the fixing pin (31) that matches with the pump housing (12) spacer pin (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124273 CN203076473U (en) | 2013-03-19 | 2013-03-19 | Manual hydraulic reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124273 CN203076473U (en) | 2013-03-19 | 2013-03-19 | Manual hydraulic reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203076473U true CN203076473U (en) | 2013-07-24 |
Family
ID=48822351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320124273 Expired - Fee Related CN203076473U (en) | 2013-03-19 | 2013-03-19 | Manual hydraulic reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203076473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353201A (en) * | 2014-10-26 | 2015-02-18 | 劳炳凤 | Hand-held hydraulic expander |
| CN106475479A (en) * | 2016-11-22 | 2017-03-08 | 郭成城 | A kind of hydraulic pressure inclined hole reamer |
| CN112605200A (en) * | 2020-07-01 | 2021-04-06 | 真兰管业科技有限公司 | Pipeline flanging tool and method for quickly connecting pipe fittings through tool |
-
2013
- 2013-03-19 CN CN 201320124273 patent/CN203076473U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353201A (en) * | 2014-10-26 | 2015-02-18 | 劳炳凤 | Hand-held hydraulic expander |
| CN106475479A (en) * | 2016-11-22 | 2017-03-08 | 郭成城 | A kind of hydraulic pressure inclined hole reamer |
| CN106475479B (en) * | 2016-11-22 | 2020-11-10 | 郭成城 | Hydraulic inclined hole reamer |
| CN112605200A (en) * | 2020-07-01 | 2021-04-06 | 真兰管业科技有限公司 | Pipeline flanging tool and method for quickly connecting pipe fittings through tool |
| CN112605200B (en) * | 2020-07-01 | 2022-10-14 | 真兰管业科技有限公司 | Pipeline flanging tool and method for quickly connecting pipe fittings through tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |