CN203770133U - Novel single-cylinder single-stage siding valve vacuum pump - Google Patents
Novel single-cylinder single-stage siding valve vacuum pump Download PDFInfo
- Publication number
- CN203770133U CN203770133U CN201420111515.4U CN201420111515U CN203770133U CN 203770133 U CN203770133 U CN 203770133U CN 201420111515 U CN201420111515 U CN 201420111515U CN 203770133 U CN203770133 U CN 203770133U
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- pump
- pump housing
- oil
- bearing
- motor
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model belongs to the technical field of pumps, and in particular relates to a novel single-cylinder single-stage siding valve vacuum pump with pumping speed of 150 liters per second. A pump shaft is arranged on the middle part of a pump body; the middle part of the pump shaft penetrates through a cavity and drives a sliding valve eccentric wheel mechanism in the cavity; the left end and the right end of the pump shaft are respectively arranged in a left bearing and a right bearing in a penetrating manner; the left bearing and the right bearing are respectively arranged on a pump cover on the outer side of the cavity; the left end of the pump shaft is connected with a motor through a transmission mechanism; the motor is directly fixed on a motor seat on the top of the pump body; an outlet of an exhaust valve is connected with an oil-gas separator; the oil-gas separator is externally arranged on the left rear side of the pump body; an oil tank is fixed on a base on the rear side of the pump body and is communicated with the pump body through an oil conveying pipe. The novel single-cylinder single-stage siding valve vacuum pump runs steadily; furthermore, the structure, the oil supply and the like are improved, so that the service life is greatly prolonged, and the maintenance performance and the comprehensive performance are greatly improved.
Description
Technical field
The utility model belongs to pump technical field, refers in particular to a kind of pumping speed and be the novel single cylinder single-stage sliding valve vacuum pump of 150 liters/second.
Background technique
Sliding valve vacuum pump has more than 60 year in the production history of China, first generation sliding valve vacuum pump is to the Soviet Union, to introduce, improve H-9Xing Bengji China H-150 pump that the sixties, design was produced of design the fifties in last century, its structural arrangement form is that Pump and Electromotor is on same base, this type of pump volume is large, structure is not compact, the remarkable shortcoming of the large grade of floor space.For overcoming the problems referred to above, develop into afterwards motor and be placed in the second generation sliding valve vacuum pump above pump fuel tank, second generation pump has larger improvement than first generation pump structure setting type, structure is compacter, and floor space is little, but because motor is placed in above fuel tank, the center of gravity of pump is higher, turns round steady not; For overcoming this weakness, my company has researched and developed third generation sliding valve vacuum pump, and the running of third generation sliding valve vacuum pump is more steady, improving aspect structure, confession wet goods, in working life, maintenance, combination property, is greatly improved simultaneously.
Summary of the invention
It is more steady that the purpose of this utility model is to provide a kind of running, improving the single cylinder single-stage sliding valve vacuum pump being greatly improved in working life, maintenance, combination property aspect structure, confession wet goods simultaneously.
The purpose of this utility model is achieved in that
A kind of novel single cylinder single-stage sliding valve vacuum pump, comprise the pump housing, the top of the pump housing is provided with outlet valve, one side of the pump housing is provided with suction port, suction port is communicated with the chamber of the pump housing, and the middle part of the pump housing is provided with pump shaft, and the middle part of pump shaft is through described chamber and drive the guiding valve eccentric mechanism in chamber, the left and right end of pump shaft is located in respectively in left and right bearing, and described left and right bearing is separately positioned on the pump cover in chamber outside; The left end of described pump shaft is connected with motor by driving mechanism, and motor is directly fixed on the motor cabinet at pump housing top; The outlet of described outlet valve is connected with deaerator, the external left rear side at the pump housing of deaerator, and fuel tank is fixed on the base of pump housing rear side, and is communicated with the pump housing by transport pipe.
Preferably, the suction port place of the described pump housing is provided with suction port filter screen.
Preferably, between the described pump housing and pump cover, all adopt "O"-ring sealing.
Preferably, described left and right bearing is selfaligning roller bearing; Between left bearing right side and the pump housing, between right bearing left side and the pump housing, be provided with oil sealing.
Preferably, in described fuel tank, be provided with oil sump, in oil sump, be provided with two oil strainers.
The utility model compared to existing technology outstanding and useful technique effect is:
The utility model moves to fuel tank at the rear portion of pump, motor is directly installed on the pump housing, greatly reduce height and the center of gravity of pump, axle center and the distance between pump shaft of motor have larger dwindling, make pump running more steady, improving aspect structure, confession wet goods, the utility model is greatly improved in working life, maintenance, combination property simultaneously.
The utility model has changed the fuel system in pump housing chamber, is changed into the mode of being interrupted fuel feeding in compression chamber by traditional approach, and this is beneficial for improving ultimate pressure of a pump (vacuum), single-stage ultimate pressure of a pump is approached or reach twin-stage ultimate pressure of a pump.
(bearing of the present utility model adopts external structure, it is outer that bearing is arranged on chamber), between chamber and bearing, increase oil sealing, without the vacuum oil lubricating bearings in pump housing chamber, and bearing is carried out to independent fuel feeding, the working life of improving bearing, (traditional sliding valve vacuum pump was after the environment of many dust such as refining titanium industry works long hours, and the vacuum oil in pump housing chamber is vulnerable to pollute, if bearing adopts vacuum oil to be lubricated, very easily cause the life-span to be reduced).
Suction port of the present utility model installs suction port filter screen additional, prevents that foreign matter from entering pump chamber, improves the operating reliability of pump; Fuel tank is arranged on the outside of the pump housing, makes the process of changing oil simpler, quick; Meanwhile, be provided with two oil strainers in fuel tank, the vacuum oil that makes to get back in pump housing chamber is clean clean.
Accompanying drawing explanation
Fig. 1 is one of structure diagram of the present utility model.
Fig. 2 is two of structure diagram of the present utility model.
In figure: the 1-pump housing; 2-first pump cover; 3-second pump cover; 4-guiding valve; 5-eccentric wheel; 6-pump shaft; 7-axle sleeve first; 8-oil seal collar; 9-axle sleeve second; 10-bearing gland first; 11-bearing gland second; 12-pump belt pulley; 13-shaft end pressure plate; 14-stabilizer; 15-deaerator; 16-head cover plate; 17-cooling water stifle; 18-side cover plate; 19-suction port filter screen; 20-gas charging valve; 21-gas charging valve packing ring; 22-guide rail; 23-outlet valve; 24a-left bearing; 24b-right bearing; 25-oil sealing; 26-oil sealing; 27-motor cabinet; 28-motor pulley; 29-belt hood; 30-stabilizer protective housing; 31-gas ballast valve; 32-v belt; 33-base; 34-fuel tank; 35-chamber.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-2:
A kind of novel single cylinder single-stage sliding valve vacuum pump, comprise the pump housing 1, the top of the pump housing 1 is provided with outlet valve 23, one side of the pump housing 1 is provided with suction port, and suction port is communicated with the chamber of the pump housing, and the middle part of the pump housing is provided with pump shaft 6, the middle part of pump shaft 6 is through described chamber and drive the guiding valve eccentric mechanism (comprising guiding valve 4 and eccentric wheel 5) in chamber, the left and right end of pump shaft 6 is located in respectively left and right bearing 24a, and in 24b, described left and right bearing is separately positioned on the pump cover in chamber 35 outsides; The left end of described pump shaft 6 is connected with motor by driving mechanism, and motor is directly fixed on the motor cabinet 27 at pump housing top; The outlet of described outlet valve is connected with deaerator 15, the external left rear side at the pump housing 1 of deaerator 15; Fuel tank 34 is fixed on the base 33 of pump housing rear side, and is communicated with the pump housing by transport pipe.The utility model moves to fuel tank at the rear portion of pump, motor is directly installed on the pump housing, greatly reduce height and the center of gravity of pump, axle center and the distance between pump shaft of motor have larger dwindling, make pump running more steady, improving aspect structure, confession wet goods, the utility model is greatly improved in working life, maintenance, combination property simultaneously.Fuel tank is arranged on the outside of the pump housing, makes the process of changing oil simpler, quick.
Preferably, the suction port place of the described pump housing 1 is provided with suction port filter screen 19, prevents that foreign matter from entering pump chamber, improves the operating reliability of pump.
Preferably, the described pump housing and pump cover all adopt "O"-ring sealing between (comprising first pump cover 2, second pump cover 3 and head cover plate 16).
Preferably, described left and right bearing 24a, 24b is selfaligning roller bearing; Between left bearing right side and the pump housing, between right bearing left side and the pump housing, be provided with oil sealing.(bearing of the present utility model adopts external structure, left and right bearing 24a, it is outer that 24b is arranged on chamber 35), between chamber and left and right bearing, increase oil sealing, without the vacuum oil lubricating bearings in pump housing chamber, and bearing is carried out to independent fuel feeding, the working life of improving bearing, (traditional sliding valve vacuum pump was after the environment of many dust such as refining titanium industry works long hours, vacuum oil in pump housing chamber is vulnerable to pollute, if bearing adopts vacuum oil to be lubricated, very easily causes the life-span to be reduced).
Preferably, in described fuel tank, be provided with oil sump, be provided with two oil strainers in oil sump, the vacuum oil that makes to get back in pump housing chamber is clean clean.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (5)
1. a novel single cylinder single-stage sliding valve vacuum pump, comprise the pump housing, the top of the pump housing is provided with outlet valve, one side of the pump housing is provided with suction port, and suction port is communicated with the chamber of the pump housing, and the middle part of the pump housing is provided with pump shaft, the middle part of pump shaft is through described chamber and drive the guiding valve eccentric mechanism in chamber, the left and right end of pump shaft is located in respectively in left and right bearing, it is characterized in that, described left and right bearing is separately positioned on the pump cover in chamber outside; The left end of described pump shaft is connected with motor by driving mechanism, and motor is directly fixed on the motor cabinet at pump housing top; The outlet of described outlet valve is connected with deaerator, the external left rear side at the pump housing of deaerator, and fuel tank is fixed on the base of pump housing rear side, and is communicated with the pump housing by transport pipe.
2. a kind of novel single cylinder single-stage sliding valve vacuum pump according to claim 1, is characterized in that, the suction port place of the described pump housing is provided with suction port filter screen.
3. a kind of novel single cylinder single-stage sliding valve vacuum pump according to claim 1, is characterized in that, all adopts "O"-ring sealing between the described pump housing and pump cover.
4. a kind of novel single cylinder single-stage sliding valve vacuum pump according to claim 1, is characterized in that, described left and right bearing is selfaligning roller bearing; Between left bearing right side and the pump housing, between right bearing left side and the pump housing, be provided with oil sealing.
5. a kind of novel single cylinder single-stage sliding valve vacuum pump according to claim 1, is characterized in that, in described fuel tank, is provided with oil sump, is provided with two oil strainers in oil sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111515.4U CN203770133U (en) | 2014-03-12 | 2014-03-12 | Novel single-cylinder single-stage siding valve vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111515.4U CN203770133U (en) | 2014-03-12 | 2014-03-12 | Novel single-cylinder single-stage siding valve vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770133U true CN203770133U (en) | 2014-08-13 |
Family
ID=51287330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420111515.4U Expired - Fee Related CN203770133U (en) | 2014-03-12 | 2014-03-12 | Novel single-cylinder single-stage siding valve vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542662A (en) * | 2017-08-19 | 2018-01-05 | 浙江力鑫真空设备有限公司 | A kind of portable Roots's guiding valve vacuum pump set |
| CN109026700A (en) * | 2018-08-22 | 2018-12-18 | 中北大学 | A kind of parallel sliding valve vacuum pump of motor direct connection |
-
2014
- 2014-03-12 CN CN201420111515.4U patent/CN203770133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542662A (en) * | 2017-08-19 | 2018-01-05 | 浙江力鑫真空设备有限公司 | A kind of portable Roots's guiding valve vacuum pump set |
| CN109026700A (en) * | 2018-08-22 | 2018-12-18 | 中北大学 | A kind of parallel sliding valve vacuum pump of motor direct connection |
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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: 20140813 Termination date: 20150312 |
|
| EXPY | Termination of patent right or utility model |