CN201100515Y - Pole piston lubrication pump - Google Patents
Pole piston lubrication pump Download PDFInfo
- Publication number
- CN201100515Y CN201100515Y CNU2007200414337U CN200720041433U CN201100515Y CN 201100515 Y CN201100515 Y CN 201100515Y CN U2007200414337 U CNU2007200414337 U CN U2007200414337U CN 200720041433 U CN200720041433 U CN 200720041433U CN 201100515 Y CN201100515 Y CN 201100515Y
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- CN
- China
- Prior art keywords
- plunger
- cylinder body
- housing
- lubricant pump
- eccentric wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A plunger lubricating pump is provided with a speed reduction motor and a cylinder body, wherein a plunger is arranged in the cylinder body, and an outlet port is positioned on the upper end surface of the cylinder body, an opening is arranged on the lower end of the cylinder body, and the casing of the speed reduction motor is connected with a shell on which an inlet port and at least one outlet port are arranged, each outlet port is connected with a cylinder body, a limit member is arranged at the opening of the cylinder body, the lower end of the plunger in each cylinder body cavity extends into the shell via the limit member, eccentric wheels in one-to-one correspondence with the plungers are arranged in the shell, each eccentric wheel is fixed on a main shaft which is connected with the output shaft of the speed reduction motor, the two ends of the main shaft are connected on the shell, an axial inlet port is arranged on the limit member, a first one-way valve is positioned between the upper end of the plunger and the cylinder body, and a plunger offsetting spring is arranged in the cylinder body. The plunger lubricating pump can accurately control flow capacity due to that the eccentric wheels directly drive the plunger to move to-and-fro, moreover, due to the adjustable holding capacity of the oil chamber of the cylinder body, the flow capacity of the plunger lubricating pump can be adjusted, and oil can be supplied in small flow capacity.
Description
Technical field
The present invention relates to a kind of Hudrodynamic lubrication pump.
Background technique
The plunger lubricant pump is to rely on plunger to-and-fro motion in cylinder body, the seal operation volume is changed realize oil suction and press oil.Present plunger lubricant pump, fuel-displaced aperture have only one, and generally the lubricant oil from the output of fuel-displaced aperture also needs to be divided into the conveying of multitube road, can not guarantee that the flow size of each pipeline meets the requirements.And lubricant pump all is a cut-off lubricant oil at present, and very difficult accurately control of flow and flow were adjustable for once oily in the shortest 3 minutes.
The model utility content
The purpose of this utility model is to provide a kind of flow accurately to control, convenience is adjusted and the plunger lubricant pump of energy multitube road fuel feeding.
The utlity model has reducing motor and cylinder body, be provided with plunger in the cylinder body, the upper-end surface of cylinder body is provided with oil outlet, the lower ending opening of cylinder body, for achieving the above object, the utility model is taked following technological scheme: the shell of above-mentioned reducing motor connects a housing, have oil inlet hole and more than one oil outlet on the housing, every oil outlet connects a cylinder body, the opening of cylinder body is provided with bounding means, the lower end of the plunger in each cylinder chamber is stretched in the housing by bounding means, is provided with in the housing and plunger eccentric wheel one to one, and each eccentric wheel is fixed on the main shaft that is connected with the reducing motor output shaft, the two ends of main shaft are automatically connected on the housing, above-mentioned bounding means is provided with the axial fuel inlet hole, is provided with first one-way valve between the upper end of plunger and the cylinder body, is provided with the plunger return spring in the cylinder body.
Described first one-way valve is the seal ring that is arranged in the plunger upper part circular groove, and plunger is provided with radial direction through hole on the circular groove position, be provided with the axial bore that is communicated with radial direction through hole on the upper-end surface.
The upper end of described cylinder body is connected with delivery connection.
Be provided with second one-way valve in the oil outlet of described cylinder body.
Described second one-way valve is made up of rubber pad and the spring that is sitting on the rubber pad.
