CN103967751B - A kind of vacuum pumping device - Google Patents
A kind of vacuum pumping device Download PDFInfo
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- CN103967751B CN103967751B CN201410199346.9A CN201410199346A CN103967751B CN 103967751 B CN103967751 B CN 103967751B CN 201410199346 A CN201410199346 A CN 201410199346A CN 103967751 B CN103967751 B CN 103967751B
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Abstract
The application relates to a kind of vacuum pumping device, comprises vacuum pump and liquid collecting assembly, and described liquid collecting assembly is made up of the first termination, the second termination and liquid cylinder, and described first termination, the second termination are connected with the two ends of liquid cylinder are airtight respectively; There is the outlet passageway be connected with vacuum pump inlet end described second inside, termination, is provided with stop valve in described outlet passageway; There is gas-entered passageway described first inside, termination, and apocenosis passage; The external port of described gas-entered passageway has the air input joint installed and be connected with hydraulic system; Described apocenosis passage is provided with one-way valve.This device achieves and carries out inside and outside protection to vacuum pump, extends its working life, reduces rate of fault.
Description
Technical field
The present invention relates to a kind of vacuum pumping device, the vacuum pumping device used under particularly relating to a kind of applicable field extreme environment.
Background technique
It is the important means ensureing full enclosed type hydraulic system safety, stable operation by the gas vacuumized in the emptying hydraulic system of mode.Existing vacuum means is set to exposed vacuum pump, and when using vacuum pump to bleed under lowered in field environment, due to reasons such as collision, trickle, immersion, dust, the rate of fault of vacuum pump is very high.And due in the gas extracted out from hydraulic system, often with steam or wet goods impurity, if these gases mixing impurity enter vacuum pump, the element corrosion of vacuum pump can be made, aging.
Summary of the invention
The invention provides a kind of vacuum pumping device, its objective is and inside and outside protection is carried out to vacuum pump, extend its working life, reduce rate of fault.
In order to realize foregoing invention object, the technological scheme that the present invention takes is as follows:
A kind of vacuum pumping device, comprise vacuum pump, it is characterized in that: also comprise liquid collecting assembly, described liquid collecting assembly is made up of the first termination, the second termination and liquid cylinder, and described first termination, the second termination are connected with the two ends of liquid cylinder are airtight respectively;
There is the outlet passageway be connected with vacuum pump inlet end described second inside, termination, is provided with stop valve in described outlet passageway;
There is gas-entered passageway described first inside, termination, and apocenosis passage; The external port of described gas-entered passageway has the air input joint installed and be connected with hydraulic system; Described apocenosis passage is provided with one-way valve.
Further, connecting rod is had between described first termination and the second termination.
Further, described liquid cylinder is plexiglass cylinder.
Further, also comprise the fixing-assembly of vacuum pump, described fixing-assembly comprises the first support, the second support and dowel bar;
Described first support and the second support are the cylindrical body of equal diameters, and described dowel bar is supported between the first support and the second support;
Described first internal stent has support to enter gas passage; Described support enters gas passage outermost port and is connected with support air inlet joint;
Described second internal stent live wire passage.
Further, described first support and the diameter of the second support and the equal diameters of liquid cylinder.
Further, also comprise shell, described shell is a cylinder, and described vacuum pump is built in fixing-assembly, and is connected with liquid collecting assembly, and both are placed in shell jointly.
Further, described shell offers viewing window at liquid collecting module position.
Further, described first outer end, termination is connected with the first helmet, between the two for being threaded.
Further, described second support outermost end is connected with end cap, and the cable channel corresponding position of described end cap and the second support is provided with waterproof wire passage device;
Exhaust passage is had in described end cap; There is exhaust joint described exhaust passage near vacuum pump end; Described exhaust joint is communicated with the exhaust joint of vacuum pump by flexible pipe.
Further, described end cap is the cylinder that one end is closed, and the cavity of cylinder is take-up chamber, and described end cap closed end is fixedly connected with shell by tightening nut.
Further, described end cap opening end has been threaded connection the second helmet, and described second helmet and end cap joint are sealed by seal ring.
Further, the cavity that described first helmet and the second helmet are closed by one end and hook portion composition, described hook portion is connected on the Closed End of cavity.
Compared to the prior art the present invention, has following beneficial effect:
Liquid collecting assembly, for collecting the impurity such as oil, water occurred in vacuum, prevents these impurity from entering vacuum pump, affects the normal operation of vacuum pump.
By the first support of the fixing-assembly of vacuum pump, shell and end cap, vacuum pump is closed to the cavity of a sealing, plays waterproof and dustproof, crashproof effect.
Helmet is equipped with at vacuum pumping device two ends, and vacuum pumping device not used time helmet can play waterproof and dustproof, crashproof effect, can also serve as suspension ring and use during carrying.
