CN105864031B - Gear pump oil extraction housing and the gear pump for including the gear pump oil extraction housing - Google Patents
Gear pump oil extraction housing and the gear pump for including the gear pump oil extraction housing Download PDFInfo
- Publication number
- CN105864031B CN105864031B CN201610430239.1A CN201610430239A CN105864031B CN 105864031 B CN105864031 B CN 105864031B CN 201610430239 A CN201610430239 A CN 201610430239A CN 105864031 B CN105864031 B CN 105864031B
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- CN
- China
- Prior art keywords
- gear pump
- oil extraction
- hole
- connecting hole
- oil
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a kind of gear pump oil extraction housing and gear pumps, the connecting portion of inner wall including oil extraction portion and set on oil extraction portion, connecting portion opens up first step hole, first step hole includes the first connecting hole far from inner wall and the second connecting hole close to inner wall, the size of first connecting hole is more than the size of the second connecting hole, radial direction of the connecting portion in first step hole opens up third connecting hole, and third connecting hole is connected with the second connecting hole.Said gear pumps oil extraction housing, for gear pump.The main shaft of gear pump is installed on the first connecting hole by clutch shaft bearing.Since third connecting hole is connected with the second connecting hole, with main shaft and clutch shaft bearing heat exchange can occur for the oil body in gear pump oil extraction housing, the partial heat that main shaft and clutch shaft bearing relative motion generate when taking away gear pump high speed rotation, the problem of high temperature causes main shaft and clutch shaft bearing to damage is avoided the occurrence of, so as to improve the service life of main shaft and clutch shaft bearing.
Description
Technical field
The present invention relates to gear pump technical field, more particularly to a kind of gear pump oil extraction housing and the gear pump oil extraction is included
The gear pump of housing.
Background technology
Gear pump is a kind of common hydraulic pump in Hydraulic Power Transmission System, can divide crescent gear pump by gear mesh form
With two kinds of external gear rotary pump.Crescent gear pump is to use gear internal messing principle, and the active internal gear on main shaft drives outer
Gear (i.e. outer rotor, balance wheel) rotates in same direction.It is separated from each other to form negative pressure and suck liquid in two gear of entrance, in exit
The constantly insertion of two gears engages and squeezes liquid and export.Two corresponding gears coordinate formed spatial volume variation cycle one
It is secondary, realize that sucking material and discharge material are each primary.
Compared with external gear rotary pump, crescent gear pump has many advantages, such as that compact-sized, light weight and size are small.It is and interior
The gear rotating Vortex of intermeshing gear pump, relative sliding velocity is small, and abrasion is slight, so its service life is long.In addition, internal messing
The flow pulsation of gear pump is small, so pressure fluctuation and noise are smaller.Meanwhile fluid is easily nibbled under the influence of centrifugal force full of interior
Close gear pump inter-tooth slots, so allow crescent gear pump high speed rotation, therefore crescent gear pump have volumetric efficiency compared with
The advantages of high.However crescent gear pump high speed rotation generates amount of heat, is easy to cause the damage of bearing.
Invention content
Based on this, it is necessary to provide a kind of gear pump oil extraction housing of service life for improving bearing and comprising the gear pump
The gear pump of oil extraction housing.
A kind of gear pump oil extraction housing, including oil extraction portion and connecting portion, the connecting portion include fixing end and with it is described solid
The opposite connecting pin in fixed end, the fixing end be set on the oil extraction portion on, the connecting pin be equipped with first step hole, described first
Stepped hole includes larger the first connecting hole of internal diameter and smaller second connecting hole of internal diameter, first connecting hole relatively described the
Two connecting holes are equipped with third connecting hole, and the third connecting hole far from the fixing end, the hole wall in the first step hole
It is connected with second connecting hole.
Said gear pumps oil extraction housing, for gear pump.The main shaft of gear pump is installed on the first connection by clutch shaft bearing
Hole.First connecting hole plays position-limiting action to clutch shaft bearing, so as to which preferably supports main shaft rotates；Simultaneously because third connecting hole
It is connected with the second connecting hole, with main shaft and clutch shaft bearing heat exchange can occur for the oil body in gear pump oil extraction housing, so as to take away
The partial heat that main shaft and clutch shaft bearing relative motion generate during gear pump high speed rotation avoids the occurrence of high temperature and causes main shaft and the
The problem of one bearing damage, so as to improve the service life of main shaft and clutch shaft bearing.
