CN204358405U - A kind of plunger type lubrication oil pump - Google Patents
A kind of plunger type lubrication oil pump Download PDFInfo
- Publication number
- CN204358405U CN204358405U CN201420826169.8U CN201420826169U CN204358405U CN 204358405 U CN204358405 U CN 204358405U CN 201420826169 U CN201420826169 U CN 201420826169U CN 204358405 U CN204358405 U CN 204358405U
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- plunger
- oil
- transmission shaft
- mat
- axle sleeve
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Abstract
The utility model proposes a kind of plunger type lubrication oil pump, comprise pump assembly, pump assembly arranged filler opening and oil outlet and form oil storage cavity in it, also comprise the plunger bushing assembly and plunger assembly that are positioned at oil storage cavity, plunger bushing assembly comprises the transmission shaft rotatably arranged relative to pump assembly, the driving end at the two ends being fixedly installed on transmission shaft respectively and axle sleeve; Plunger assembly comprises the plunger axis arranged in coaxial direction with transmission shaft and the plunger mat be fixedly installed on plunger axis, transmission shaft is arranged and is actively plugged in movable shoe cream room in it for plunger axis, corresponding plunger mat and axle sleeve circumference links and to arrange and axis activity coordinates, plunger mat arranges axial cam face back to the end face in axle sleeve, oil storage cavity internal fixtion arranges the driving block corresponding with axial cam face, also arrange between plunger mat and axle sleeve Compress Spring make the axial cam face of plunger mat in the axial direction elasticity be butted on driving block; The utility model has better structure stability, is convenient to assembling and maintenance simultaneously.
Description
Technical field
The utility model relates to a kind of oil pump, particularly relates to a kind of plunger type lubrication oil pump.
Background technique
Plunger type lubrication oil pump of the prior art, by the pump housing, live axle, running shaft, plunger, the component compositions such as rased panel, live axle relies on the transmission of exterior power to realize rotating, live axle is the rotation of driven rotary axle then, running shaft is equipped with plunger, plunger can stretch flexibly in running shaft, plunger under the action of the spring tightly prop up rased panel, during oil pump work, plunger constantly does fore and aft motion under the control of rased panel in rotation, volume in running shaft is changed, when plunger stretches out, the cavity that running shaft is corresponding with plunger produces negative pressure, in lubricant oil turnover running shaft, when plunger is retracted, the cavity that running shaft is corresponding with plunger produces positive pressure, lubricant oil is extruded running shaft, lubricant oil enters transport pipe through the oil outlet of the pump housing, running shaft is from turning around, oil pump just completes an oil transportation, the working principle of oil pump mainly relies on plunger constantly to stretch lubrication, the quality of fit of plunger and running shaft requires higher, through use after a while, once when having impurity in lubricant oil, will affect plunger and running shaft is slidably matched, the elastic force of spring can not make plunger stretch out, although running shaft is in rotation, but plunger can not stretch out flexibly and retract, the circulation that can not realize lubricant oil exports.
Model utility content
Based on the problems referred to above, the utility model object is to provide a kind of plunger type lubrication oil pump, has better structure stability, is convenient to assembling and maintenance simultaneously.
For above problem, provide following technological scheme: a kind of plunger type lubrication oil pump, comprise pump assembly, pump assembly arranged filler opening and oil outlet and form oil storage cavity in it, it is characterized in that: also comprise the plunger bushing assembly and plunger assembly that are positioned at oil storage cavity, plunger bushing assembly comprises the transmission shaft rotatably arranged relative to pump assembly, the driving end at the two ends being fixedly installed on transmission shaft respectively and axle sleeve, and the driving end of transmission shaft extends to pump assembly outer end, plunger assembly comprises the plunger axis arranged in coaxial direction with transmission shaft and the plunger mat be fixedly installed on plunger axis, transmission shaft is arranged and is actively plugged in movable shoe cream room in it for plunger axis, corresponding plunger mat and axle sleeve circumference links and to arrange and axis activity coordinates, described plunger mat arranges axial cam face back to the end face in axle sleeve, oil storage cavity internal fixtion arranges the driving block corresponding with axial cam face, also arrange between plunger mat and axle sleeve Compress Spring make the axial cam face of plunger mat in the axial direction elasticity be butted on driving block, to be coordinated with driving block by its axial cam face during plunger mat circumferential movement and realize the axial stretching of plunger axis at movable shoe cream room, also arrange in oil storage cavity and be convenient to transmission shaft rotating retainer within it, the side face of transmission shaft is also arranged the radial oil transportation hole being communicated in movable shoe cream room, retainer arranges the first oil discharge passage being communicated in oil storage cavity and the second oil discharge passage being communicated in oil outlet respectively at its circumferential position, and alternate communication is successively rotated by the circumference of transmission shaft in retainer in radial oil transportation hole makes movable shoe cream room produce negative pressure and malleation in the first oil discharge passage and the second oil discharge passage.