Fixing-assembly and liquid collecting assembly are stand-alone assembly, can quick-detachment, replacing.
Accompanying drawing explanation
Fig. 1 is the sectional view of vacuum pumping device.
Fig. 2 is the detail drawing of liquid collecting assembly.
Fig. 3 is the assemblying body detail drawing that vacuum pump is placed in fixing-assembly formation.
Fig. 4 is end cap partial detail view.
Fig. 5 is the three-dimensional assembly diagram of vacuum pumping device.
Reference character: 1-shell, 2-first helmet, 3-second helmet, 4-end cap, 5-take-up chamber, 6-waterproof wire passage device, 7-exhaust passage, 8-exhaust joint, 9-vacuum pump, 10-first support, 11-second support, 12-dowel bar, 13-support air inlet joint, 14-exhaust joint, 15-liquid cylinder, 16-first termination, 17-second termination, 18-connecting rod, 19-air outlet adapter, 20-outlet passageway, 21-stop valve, 22-gas-entered passageway, 23-apocenosis passage, 24-one-way valve, 25-air input joint, 26-viewing window, 27-first tightening nut, 28-second tightening nut, 29-seal groove.
Embodiment
Clearly understand for making goal of the invention of the present invention, technological scheme and beneficial effect, below in conjunction with accompanying drawing, embodiments of the invention are described, it should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 1 is the sectional view of vacuum pumping device.As shown in Figure 1, a kind of vacuum pumping device, comprise vacuum pump 9, also comprise liquid collecting assembly, shell 1, fixing-assembly, end cap 4, first helmet 2 and the second helmet 3, described shell 1 is a cylinder, described vacuum pump 9 is placed in fixing-assembly, and is connected with liquid collecting assembly, and is placed in shell 1 from shell two ends respectively.First helmet 2 is connected with the first termination 16 of liquid collecting assembly by screw thread; End cap 4 is arranged on shell 1 right part, and is fixed the second support 11 of assembly; End cap 4 is all fixedly connected with shell 1 by the second tightening nut 28.Described second helmet 3 is connected to end cap 4 outer end, and described second helmet 3 is threaded with end cap 4.
Shell 1 and end cap 4 surface of contact are provided with seal ring, between first support 10 of fixing-assembly and shell 1, seal ring at least is together set, see in Fig. 1 and Fig. 3, the seal groove 29 installing seal ring is visible as in Fig. 3, vacuum pump is closed in a closed cavity by seal ring, plays waterproof and dustproof, crashproof effect.
See the detail drawing that Fig. 2, Fig. 2 are liquid collecting assembly.Described liquid collecting assembly is made up of the first termination 17, termination 16, second and liquid cylinder 15, and described first termination 17, termination 16, second is connected with the two ends of liquid cylinder 15 are airtight respectively;
There is the outlet passageway 20 be connected with vacuum pump inlet end described second inside, termination 17, and outlet passageway 20 outermost end has the air outlet adapter 19 be connected with the air input joint 13 on the first support 10 of vacuum pump fixing-assembly; In described outlet passageway 20, stop valve 21 is installed; Stop valve can block the flow of fluid between liquid collecting assembly and vacuum pump.Stop valve can be closed when the impurity such as liquid is full in liquid cylinder, avoid impurity to enter vacuum pump; Also need during liquid in emptying liquid trap to close stop valve, prevent barotropic gas from discharging from vacuum pump; Close stop valve when transport, carrying, can prevent liquid residual in liquid collecting assembly from entering vacuum pump.
There is gas-entered passageway 22 described first inside, termination 16, and apocenosis passage 23; The external port of described gas-entered passageway 22 has the air input joint 25 installed and be connected with hydraulic system; Described apocenosis passage 23 is provided with one-way valve 24.The working procedure of one-way valve 24 is, when taking out true pump work, be negative pressure in liquid collecting assembly, one-way valve 24 is closed; Oil extraction limit value is needed when the liquid in liquid collecting assembly arrives, when needing liquid to be discharged liquid collecting assembly, air input joint 25 is connected with air compressor, to liquid collecting assembly for pressurized air, now, be malleation in liquid collecting assembly, one-way valve 24 is opened, and in liquid collecting assembly, liquid is discharged from one-way valve 24 through apocenosis passage 23.
Cause the liquid in liquid collecting assembly to suck vacuum pump not in time in order to avoid observing, operating, can install liquid-level switch in liquid collecting assembly, liquid-level switch is connected with the power supply of vacuum pump 9, and when liquid collecting assembly liquid level is too high, vacuum pump can be automatically out of service.
In the present embodiment, rapid pipe joint selected by air input joint 25, can automatic-sealed when rapid pipe joint does not connect tracheae, prevents introduced contaminants from entering liquid collecting assembly.
