CN208330717U - High pressure gear oil pump - Google Patents
High pressure gear oil pump Download PDFInfo
- Publication number
- CN208330717U CN208330717U CN201820942198.9U CN201820942198U CN208330717U CN 208330717 U CN208330717 U CN 208330717U CN 201820942198 U CN201820942198 U CN 201820942198U CN 208330717 U CN208330717 U CN 208330717U
- Authority
- CN
- China
- Prior art keywords
- oil
- gear
- rotation axis
- pump
- pump housing
- 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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- Rotary Pumps (AREA)
Abstract
High pressure gear oil pump, it is characterised in that: including the pump housing and the lid for being connected to pump housing left end；Intermeshing driving gear and driven gear there are two being set in the pump housing, and the two is arranged in the same direction；Driving gear and driven gear are equipped with rotation axis；The equal from-inner-to-outer of the rotation axis of driving gear and driven gear two sides is successively arranged with 3 word oil sealings, side plate and bushing；Side plate interior sides face is equipped with oil seal groove, and 3 word oil sealings are built in oil seal groove；Side plate is set there are two rotational axis hole；Beneficial effect is: by steel ball rotation axis being axially fixed, in high-speed rotation, rotation axis is not easy axial shake；In rotation axis rotation process, by the rolling of steel ball, so that the frictional force between rotation axis and lid and the pump housing reduces, the loss of equipment is reduced.
Description
Technical field
The utility model belongs to oil pump field more particularly to a kind of high-pressure oil pump.
Background technique
It is sealed between the left part and front cover of driving gear shaft using sealing ring.The problems of be transmission gear (tiltedly
Gear) or belt pulley when working, the friction pair that radial load or axial load will cause gear face and end face of shaft bush destroy with
And the serious abrasion of the sealing ring on front cover, the cooperation of gear oil pump internal clearance and sealing structure are destroyed, gear oil pump is caused
Imitate it is low, leakage, reduce the service life.
Meanwhile this kind of structure also will increase frictional force, to cause the waste of power, rotation axis is also held in high-speed rotation
Easily axial shake, causes equipment unstable.
Utility model content
To solve the above-mentioned problems, the utility model adopts the following technical solution:
High pressure gear oil pump, it is characterised in that: including the pump housing and the lid for being connected to pump housing left end；
Intermeshing driving gear and driven gear there are two being set in the pump housing, and the two is arranged in the same direction；The master
Moving gear and driven gear are equipped with rotation axis；
The equal from-inner-to-outer of the rotation axis of the driving gear and driven gear two sides be successively arranged with 3 word oil sealings, side plate and
Bushing；The side plate interior sides face is equipped with oil seal groove, and the 3 word oil sealing is built in the oil seal groove；There are two the side plate is set
Rotational axis hole；
The bushing and side plate in left side are built in the lid, and the bushing and side plate on right side are built in the pump housing；
The rotation axis of the driving gear is driving shaft, and the rotation axis of the driven gear is driven shaft；
It is connected between the driving shaft left side and lid by steel ball, after driving shaft right end passes through the rotation hole of the lid
It is arranged with outside framework oil seal, the outside framework oil seal is equipped with circlip；Pass through institute between the driven shaft both ends of the surface and lid and the pump housing
State steel ball connection；
The opposite two sides of the pump housing offer pump oil hole；The line in two pump oil holes perpendicular to the driving shaft and
The plane that driven shaft is constituted, clearance space of the line in two pump oil holes across the driving shaft and driven shaft；Institute
It is coplanar with the driving gear and driven gear to state pump oil hole.
Preferably, the outer diameter of the bushing is greater than the rotational axis hole internal diameter of the side plate.
Preferably, the rotational axis hole internal diameter matches with the rotation axis outer diameter.
Preferably, the driving shaft is located at the part on the right side of the pump housing equipped with card key.
Preferably, the end face that the rotation axis is equipped with steel ball is equipped with rolling groove.
Preferably, the outer diameter of the side plate and the inner cavity internal diameter of the pump housing and lid match.
The beneficial effects of the utility model are:
1. being fixed rotation axis axially by steel ball, in high-speed rotation, rotation axis is not easy axial shake；
2. in rotation axis rotation process, by the rolling of steel ball, so that the friction between rotation axis and lid and the pump housing
Power reduces, and reduces the loss of equipment；
3. the shake of rotation axis radial direction is avoided by the bushing and side plate of fixed setting, so that equipment operation is more steady
It is fixed；
4. the position in pump oil hole is more reasonable, pump oil effect is more preferable.
Detailed description of the invention
Fig. 1 is a kind of explosive view of structure of the utility model.
In figure: 1 lid, 2 pump housings, 21 bushings, 23 3 word oil sealings, 24 side plates, 25 steel balls, 26 pump oil holes, 201 skeletons oil
Envelope, 202 circlips, 30 driving gears, 31 driving shafts, 40 driven gears, 41 driven shafts.
Specific embodiment
The utility model is further described with reference to the accompanying drawing:
As shown in Figure 1, high pressure gear oil pump, including the pump housing 2 and the lid 1 for being connected to 2 left end of the pump housing；
Intermeshing driving gear 30 and driven gear 40 there are two being set in the pump housing 2, and the two is arranged in the same direction；Driving tooth
Wheel 30 and driven gear 40 are equipped with rotation axis；
The equal from-inner-to-outer of rotation axis of 40 two sides of driving gear 30 and driven gear is successively arranged with 3 word oil sealings 23, side plate
24 and bushing 21；24 medial surface of side plate is equipped with oil seal groove, and 3 word oil sealings 23 are built in oil seal groove.
Side plate 24 is set there are two rotational axis hole 240；3 word oil sealings 23 are arranged in side plate 24, it is made to easily facilitate installation,
Also it is conducive to the maintenance of equipment.
The bushing 21 and side plate 24 in left side are built in lid 1, and the bushing 21 and side plate 24 on right side are built in the pump housing 2；
The rotation axis of driving gear 30 is driving shaft 31, and the rotation axis of driven gear 40 is driven shaft 41；
It is connected between 31 left side of driving shaft and lid 1 by steel ball 25, after 31 right end of driving shaft passes through the rotation hole of lid 1
It is arranged with outside framework oil seal 201, outside framework oil seal 201 is equipped with circlip 202；It is close that outside framework oil seal 201 can not only further realize oil body
Envelope, can also prevent 31 radial wobble of driving shaft.
It is connected by steel ball 25 between 41 both ends of the surface of driven shaft and lid 1 and the pump housing 2；When rotation axis rotation, steel ball 25
Itself is also rotated, and plays good lubricating action, meanwhile, steel ball is set, so that rotation axis both ends are limited, rotation axis is axial
Variation become smaller.
The end face that rotation axis is equipped with steel ball 25 is equipped with rolling groove.Steel ball 25 is arranged in rolling groove, and steel ball 25 is not easy positioning,
It can preferably realize its function.
The opposite two sides of the pump housing 2 offer pump oil hole 26；The line in two pump oil holes 26 is perpendicular to driving shaft 31 and driven
The plane that axis 41 is constituted, clearance space of the line in two pump oil holes 26 across driving shaft 31 and driven shaft 41；Pump oil hole
26 is coplanar with driving gear 30 and driven gear 40.So that pump oil hole 26 is closer at a distance from gear, and position is easier to match, pump
Oily effect is more preferable.
The outer diameter of bushing 21 is greater than 240 internal diameter of rotational axis hole of side plate 24.
The outer diameter of side plate 24 and the inner cavity internal diameter of the pump housing 2 and lid 1 match.
240 internal diameter of rotational axis hole matches with rotation axis outer diameter, in this way, it is not only able to achieve the position-limiting action of rotation axis,
It is able to achieve the effect of oil body anti-leak.
The part that driving shaft 31 is located at 2 right side of the pump housing is equipped with card key 310.Setting card key 310 can be such that it connects with other equipment
Better position-limiting action is played when connecing, and prevents rotation skidding etc., while easily facilitating disassembly.
A kind of working method of the utility model are as follows:
Equipment is assembled by above-mentioned.The driving shaft 31 of 2 right part of the pump housing is connected by motor, then 31 turns of driving shaft
Dynamic, the driving gear 30 of driving shaft 31 drives driven gear 40 to rotate, and driven gear 40 drives driven shaft 41 to rotate.It is achieved in
Two gear engagement rotations realize pumping effect, form negative pressure space in side by two gear rotations and suck oil body,
The other side is pressurized to oil body, and oil body is pumped out, and specific pump oil principle is well-known technique at this, does not add to repeat herein.
In pump oil, pump oil hole 26 and 40 position face of driving gear 30 and driven gear easily facilitate oil pumping and pump oil
Operation.
Two rotation holes of side plate 24 are mutually indepedent, give the better rotation space of rotation axis.
After rotation axis rotation, the steel ball 25 being arranged in the rolling groove at both ends is also rotated with it, avoid rotation axis with
Friction between the pump housing 2 and lid 1 reduces the loss of equipment.Meanwhile the steel ball 25 at both ends prevents rotation axis from axially moving
Dynamic, in high-speed rotation, equipment operation is more stable.
" up and down " described herein is reference with orientation in Fig. 1, is for not having other convenient for statement
Particular meaning.
In addition, the utility model is not limited to above embodiment, as long as it reaches this reality with essentially identical means
With novel technical effect, the protection scope of the utility model all should belong to.
Claims (6)
1. high pressure gear oil pump, it is characterised in that: including the pump housing (2) and be connected to the lid (1) of the pump housing (2) left end；
Intermeshing driving gear (30) and driven gear (40) there are two being set in the pump housing (2), and the two is arranged in the same direction；
The driving gear (30) and driven gear (40) are equipped with rotation axis；
The equal from-inner-to-outer of rotation axis of the driving gear (30) and driven gear (40) two sides is successively arranged with 3 word oil sealings
(23), side plate (24) and bushing (21)；Side plate (24) medial surface is equipped with oil seal groove, and the 3 word oil sealing (23) is built in institute
It states in oil seal groove；The side plate (24) sets there are two rotational axis hole (240)；
The bushing (21) and side plate (24) in left side are built in the lid (1), and the bushing (21) and side plate (24) on right side are built-in
In the pump housing (2)；
The rotation axis of the driving gear (30) is driving shaft (31), and the rotation axis of the driven gear (40) is driven shaft
(41)；
Driving shaft (31) left side is connect between lid (1) by steel ball (25), and driving shaft (31) right end passes through the lid
The rotation hole rear enclosure of body (1) is equipped with outside framework oil seal (201), and the outside framework oil seal (201) is equipped with circlip (202)；It is described driven
It is connect by the steel ball (25) between axis (41) both ends of the surface and lid (1) and the pump housing (2)；
The opposite two sides of the pump housing (2) offer pump oil hole (26)；The line of two pump oil holes (26) is perpendicular to described
The plane that driving shaft (31) and driven shaft (41) are constituted, the line of two pump oil holes (26) pass through the driving shaft (31) and
Clearance space between driven shaft (41)；The pump oil hole (26) is coplanar with the driving gear (30) and driven gear (40).
2. high pressure gear oil pump according to claim 1, it is characterised in that: the outer diameter of the bushing (21) is greater than the side
Rotational axis hole (240) internal diameter of plate (24).
3. high pressure gear oil pump according to claim 2, it is characterised in that: rotational axis hole (240) internal diameter with it is described
Rotation axis outer diameter matches.
4. high pressure gear oil pump according to claim 1, it is characterised in that: the driving shaft (31) is located at the pump housing
(2) part on the right side of is equipped with card key (310).
5. high pressure gear oil pump according to claim 1, it is characterised in that: the rotation axis is equipped with the end face of steel ball (25)
Equipped with rolling groove.
6. high pressure gear oil pump according to claim 1, it is characterised in that: the outer diameter and the pump housing of the side plate (24)
(2) match with the inner cavity internal diameter of lid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942198.9U CN208330717U (en) | 2018-06-19 | 2018-06-19 | High pressure gear oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942198.9U CN208330717U (en) | 2018-06-19 | 2018-06-19 | High pressure gear oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330717U true CN208330717U (en) | 2019-01-04 |
Family
ID=64771834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942198.9U Expired - Fee Related CN208330717U (en) | 2018-06-19 | 2018-06-19 | High pressure gear oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330717U (en) |
-
2018
- 2018-06-19 CN CN201820942198.9U patent/CN208330717U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |