CN209586658U - Repairing pumping system built in a kind of diaphragm type compressor - Google Patents
Repairing pumping system built in a kind of diaphragm type compressor Download PDFInfo
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- CN209586658U CN209586658U CN201920055176.5U CN201920055176U CN209586658U CN 209586658 U CN209586658 U CN 209586658U CN 201920055176 U CN201920055176 U CN 201920055176U CN 209586658 U CN209586658 U CN 209586658U
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- plunger
- inlet valve
- shell
- oil
- bushing
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- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 239000003921 oil Substances 0.000 abstract description 49
- 239000010720 hydraulic oil Substances 0.000 abstract description 9
- 238000000605 extraction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010727 cylinder oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
- Compressor (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses repairing pumping systems built in a kind of diaphragm type compressor, including shell and cover board, further include trundle, and the outside of trundle is equipped with eccentric bushing, and end is matched with crankshaft；It is equipped with slippage pump in the two sides of shell, the slippage pump includes plunger bushing, plunger spring, inlet valve and draining valve, and plunger bushing, which is spirally connected, to be arranged on shell, and inlet valve and draining valve are equipped in plunger bushing；Plunger spring is set on inlet valve, and both ends are matched with inlet valve and plunger bushing respectively；The lower end of inlet valve is matched with eccentric bushing.The beneficial effects of the utility model are: only the hydraulic oil in oil pocket need to be emptied when disassembly, the oil being not required in discharge fuselage oil sump.It, can will be very convenient into a string of, draining valve whole extractions when dismantling slippage pump；Since plunger external threading is very long, it can avoid the installation resistance that repairing pump spring generates, be easily installed.The clearance volume of hydraulic oil is small, and pressure is high, will not there is a phenomenon where topping up of oil small, repairing not in time.
Description
Technical field
The utility model belongs to compressor arrangement technical field, and in particular to slippage pump system built in a kind of diaphragm type compressor
System.
Background technique
For the piston of diaphragm type compressor during moving reciprocatingly, the oil in cylinder oil pocket inevitably passes through work
Clearance leakage between plug ring and cylinder sleeve, with the increase of running time, in cylinder oil pocket oil it is fewer and fewer, prevent diaphragm from
It is bonded with cylinder cap membrane cavity domed surface, and the clearance volume in membrane cavity is then increasing, so that finally preventing compressor from inhaling again
Air inlet body and ability of losing the job.So diaphragm type compressor must be provided with oil mass of the slippage pump to supplement leakage.
Traditional repairing pumping system passes through the cam of crankshaft axle stretch end as shown in Figure 1, repairing pump case is fixed on fuselage
Structure driving repairing pump plunger does linear reciprocating motion, and the chamber volume when plunger moves upwards between plunger and inlet valve increases
Greatly, chamber is directly from fuselage oil sump oil suction；When plunger moves downward, chamber volume reduces between plunger and inlet valve, pressure liter
Height, when reaching the cracking pressure of draining valve, draining valve is opened, and oil is discharged.There are also structure as shown in Figure 2, oil pocket is arranged in shell
Body bottom, oil chamber volume are big.
The prior art has the following disadvantages: 1. slippage pumps directly from fuselage oil sump oil suction, so that oil inlet need to be in fuselage oil
The oil liquid position in pond hereinafter, when repairing slippage pump needs that the oil in fuselage is first released to slippage pump oil inlet hereinafter, causing
The waste of a large amount of hydraulic oil.
2. the oil pocket between inlet valve and draining valve is excessive, i.e., clearance volume is excessive, passes through slippage pump during the work time
Often occur topping up of oil is small, repairing not in time the phenomenon that, influence the normal work of compressor.
3. difficult to install.When installing slippage pump, needs first to be packed into plunger and spring, inlet valve is finally installed.But into
Screw thread on oil valve is shorter, just inlet valve thread contact need to can be made to threaded hole with very great strength, to be tightened, especially
V-type arrangement structure, need under obliquely upward 45 degree install, it is more difficult.
Utility model content
The purpose of this utility model is: slippage pump built in the new diaphragm type compressor of one kind is provided, to solve above-mentioned existing skill
The problems in art.
The utility model is achieved by the following technical solution: repairing pumping system built in a kind of diaphragm type compressor, including
The cover board at shell both ends is arranged in the shell matched with fuselage front cover, further includes the trundle that portion in the housing is arranged, transmission
The outside of pin is fixed with eccentric bushing, and the end of trundle passes through cover board and matches with crankshaft；It is equipped with slippage pump in the two sides of shell,
The slippage pump includes plunger bushing, plunger spring, inlet valve and draining valve, and plunger bushing, which is spirally connected, to be arranged on shell, in plunger bushing
It is interior to be equipped with inlet valve and draining valve；Plunger spring is set on inlet valve, and both ends are matched with inlet valve and plunger bushing respectively；Into
The lower end of oil valve is matched with eccentric bushing.
