CN207795556U - A kind of crescent gear pump - Google Patents
A kind of crescent gear pump Download PDFInfo
- Publication number
- CN207795556U CN207795556U CN201721884221.5U CN201721884221U CN207795556U CN 207795556 U CN207795556 U CN 207795556U CN 201721884221 U CN201721884221 U CN 201721884221U CN 207795556 U CN207795556 U CN 207795556U
- Authority
- CN
- China
- Prior art keywords
- pump housing
- driving wheel
- tooth post
- pump
- driven wheel
- 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
The utility model discloses a kind of crescent gear pumps,Including pedestal,The top of the pedestal is provided with the pump housing,And the pump housing is an integral structure with pedestal,The side of the pump housing is provided with inlet,And inlet is an integral structure with the pump housing,The top of the pump housing is provided with liquid outlet,And liquid outlet is an integral structure with the pump housing,The pump pars intramuralis of the pump housing is equipped with thermal conductive material layer,Cushioning material is installed on the inside of the thermal conductive material layer,The pump housing is internally provided with driven wheel,And driven wheel is rotatablely connected with the pump housing by shaft,The utility model is provided with swing link through-hole and driving wheel tooth post through-hole,Lubricating fluid is injected at the liquid injection port being arranged on drive shaft or waits for pump liquid,Lubricating fluid waits for that pump liquid enters from driving wheel tooth post through hole in the pump housing again,The swing link through-hole being arranged on cooperation swing link,The lubrication between gear can be realized under the situation that driving wheel rotates one week,Reduce the abrasion between gear,Extend the service life of the pump housing.
Description
Technical field
The utility model belongs to gear pump technical field, and in particular to a kind of crescent gear pump.
Background technology
Crescent gear pump is to use gear internal messing principle, and internal-external gear pitch circle abuts one side, and another side is by pump cover "
Swing link " separates, the active internal gear on main shaft drives wherein external gear to rotate in same direction, and is separated from each other to be formed in entrance gear
Negative pressure and suck liquid, liquid is squeezed in the constantly embedded engagement in exit and is exported by gear, due to this unique texture, so
The medium big especially suitable for transport viscosity.
But currently on the market in nibble it is bad with gear pump using effect, it is empty between each gear of the pump housing when just starting to start
Turn, easily cause the abrasion between gear, the vibration of operational process middle pump body is larger, and the noise that gear rotation generates is larger.
Utility model content
The purpose of this utility model is to provide a kind of crescent gear pumps, mentioned above in the background art rigid to solve
When starting to start, dallies between each gear of the pump housing, easily cause the abrasion between gear, the vibration of operational process middle pump body is larger, gear
Rotate the larger problem of the noise generated.
To achieve the above object, the utility model provides the following technical solutions：A kind of crescent gear pump, including pedestal,
The top of the pedestal is provided with the pump housing, and the pump housing is an integral structure with pedestal, and the side of the pump housing is provided with inlet,
And inlet is an integral structure with the pump housing, the top of the pump housing is provided with liquid outlet, and liquid outlet and the pump housing are integral type
The pump pars intramuralis of structure, the pump housing is equipped with thermal conductive material layer, and cushioning material is equipped on the inside of the thermal conductive material layer,
The pump housing is internally provided with driven wheel, and driven wheel is rotatablely connected with the pump housing by shaft, is provided on the driven wheel
Driven wheel tooth post, and driven wheel tooth post is an integral structure with driven wheel, and swing link is provided on the inside of the driven wheel tooth post,
And swing link is an integral structure with the pump housing, and swing link through-hole, the inside setting of the swing link are offered on the swing link
There is drive shaft, and drive shaft is rotatablely connected with the pump housing by bearing, driving wheel is provided on the drive shaft, and actively
Wheel is an integral structure with drive shaft, driving wheel tooth post is provided on the driving wheel, and driving wheel tooth post is with driving wheel
The side of integral structure, the driving wheel is provided with liquid injection port, and liquid injection port is opened on drive shaft, the drive shaft
Be internally provided with diversion trench, driving wheel tooth post through-hole, and driving wheel tooth post through-hole unicom are offered in the driving wheel tooth post
To diversion trench.
Preferably, capping is installed in the liquid injection port.
Preferably, it is provided with mounting hole on the pedestal.
Preferably, the driven wheel tooth post circular array is distributed on the driven wheel.