The oil extraction portion is equipped with oil scupper in one of the embodiments, and the connecting portion is set on the slot of the oil scupper
On bottom, the third connecting hole connects the oil scupper and the first step hole.
The third connecting hole is close to the fixing end of the connecting portion in one of the embodiments,.
The slot bottom of the oil scupper is equipped with outage in one of the embodiments,.
The slot bottom of the oil scupper is equipped with motor wiring hole in one of the embodiments,.
The oil extraction portion is equipped with mounting portion, the installation in the edge ring of the oil scupper in one of the embodiments,
Portion is equipped with mounting hole.
The gear pump oil extraction housing is integrally formed formula structure in one of the embodiments,.
A kind of gear pump pumps oil extraction housing, the motor including motor rotor component, oil suction housing unit and said gear
Rotor assembly includes main shaft and clutch shaft bearing, and one end of the main shaft is installed on the first step hole, institute by clutch shaft bearing
It states oil suction housing unit to connect to form host cavity with the oil extraction portion, the motor rotor component is set in the host cavity.
The motor rotor component further includes second bearing in one of the embodiments, and the oil suction housing unit is set
There is second step hole, the other end of the main shaft is installed on the second step hole by the second bearing.
The clutch shaft bearing and the second bearing are sliding bearing in one of the embodiments,.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the gear pump oil extraction housing of one embodiment of the invention；
Fig. 2 is the vertical view of gear pump oil extraction housing shown in Fig. 1；
Fig. 3 is the bottom view of gear pump oil extraction housing shown in Fig. 1；
Fig. 4 is the sectional view of the line A-A of gear pump oil extraction housing shown in Fig. 2；
Fig. 5 is the sectional view of the gear pump of one embodiment of the invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
The arbitrary and all combination of the Listed Items of pass.
With reference to Fig. 1, Fig. 2 and Fig. 3, the gear pump oil extraction housing 110 of a preferred embodiment, including oil extraction portion 111 and connection
Portion 112.
With reference to Fig. 1 and Fig. 4, connecting portion 112 includes fixing end and the connecting pin opposite with the fixing end.Connecting portion 112
Fixing end is set in oil extraction portion 111.The connecting pin of connecting portion 112 is equipped with first step hole 114.
First step hole 114 includes the first larger connecting hole 1141 of internal diameter and smaller second connecting hole 1143 of internal diameter,
First connecting hole, 1141 opposite second connecting hole 1143 is far from fixing end.The hole wall in first step hole 114 is connected equipped with third
Hole 116, and third connecting hole 116 is connected with the second connecting hole 1143.Specifically, third connecting hole 116 is close to connecting portion 112
Fixing end.
Said gear pump oil extraction housing 110, for gear pump 100 (see Fig. 5).The main shaft 121 of gear pump 100 (see Fig. 5)
It is installed in the first connecting hole 1141 (see Fig. 5) by clutch shaft bearing 122.First connecting hole 1141 plays clutch shaft bearing 122
Position-limiting action, so as to which preferably supports main shaft rotates；Simultaneously because third connecting hole 116 is connected with the second connecting hole 1143, tooth
With main shaft 121 and clutch shaft bearing 122 heat exchange can occur for the oil body in wheel pump oil extraction housing 110, high so as to take away gear pump 100
The partial heat that main shaft 121 and 122 relative motion of clutch shaft bearing generate during speed rotation, avoids the occurrence of high temperature and causes 121 He of main shaft
The problem of clutch shaft bearing 122 damages, so as to improve the service life of main shaft 121 and clutch shaft bearing 122.
With continued reference to Fig. 1, specifically, oil extraction portion 111 is equipped with oil scupper 1114, connecting portion 112 is set on oil scupper 1114
On slot bottom.Oil scupper 1114 connects third connecting hole 116 and outage 1112.After gear pump 100 sucks oil body, first oil body is squeezed
Go out in the oil scupper 1114 of gear pump oil extraction housing 110, the oil body in oil scupper 1114 enters the by third connecting hole 116
So as to be contacted with main shaft 121 and clutch shaft bearing 122 heat exchange occurs for one stepped hole 114, and then take away its partial heat.With
Oil body is constantly extruded in oil scupper 1114 and is constantly discharged from outage 1112, and heat exchange can continue to carry out, from
And the problem of high temperature causes main shaft 121 and clutch shaft bearing 122 to damage is avoided the occurrence of, and then improve main shaft 121 and clutch shaft bearing 122
Service life.