Further: shell is spirally connected fixation by fixed feet and fuselage front cover.
Further: trundle and shell axis connect cooperation.
Further: cover board and shell are spirally connected fixation.
Further: the inlet valve is slipped inside plunger bushing by the plunger of lower part, and the draining valve is screwed onto column
Plug sleeve inside upper part.
Further: the outlet of the draining valve inside oil filling pipeline and compressor by being connected.
The beneficial effects of the utility model are: need to only empty the hydraulic oil in oil pocket when 1. disassembly, it is not required to discharge fuselage
Oil in oil sump.
It, can will be very convenient into a string of, draining valve whole extractions 2. dismantle slippage pump；Since plunger external threading is very long,
It can avoid the installation resistance that repairing pump spring generates, be easily installed.
3. the clearance volume of hydraulic oil is small, pressure is high, will not there is a phenomenon where topping up of oil small, repairing not in time.
Detailed description of the invention
Fig. 1 is existing slippage pump system construction drawing；
Fig. 2 is the fuselage front cover outline drawing of existing four slippage pumps；
Fig. 3 is the fuselage front-cover structure figure of four slippage pumps；
Fig. 4 is the sectional structure chart of Fig. 3 overlook direction；
Fig. 5 is slippage pump structural schematic diagram.
Number explanation in figure: 1. cover boards, 2. oil pockets, 3. eccentric bushings, 4. plunger springs, 5. plunger bushings, 6. inlet valves, 61.
Before plunger, 7. draining valves, 8. shells, 81. pouring orifices, 82. exhaust outlets, 9. slippage pumps, 10. trundles, 11. crankshafts, 12. fuselages
Lid, 13. repairing mouths.
Specific embodiment
As in Figure 3-5 be repairing pumping system built in a kind of diaphragm type compressor of the utility model, including with fuselage front cover 12
The cover board 1 at shell both ends is arranged in the shell 8 matched, further includes the trundle 10 in setting portion in the housing, trundle it is outer
Portion is fixed with eccentric bushing 3, and the end of trundle is matched across a side cover plate with the axle stretch end of crankshaft 11 (can be by being clamped or inserting
The mode connect)；It is equipped with slippage pump 9 in the two sides of shell, the slippage pump includes plunger bushing 5, plunger spring 4, inlet valve 6 and row
Oil valve 7, plunger bushing, which is spirally connected, to be arranged on shell, and inlet valve and draining valve are equipped in plunger bushing；Plunger spring is set in oil inlet
On valve, specifically on the plunger 61 of the lower part of inlet valve, plunger spring both ends respectively with inlet valve (column specifically thereon
Plug is additionally provided with the position-limited edge matched with plunger spring on plunger) and plunger bushing match；The lower end of inlet valve and eccentric bushing phase
Cooperation.Cover board at shell and both ends encloses the cavity of an oil storage, i.e. oil pocket 2, is equipped in the top of shell and is connected with oil pocket
Logical exhaust outlet 82, is provided with exhaust valve on exhaust outlet, and the pouring orifice 81 being connected with oil pocket is equipped in the lower section of shell.
Preferred: shell is spirally connected fixation by fixed feet and fuselage front cover.
Preferred: trundle and shell axis connect cooperation.
Preferred: cover board and shell are spirally connected fixation.
Preferred: the inlet valve is slipped inside plunger bushing by the plunger of lower part, and the draining valve is screwed onto plunger
Cover inside upper part.
Preferred: the outlet of the draining valve, that is, repairing mouth 13 inside oil filling pipeline and compressor by being connected.
Preferred: there are four the slippage pumps, sets up separately in the left and right sides of shell (along the axial direction of trundle).
The course of work of the utility model is specifically described below:
By taking the structure containing four slippage pumps as an example (structural principle of other quantity slippage pumps is identical), as shown in figure 3, by machine
Body front cover member is designed to possess independent oil pocket, two sides cover board implementation sealing.Pouring orifice 81 is arranged in oil pocket bottom, to incite somebody to action
Oil pocket is full of hydraulic oil, and exhaust outlet 82 is arranged in top, gas remaining in oil pocket to be thoroughly discharged.Trundle is designed to flat
Tack form is inserted into crankshaft axle stretch end, makes crank rotation while trundle being driven to be rotated, and trundle is existed by rolling bearing
It is positioned in front cover oil pocket.Trundle assembles eccentric bushing by key connection form.When moving to oil pocket by the gallery piston of repairing
When air-breathing dead-centre position, eccentric bushing need to make repairing pump plunger be in the compressed amount of plunger spring and reach maximum state of value.It is eccentric
Put on setting rolling bearing and slippage pump plunger contact.Repairing pump part is mainly by plunger bushing, plunger spring, inlet valve and oil extraction
Valve) composition.Inlet valve and repairing pump plunger are an integral structure.Plunger bushing is mounted in front cover threaded hole.By on eccentric bushing
The eccentric rotary and plunger spring of rolling bearing make plunger do linear reciprocating motion in plunger bushing the thrust of plunger.