Described inner chamber of cylinder block is up-small and down-big stepped cavity, and the plunger cylinder is provided with bulge loop, and the bulge loop 5-1 of plunger is in bounding means 3 tops, and above-mentioned plunger return spring is between plunger bulge loop and the cylinder body ladder surface.
The two ends of described main shaft be dynamically connected respectively first axle sleeve and second axle sleeve, described main shaft is fixed on the housing by first axle sleeve and second axle sleeve.
Described bounding means is the nut that is connected with the housing internal thread.
The utlity model has following good effect:
1, the utility model directly drives the plunger to-and-fro motion by eccentric wheel, so the accurate control flow rate of energy; Again since the volume of the accumulator of cylinder body can adjust, so flow of the present utility model is adjustable and can the small flow fuel feeding.
2, the utility model can be simultaneously to two with the upper pipeline fuel feeding.
3, the utility model compact structure, volume are little, and the eccentric wheel diameter can be less, and the distance that makes a round trip is short, and it is short to make it twice blanking time between the fuel feeding, and quite continuous oil supply provides good lubricating condition to equipment.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is an overall structure schematic representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Embodiment
Present embodiment has reducing motor 1 and housing 2, and the shell of reducing motor 1 is connected with housing 2, and housing 2 is provided with an oil inlet hole 2-1 and more than one oil outlet, and present embodiment has 2 oil outlets.Every oil outlet connects a cylinder body 4, and the upper-end surface of cylinder body 4 is provided with oil outlet 4-1, and connects delivery connection 12 in the upper end.The lower ending opening of cylinder body 4, opening are provided with a bounding means, and bounding means is the nut 3 that is connected with housing 2 internal threads, and stop nut 3 is provided with axial fuel inlet hole 3-1.Be provided with plunger 5 in the cylinder chamber, plunger 5 and have gap B on every side between the cylinder wall, the space of plunger 5 tops is accumulator A, and plunger 5 is provided with bulge loop 5-1, and the lower end of plunger 5 is stretched in the housing 2 by stop nut 3, and plunger bulge loop 5-1 is in stop nut 3 tops.5 position-limiting actions of 3 pairs of plungers of stop nut by adjusting the upper-lower position of stop nut 3, reach the purpose of adjusting accumulator A size.When rotating up stop nut 3, stop nut 3 is upwards lifted plunger 5 volume that dwindles accumulator A by the bulge loop 5-1 of plunger 5.
Be provided with respectively two eccentric wheels 8 relative in the described housing 2 with two plungers 5.Two eccentric wheels 8 all are fixed on the main shaft 9 that is connected with reducing motor output shaft 1-1, and be dynamically connected respectively first axle sleeve 10 and second axle sleeve, 11, the first axle sleeves 10 and second axle sleeve 11 of the two ends of main shaft 9 all is fixed on the housing 2.For preventing that lubricant oil from infiltrating motor, between first axle sleeve 10 of nearly motor output shaft 1-1 one end and housing 2, be provided with the seal ring 14 in embedding first axle sleeve 10 circular grooves.Each eccentric wheel 8 can be the connection of equidirectional with being connected of main shaft, and present embodiment promptly is the connection of equidirectional, 8 run-in synchronisms of two eccentric wheels, and the slip of two plungers 5 is consistent; Be connected with main shaft with different direction as eccentric wheel 8, then eccentric wheel 8 asynchronous runnings, the slip of two plungers 5 is inconsistent.Above-mentioned dual mode all is feasible.
Described cylinder body is provided with Returnning spring 7 in 4 chambeies.Cylinder body 4 inner chambers are up-small and down-big stepped cavity, and Returnning spring 7 is arranged between plunger bulge loop 5-1 and the cylinder body ladder surface 4-2.Returnning spring 7 also can be arranged in the accumulator A at plunger 5 tops.
Be provided with first one-way valve 6 between the upper end of described plunger 5 and the cylinder body 4, first one-way valve 6 is for being arranged on plunger 5 and the interior seal ring 6 of circular groove, plunger 5 is provided with radial direction through hole 5-2 on the circular groove position, be provided with the axial bore 5-3 that is communicated with radial direction through hole 5-2 on the upper-end surface.Be provided with second one-way valve, 11, the second one-way valves 13 in the oil outlet 4-1 of described cylinder body 4 and the oilhole of delivery connection 12 by rubber pad 13-2 be sitting in the spring 13-1 on the rubber pad 13-2 and form.
