CN202326255U - Oil supply system of slide valve vacuum pump - Google Patents
Oil supply system of slide valve vacuum pump Download PDFInfo
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- CN202326255U CN202326255U CN2011204569668U CN201120456966U CN202326255U CN 202326255 U CN202326255 U CN 202326255U CN 2011204569668 U CN2011204569668 U CN 2011204569668U CN 201120456966 U CN201120456966 U CN 201120456966U CN 202326255 U CN202326255 U CN 202326255U
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- oil
- pump
- supply system
- main shaft
- oil supply
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Abstract
The utility model provides an oil supply system of a slide valve vacuum pump, belongs to the technical field of machinery, and solves the problem of instable oil supply of the oil supply system of the conventional slide valve vacuum pump. The oil supply system of the slide valve vacuum pump comprises an oil pump, an oil passing hole and a communicating structure, wherein the oil passing hole is positioned at the axis of a main shaft; the communicating structure is positioned in a slide valve eccentric wheel mechanism for communicating the oil passing hole with a pump chamber; an oil inlet of the oil pump is communicated with an oil storage tank; and an oil outlet of the oil pump is communicated with the oil passing hole. According to the oil supply system of the slide valve vacuum pump, the oil pump is used for supplying oil, so that the continuity and the stability for oil supply can be guaranteed; the outlet of the oil pump is communicated with the oil passing hole on the main shaft through a transition chamber, so that oil can stably enter the oil passing hole when the main shaft rotates at a high speed; and the oil is led into the pump chamber through an oil gap by the communicating structure, metal scraps on the side wall of the pump chamber are washed away by the oil, and the oil has a cooling effect on the pump chamber.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the oil supply system of a kind of sliding valve vacuum pump, particularly a kind of sliding valve vacuum pump.
Background technique
Sliding valve style oil sealing mechanical pump is called for short slide valve pump, is a kind of variable capacity gas transmission pump, and the inner chamber of slide valve pump is divided into air-inlet cavity and calms the anger the chamber, through changing the size that eccentric stiffener changes the air-inlet cavity and the chamber of calming the anger, the air in the container is extracted out.Sliding valve vacuum pump is compared with sliding vane rotary vacuum pump, and it is big to have a volume, the advantage of economy and durability.
Because the friction of eccentric stiffener and pump chamber is bigger, slide valve pump need adopt lubricant oil to be lubricated usually.For example, Chinese patent [patent No. ZL200820164142.1; Notice of authorization CN201255115Y] a kind of forced lubrication type high-speed sliding valve vacuum pump disclosed; It comprises the pump housing; Guiding valve through eccentric rotor, main shaft and guiding valve guide rail location is housed in the active chamber, and corresponding main shaft is equipped with plurality of rolling bearings, and the pump cover of band relief opening is housed on the pump housing; Be provided with the outlet valve that is communicated with relief opening in the pump housing; Main shaft is provided with spill port, and the guiding valve guide rail all has the axial distribution oil guide slot on the inside and outside surface, is provided with fuel tank in the pump in the pump housing; Fuel tank connects the little oil pump of a band oil distributor, and oil distributor is transported to rolling bearing, main axis rotation sealing oil sealing, guiding valve guide rail and guiding valve revolute pair, eccentric rotor and guiding valve revolute pair through some transport pipe with lubricant oil.
Above-mentioned forced lubrication type high-speed sliding valve vacuum pump can play lubrication; But; This forced lubrication type high-speed sliding valve vacuum pump is transported to lubricant oil through oil distributor through oil guide pipe need lubricated position; Because the lubricant housings is all to be in the high-speed rotation state in work, such structure can cause lubricated oil supplying unstable.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of oil supply system of sliding valve vacuum pump, and the problem that the utility model solves is to make the fluid supply that is used to lubricate of sliding valve vacuum pump more stable.