It is all to close into, draining valve under normal condition.
As shown in figure 4, during plunger is moved downwardly to lower dead center from top dead centre, inlet valve 6 and draining valve 7 it
Between chamber volume increase, so that the indoor pressure of chamber is less than external pressure, so hydraulic oil enters from the oilhole on plunger, top
It drives valve ball into, enters in chamber, complete the process of oil suction；When plunger moves upward to from lower dead center the process of top dead centre
In, the indoor volume of chamber reduces, and pressure rise, inlet valve steel ball is bonded under the action of hydraulic fluid pressure with the hole on plunger,
Inlet valve is closed, and when pressure reaches the cracking pressure of draining valve, draining valve is opened, and completes oil extraction process.The hydraulic oil of discharge
It enters in cylinder oil pocket and completes repairing.
The length that plunger external threading enters threaded hole is greater than the length of plunger spring free state, so will when installation
Plunger is put into front cover completely, then plunger bushing threaded hand is gently screwed on to the length of several screw pitch, and at this moment hand unclamps plunger bushing
It will not fall.It screws up with a wrench again later, it is very laborsaving.
If check or replace slippage pump, the hydraulic oil in fuselage front cover oil pocket need to be emptied by oil discharge outlet, then will
Plunger bushing is unscrewed, whole to extract out.Due to fuselage front cover oil chamber volume very little, the oil mass released is seldom.
Inlet valve and plunger integral structure allow it is close into, draining valve distance, when plunger motion is to outer dead point with
Draining valve spacing is only 1 millimeter, is minimized the clearance volume into chamber between, draining valve, improves the efficiency of slippage pump.
The utility model repairing pumping system, volumetric efficiency is high, and structure is simple, and replacement is convenient, few easy workout part, securely and reliably.
The checking maintenance to diaphragm type compressor slippage pump is facilitated, keeps compressor overall appearance more succinct.
Claims (6)
1. repairing pumping system built in a kind of diaphragm type compressor, it is characterised in that: including the shell matched with fuselage front cover, setting
Cover board at shell both ends further includes the trundle that portion in the housing is arranged, and the outside of trundle is fixed with eccentric bushing, trundle
End pass through cover board matched with crankshaft；It is equipped with slippage pump in the two sides of shell, the slippage pump includes plunger bushing, plunger bullet
Spring, inlet valve and draining valve, plunger bushing, which is spirally connected, to be arranged on shell, and inlet valve and draining valve are equipped in plunger bushing；Plunger bullet
Spring is set on inlet valve, and both ends are matched with inlet valve and plunger bushing respectively；The lower end of inlet valve is matched with eccentric bushing.
2. repairing pumping system built in diaphragm type compressor according to claim 1, it is characterised in that: shell by fixed feet with
Fuselage front cover is spirally connected fixation.
3. repairing pumping system built in diaphragm type compressor according to claim 1, it is characterised in that: trundle connects with shell axis
Cooperation.
4. repairing pumping system built in diaphragm type compressor according to claim 1, it is characterised in that: cover board and shell are spirally connected admittedly
It is fixed.
5. repairing pumping system built in diaphragm type compressor according to claim 1, it is characterised in that: under the inlet valve passes through
The plunger in portion slips inside plunger bushing, and the draining valve is screwed onto plunger bushing inside upper part.
6. repairing pumping system built in diaphragm type compressor according to claim 1, it is characterised in that: the outlet of the draining valve
By being connected inside oil filling pipeline and compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055176.5U CN209586658U (en) | 2019-01-14 | 2019-01-14 | Repairing pumping system built in a kind of diaphragm type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055176.5U CN209586658U (en) | 2019-01-14 | 2019-01-14 | Repairing pumping system built in a kind of diaphragm type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586658U true CN209586658U (en) | 2019-11-05 |
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ID=68353302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920055176.5U Active CN209586658U (en) | 2019-01-14 | 2019-01-14 | Repairing pumping system built in a kind of diaphragm type compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN209586658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
| CN113153712A (en) * | 2021-04-27 | 2021-07-23 | 烟台东德氢能技术有限公司 | Diaphragm compressor |
-
2019
- 2019-01-14 CN CN201920055176.5U patent/CN209586658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431747A (en) * | 2020-11-23 | 2021-03-02 | 西安交通大学 | Full-automatic diaphragm compressor oil way system and starting method thereof |
| CN113153712A (en) * | 2021-04-27 | 2021-07-23 | 烟台东德氢能技术有限公司 | Diaphragm compressor |
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