Preferably, the pump housing is hollow cylindrical structure.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model is provided with swing link through-hole and driving wheel tooth post through-hole, the fluid injection being arranged on drive shaft
Mouthful place's injection lubricating fluid waits for pump liquid, lubricating fluid or waits for that pump liquid enters from driving wheel tooth post through hole in the pump housing again, cooperation
The lubrication between gear can be realized in the swing link through-hole being arranged on swing link under the situation that driving wheel rotates one week, reduces tooth
Abrasion between wheel extends the service life of the pump housing.
(2) the utility model is provided with thermal conductive material layer and cushioning material, the cushioning material energy good absorption of setting
The vibration generated during driven wheel high-speed rotation is conducive to improve the stability of pump housing operation, and the thermal conductive material layer of setting can
The heat conductivility for enhancing the pump housing makes the heat Quick diffusing that gear pivoting friction generates go out.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model drive shaft；
Fig. 3 is the structural schematic diagram of the utility model driving gear；
In figure：1- pedestals, 2- driven wheels, 3- inlets, the 4- pump housings, 5- drive shafts, 6- driving wheels tooth post, 7- go out liquid
Mouth, 8- driving wheels, 9- thermal conductive material layers, 10- cushioning materials, 11- swing links through-hole, 12- driven wheels tooth post, 13- swing links,
14- liquid injection ports, 15- driving wheel tooth posts through-hole, 16- diversion trenches.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of crescent gear pump, including pedestal 1, bottom
The top of seat 1 is provided with the pump housing 4, and the pump housing 4 is an integral structure with pedestal 1, and the side of the pump housing 4 is provided with inlet 3, and into
Liquid mouth 3 is an integral structure with the pump housing 4, and the top of the pump housing 4 is provided with liquid outlet 7, and liquid outlet 7 and the pump housing 4 are integral type knot
The pump pars intramuralis of structure, the pump housing 4 is equipped with thermal conductive material layer 9, and the heat for making gear pivoting friction generate by thermal conductive material layer 9 is fast
Speed distributes, and the inside of thermal conductive material layer 9 is equipped with cushioning material 10, is absorbed well by cushioning material 10 driven
The vibration generated during 2 high-speed rotations is taken turns, the pump housing 4 is internally provided with driven wheel 2, and driven wheel 2 passes through shaft with the pump housing 4
It is rotatablely connected, is provided with driven wheel tooth post 12 on driven wheel 2, and driven wheel tooth post 12 is an integral structure with driven wheel 2, it is driven
The inside of wheel tooth post 12 is provided with swing link 13, and swing link 13 is an integral structure with the pump housing 4, and the moon is offered on swing link 13
The inside of dental lamina through-hole 11, swing link 13 is provided with drive shaft 5, and drive shaft 5 is rotatablely connected with the pump housing 4 by bearing,
It is provided with driving wheel 8 on drive shaft 5, and driving wheel 8 is an integral structure with drive shaft 5, is provided on driving wheel 8 actively
Tooth post 6 is taken turns, and driving wheel tooth post 6 is an integral structure with driving wheel 8, the side of driving wheel 8 is provided with liquid injection port 14, convenient for note
Liquid lubricates, and the service life of the pump housing 4 is improved by lubrication, and liquid injection port 14 is opened on drive shaft 5, drive shaft 5 it is interior
Portion is provided with diversion trench 16, driving wheel tooth post through-hole 15 is offered in driving wheel tooth post 6, and 15 unicom of driving wheel tooth post through-hole is extremely
Diversion trench 16.
Liquid leakage when drive shaft 5 rotates in order to prevent, in the present embodiment, it is preferred that envelope is equipped in liquid injection port 14
Lid.
For the ease of fixation, in the present embodiment, it is preferred that be provided with mounting hole on pedestal 1.
In order to enable driven wheel tooth post 12 to engage driving wheel tooth post 6, in the present embodiment, it is preferred that driven wheel tooth post 12
Circular array is distributed on driven wheel 2.
For the ease of forming height pressure area, in the present embodiment, it is preferred that the pump housing 4 is hollow cylindrical structure.
