CN204268048U - Large discharge oil pump - Google Patents
Large discharge oil pump Download PDFInfo
- Publication number
- CN204268048U CN204268048U CN201420768241.6U CN201420768241U CN204268048U CN 204268048 U CN204268048 U CN 204268048U CN 201420768241 U CN201420768241 U CN 201420768241U CN 204268048 U CN204268048 U CN 204268048U
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- Prior art keywords
- pump
- gear
- pump case
- oil pump
- oil
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Abstract
The utility model discloses a kind of large discharge oil pump, comprising: pump cover, its side is for being arranged on the gear chamber of motor; First pump case, its side is fixedly mounted on the opposite side of pump cover, is provided with first group of oil pump gear in the first pump case, and first group of oil pump gear comprises driving gear and driven gear, and the sidewall of the first pump case is provided with the first machine oil import; Second pump case, it is fixedly mounted on the opposite side of the first pump case, is provided with second group of oil pump gear in the second pump case, and second group of oil pump gear comprises driving gear and driven gear, and the sidewall of the second pump case is provided with the second machine oil import; And driving shaft, it is located in the first pump case and the second pump case and the termination of driving shaft through pump cover, and driving shaft is by the gear drive in gear chamber, and the driving gear of first group of oil pump gear and second group of oil pump gear is driven by driving shaft.This oil pump is under the requirement meeting large discharge, and the volume of the pump housing is little, arranges simple.
Description
Technical field
The utility model relates to engine art, particularly a kind of large discharge oil pump.
Background technique
At present, conventional machine oil pump structure has rotor pump, gear pump.Rotor pump is divided into again the rotor pump of gear-driven rotor pump and crank-driven.In light-duty or that discharge capacity is less motor, a lot of oil pump adopting rotor structure, the fuel pump structure of this structure is simple, and volume is little, takes up room little.But the machine oil compared with large discharge can not be provided.If need the oil pump of large discharge, the oil pump of gear structure just must be adopted.The gear-type oil pump of large discharge is for meeting oil flow rate, it is very large that gear diameter in the pump housing and thickness can do, the volume of the whole pump housing is caused to become large, if do not strengthen gear diameter or thickness, in order to obtain comparatively large discharge ability, just need the rotating speed improving oil pump, but this situation can reduce the working life of oil pump, the annex power consumption of oil pump strengthens or affects the fuel economy of motor, and the noise of motor also can increase simultaneously.In addition, oil pump is generally arranged in inside body, can take body very large space like this, have an impact to the layout of complete machine.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Model utility content
The purpose of this utility model is to provide a kind of large discharge oil pump, and by the form adopting twin-stage plug-in, under the requirement meeting large discharge, the volume of the pump housing is little, arranges simple.
For achieving the above object, the utility model provides a kind of large discharge oil pump, comprising: pump cover, and its side is for being arranged on the gear chamber of motor, and this large discharge oil pump is arranged on the body of motor by pump cover is plug-in; First pump case, its side is fixedly mounted on the opposite side of pump cover, is provided with first group of oil pump gear in the first pump case, and first group of oil pump gear comprises driving gear and driven gear, and the sidewall of the first pump case is provided with the first machine oil import; Second pump case, it is fixedly mounted on the opposite side of the first pump case, is provided with second group of oil pump gear in the second pump case, and second group of oil pump gear comprises driving gear and driven gear, and the sidewall of the second pump case is provided with the second machine oil import; And driving shaft, it is located in the first pump case and the second pump case and the termination of driving shaft through pump cover, driving shaft is by the gear drive in gear chamber, and the driving gear of the driving gear of first group of oil pump gear and second group of oil pump gear is driven by driving shaft; Wherein the first pump case or the second pump case are provided with machine oil outlet, and the machine oil in the first pump case and the second pump case is collected rear discharge by machine oil outlet.
Preferably, O-ring seal is equipped with between the first pump case and pump cover, between the second pump case and the first pump case.
Preferably, be equipped with driven shaft in the first pump case and the second pump case and be used for installing respectively the driven gear of first group of oil pump gear and the driven gear of second group of oil pump gear.
Preferably, the second pump case and the first pump case are fixed together by stud.
Preferably, the driven gear of first group of oil pump gear and the driven gear of second group of oil pump gear are arranged on respective driven shaft by gear lining.
Preferably, the second pump case and the first pump case are tightened together with pump cover by screw.
Preferably, the installation side of the gear chamber of pump cover and motor is provided with locating stud.
Preferably, one end of driving shaft is arranged on pump cover by lid lining.
Preferably, the first machine oil import and the second machine oil import are flange type interface.
Preferably, the driving gear of second group of oil pump gear is connected by woodruff key with driving shaft.
Compared with prior art, the utility model has following beneficial effect: by adopting twin-stage gear transmission (corresponding to the second pump case and the first pump case), and adopt oil pump external hanging type structure, meet large oil flow rate demand, and layout does not take body inner chamber, make housing construction summary, arrange relatively easy, the pump housing of oil pump can be accomplished very little.Meanwhile, adopt gears meshing mode not strong, applied widely to the sensitive requirements that impurity content in machine oil is how many.
Accompanying drawing explanation
Fig. 1 is the plan view according to large discharge oil pump of the present utility model;
Fig. 2 is the sectional view according to large discharge oil pump of the present utility model;
Fig. 3 is the schematic perspective view according to large discharge oil pump of the present utility model;
Fig. 4 is the another schematic perspective view according to large discharge oil pump of the present utility model;
Fig. 5 is the scheme of installation according to large discharge oil pump of the present utility model and gear chamber;
Fig. 6 is the position relationship schematic diagram (external hanging type) of the body according to large discharge oil pump of the present utility model and motor.
Main Reference Numerals illustrates:
1-driving shaft, 2-locating stud, 3-pump cover, 4-O-ring seal, 5-lid lining, 6-first pump case, 71-first group of oil pump gear, 72-second group of oil pump gear, 10-second pump case, 11-woodruff key.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 1 to 4, according to a kind of large discharge oil pump of the utility model embodiment, mainly comprise pump cover 3, first pump case 6, second pump case 10 and driving shaft 1, wherein, the side of pump cover 3 is for being arranged on the gear chamber (Fig. 5 illustrates the actuation gear 111 in gear chamber) of motor, this large discharge oil pump by outside the plug-in body 19 being arranged on motor of pump cover 3 (see Fig. 6, pump cover 3 left end is used for installing with the gear chamber of motor, the main body of this oil pump is in outside body 19, it is arranged on for body inner chamber relative to oil pump).The side of the first pump case 6 is fixedly mounted on the opposite side of pump cover 3, first group of oil pump gear 71 is provided with in first pump case 6, first group of oil pump gear 71 comprises driving gear and driven gear (see Fig. 2), the sidewall of the first pump case 6 is provided with the first machine oil import 61 (see Fig. 1), same, second pump case 10 is fixedly mounted on the opposite side of the first pump case 6, second group of oil pump gear 72 is provided with in second pump case 10, second group of oil pump gear 72 comprises driving gear and driven gear (see Fig. 2), the sidewall of the second pump case 10 is provided with the second machine oil import 62 (see Fig. 1).For driving shaft 1, it is located in the first pump case 6 and the second pump case 19, and the termination of driving shaft 1 is through pump cover 3 (see Fig. 1), the termination of driving shaft 1 is used for installing actuation gear 111 (see Fig. 5) through pump cover 3, and driving shaft 1 is driven by the gear (actuation gear 111) in gear chamber, the driving gear of first group of oil pump gear 71 and second group of oil pump gear 72 is driven by driving shaft 1, and also namely the driving gear of first group of oil pump gear 71 and second group of oil pump gear 72 is driven jointly by driving shaft 1.In addition, first pump case 6 or the second pump case 10 are provided with machine oil outlet 63, be located in the second pump case 10 for machine oil outlet 63 in the present embodiment and be described (see Fig. 3), machine oil in first pump case 6 and the second pump case 10 is collected rear discharge by machine oil outlet 63, particularly, in the housing of the first pump case 6 and the second pump case 10, be provided with the oil discharge passage communicated, finally come together in machine oil and export 63 places.
As a kind of pump housing, need sealing to arrange, particularly, in the present embodiment, between the first pump case 6 and pump cover 3, between the second pump case 10 and the first pump case 6, be equipped with O-ring seal 4.Also have, the driven gear (see Fig. 2) that driven shaft 14 is used for installing respectively first group of oil pump gear 71 and second group of oil pump gear 72 is equipped with in first pump case 6 and the second pump case 10, particularly, the driven gear of first group of oil pump gear 71 and second group of oil pump gear 72 is arranged on (two) on respective driven shaft by gear lining 16, like this, driven shaft 14 just can be fixedly supported in the inner walls of the first pump case 6 and the second pump case 10, with driving shaft 1 unlike, one end of driving shaft 1 is arranged on pump cover 3 by lid lining 5, the other end of driving shaft 1 is same with support place of the inner walls of the second pump case 10 is provided with lining (unmarked in figure), also have, the driving gear of first group of oil pump gear 71 and driving shaft 1 secure fit, the driving gear of second group of oil pump gear 72 is connected by woodruff key 11 with driving shaft 1, when concrete this oil pump of assembling, first the first pump case 6 is put into after the pinion carrier of first group of oil pump gear 71 being entered driving shaft 1, then, the driving gear of second group of oil pump gear 72 is arranged on driving shaft 1 by woodruff key 11, correspondingly, the driven gear of first group of oil pump gear 71 and second group of oil pump gear 72 is enclosed within respective driven shaft 14, finally, second pump case 10 is fixed together (see Fig. 4) by stud 65 and the first pump case 6, second pump case 10 together with the first pump case 6 by screw 13 tighten together with pump cover 3 (screw 13 run through the second pump case 10 and the first pump case 6 after and pump cover 3 fastening), the oil pump parts that so just formation one is complete.