The purpose of the utility model can realize through following technical proposal: a kind of oil supply system of sliding valve vacuum pump, sliding valve vacuum pump comprise the pump housing with pump chamber, be fixed on fuel reserve tank on the pump housing, be located in the main shaft at pump chamber place and be connected the guiding valve eccentric mechanism on the main shaft; It is characterized in that; This oil supply system comprises oil pump, be positioned at main shaft the place, axle center oil through and be positioned at the connectivity structure of guiding valve eccentric mechanism connection oil through and pump chamber; The filler opening of described oil pump is connected with fuel reserve tank, and the outlet oil of oil pump is connected with oil through.
The oil supply system of this sliding valve vacuum pump is transported to the oil through of the fluid in the fuel reserve tank via the spindle axis place in the guiding valve eccentric mechanism through oil pump, and through logical oily structure fluid is delivered in the pump chamber, realizes lubricating guiding valve eccentric mechanism and pump chamber.The oil pump of the oil supply system of this sliding valve vacuum pump is tight with connecting of oil through, and the supply of fluid is stable.
In the oil supply system of above-mentioned sliding valve vacuum pump, the pump case of described oil pump is fixed on the pump housing, and the input shaft of described oil pump is connected with an end of main shaft.Main shaft drives input shaft, and the power of oil pump delivering oil is provided.
In the oil supply system of above-mentioned sliding valve vacuum pump, the input shaft of described oil pump is connected with an end of main shaft through shaft coupling.Make main shaft can drive input shaft and rotate, being connected of main shaft and input shaft is reliable.
In the oil supply system of above-mentioned sliding valve vacuum pump, form a fluid adapter cavity between the pump case of described oil pump and the pump housing, the outlet of described oil pump is connected with oil through through the fluid adapter cavity.In the sliding valve vacuum pump working procedure, the main shaft high-speed rotation can make fluid stably get in the oil through through adapter cavity, makes the conveying of fluid more steady.
In the oil supply system of above-mentioned sliding valve vacuum pump, described guiding valve eccentric mechanism comprises eccentric wheel, guiding valve and guide rail; Described eccentric wheel is fixedly connected with main shaft, and described guide rail is located in the pump housing; Described guiding valve comprises slip ring portion and the link rod part that is positioned at the slip ring portion outside, and described slip ring portion is set on the eccentric wheel, and described link rod part is located on the guide rail; Have communication passage on the described link rod part, described gas-entered passageway is connected through communication passage with pump chamber.The guiding valve eccentric mechanism is used to change the size in the interior air-inlet cavity of pump chamber and the chamber of calming the anger, the process that realizes carrying air.
In the oil supply system of above-mentioned sliding valve vacuum pump, described pump chamber is separated and is several chambers, and each chamber all is connected with oil through through the connectivity structure of correspondence.Realization fuel feeding the time to each chamber.
In the oil supply system of above-mentioned sliding valve vacuum pump, the mistake oil-gap between the slip ring end surface that described connectivity structure comprises the intercommunicating pore that on eccentric wheel and joint that main shaft links to each other, is communicated with the slip ring portion inner chamber of oil through and guiding valve, guiding valve and the pump chamber end face.Fluid can get in the pump chamber along crossing oil-gap through attachment hole, and pump chamber is lubricated.
In the oil supply system of above-mentioned sliding valve vacuum pump, described oil through is positioned at the middle part of the joint that eccentric wheel links to each other with main shaft.
Compared with prior art, the advantage of the oil supply system of this sliding valve vacuum pump is:
1, the employing oil pump feed of the oil supply system of this sliding valve vacuum pump can guarantee the persistency of fuel feeding and stablizing of fuel feeding.
2, the outlet of the oil supply system oil pump of this sliding valve vacuum pump and the oil through on the main shaft are connected through adapter cavity, and fluid can stably get in the oil through during main shaft high speed rotating.
3, the connectivity structure of the oil supply system of this sliding valve vacuum pump can import fluid in the pump chamber along crossing oil-gap, and fluid washes away the metal fragment on the pump chamber sidewall and pump chamber played cooling action.
Description of drawings
Fig. 1 is the sectional structure schematic representation of the oil supply system of this sliding valve vacuum pump.
Fig. 2 is the sectional structure schematic representation on another direction of oil supply system of this sliding valve vacuum pump
Among the figure, 1, the pump housing; 2, pump chamber; 21, air-inlet cavity; 22, the chamber of calming the anger; 23, cross oil-gap; 3, fuel reserve tank; 4, main shaft; 41, oil through; 5, oil pump; 51, output shaft; 6, shaft coupling; 7, adapter cavity; 8, eccentric wheel; 81, intercommunicating pore; 9, guiding valve; 91, slip ring portion; 92, link rod part; 93, communication passage; 10, guide rail.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
Sliding valve vacuum pump is a kind of variable capacity gas transmission pump, comprises the pump housing 1, pump chamber 2, fuel reserve tank 3, main shaft 4 and guiding valve eccentric mechanism.The oil supply system of this sliding valve vacuum pump is arranged on the sliding valve vacuum pump, comprises oil pump 5, oil through 41 and connectivity structure.
Specifically, as depicted in figs. 1 and 2, fuel reserve tank 3 is fixed on the pump housing 1, and main shaft 4 is located in pump chamber 2 places, and the guiding valve eccentric mechanism is connected on the main shaft 4.The guiding valve eccentric mechanism is used to change the size in the pump chamber 2 interior air-inlet cavitys 21 and the chamber 22 of calming the anger, the process that realizes carrying air.The guiding valve eccentric mechanism comprises eccentric wheel 8, guiding valve 9 and guide rail 10, and eccentric wheel 8 connects through key and main shaft 4 fixes, and guide rail 10 is located in the pump housing 1.Guiding valve 9 comprises slip ring portion 91 and the link rod part 92 that is positioned at slip ring portion 91 outsides, and slip ring portion 91 is set on the eccentric wheel 8, and link rod part 92 is located on the guide rail 10, has communication passage 93 on the link rod part 92, and gas-entered passageway is connected through communication passage 93 with pump chamber 2.
As shown in Figure 2, the pump case of oil pump 5 is fixed on the pump housing 1 of sliding valve vacuum pump, and the output shaft 51 of oil pump 5 links to each other through shaft coupling 6 with main shaft 4, and main shaft 4 can drive output shaft 51 and rotate, for oil pump 5 delivering oils provide power.The filler opening of oil pump 5 is connected with fuel reserve tank 3, and the outlet oil of oil pump 5 is connected with oil through 41.Oil through 41 is opened on the main shaft 4 along axis direction, and oil through 41 is positioned at the middle part of the joint that eccentric wheel 8 links to each other with main shaft 4.The one end sealing of oil through 41, the outlet of the other end and oil pump 5 links.In the present embodiment, form a fluid adapter cavity 7 between the pump case of oil pump 5 and the pump housing 1, the outlet of oil pump 5 is connected with oil through 41 through fluid adapter cavity 7.
The working principle of the oil supply system of this sliding valve vacuum pump is: the oil supply system of this sliding valve vacuum pump is located the fluid of 3 li of fuel reserve tanks through oil pump 5 via main shaft 4 axle center oil through 41 is transported in the eccentric wheel 8; And through intercommunicating pore 81 with cross oil-gap 23 fluid be delivered in the pump chamber 2, realize lubricating to inclined to one side slide valve core wheel mechanism and pump chamber 2.The oil pump 5 of the oil supply system of this sliding valve vacuum pump is tight with connecting of oil through 41; The supply of fluid is stable; And fluid can wash the inwall of pump chamber 2 and dispel the heat in getting into pump chamber 2 time, makes attached to the metal fragment on pump chamber 2 inwalls can be cleaned totally.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used the pump housing 1, pump chamber 2, air-inlet cavity 21, the chamber 22 of calming the anger, crossed terms such as oil-gap 23, fuel reserve tank 3, main shaft 4, oil through 41, oil pump 5, output shaft 51, shaft coupling 6, adapter cavity 7, eccentric wheel 8, intercommunicating pore 81, guiding valve 9, slip ring portion 91, link rod part 92, communication passage 93, guide rail 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. the oil supply system of a sliding valve vacuum pump, sliding valve vacuum pump comprise have pump chamber (2) the pump housing (1), be fixed on fuel reserve tank (3) on the pump housing (1), be located in the main shaft (4) that pump chamber (2) locates and be connected the guiding valve eccentric mechanism on the main shaft (4); It is characterized in that; This oil supply system comprises oil pump (5), be positioned at the oil through (41) and the connectivity structure that is positioned at guiding valve eccentric mechanism connection oil through (41) and pump chamber (2) at the place, axle center of main shaft (4); The filler opening of described oil pump (5) is connected with fuel reserve tank (3), and the outlet oil of oil pump (5) is connected with oil through (41).
2. the oil supply system of sliding valve vacuum pump according to claim 1 is characterized in that, the pump case of described oil pump (5) is fixed on the pump housing (1), and the input shaft of described oil pump (5) is connected with an end of main shaft (4).
3. the oil supply system of sliding valve vacuum pump according to claim 2 is characterized in that, the input shaft of described oil pump (5) is connected through the end of shaft coupling (6) with main shaft (4).
4. the oil supply system according to claim 1 or 2 or 3 described sliding valve vacuum pumps is characterized in that; Form a fluid adapter cavity (7) between the pump case of described oil pump (5) and the pump housing (1), the outlet of described oil pump (5) is connected with oil through (41) through fluid adapter cavity (7).
5. the oil supply system according to claim 1 or 2 or 3 described sliding valve vacuum pumps is characterized in that, described guiding valve eccentric mechanism comprises eccentric wheel (8), guiding valve (9) and guide rail (10); Described eccentric wheel (8) is fixedly connected with main shaft (4), and described guide rail (10) is located in the pump housing (1); Described guiding valve (9) comprises slip ring portion (91) and is positioned at the link rod part (92) in slip ring portion (91) outside, and described slip ring portion (91) is set on the eccentric wheel (8), and described link rod part (92) is located on the guide rail (10); Have communication passage (93) on the described link rod part (92), described gas-entered passageway is connected through communication passage (93) with pump chamber (2).
6. the oil supply system according to claim 1 or 2 or 3 described sliding valve vacuum pumps is characterized in that, described pump chamber (2) is separated and is several chambers, and each chamber all is connected with oil through (41) through corresponding connectivity structure.
7. the oil supply system of sliding valve vacuum pump according to claim 5 is characterized in that, described connectivity structure comprises crosses oil-gap (23) between slip ring portion (91) end face that is positioned at the intercommunicating pore (81) that is communicated with slip ring portion (91) inner chamber of oil through (41) and guiding valve (9) on eccentric wheel (8) and the joint that main shaft (4) links to each other, guiding valve (9) and pump chamber (2) end face.
8. the oil supply system of sliding valve vacuum pump according to claim 5 is characterized in that, described oil through (41) is positioned at the middle part of the joint that eccentric wheel (8) links to each other with main shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204569668U CN202326255U (en) | 2011-11-17 | 2011-11-17 | Oil supply system of slide valve vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204569668U CN202326255U (en) | 2011-11-17 | 2011-11-17 | Oil supply system of slide valve vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326255U true CN202326255U (en) | 2012-07-11 |
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ID=46438237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204569668U Expired - Fee Related CN202326255U (en) | 2011-11-17 | 2011-11-17 | Oil supply system of slide valve vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775340A (en) * | 2014-02-24 | 2014-05-07 | 扬州大学 | Top-plate type vacuum pump for eccentric wheel |
-
2011
- 2011-11-17 CN CN2011204569668U patent/CN202326255U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775340A (en) * | 2014-02-24 | 2014-05-07 | 扬州大学 | Top-plate type vacuum pump for eccentric wheel |
| CN103775340B (en) * | 2014-02-24 | 2016-06-29 | 扬州大学 | Eccentric top plate type vacuum pump |
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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: 20120711 Termination date: 20151117 |
|
| EXPY | Termination of patent right or utility model |