Pass through said structure, transmission shaft propeller shaft sleeve circumference under the effect of its driving end is rotated, the synchronous circumference of axle sleeve drive post obturating plug is rotated, under the effect of Compress Spring, the axial cam face of plunger mat coordinates with the activity of corresponding driving block axial elasticity makes plunger mat produce axial reciprocating movement, the corresponding axial stretching of plunger axis in movable shoe cream room realizes the change of its volume, thus make movable shoe cream room produce malleation and negative pressure, when movable shoe cream room is communicated in the first oil discharge passage, under the effect of negative pressure, machine oil enters in movable shoe cream room; Movable shoe cream room leads to when the second oil discharge passage, and under the effect of malleation, machine oil is discharged by oil outlet under the effect of the pressure by the second oil discharge passage.
The utility model is also set to further, described axial cam face be included in same circumferentially arrange arc convex portion, arc-shaped concave portion and two curved surface active parts being connected between the two.
Pass through said structure, when driving block slides to arc-shaped concave portion from arc convex portion in axial cam face, driving block is butted on corresponding curved surface active part, now, movable shoe cream room is communicated in the first oil discharge passage, and plunger axis carries out sliding axially stretching out in movable shoe cream room, and movable shoe cream room volume becomes large gradually, produce negative pressure in oil storage cavity, machine oil enters movable shoe cream room; When driving block arrives arc-shaped concave, plunger axis arrives the limit position stretched out that slides axially in movable shoe cream room, is full of machine oil in movable shoe cream room; Plunger mat is rotated further, driving block is butted on arc-shaped concave portion, until movable shoe cream room is communicated in the second oil discharge passage, now, driving block carries out sliding from arc-shaped concave portion to arc convex portion and is positioned at curved surface active part, and plunger axis bounces back relative to movable shoe cream room, produces positive pressure, plunger axis arrives the extreme position of retraction relative to movable shoe cream room, and it is fuel-displaced to carry out pressure.
The utility model is also set to further, described axle sleeve is arranged the insert-connecting plate that axial direction extends, and plunger mat is arranged the mating groove for the axial activity grafting of insert-connecting plate, is convenient to realize plunger mat and link with axle sleeve circumference and axial activity coordinates.
The utility model is also set to further, and described driving end arranges the driving gear being convenient to transmission.The transmission of transmission shaft is realized by driving gear and clutch end.
The utility model is also set to further, described pump assembly is arranged the pressure-limit valve being used for oil storage cavity being carried out to pressure release.When the pressure of oil storage cavity is excessive, machine oil can be discharged in this pressure-limit valve.
The utility model is also set to further, and described pump assembly comprises pump housing housing and pump cover and both are tightly connected.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil pump in the utility model embodiment;
Fig. 2 is the structural representation of oil pump right elevation in the utility model embodiment;
Fig. 3 is the cross-sectional view of Fig. 2 on A-A direction;
Fig. 4 is plunger bushing assembly and plunger assembly cooperating structure schematic diagram in the utility model embodiment;
Fig. 5 is the structural representation of plunger mat in the utility model embodiment.
Number in the figure implication: 1-pump assembly; 1a-pump housing housing; 1b-pump cover; 1c-oil storage cavity; 11-filler opening; 12-oil outlet; 13-driving block; 14-pressure-limit valve; 15-retainer; 15a-first oil discharge passage; 15b-second oil discharge passage; 2-plunger bushing assembly; 21-transmission shaft; The movable shoe cream room of 21a-; The radial oil transportation hole of 21b-; 22-driving gear; 23-axle sleeve; 231-insert-connecting plate; 24-Compress Spring; 3-plunger assembly; 31-plunger mat; 311-axial cam face; 31a-arc convex portion; 31b-curved surface active part; 31c-arc-shaped concave portion; 31d-curved surface active part; 31e-mating groove; 32-plunger axis.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Shown in composition graphs 1 to Fig. 5, a kind of plunger type lubrication oil pump, comprise pump assembly 1, pump assembly 1 comprises pump housing housing 1a and pump cover 1b and both are tightly connected, pump assembly 1 arranged filler opening 11 and oil outlet 12 and form oil storage cavity 1c in it, also comprise the plunger bushing assembly 2 and plunger assembly 3 that are positioned at oil storage cavity 1c, plunger bushing assembly 2 comprises the transmission shaft 21 rotatably arranged relative to pump assembly 1, be fixedly installed on driving end and the axle sleeve 23 at the two ends of transmission shaft 21 respectively, the driving end of transmission shaft 21 extends to pump assembly 1 outer end, in the present embodiment, driving end is driving gear 22, the transmission of transmission shaft 21 is realized by driving gear 22 and clutch end, plunger assembly 3 comprises the plunger axis 32 arranged in coaxial direction with transmission shaft 21 and the plunger mat 31 be fixedly installed on plunger axis 32, transmission shaft 21 is arranged and is actively plugged in movable shoe cream room 21a in it for plunger axis 32, corresponding plunger mat 31 and axle sleeve 23 be circumferential to link and to arrange and axial activity grafting coordinates, plunger mat 31 arranges axial cam face 311 back to the end face in axle sleeve 23, oil storage cavity 1c internal fixtion arranges the driving block 13 corresponding with axial cam face 311, also arrange between plunger mat 31 and axle sleeve 23 Compress Spring 24 make the axial cam face 311 of plunger mat 31 in the axial direction elasticity be butted on driving block 13, to be coordinated with driving block 13 by its axial cam face 311 during plunger mat 31 circumferential movement and realize the axial stretching of plunger axis 32 at movable shoe cream room 21a, also arrange in oil storage cavity 1c and be convenient to transmission shaft 21 rotating retainer 15 within it, the side face of transmission shaft 21 is also arranged the radial oil transportation hole 21b being communicated in movable shoe cream room 21a, retainer 15 arranges the first oil discharge passage 15a being communicated in oil storage cavity 1c and the second oil discharge passage 15b being communicated in oil outlet 12 respectively at its circumferential position, and radial oil transportation hole 21b rotates alternate communication successively by the circumference of transmission shaft 21 in retainer 15 makes movable shoe cream room 21a produce negative pressure and malleation in the first oil discharge passage 15a and the second oil discharge passage 15b.Transmission shaft 21 propeller shaft sleeve 23 circumference under the effect of its driving end is rotated, the synchronous circumference of axle sleeve 23 drive post obturating plug 31 is rotated, under the effect of Compress Spring 24, the axial cam face 311 of plunger mat 31 coordinates with the activity of corresponding driving block 13 axial elasticity makes plunger mat 31 produce axial reciprocating movement, corresponding plunger axis 32 produces the change that axial stretching realizes its volume in movable shoe cream room 21a, thus make movable shoe cream room 21a produce malleation and negative pressure, when movable shoe cream room 21a is communicated in the first oil discharge passage 15a, under the effect of negative pressure, machine oil enters in movable shoe cream room 21a, when movable shoe cream room 21a is communicated in the second oil discharge passage 15b, under the effect of malleation, machine oil is discharged by oil outlet 12 under the effect of the pressure by the second oil discharge passage 15b.
As shown in Figure 3, in the present embodiment, pump assembly 1 is arranged the pressure-limit valve 14 being used for oil storage cavity 1c being carried out to pressure release.When the pressure of oil storage cavity 1c is excessive, machine oil can be discharged in this pressure-limit valve 14.
As shown in Figure 4, in the present embodiment, axle sleeve 23 is arranged the insert-connecting plate 231 that axial direction extends, plunger mat 31 is arranged the mating groove 31e for the axial activity grafting of insert-connecting plate 231, be convenient to realize plunger mat 31 link with axle sleeve 23 circumference and axially activity coordinates, realize plunger mat 31 to rotate relative to the circumferential clocking of turbine of axle sleeve 23, can to slide axially setting relative to axle sleeve 23 at the driving lower prop obturating plug 31 of compression press spring.