Preferably, connecting rod 18 is had between described first termination 16 and the second termination 17.
Preferably, described liquid cylinder 15 is plexiglass cylinder.
Fig. 3 is the assemblying body detail drawing that vacuum pump is placed in fixing-assembly formation.See Fig. 3, described fixing-assembly comprises the first support 10, second support 11 and dowel bar 12; Described first support 10 and the second support 11 are the cylindrical body of equal diameters, and described dowel bar 12 is supported between the first support 10 and the second support 11; In the present embodiment, dowel bar 12 is three, and it act as and left and right support is connected into an entirety, bears the pressure of end cap to the second support 11 simultaneously, avoids the pressure of end cap 4 to be applied directly on vacuum pump 9, damage vacuum pump by pressure.
Described first support 10 inside has support to enter gas passage; Described support enters gas passage outermost port and is connected with support air inlet joint 13; Described second support 11 inner live wire passage (support enters in gas passage and cable channel figure all not shown).
Preferably, the first support 10 of described fixing-assembly and the diameter of the second support 11 and the equal diameters of liquid cylinder 15.
Be the three-dimensional assembly diagram of vacuum pumping device see Fig. 5, Fig. 5.Described shell 1 offers viewing window 26 at liquid collecting module position.Operator can liquid level in Real Time Observation liquid trap.Liquid trap assembly, for collecting the impurity such as oil, water occurred in vacuum, prevents these impurity from entering vacuum pump, affects the normal operation of vacuum pump.
Preferably, described first outer end, termination 16 is connected with the first helmet 2, and described first helmet 2 and the first termination 16 are threaded connection, and are compressed by the first tightening nut 27.
End cap partial detail view see Fig. 4, Fig. 4.Described second support 11 outermost end is connected with end cap 4, and the cable channel corresponding position of described end cap 4 and the second support 11 is provided with waterproof wire passage device 6; Waterproof wire passage device 6 is for being connected external power supply with the motor of vacuum pump.
Exhaust passage 7 is had in described end cap 4; There is exhaust joint 8 described exhaust passage 7 near vacuum pump end; Described exhaust joint 8 is communicated with the exhaust joint 14 of vacuum pump by flexible pipe.
Preferably, the cartridge type that described end cap 4 is closed for one end, the hollow space of cylinder is take-up chamber 5, and described end cap closed end is fixedly connected with shell 1 by the second tightening nut 28.The outlet side of exhaust passage 7 is ensconced in take-up chamber 5, enters vacuum pump inside to avoid the impurity such as water, dust.
See Fig. 1 and Fig. 5, the cavity that described first helmet 2 and the second helmet 3 are closed by one end and hook portion composition, described hook portion is connected on the Closed End of cavity.First helmet 2 and the second helmet 3, in the vacuum pumping device not used time, can play waterproof and dustproof, crashproof effect, can also serve as suspension ring and use during carrying.
During the assembling of said apparatus vacuum pumping device, liquid collecting assembly loads shell from shell first end portion (the first end, helmet place), vacuum pump is fixed on the assemblying body formed in fixing-assembly, shell is loaded from shell the second end (the second end, helmet place), and liquid collecting assembly is connected with the correspondence on fixing-assembly, then at the second end of shell, end cap is installed, and by the driving lighting outlet of vacuum pump through waterproof wire passage device 6, be connected with external drive power supply and can realize vacuumizing operation.Operation is complete, and driving is drawn drum in take-up chamber, install the first helmet at first end respectively, the second end installs the second helmet.Independent each assembly of arranging and detachable connection, make this vacuum pumping device have and quick-detachment, wearing detail the advantage such as can to change at any time.
Although disclosed mode of execution as above, the mode of execution that its content just adopts for the ease of understanding technological scheme of the present invention, is not intended to limit the present invention.Technician in any the technical field of the invention; under the prerequisite not departing from disclosed core technology scheme; any amendment and change can be made in the form implemented and details; but the protection domain that the present invention limits, the scope that still must limit with appending claims is as the criterion.
Claims (12)
1. a vacuum pumping device, comprise vacuum pump (9), it is characterized in that: also comprise liquid collecting assembly, described liquid collecting assembly is made up of the first termination (16), the second termination (17) and liquid cylinder (15), and described first termination (16), the second termination (17) are connected with the two ends of liquid cylinder (15) are airtight respectively;
There is the outlet passageway (20) be connected with vacuum pump inlet end described second termination (17) inside, is provided with stop valve (21) in described outlet passageway (20);
There is gas-entered passageway (22) described first termination (16) inside, and apocenosis passage (23); The external port of described gas-entered passageway (22) has the air input joint (25) installed and be connected with hydraulic system; Described apocenosis passage (23) is provided with one-way valve (24).
