CN203231064U - Oil pump with dust shield - Google Patents

Oil pump with dust shield Download PDF

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Publication number
CN203231064U
CN203231064U CN 201320193953 CN201320193953U CN203231064U CN 203231064 U CN203231064 U CN 203231064U CN 201320193953 CN201320193953 CN 201320193953 CN 201320193953 U CN201320193953 U CN 201320193953U CN 203231064 U CN203231064 U CN 203231064U
Authority
CN
China
Prior art keywords
dust
proof cover
rotary
pump housing
rotating shaft
Prior art date
Application number
CN 201320193953
Other languages
Chinese (zh)
Inventor
周志梭
王立军
陈贤足
况金明
宋健云
Original Assignee
浙江三工汽车零部件有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 浙江三工汽车零部件有限公司 filed Critical 浙江三工汽车零部件有限公司
Priority to CN 201320193953 priority Critical patent/CN203231064U/en
Application granted granted Critical
Publication of CN203231064U publication Critical patent/CN203231064U/en

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Abstract

The utility model discloses an oil pump with a dust shield. The oil pump with the dust shield comprises a pump body, wherein an axial through hole which is internally provided with an inner rotating shaft is formed in the middle of the pump body; two ends of the inner rotating shaft penetrate the axial through hole; a transmission gear is sleeved at one end of the inner rotating shaft; an inner turntable is sleeved at one end of the inner rotating shaft which is far away from the transmission gear; an inner turntable cavity which allows the placement of the inner turntable is arranged at one side of the pump body which corresponds to the inner turntable; a bottom plate is arranged at one side of the inner turntable which is far away from the transmission gear; a dust shield is arranged outside the bottom plate. As the dust shield is hooded at the outer sidewall of the inner turntable, the oil pump with the dust shield can prevent dust impurities from entering into the oil pump efficiently, thereby guaranteeing sanitation of the liquid oil.

Description

A kind of oil pump with dust-proof cover

Technical field

The utility model relates to a kind of lubricating pump of automobile, is specifically related to a kind of oil pump with dust-proof cover.

Background technique

Oil pump is the part of auto lubrication system, can force machine oil to deliver to the device of engine movement part from oil sump, and oil pump can be used for making engine oil pressure to raise and guarantee certain oil mass, forces the parts of fuel feeding to each friction surface.Internal-combustion engine extensively adopts gear type and rotor-type oil pump.Gear-type oil pump is simple in structure, and is easy to process, reliable operation, long service life, pump oil pressure height.Pump rotor body complexity is used powder metallurgy pressing more.This pump has the same advantage of gear pump, and compact structure, and volume is little.

At present, the oil pump of existing rotator type comprises the pump housing and rotating shaft, rotating shaft is provided with the rotating disk that drives oil flow, the outside of the oil pump of existing rotator type does not arrange the equation cover, a lot of powder impurity enter by the slit of the pump housing easily, cause the oily contaminated of pump housing inside, influence the use of hydraulic oil.

Summary of the invention

The purpose of this utility model is: at the deficiencies in the prior art, the utility model provides a kind of oil pump with dust-proof cover that can effectively play dustproof effect.

To achieve these goals, the utility model has adopted following technological scheme:

A kind of oil pump with dust-proof cover, comprise the pump housing, described pump housing middle part is provided with shaft through-hole, be provided with interior rotating shaft in the described shaft through-hole, the two ends of rotating shaft pass shaft through-hole in described, described in rotating shaft an end be arranged with driving gear, rotating shaft is arranged with inner rotary table away from an end of driving gear in described, the corresponding side of the described pump housing and inner rotary table is provided with the inner rotary table chamber of placing for inner rotary table, described inner rotary table chamber is provided with base plate away from a side of driving gear, and described base plate is provided with dust-proof cover outward.

As preferably, the outside of the described pump housing is provided with lazy axle, described lazy axle with described in the shaft parallel setting, described lazy axle is provided with idle gear with the corresponding end of driving gear, described idle gear and described driving gear engagement setting.After adopting above-mentioned preferred version, arranging of sloth wheel gear can be transmitted motion and be changed turning to of interior rotating shaft, but do not influence velocity ratio, can realize the functions such as reversing of rotating shaft.

As preferably, be provided with pump housing oil hole in the described pump housing, described pump housing oil hole is communicated with described inner rotary table chamber.

As preferably, described in rotating shaft be arranged with outward in the rotating shaft oilless bearing.After adopting above-mentioned preferred version, arranging of interior rotating shaft oilless bearing can be avoided interior rotating shaft directly and the direct friction of pump housing shaft through-hole madial wall, rotating shaft and the pump housing in can effectively protecting, and oilless bearing is simple in structure simultaneously, and cost is cheaper.

As preferably, described lazy outer shaft sleeve is provided with lazy axle oilless bearing.After adopting above-mentioned preferred version, arranging of lazy axle oilless bearing can be avoided lazy axle directly and the direct friction of pump housing madial wall, can effectively protect lazy axle and the pump housing, and oilless bearing is simple in structure simultaneously, and cost is cheaper.

As preferably, described base plate is fixedlyed connected with the described pump housing by the mode of bolt.After adopting above-mentioned preferred version, fixing of base plate and the pump housing is more firm.

As preferably, the outer positive stop lug boss that is provided with of the outer side wall in the inner rotary table chamber of the described pump housing, be provided with draw-in groove between described positive stop lug boss and inner rotary table chamber outer side wall and the positive stop lug boss, described dust-proof cover is located on the outer side wall of inner rotary table chamber, the setting that offsets of the end of described dust-proof cover and described positive stop lug boss, the end of described dust-proof cover and described draw-in groove are equipped with.After adopting above-mentioned preferred version, the arranging of positive stop lug boss can be avoided the excessive cover cap of dust-proof cover and cause compressing to base plate, and arranging can be after dust-proof cover is located at inner rotary table chamber outer side wall to form with draw-in groove and engaging of draw-in groove is more firm.

Oil pump with dust-proof cover of the present utility model is covered with dust-proof cover at inner rotary table chamber outer side wall, can effectively prevent entering of travel fatigue impurity, thereby guarantees the health of liquid oils.

Description of drawings

Fig. 1 is the utility model embodiment's structural representation;

Fig. 2 is the partial enlarged drawing at A place among Fig. 1.

Embodiment

As illustrated in fig. 1 and 2, embodiment of the present utility model specifically is a kind of oil pump with dust-proof cover, comprises the pump housing 1, and the pump housing 1 middle part is provided with shaft through-hole 11.Be provided with in the shaft through-hole 11 in rotating shaft 2, the two ends of interior rotating shaft 2 pass shaft through-hole 11, interior rotating shaft 2 an end be arranged with driving gear 3.Interior rotating shaft 2 is arranged with inner rotary table 4 away from an end of driving gear 3.The pump housing 1 is provided with the inner rotary table chamber 42 of placing for inner rotary table 4 with inner rotary table 4 corresponding sides.Inner rotary table chamber 42 is provided with base plate 5 away from a side of driving gear 3.The base plate 5 outer dust-proof cover 6 that are provided with.The outside of the pump housing 1 is provided with lazy axle 7, and lazy axle 7 be arranged in parallel with interior rotating shaft 2, and lazy axle 7 is provided with idle gear 71 with driving gear 3 corresponding ends, and idle gear 71 arranges with driving gear 3 engagements.Be provided with pump housing oil hole 12 in the pump housing 1, pump housing oil hole 12 is communicated with inner rotary table chamber 42.Lazy axle 7 is provided with the lazy shafting oil groove 72 with pump housing oil hole 12 relative set, and the entrance of lazy shafting oil groove 72 is corresponding with pump housing oil hole 12.

Rotating shaft oilless bearing 21 in interior rotating shaft 2 outer being arranged with.Be arranged with lazy axle oilless bearing 73 outside the lazy axle 7.Base plate 5 is fixedlyed connected with the pump housing 1 by the mode of bolt 51.The outer positive stop lug boss 421 that is provided with of the outer side wall in the inner rotary table chamber 42 of the pump housing 1, be provided with draw-in groove 422 between positive stop lug boss 421 and inner rotary table chamber 42 outer side walls and the positive stop lug boss 421, dust-proof cover 6 is located on 42 outer side walls of inner rotary table chamber, the setting that offsets of the end of dust-proof cover 6 and positive stop lug boss 421, the end of dust-proof cover 6 and draw-in groove 422 are equipped with, after outside dust-proof cover 6 is located at inner rotary table chamber 42, utilize instrument that the end of dust-proof cover 6 is snapped in the draw-in groove 422.

The working principle of the working principle of the oil pump with dust-proof cover of the present utility model and the oil pump of prior art is basic identical, difference is: oil pump of the present utility model in inner rotary table chamber arranged outside dust-proof cover 6, can effectively avoid entering of dust impurity, health more.

Claims (7)

1. oil pump that has dust-proof cover, comprise the pump housing, described pump housing middle part is provided with shaft through-hole, be provided with interior rotating shaft in the described shaft through-hole, the two ends of rotating shaft pass shaft through-hole in described, it is characterized in that: described in rotating shaft an end be arranged with driving gear, rotating shaft is arranged with inner rotary table away from an end of driving gear in described, the corresponding side of the described pump housing and inner rotary table is provided with the inner rotary table chamber of placing for inner rotary table, described inner rotary table chamber is provided with base plate away from a side of driving gear, and described base plate is provided with dust-proof cover outward.
2. the oil pump that has dust-proof cover according to claim 1, it is characterized in that: the outside of the described pump housing is provided with lazy axle, described lazy axle and described interior shaft parallel setting, described lazy axle is provided with idle gear with the corresponding end of driving gear, and described idle gear and the engagement of described driving gear arrange.
3. the oil pump that has dust-proof cover according to claim 1, it is characterized in that: be provided with pump housing oil hole in the described pump housing, described pump housing oil hole is communicated with described inner rotary table chamber.
4. to require the 1 described oil pump that has dust-proof cover according to right, it is characterized in that: rotating shaft oilless bearing in rotating shaft is arranged with outward in described.
5. the oil pump that has dust-proof cover according to claim 2 is characterized in that: described lazy outer shaft sleeve is provided with lazy axle oilless bearing.
6. the oil pump that has dust-proof cover according to claim 1 is characterized in that: described base plate is fixedlyed connected with the described pump housing by the mode of bolt.
7. the oil pump that has dust-proof cover according to claim 1, it is characterized in that: the outer positive stop lug boss that is provided with of the outer side wall in the inner rotary table chamber of the described pump housing, be provided with draw-in groove between described positive stop lug boss and inner rotary table chamber outer side wall and the positive stop lug boss, described dust-proof cover is located on the outer side wall of inner rotary table chamber, the setting that offsets of the end of described dust-proof cover and described positive stop lug boss, the end of described dust-proof cover and described draw-in groove are equipped with.
CN 201320193953 2013-04-17 2013-04-17 Oil pump with dust shield CN203231064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320193953 CN203231064U (en) 2013-04-17 2013-04-17 Oil pump with dust shield

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320193953 CN203231064U (en) 2013-04-17 2013-04-17 Oil pump with dust shield

Publications (1)

Publication Number Publication Date
CN203231064U true CN203231064U (en) 2013-10-09

Family

ID=49287189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320193953 CN203231064U (en) 2013-04-17 2013-04-17 Oil pump with dust shield

Country Status (1)

Country Link
CN (1) CN203231064U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104141873A (en) * 2014-07-24 2014-11-12 三一能源重工有限公司 Compressor oil pump structure with gear transmission and compressor
CN104180144A (en) * 2014-08-12 2014-12-03 广西玉柴机器股份有限公司 Oil pump assembly of engine
CN104976498A (en) * 2015-07-13 2015-10-14 常州市宏硕电子有限公司 Combined fuel pump
CN106051443A (en) * 2016-08-17 2016-10-26 湖南机油泵股份有限公司 Machine oil pump with idle gear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104141873A (en) * 2014-07-24 2014-11-12 三一能源重工有限公司 Compressor oil pump structure with gear transmission and compressor
CN104180144A (en) * 2014-08-12 2014-12-03 广西玉柴机器股份有限公司 Oil pump assembly of engine
CN104976498A (en) * 2015-07-13 2015-10-14 常州市宏硕电子有限公司 Combined fuel pump
CN106051443A (en) * 2016-08-17 2016-10-26 湖南机油泵股份有限公司 Machine oil pump with idle gear

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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: 20131009

Termination date: 20140417