As shown in Figure 5, in the present embodiment, axial cam face 311 is included in same the arc convex portion 31a, the arc-shaped concave portion 31c that circumferentially arrange and two the curved surface active part 31b be connected between the two and curved surface active part 31d; When driving block 13 slides to arc-shaped concave portion 31c from arc convex portion 31a in axial cam face 311, driving block 13 is butted on corresponding curved surface active part 31b, now, movable shoe cream room 21a is communicated in the first oil discharge passage 15a, plunger axis 32 carries out sliding axially stretching out in movable shoe cream room 21a, movable shoe cream room 21a volume becomes large gradually, and produce negative pressure in oil storage cavity 1c, machine oil enters movable shoe cream room 21a; When driving block 13 arrives arc-shaped concave, plunger axis 32 arrives the limit position stretched out that slides axially in movable shoe cream room 21a, is full of machine oil in movable shoe cream room 21a; Plunger mat 31 is rotated further, driving block 13 is butted on arc-shaped concave portion 31c, until movable shoe cream room 21a is communicated in the second oil discharge passage 15b, now, driving block 13 carries out sliding from arc-shaped concave portion 31c to arc convex portion 31a and is positioned at curved surface active part 31, and plunger axis 32 bounces back relative to movable shoe cream room 21a, produces positive pressure, plunger axis 32 arrives the extreme position of retraction relative to movable shoe cream room 21a, and it is fuel-displaced to carry out pressure.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. a plunger type lubrication oil pump, comprise pump assembly, pump assembly arranged filler opening and oil outlet and form oil storage cavity in it, it is characterized in that: also comprise the plunger bushing assembly and plunger assembly that are positioned at oil storage cavity, plunger bushing assembly comprises the transmission shaft rotatably arranged relative to pump assembly, the driving end at the two ends being fixedly installed on transmission shaft respectively and axle sleeve, and the driving end of transmission shaft extends to pump assembly outer end, plunger assembly comprises the plunger axis arranged in coaxial direction with transmission shaft and the plunger mat be fixedly installed on plunger axis, transmission shaft is arranged and is actively plugged in movable shoe cream room in it for plunger axis, corresponding plunger mat and axle sleeve circumference links and to arrange and axis activity coordinates, described plunger mat arranges axial cam face back to the end face in axle sleeve, oil storage cavity internal fixtion arranges the driving block corresponding with axial cam face, also arrange between plunger mat and axle sleeve Compress Spring make the axial cam face of plunger mat in the axial direction elasticity be butted on driving block, to be coordinated with driving block by its axial cam face during plunger mat circumferential movement and realize the axial stretching of plunger axis at movable shoe cream room, also arrange in oil storage cavity and be convenient to transmission shaft rotating retainer within it, the side face of transmission shaft is also arranged the radial oil transportation hole being communicated in movable shoe cream room, retainer arranges the first oil discharge passage being communicated in oil storage cavity and the second oil discharge passage being communicated in oil outlet respectively at its circumferential position, and alternate communication is successively rotated by the circumference of transmission shaft in retainer in radial oil transportation hole makes movable shoe cream room produce negative pressure and malleation in the first oil discharge passage and the second oil discharge passage.
2. plunger type lubrication oil pump according to claim 1, is characterized in that: described axial cam face be included in same circumferentially arrange arc convex portion, arc-shaped concave portion and two curved surface active parts being connected between the two.
3. plunger type lubrication oil pump according to claim 1 and 2, is characterized in that: described axle sleeve is arranged the insert-connecting plate that axial direction extends, and plunger mat is arranged the mating groove for the axial activity grafting of insert-connecting plate.
4. plunger type lubrication oil pump according to claim 1 and 2, is characterized in that: described driving end arranges the driving gear being convenient to transmission.
5. plunger type lubrication oil pump according to claim 1 and 2, is characterized in that: described pump assembly is arranged the pressure-limit valve being used for oil storage cavity being carried out to pressure release.
6. plunger type lubrication oil pump according to claim 1 and 2, is characterized in that: described pump assembly comprises pump housing housing and pump cover and both are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826169.8U CN204358405U (en) | 2014-12-24 | 2014-12-24 | A kind of plunger type lubrication oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826169.8U CN204358405U (en) | 2014-12-24 | 2014-12-24 | A kind of plunger type lubrication oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204358405U true CN204358405U (en) | 2015-05-27 |
Family
ID=53259875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826169.8U Expired - Fee Related CN204358405U (en) | 2014-12-24 | 2014-12-24 | A kind of plunger type lubrication oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204358405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249172A (en) * | 2023-10-13 | 2023-12-19 | 浙江中达精密部件股份有限公司 | Sliding bearing system for wind power equipment |
-
2014
- 2014-12-24 CN CN201420826169.8U patent/CN204358405U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117249172A (en) * | 2023-10-13 | 2023-12-19 | 浙江中达精密部件股份有限公司 | Sliding bearing system for wind power equipment |
| CN117249172B (en) * | 2023-10-13 | 2024-04-09 | 浙江中达精密部件股份有限公司 | Sliding bearing system for wind power equipment |
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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: 20150527 Termination date: 20161224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |