CN205858660U - Gear pump oil discharge shell and gear pump comprising same - Google Patents
Gear pump oil discharge shell and gear pump comprising same Download PDFInfo
- Publication number
- CN205858660U CN205858660U CN201620579559.9U CN201620579559U CN205858660U CN 205858660 U CN205858660 U CN 205858660U CN 201620579559 U CN201620579559 U CN 201620579559U CN 205858660 U CN205858660 U CN 205858660U
- Authority
- 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.)
- Withdrawn - After Issue
Links
- 238000000605 extraction Methods 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a gear pump oil extraction casing and gear pump, including oil extraction portion and the connecting portion of locating the inner wall of oil extraction portion, first step hole is seted up to connecting portion, and first step hole is including keeping away from the first connecting hole of inner wall and the second connecting hole that is close to the inner wall, and the size of first connecting hole is greater than the size of second connecting hole, and connecting portion radially set up the third connecting hole in first step hole, and third connecting hole and second connecting hole intercommunication. The gear pump oil discharge shell is used for the gear pump. The main shaft of gear pump passes through first bearing and installs in first connecting hole. Because third connecting hole and second connecting hole intercommunication, the oil body in the gear pump oil extraction casing can take place the heat exchange with main shaft and first bearing, takes away the partial heat that main shaft and first bearing relative motion produced when the gear pump is high-speed rotatory, avoids appearing the high temperature and causes the problem of main shaft and first bearing damage to improve the life of main shaft and first bearing.
Description
Technical field
This utility model relates to gear pump technical field, particularly to a kind of gear pump oil extraction housing and comprise this gear pump
The gear pump of oil extraction housing.
Background technology
Gear pump is a kind of conventional hydraulic pump in Hydraulic Power Transmission System, can divide crescent gear pump by gear mesh form
With external gear rotary pump two kinds.Crescent gear pump is to use gear internal messing principle, outside the active internal gear on main shaft drives
Gear (i.e. outer rotor, escapement) rotating in same direction.It is separated from each other formation negative pressure at import department two gear and sucks liquid, in exit
Two gears constantly embed engagement and liquid extruding are exported.Two corresponding gear coordinate the spatial volume change circulation one formed
Secondary, it is achieved to suck material and discharge material the most once.
Compared with external gear rotary pump, crescent gear pump has the advantages such as compact conformation, light weight and size are little.And it is interior
The gear rotating Vortex of intermeshing gear pump, relative sliding velocity is little, and abrasion is slight, so its service life is long.It addition, internal messing
The flow pulsation of gear pump is little, so pressure fluctuation and noise are less.Meanwhile, fluid is nibbled in being the most easily full of
Closing the inter-tooth slots of gear pump, so allowing crescent gear pump high speed rotating, therefore crescent gear pump has volumetric efficiency relatively
High advantage.But crescent gear pump high speed rotating produces amount of heat, is easily caused the damage of bearing.
Utility model content
Based on this, it is necessary to provide the gear pump oil extraction housing in a kind of service life improving bearing and comprise this gear pump
The gear pump of oil extraction housing.
A kind of gear pump oil extraction housing, including oil extraction portion and connecting portion, described connecting portion includes fixing end and solid with described
The connection end that fixed end is relative, described fixing end is located in described oil extraction portion, and described connection end is provided with first step hole, and described first
Stepped hole includes the first connecting hole that internal diameter is bigger and less the second connecting hole of internal diameter, described first connecting hole the most described
Two connecting holes are away from described fixing end, and the hole wall in described first step hole is provided with the 3rd connecting hole, and described 3rd connecting hole
Connect with described second connecting hole.
Said gear pump oil extraction housing, for gear pump.The main shaft of gear pump is installed on the first connection by clutch shaft bearing
Hole.Clutch shaft bearing is played position-limiting action by the first connecting hole, thus preferably supports main shaft rotates；Simultaneously because the 3rd connecting hole
Connecting with the second connecting hole, the oil body in gear pump oil extraction housing with main shaft and clutch shaft bearing generation heat exchange, thus can be taken away
The partial heat that during gear pump high speed rotating, main shaft and clutch shaft bearing relative motion produce, it is to avoid occur that high temperature causes main shaft and the
The problem of one bearing damage, thus improve the service life of main shaft and clutch shaft bearing.
Wherein in an embodiment, described oil extraction portion is provided with oil scupper, and described connecting portion is located at the groove of described oil scupper
, described 3rd connecting hole connects described oil scupper and described first step hole at the end.
Wherein in an embodiment, described 3rd connecting hole is near the described fixing end of described connecting portion.
Wherein in an embodiment, the bottom land of described oil scupper is provided with outage.
Wherein in an embodiment, the bottom land of described oil scupper is provided with motor wiring hole.
Wherein in an embodiment, described oil extraction portion is provided with installation portion, described installation in the edge ring of described oil scupper
Portion is provided with installing hole.
Wherein in an embodiment, described gear pump oil extraction housing is formed in one formula structure.
A kind of gear pump, including motor rotor component, oil suction housing unit and said gear pump oil extraction housing, described motor
Rotor assembly includes main shaft and clutch shaft bearing, and one end of described main shaft is installed on described first step hole, institute by clutch shaft bearing
Stating oil suction housing unit and be connected formation host cavity with described oil extraction portion, described motor rotor component is located in described host cavity.
Wherein in an embodiment, described motor rotor component also includes that the second bearing, described oil suction housing unit set
Having second step hole, the other end of described main shaft is installed on described second step hole by described second bearing.
Wherein in an embodiment, described clutch shaft bearing and described second bearing are sliding bearing.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the gear pump oil extraction housing of this utility model one embodiment；
Fig. 2 is the top view of gear pump oil extraction housing shown in Fig. 1；
Fig. 3 is the upward view of gear pump oil extraction housing shown in Fig. 1；
Fig. 4 is the profile of the line A-A of gear pump oil extraction housing shown in Fig. 2；
Fig. 5 is the profile of the gear pump of this utility model one embodiment.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched
State.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can come real in many different forms
Existing, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make public affairs of the present utility model
The understanding opening content is more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein
The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Term as used herein "and/or" includes
Arbitrary and all of combination of one or more relevant Listed Items.
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 connection end relative with this fixing end.Connecting portion 112
Fixing end is located in oil extraction portion 111.The connection end of connecting portion 112 is provided with first step hole 114.
First step hole 114 includes the first connecting hole 1141 that internal diameter is bigger and less the second connecting hole 1143 of internal diameter,
Relative second connecting hole 1143 of first connecting hole 1141 is away from fixing end.The hole wall in first step hole 114 is provided with the 3rd connection
Hole 116, and the 3rd connecting hole 116 connects with the second connecting hole 1143.Concrete, the 3rd connecting hole 116 is near connecting portion 112
Fixing end.
Said gear pump oil extraction housing 110, for gear pump 100 (see Fig. 5).The main shaft 121 (see Fig. 5) of gear pump 100
It is installed in the first connecting hole 1141 by clutch shaft bearing 122 (see Fig. 5).Clutch shaft bearing 122 is played by the first connecting hole 1141
Position-limiting action, thus preferably supports main shaft rotates；Simultaneously because the 3rd connecting hole 116 connects with the second connecting hole 1143, tooth
Oil body in wheel pump oil extraction housing 110 can occur heat exchange with main shaft 121 and clutch shaft bearing 122, thus it is high to take away gear pump 100
The partial heat that when speed rotates, main shaft 121 and clutch shaft bearing 122 relative motion produce, it is to avoid occur that high temperature causes main shaft 121 He
The problem that clutch shaft bearing 122 damages, thus improve main shaft 121 and the service life of clutch shaft bearing 122.
With continued reference to Fig. 1, concrete, oil extraction portion 111 is provided with oil scupper 1114, and connecting portion 112 is located at oil scupper 1114
On bottom land.Oil scupper 1114 connects the 3rd connecting hole 116 and outage 1112.After gear pump 100 sucks oil body, first oil body is squeezed
Going out in the oil scupper 1114 of gear pump oil extraction housing 110, the oil body in oil scupper 1114 enters the by the 3rd connecting hole 116
One stepped hole 114, thus generation heat exchange is contacted with main shaft 121 and clutch shaft bearing 122, and then take away its partial heat.Along with
Oil body is constantly extruded discharges in oil scupper 1114 He constantly from outage 1112, and heat exchange can persistently be carried out, from
And avoid the occurrence of the problem that high temperature causes main shaft 121 and clutch shaft bearing 122 to damage, and then improve main shaft 121 and clutch shaft bearing 122
Service life.
Concrete, the bottom land of oil scupper 1114 is provided with outage 1112.Outage 1112 can be connected 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.
Concrete, the bottom land of oil scupper 1114 is provided with motor wiring hole 1116.Motor wiring hole 1116 is used for connecting motor
Power line.
Concrete, oil extraction portion 111 is provided with installation portion 113 in the edge ring of oil scupper 1114.Installation portion is provided with installing hole
115, installing hole 115 is used for installing this gear pump oil extraction housing 110.More specifically, in the present embodiment, installing hole 115 is uniform
It is distributed in the circumference of installation portion 113.
Concrete, oil extraction portion 111 and connecting portion 112 are formed in one formula structure.I.e. gear pump oil extraction housing 110 is integrated
Formation type structure.On the one hand, first step hole 114 integrated with oil extraction portion 111 can the most more uniformly supports main shaft
121 rotate；On the other hand, connecting portion 112 is one-body molded with oil extraction portion 111, eliminates connecting portion 112 mutual with oil extraction portion 111
Coordinate or interconnective parts, efficiently reduce the size of gear pump oil extraction housing 110, and then gear pump 100 can be reduced
Axial dimension.More specifically, gear pump oil extraction housing 110 is integrated casting.
With reference to Fig. 3, this utility model additionally provides the gear pump 100 of an embodiment, including motor rotor component 120, inhales
Oil housing unit 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 is connected formation and houses with oil extraction portion 111
Chamber, motor rotor component 120 is located in host cavity.Concrete, the oil suction housing unit 130 installing hole 113 by installation portion 113
It is connected with oil extraction portion 111.
Said gear pump 100, uses gear pump oil extraction housing 110.During work, the oil body in gear pump oil extraction housing 110 can
Heat exchange is there is with main shaft 121 and clutch shaft bearing 122, thus main shaft 121 and clutch shaft bearing when taking away gear pump 100 high speed rotating
The partial heat that 122 relative motioies produce, it is to avoid occur that high temperature causes the problem that main shaft 121 and clutch shaft bearing 122 damage, thus
Improve main shaft 121 and the service life of clutch shaft bearing 122.
Concrete, in the present embodiment, motor rotor component 120 also includes the 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 another
One end is installed on second step hole 131 by the second bearing 123.
More specifically, clutch shaft bearing 122 and the second bearing 123 are sliding bearing.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a gear pump oil extraction housing, it is characterised in that include oil extraction portion (111) and connecting portion (112), described connecting portion
(112) including fixing end and the connection end relative with described fixing end, described fixing end is located on described oil extraction portion (111), institute
Stating connection end and be provided with first step hole (114), described first step hole (114) includes the first connecting hole (1141) that internal diameter is bigger
And the second connecting hole (1143) that internal diameter is less, described the most described second connecting hole of first connecting hole (1141) (1143) away from
Described fixing end, the hole wall of described first step hole (114) is provided with the 3rd connecting hole (116), and described 3rd connecting hole
(116) connect with described second connecting hole (1143).
Gear pump oil extraction housing the most according to claim 1, it is characterised in that described oil extraction portion (111) is provided with oil scupper
(1114), described connecting portion (112) is located on the bottom land of described oil scupper (1114), and described 3rd connecting hole (116) connects institute
State oil scupper (1114) and described first step hole (114).
Gear pump oil extraction housing the most according to claim 2, it is characterised in that described 3rd connecting hole (116) is near institute
State the described fixing end of connecting portion (112).
Gear pump oil extraction housing the most according to claim 2, it is characterised in that the bottom land of described oil scupper (1114) is provided with
Outage (1112).
5. according to the gear pump oil extraction housing described in any one of claim 2～4, it is characterised in that described oil scupper (1114)
Bottom land be provided with motor wiring hole (1116).
6. according to the gear pump oil extraction housing described in any one of claim 2～4, it is characterised in that described oil extraction portion (111) exists
The edge ring of described oil scupper (1114) is provided with installation portion (113), and described installation portion (113) is provided with installing hole (115).
7. according to the gear pump oil extraction housing described in any one of Claims 1 to 4, it is characterised in that described oil extraction portion (111) and
Connecting portion (112) is formed in one formula structure.
8. a gear pump, it is characterised in that include motor rotor component (120), oil suction housing unit (130) and claim
Gear pump oil extraction housing described in 1～7 any one, described motor rotor component (120) includes main shaft (121) and clutch shaft bearing
(122), one end of described main shaft (121) is installed on described first step hole (114), described oil suction by clutch shaft bearing (122)
Housing unit (130) is connected formation host cavity with described oil extraction portion (111), and described motor rotor component (120) is located at described receipts
In cavity volume.
Gear pump the most according to claim 8, it is characterised in that described motor rotor component (120) also includes the second axle
Holding (123), described oil suction housing unit (130) is provided with second step hole (131), and the other end of described main shaft (121) passes through institute
State the second bearing (123) and be installed on described second step hole (131).
Gear pump the most according to claim 9, it is characterised in that described clutch shaft bearing (122) and described second bearing
(123) it is sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579559.9U CN205858660U (en) | 2016-06-15 | 2016-06-15 | Gear pump oil discharge shell and gear pump comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579559.9U CN205858660U (en) | 2016-06-15 | 2016-06-15 | Gear pump oil discharge shell and gear pump comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858660U true CN205858660U (en) | 2017-01-04 |
Family
ID=57638970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620579559.9U Withdrawn - After Issue CN205858660U (en) | 2016-06-15 | 2016-06-15 | Gear pump oil discharge shell and gear pump comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864031A (en) * | 2016-06-15 | 2016-08-17 | 珠海格力电器股份有限公司 | Gear pump oil discharge shell and gear pump comprising same |
-
2016
- 2016-06-15 CN CN201620579559.9U patent/CN205858660U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864031A (en) * | 2016-06-15 | 2016-08-17 | 珠海格力电器股份有限公司 | Gear pump oil discharge shell and gear pump comprising same |
| CN105864031B (en) * | 2016-06-15 | 2018-07-10 | 珠海格力电器股份有限公司 | Gear pump oil discharge shell and gear pump comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5384322B2 (en) | Pump impeller and submersible pump equipped with the impeller | |
| CN101711313A (en) | Integrated internal gear pump with an electric motor | |
| CN101042181A (en) | Oil pump structure of transmission | |
| JP4911790B2 (en) | Roots type vacuum pump | |
| CN201144829Y (en) | Electric machine built-in vane pump | |
| CN205858660U (en) | Gear pump oil discharge shell and gear pump comprising same | |
| CN109882424B (en) | High power density centrifugal fan and centrifugal fan control system | |
| CN205669495U (en) | Oil-submersible pump | |
| CN206129592U (en) | Pump and method of operating the same | |
| CN105264234B (en) | Rotating machinery | |
| CN204358404U (en) | A kind of built-in oil well pump | |
| JP2008308991A (en) | Internal gear pump | |
| CN110425404A (en) | A kind of lubrication system of new-energy automobile power motor bearing | |
| CN105864031B (en) | Gear pump oil discharge shell and gear pump comprising same | |
| CN1928364A (en) | Hydraulic engine gear pump | |
| JP5392163B2 (en) | Casing structure | |
| CN204163993U (en) | A kind of screw air compressor | |
| CN202370828U (en) | Rotor type oil pump | |
| KR101413694B1 (en) | micro gear-pump with sheet spring | |
| CN204553214U (en) | Built-in oil pump | |
| CN210715085U (en) | Hydraulic pump housing for construction machinery | |
| CN110925205B (en) | Individual household closestool vacuum pump | |
| CN104295401B (en) | Gear chamber for engine | |
| CN217501986U (en) | Vertical screw vacuum pump | |
| CN204328434U (en) | A kind of lubricating pump of automobile pump cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20180710 |