In addition, in order to pump cover 3 and the installation of the gear chamber of motor, pump cover 3 with the installation side of the gear chamber of motor are provided with locating stud 2, first machine oil import 61, second machine oil import 62 and machine oil outlet are flange type interface (see Fig. 3 and Fig. 4), when these oil pump parts are arranged in gear chamber, first machine oil import 61 and the second machine oil import 62 are connected (see Fig. 5) with oil sump 18 respectively by the first oil pipe 611 and the second oil pipe 621, also namely this oil pump gets oil by oil sump 18, machine oil after final boost is discharged (oil outlet tube 631 and machine oil export 63 and connects) by oil outlet tube 631.
To sum up, the oil pump that the present embodiment provides, by adopting twin-stage gear transmission (corresponding to the second pump case 10 and the first pump case 6), and adopt oil pump external hanging type structure, meet large oil flow rate demand, and layout does not take body inner chamber, make housing construction summary, arrange relatively easy, meeting under heavy traffic condition, the pump housing of oil pump can be accomplished very little.Meanwhile, adopt gears meshing mode not strong, applied widely to the sensitive requirements that impurity content in machine oil is how many.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (10)
1. a large discharge oil pump, is characterized in that, comprising:
Pump cover, its side is for being arranged on the gear chamber of motor, and this large discharge oil pump is by the plug-in body being arranged on described motor of described pump cover;
First pump case, its side is fixedly mounted on the opposite side of described pump cover, be provided with first group of oil pump gear in described first pump case, described first group of oil pump gear comprises driving gear and driven gear, and the sidewall of described first pump case is provided with the first machine oil import;
Second pump case, it is fixedly mounted on the opposite side of described first pump case, be provided with second group of oil pump gear in described second pump case, described second group of oil pump gear comprises driving gear and driven gear, and the sidewall of described second pump case is provided with the second machine oil import; And
Driving shaft, it is located in described first pump case and described second pump case and the termination of described driving shaft through described pump cover, described driving shaft is by the gear drive in described gear chamber, and the driving gear of described first group of oil pump gear and the driving gear of described second group of oil pump gear are driven by described driving shaft;
Wherein said first pump case or described second pump case are provided with machine oil outlet, and the machine oil in described first pump case and described second pump case is collected rear discharge by described machine oil outlet.
2. large discharge oil pump according to claim 1, is characterized in that, is equipped with O-ring seal between described first pump case and described pump cover, between described second pump case and described first pump case.
3. large discharge oil pump according to claim 1, it is characterized in that, be equipped with driven shaft in described first pump case and described second pump case and be used for installing respectively the driven gear of described first group of oil pump gear and the driven gear of described second group of oil pump gear.
4. large discharge oil pump according to claim 1, is characterized in that, described second pump case and described first pump case are fixed together by stud.
5. large discharge oil pump according to claim 4, is characterized in that, the driven gear of described first group of oil pump gear and the driven gear of described second group of oil pump gear are arranged on respective driven shaft by gear lining.
6. large discharge oil pump according to claim 1, is characterized in that, described second pump case and described first pump case are tightened together with described pump cover by screw.
7. large discharge oil pump according to claim 1, is characterized in that, the installation side of the gear chamber of described pump cover and described motor is provided with locating stud.
8. large discharge oil pump according to claim 1, is characterized in that, one end of described driving shaft is arranged on described pump cover by lid lining.
9. large discharge oil pump according to claim 1, is characterized in that, described first machine oil import and described second machine oil import are flange type interface.
10. large discharge oil pump according to claim 1, is characterized in that, the driving gear of described second group of oil pump gear is connected by woodruff key with described driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768241.6U CN204268048U (en) | 2014-12-08 | 2014-12-08 | Large discharge oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768241.6U CN204268048U (en) | 2014-12-08 | 2014-12-08 | Large discharge oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204268048U true CN204268048U (en) | 2015-04-15 |
Family
ID=52802914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420768241.6U Expired - Fee Related CN204268048U (en) | 2014-12-08 | 2014-12-08 | Large discharge oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204268048U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456037A (en) * | 2014-12-08 | 2015-03-25 | 广西玉柴机器股份有限公司 | High-flow oil pump |
| CN105202344A (en) * | 2015-10-21 | 2015-12-30 | 无锡惠山泵业有限公司 | Oil pump with strong leak tightness |
| CN112303469A (en) * | 2020-11-20 | 2021-02-02 | 湖南机油泵股份有限公司 | Oil pump capable of adjusting position of oil outlet |
-
2014
- 2014-12-08 CN CN201420768241.6U patent/CN204268048U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456037A (en) * | 2014-12-08 | 2015-03-25 | 广西玉柴机器股份有限公司 | High-flow oil pump |
| CN105202344A (en) * | 2015-10-21 | 2015-12-30 | 无锡惠山泵业有限公司 | Oil pump with strong leak tightness |
| CN112303469A (en) * | 2020-11-20 | 2021-02-02 | 湖南机油泵股份有限公司 | Oil pump capable of adjusting position of oil outlet |
| CN112303469B (en) * | 2020-11-20 | 2022-03-11 | 湖南机油泵股份有限公司 | Oil pump capable of adjusting position of oil outlet |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20211208 |