In the above-described embodiments, be provided with seal ring 17 between cylinder body 4 and the housing 2.Be provided with seal ring 15 between cylinder body 4 and the delivery connection 12.The upside of the ring groove that is provided as the seal ring 6 of one-way valve at plunger 5 is provided with another circular groove, and the seal ring 16 that seals is set in another circular groove.
When driving eccentric wheel 8, reducing motor 1 upwards rotates, promoting plunger 5 upwards slides, seal ring 6 advances with plunger 5, gap between plunger 5 and the cylinder body 4 is blocked, promptly first one-way valve is in closed condition, and this moment under the oil pressure effect, be in move on the rubber pad 13-2 among the cylinder body oil outlet 4-1 expose oilhole 4-1 promptly second one-way valve 13 open, by plunger 5 oil outlet 4-1 and the delivery connection 12 of the lubricant oil in the accumulator A by cylinder body 4 extruded.After plunger 5 slides into peak, eccentric wheel 8 rotates, promote the active force disappearance that plunger 5 upwards slides, plunger 5 glides under Returnning spring 7 effects, the suffered pressure of rubber pad 13-2 disappears, under spring 13-1 effect, reset, block the oil outlet 4-1 of cylinder body 4, promptly second one-way valve 13 is closed, this moment since seal ring 6 under the drag effect of cylinder body 4 and plunger 5, can not glide synchronously with plunger 5, gap between plunger 5 and the cylinder body 4 is exposed, i.e. first one-way valve opens, lubricant oil is through the axial fuel inlet hole of stop nut 3 3-1 in the housing chamber, gap B between plunger 5 and the cylinder body 4, the radial direction through hole 5-2 of plunger 5, the axial bore 5-3 of plunger 5 fills accumulator A, when plunger 5 arrived lowest order, accumulator A was in maximum capacity.
Claims (8)
1, a kind of plunger lubricant pump, have reducing motor (1) and cylinder body (4), be provided with plunger (5) in the cylinder body (4), the upper-end surface of cylinder body (4) is provided with oil outlet (4-1), the lower ending opening of cylinder body (4), it is characterized in that: the shell of above-mentioned reducing motor (1) connects a housing (2), have oil inlet hole (2-1) and more than one oil outlet on the housing (2), every oil outlet connects a cylinder body (4), the opening of cylinder body (4) is provided with bounding means (3), the lower end of the plunger in each cylinder chamber is stretched in the housing (2) by bounding means (3), be provided with in the housing (1) and plunger (5) eccentric wheel (8) one to one, each eccentric wheel (8) is fixed on the main shaft (9) that is connected with reducing motor output shaft (1-1), the two ends of main shaft (9) are automatically connected on the housing (2), above-mentioned bounding means (3) is provided with axial fuel inlet hole (3-1), is provided with first one-way valve (6) between the upper end of plunger (5) and the cylinder body (4), is provided with plunger return spring (7) in the cylinder body (4).
2, plunger lubricant pump according to claim 1, it is characterized in that: described first one-way valve (6) is for being arranged on the seal ring (6) in plunger (5) the upper, annular groove, plunger (5) is provided with radial direction through hole (5-2) on the circular groove position, be provided with the axial bore (5-3) that is communicated with radial direction through hole (5-2) on the upper-end surface.
3, plunger lubricant pump according to claim 1 is characterized in that: the upper end of described cylinder body (4) is connected with delivery connection (12).
4, plunger lubricant pump according to claim 3 is characterized in that: be provided with second one-way valve (13) in the oil outlet (4-1) of described cylinder body (4).
5, eccentric wheel plunger lubricant pump according to claim 4 is characterized in that: described second one-way valve (13) is made up of rubber pad (13-2) and the spring (13-1) that is sitting on the rubber pad (13-2).
6, eccentric wheel plunger lubricant pump according to claim 1, it is characterized in that: described cylinder body (4) inner chamber is up-small and down-big stepped cavity, plunger (5) cylinder is provided with bulge loop (5-1), the bulge loop 5-1 of plunger is in bounding means 3 tops, and above-mentioned plunger return spring (7) is between plunger bulge loop (5-1) and the cylinder body ladder surface (4-2).
7, eccentric wheel plunger lubricant pump according to claim 1, it is characterized in that: the two ends of described main shaft (9) be dynamically connected respectively first axle sleeve (10) and second axle sleeve (11), described main shaft (9) is fixed on the housing (2) by first axle sleeve (10) and second axle sleeve (11).
8, eccentric wheel plunger lubricant pump according to claim 1 is characterized in that: the nut of described bounding means (3) for being connected with housing (2) internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200414337U CN201100515Y (en) | 2007-08-06 | 2007-08-06 | Pole piston lubrication pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200414337U CN201100515Y (en) | 2007-08-06 | 2007-08-06 | Pole piston lubrication pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100515Y true CN201100515Y (en) | 2008-08-13 |
Family
ID=39937049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200414337U Expired - Fee Related CN201100515Y (en) | 2007-08-06 | 2007-08-06 | Pole piston lubrication pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100515Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141189A (en) * | 2010-12-09 | 2011-08-03 | 上海斐赛轴承科技有限公司 | Plunger-free two-channel output pump system |
| CN102588392A (en) * | 2011-12-26 | 2012-07-18 | 重庆大学 | Electric-hydraulic hybrid driving device |
| CN102767682A (en) * | 2012-07-31 | 2012-11-07 | 扬州市华能太阳能有限公司 | High-pressure electric lubricating grease filling device |
| CN103016937A (en) * | 2012-12-25 | 2013-04-03 | 中国矿业大学 | Multi-actuating travel and return travel irregularly-shaped wheel lubricating grease delivery device |
| CN103603746A (en) * | 2013-11-22 | 2014-02-26 | 南京理工大学 | Continuous gel and pasty propellant supply device for rocket engine |
| CN105371088A (en) * | 2014-08-29 | 2016-03-02 | 斯凯孚公司 | Synchronous hydraulic pump device |
| CN109973343A (en) * | 2019-03-29 | 2019-07-05 | 无锡市晟瑞机械电子有限公司 | The radial pump of integral plunger module |
-
2007
- 2007-08-06 CN CNU2007200414337U patent/CN201100515Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141189A (en) * | 2010-12-09 | 2011-08-03 | 上海斐赛轴承科技有限公司 | Plunger-free two-channel output pump system |
| CN102588392A (en) * | 2011-12-26 | 2012-07-18 | 重庆大学 | Electric-hydraulic hybrid driving device |
| CN102588392B (en) * | 2011-12-26 | 2014-12-17 | 重庆大学 | Electric-hydraulic hybrid driving device |
| CN102767682A (en) * | 2012-07-31 | 2012-11-07 | 扬州市华能太阳能有限公司 | High-pressure electric lubricating grease filling device |
| CN102767682B (en) * | 2012-07-31 | 2014-09-17 | 扬州市华能太阳能有限公司 | High-pressure electric lubricating grease filling device |
| CN103016937A (en) * | 2012-12-25 | 2013-04-03 | 中国矿业大学 | Multi-actuating travel and return travel irregularly-shaped wheel lubricating grease delivery device |
| CN103603746A (en) * | 2013-11-22 | 2014-02-26 | 南京理工大学 | Continuous gel and pasty propellant supply device for rocket engine |
| CN103603746B (en) * | 2013-11-22 | 2016-01-20 | 南京理工大学 | The sustainable supply device of gel lotion rocket motor propellant agent |
| CN105371088A (en) * | 2014-08-29 | 2016-03-02 | 斯凯孚公司 | Synchronous hydraulic pump device |
| CN109973343A (en) * | 2019-03-29 | 2019-07-05 | 无锡市晟瑞机械电子有限公司 | The radial pump of integral plunger module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20110806 |