Specifically, the slot bottom of oil scupper 1114 is equipped with outage 1112.Outage 1112 can be connect with oil-drain pipe etc., from
And the oil body in gear pump oil extraction housing 110 is discharged into the outside of gear pump oil extraction housing 110.
Specifically, the slot bottom of oil scupper 1114 is equipped with motor wiring hole 1116.Motor wiring hole 1116 is used to connect motor
Power cord.
Specifically, oil extraction portion 111 is equipped with mounting portion 113 in the edge ring of oil scupper 1114.Mounting portion is equipped with mounting hole
115, mounting hole 115 is used to install the gear pump oil extraction housing 110.More specifically, in the present embodiment, mounting hole 115 is uniform
It is distributed in the circumferential direction of mounting portion 113.
The formula structure specifically, oil extraction portion 111 and connecting portion 112 are integrally formed.I.e. gear pump oil extraction housing 110 is integrated
Formation type structure.It on the one hand, can more effective more uniformly supports main shaft with 111 integrally formed first step hole 114 of oil extraction portion
121 rotations；On the other hand, connecting portion 112 is integrally formed with oil extraction portion 111, and it is mutual with oil extraction portion 111 to eliminate connecting portion 112
Cooperation or the component being connected with each other, efficiently reduce the size of gear pump oil extraction housing 110, and then can reduce gear pump 100
Axial dimension.More specifically, gear pump oil extraction housing 110 is integrated casting and forming.
With reference to Fig. 3, the present invention also provides the gear pump 100 of an embodiment, including motor rotor component 120, oil suction shell
Body component 130 and said gear pump oil extraction housing 110.
With continued reference to Fig. 1 and Fig. 3, motor rotor component 120 includes main shaft 121 and clutch shaft bearing 122.The one of main shaft 121
End is installed on first step hole 114 by clutch shaft bearing 122.Oil suction housing unit 130 connect formation receiving with oil extraction portion 111
Chamber, motor rotor component 120 are set in host cavity.Specifically, the mounting hole 113 that oil suction housing unit 130 passes through mounting portion 113
It is connect with oil extraction portion 111.
Said gear pump 100, using gear pump oil extraction housing 110.Oil body during work in gear pump oil extraction housing 110 can
Heat exchange occurs with main shaft 121 and clutch shaft bearing 122, main shaft 121 and clutch shaft bearing during so as to take away 100 high speed rotation of gear pump
The partial heat that 122 relative motions generate avoids the occurrence of the problem of high temperature causes main shaft 121 and clutch shaft bearing 122 to damage, so as to
Improve the service life of main shaft 121 and clutch shaft bearing 122.
Specifically, in the present embodiment, motor rotor component 120 further includes second bearing 123.Oil suction housing unit 130
Including second step hole 131.One end of main shaft 121 is installed on first step hole 114 by clutch shaft bearing 122, main shaft 121 it is another
One end is installed on second step hole 131 by second bearing 123.
More specifically, clutch shaft bearing 122 and second bearing 123 are sliding bearing.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of gear pump oil extraction housing, which is characterized in that including oil extraction portion (111) and connecting portion (112), the connecting portion
(112) including fixing end and the connecting pin opposite with the fixing end, the fixing end is set on the oil extraction portion (111), institute
Connecting pin is stated equipped with first step hole (114), the first step hole (114) includes larger the first connecting hole (1141) of internal diameter
And smaller second connecting hole (1143) of internal diameter, relatively described second connecting hole (1143) of first connecting hole (1141) are separate
The fixing end, the hole wall of the first step hole (114) are equipped with third connecting hole (116), and the third connecting hole
(116) it is connected with second connecting hole (1143).
2. gear pump oil extraction housing according to claim 1, which is characterized in that the oil extraction portion (111) is equipped with oil scupper
(1114), for the connecting portion (112) on the slot bottom of the oil scupper (1114), the third connecting hole (116) connects institute
State oil scupper (1114) and the first step hole (114).
3. gear pump oil extraction housing according to claim 2, which is characterized in that the third connecting hole (116) is close to institute
State the fixing end of connecting portion (112).
4. gear pump oil extraction housing according to claim 2, which is characterized in that the slot bottom of the oil scupper (1114) is equipped with
Outage (1112).
5. according to claim 2~4 any one of them gear pump oil extraction housing, which is characterized in that the oil scupper (1114)
Slot bottom be equipped with motor wiring hole (1116).
6. according to claim 2~4 any one of them gear pump oil extraction housing, which is characterized in that the oil extraction portion (111) exists
The edge ring of the oil scupper (1114) is equipped with mounting portion (113), and the mounting portion (113) is equipped with mounting hole (115).
7. according to Claims 1 to 4 any one of them gear pump oil extraction housing, which is characterized in that the oil extraction portion (111) and
Connecting portion (112) is integrally formed formula structure.
8. a kind of gear pump, which is characterized in that including motor rotor component (120), oil suction housing unit (130) and claim
1~7 any one of them gear pump oil extraction housing, the motor rotor component (120) include main shaft (121) and clutch shaft bearing
(122), one end of the main shaft (121) is installed on the first step hole (114), the oil suction by clutch shaft bearing (122)
Housing unit (130) connect to form host cavity with the oil extraction portion (111), and the motor rotor component (120) is set on the receipts
In cavity volume.
9. gear pump according to claim 8, which is characterized in that the motor rotor component (120) further includes the second axis
It holds (123), the oil suction housing unit (130) passes through institute equipped with second step hole (131), the other end of the main shaft (121)
It states second bearing (123) and is installed on the second step hole (131).
10. gear pump according to claim 9, which is characterized in that the clutch shaft bearing (122) and the second bearing
(123) it is sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430239.1A CN105864031B (en) | 2016-06-15 | 2016-06-15 | Gear pump oil extraction housing and the gear pump for including the gear pump oil extraction housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430239.1A CN105864031B (en) | 2016-06-15 | 2016-06-15 | Gear pump oil extraction housing and the gear pump for including the gear pump oil extraction housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864031A CN105864031A (en) | 2016-08-17 |
| CN105864031B true CN105864031B (en) | 2018-07-10 |
Family
ID=56650629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610430239.1A Active CN105864031B (en) | 2016-06-15 | 2016-06-15 | Gear pump oil extraction housing and the gear pump for including the gear pump oil extraction housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864031B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169511A (en) * | 1996-06-07 | 1998-01-07 | 松下电器产业株式会社 | Gear pump for use in electrically-operated sealed compressor |
| CN1296133A (en) * | 1999-11-15 | 2001-05-23 | 沙厄-丹福丝股份有限公司 | Positive-displacement type hydraulic component with almost zero side gap |
| KR20080054237A (en) * | 2006-12-12 | 2008-06-17 | 현대자동차주식회사 | Fuel pump structure |
| CN201206548Y (en) * | 2008-03-21 | 2009-03-11 | 国营第三九四厂 | Long life high speed gear pump |
| CN102362100A (en) * | 2009-09-25 | 2012-02-22 | 爱信艾达株式会社 | Drive device |
| CN202370828U (en) * | 2011-12-12 | 2012-08-08 | 重庆气体压缩机厂有限责任公司 | Rotor type oil pump |
| CN205858660U (en) * | 2016-06-15 | 2017-01-04 | 珠海格力电器股份有限公司 | Gear pump oil extraction housing and comprise the gear pump of this gear pump oil extraction housing |
-
2016
- 2016-06-15 CN CN201610430239.1A patent/CN105864031B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169511A (en) * | 1996-06-07 | 1998-01-07 | 松下电器产业株式会社 | Gear pump for use in electrically-operated sealed compressor |
| CN1296133A (en) * | 1999-11-15 | 2001-05-23 | 沙厄-丹福丝股份有限公司 | Positive-displacement type hydraulic component with almost zero side gap |
| KR20080054237A (en) * | 2006-12-12 | 2008-06-17 | 현대자동차주식회사 | Fuel pump structure |
| CN201206548Y (en) * | 2008-03-21 | 2009-03-11 | 国营第三九四厂 | Long life high speed gear pump |
| CN102362100A (en) * | 2009-09-25 | 2012-02-22 | 爱信艾达株式会社 | Drive device |
| CN202370828U (en) * | 2011-12-12 | 2012-08-08 | 重庆气体压缩机厂有限责任公司 | Rotor type oil pump |
| CN205858660U (en) * | 2016-06-15 | 2017-01-04 | 珠海格力电器股份有限公司 | Gear pump oil extraction housing and comprise the gear pump of this gear pump oil extraction housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105864031A (en) | 2016-08-17 |
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