2. vacuum pumping device as claimed in claim 1, is characterized in that: have connecting rod (18) between described first termination (16) and the second termination (17).
3. vacuum pumping device as claimed in claim 1, is characterized in that: described liquid cylinder (15) is plexiglass cylinder.
4. the vacuum pumping device as described in claims 1 to 3 any one, is characterized in that: the fixing-assembly also comprising vacuum pump, and described fixing-assembly comprises the first support (10), the second support (11) and dowel bar (12);
The cylindrical body that described first support (10) and the second support (11) they are equal diameters, and described dowel bar (12) is supported between the first support (10) and the second support (11);
Described first support (10) inside has support to enter gas passage; Described support enters gas passage outermost port and is connected with support air inlet joint;
The inner live wire passage of described second support (11).
5. vacuum pumping device as claimed in claim 4, is characterized in that: the diameter of described first support (10) and the second support (11) and the equal diameters of liquid cylinder (15).
6. vacuum pumping device as claimed in claim 5, it is characterized in that: also comprise shell (1), described shell (1) is a cylinder, described vacuum pump (9) is placed in fixing-assembly, and be connected with liquid collecting assembly, both are placed in shell (1) jointly.
7. vacuum pumping device as claimed in claim 5, is characterized in that: described shell (1) offers viewing window (26) at liquid collecting module position.
8. vacuum pumping device as claimed in claim 5, is characterized in that: described first termination (16) outer end is connected with the first helmet (2).
9. vacuum pumping device as claimed in claim 4, it is characterized in that: described second support (11) outermost end is connected with end cap (4), described end cap (4) is provided with waterproof wire passage device (6) with the cable channel corresponding position of the second support (11);
Exhaust passage (7) is had in described end cap (4); There is exhaust joint (8) described exhaust passage near vacuum pump end; Described exhaust joint (8) is communicated with the exhaust joint (14) of vacuum pump by flexible pipe.
10. vacuum pumping device as claimed in claim 9, it is characterized in that: the cylinder that described end cap (4) is closed for one end, the cavity of cylinder is take-up chamber (5), and described end cap closed end is fixedly connected with shell (1).
11. vacuum pumping devices as claimed in claim 10, it is characterized in that: described end cap (4) opening end is connected with the second helmet (3), described second helmet (3) and end cap (4) joint are sealed by seal ring.
12. vacuum pumping devices as claimed in claim 10, is characterized in that: the cavity that described first helmet (2) and the second helmet (3) are closed by one end and hook portion composition, described hook portion is connected on the Closed End of cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199346.9A CN103967751B (en) | 2014-05-12 | 2014-05-12 | A kind of vacuum pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199346.9A CN103967751B (en) | 2014-05-12 | 2014-05-12 | A kind of vacuum pumping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967751A CN103967751A (en) | 2014-08-06 |
| CN103967751B true CN103967751B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410199346.9A Active CN103967751B (en) | 2014-05-12 | 2014-05-12 | A kind of vacuum pumping device |
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| Country | Link |
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| CN (1) | CN103967751B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1000244A1 (en) * | 1997-07-30 | 2000-05-17 | KNF Neuberger GmbH | Method for evacuating a wet gas, treatment device for carrying out this method and suction pump for a treatment device of this type |
| CN101929450A (en) * | 2010-10-11 | 2010-12-29 | 复旦大学 | Vacuum pump capable of preventing oil, water and contained particulate matters from being absorbed into pump body |
| CN102006939A (en) * | 2008-02-11 | 2011-04-06 | 亚达帕丽·空达拉·姚 | A vaccum pump suction filter meant for collecting impurities from function |
-
2014
- 2014-05-12 CN CN201410199346.9A patent/CN103967751B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1000244A1 (en) * | 1997-07-30 | 2000-05-17 | KNF Neuberger GmbH | Method for evacuating a wet gas, treatment device for carrying out this method and suction pump for a treatment device of this type |
| CN102006939A (en) * | 2008-02-11 | 2011-04-06 | 亚达帕丽·空达拉·姚 | A vaccum pump suction filter meant for collecting impurities from function |
| CN101929450A (en) * | 2010-10-11 | 2010-12-29 | 复旦大学 | Vacuum pump capable of preventing oil, water and contained particulate matters from being absorbed into pump body |
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| Publication number | Publication date |
|---|---|
| CN103967751A (en) | 2014-08-06 |
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Inventor after: Zhang Wenquan Inventor after: Sun Tianhua Inventor after: Liang Guowei Inventor after: Wu Xiuquan Inventor before: Zhang Wenquan Inventor before: Sun Tianhua Inventor before: Liang Guowei Inventor before: Wu Xiuquan |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |
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