The operation principle and process for using of the utility model：In use, external transmission device drives drive shaft 5 to rotate,
Drive shaft 5 makes the driving wheel being fixed thereon 8 that driving wheel tooth post 6 be driven to rotate, and driving wheel tooth post 6 makes during rotation
The driven wheel tooth post 12 engaged rotates, and by driven wheel tooth post 12, so that driven wheel 2 is rotate in same direction with driving wheel 8, passes through the moon
Pump chamber is divided into higher-pressure region and low-pressure area by dental lamina 13, and driving wheel tooth post 6 and driven wheel tooth post 12 are separated from each other shape at inlet 3
Liquid is sucked at low pressure, at liquid outlet 7 the constantly embedded engagement of driving wheel tooth post 6 and driven wheel tooth post 12 liquid is squeezed defeated
Go out, it is contemplated that when the pump housing 4 just starts running, liquid does not enter in the pump housing 4 simultaneously, 12 grade portions of driving wheel tooth post 6 and driven wheel tooth post
Part is all idle running, easily causes abrasion, by injecting lubricating fluid at the liquid injection port 14 that is arranged on drive shaft 5 or waiting for pump liquid,
Lubricating fluid waits for that pump liquid enters from driving wheel tooth post through-hole 15 in the pump housing 4 again, and it is logical that swing link is provided on swing link 13
The lubrication between gear can be realized in hole 11 under the situation that driving wheel 8 rotates one week, reduces the abrasion between gear, extends the pump housing 4
Service life, the vibration that the cushioning material 10 of setting can absorb driving wheel tooth post 6 and the rotation of driven wheel tooth post 12 generates
And noise, the thermal conductive material layer 9 of setting can go out the heat Quick diffusing that gear pivoting friction generates.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of crescent gear pump, including pedestal (1), it is characterised in that：The top of the pedestal (1) is provided with the pump housing (4),
And the pump housing (4) is an integral structure with pedestal (1), the side of the pump housing (4) is provided with inlet (3), and inlet (3) with
The pump housing (4) is an integral structure, and the top of the pump housing (4) is provided with liquid outlet (7), and liquid outlet (7) and the pump housing (4) are one
The pump pars intramuralis of body formula structure, the pump housing (4) is equipped with thermal conductive material layer (9), the inside installation of the thermal conductive material layer (9)
There is cushioning material (10), the pump housing (4) is internally provided with driven wheel (2), and driven wheel (2) and the pump housing (4) are by turning
Axis is rotatablely connected, and is provided with driven wheel tooth post (12) on the driven wheel (2), and driven wheel tooth post (12) is with driven wheel (2)
Integral structure is provided with swing link (13) on the inside of the driven wheel tooth post (12), and swing link (13) and the pump housing (4) are one
Body formula structure offers swing link through-hole (11) on the swing link (13), transmission is provided on the inside of the swing link (13)
Shaft (5), and drive shaft (5) is rotatablely connected with the pump housing (4) by bearing, and driving wheel is provided on the drive shaft (5)
(8), and driving wheel (8) is an integral structure with drive shaft (5), and driving wheel tooth post (6) is provided on the driving wheel (8),
And driving wheel tooth post (6) is an integral structure with driving wheel (8), the side of the driving wheel (8) is provided with liquid injection port (14), and
Liquid injection port (14) is opened on drive shaft (5), and the drive shaft (5) is internally provided with diversion trench (16), the active
Offer driving wheel tooth post through-hole (15) on wheel tooth post (6), and driving wheel tooth post through-hole (15) unicom is to diversion trench (16).
2. a kind of crescent gear pump according to claim 1, it is characterised in that：Envelope is installed on the liquid injection port (14)
Lid.
3. a kind of crescent gear pump according to claim 1, it is characterised in that：It is provided with fixation on the pedestal (1)
Hole.
4. a kind of crescent gear pump according to claim 1, it is characterised in that：The driven wheel tooth post (12) is in a ring
Array distribution is on driven wheel (2).
5. a kind of crescent gear pump according to claim 1, it is characterised in that：The pump housing (4) is hollow cylinder
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884221.5U CN207795556U (en) | 2017-12-29 | 2017-12-29 | A kind of crescent gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884221.5U CN207795556U (en) | 2017-12-29 | 2017-12-29 | A kind of crescent gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795556U true CN207795556U (en) | 2018-08-31 |
Family
ID=63278844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721884221.5U Expired - Fee Related CN207795556U (en) | 2017-12-29 | 2017-12-29 | A kind of crescent gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320883A (en) * | 2022-01-12 | 2022-04-12 | 安徽江淮汽车集团股份有限公司 | Inner gearing cycloid pump |
-
2017
- 2017-12-29 CN CN201721884221.5U patent/CN207795556U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320883A (en) * | 2022-01-12 | 2022-04-12 | 安徽江淮汽车集团股份有限公司 | Inner gearing cycloid pump |
| CN114320883B (en) * | 2022-01-12 | 2023-08-22 | 安徽江淮汽车集团股份有限公司 | Internally meshed cycloid pump |
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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: 20180831 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |