CN206129592U - Pump - Google Patents
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- Publication number
- CN206129592U CN206129592U CN201621144836.XU CN201621144836U CN206129592U CN 206129592 U CN206129592 U CN 206129592U CN 201621144836 U CN201621144836 U CN 201621144836U CN 206129592 U CN206129592 U CN 206129592U
- Authority
- CN
- China
- Prior art keywords
- housing
- cavity
- pump
- fluid
- separating part
- 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)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a pump, which comprises a housin, drive division and fluid pump send the portion, the inside of casing is provided with the partition portion that supports, it becomes first cavity and second cavity to support the internal partitioning who separates inferior officer's casing, form a ring groove who communicates with the second cavity between the inner wall of support partition portion and casing, the fluid pump portion of sending installs in the installation cavity that supports partition portion, the one end of drive division is passed behind the through -hole that supports in the partition portion and to be connected with the fluid pump portion of sending, fluid pump send the fluid pressure in the first cavity of inferior officer to go into the second cavity and by the outside pump play of second cavity. The utility model discloses usable fluid of filling to the ring groove in, the active absorption with reduce the noise that produces when the fluid pump portion of sending rotates, can take away the casing moreover and the heat that supports partition portion, be favorable to the casing wholly to dispel the heat, flow pulsation is little, the electric efficiency is high, have compact structure, with low costs, small in noise, characteristics that the heat dissipation is good.
Description
Technical field
The utility model is related to technical field of fluid delivery, more particularly to a kind of pump.
Background technology
Gear pump is a kind of conventional hydraulic pump in Hydraulic Power Transmission System, and by gear mesh form crescent gear pump can be divided
With two kinds of external gear rotary pump.Cycloid crescent gear pump, compared with involute external gear rotary pump, with compact conformation, matter
The advantages of measuring light, size is little.But, crescent gear pump of the prior art has that noise is big, it is bad to radiate.
Utility model content
The utility model provide a kind of pump, to solve the problems, such as prior art in pump noise it is larger, radiate it is bad.
To solve the above problems, as one side of the present utility model, there is provided a kind of pump, including housing, drive division
With fluid pump section, housing is internally provided with support separating part, supports the separating part inside of housing is separated into into the first cavity
With the second cavity, support and formed between separating part and the inwall of housing an annular recess connected with the second cavity, fluid pump
Portion is sent to be arranged in the installation cavity for supporting separating part, one end of drive division pumps through after the through hole supported on separating part with fluid
Portion connects, and the fluid in the first cavity is pressed into the second cavity and is pumped out by the second cavity by fluid pump section.
Preferably, pump also includes the regulating valve for adjusting pressure reduction between the first cavity and the second cavity.
Preferably, support and installing hole is formed with separating part, regulating valve is arranged in the installing hole for supporting separating part.
Preferably, regulating valve includes cylinder and the valve opening for connecting the first cavity and the second cavity, wherein, valve opening is edge
The through hole being radially arranged of cylinder.
Preferably, support in separating part and be also formed with by-pass prot, one end of by-pass prot connects with the first cavity, the other end is opened
It is located on the hole wall corresponding with valve opening of installing hole.
Preferably, one end of cylinder is formed with the operating portion for rotating regulating valve.
Preferably, operating portion is hexagonal depression.
Preferably, housing includes the first housing and the second housing, and one end of the first housing is connected with the second shell one end, drives
Dynamic portion is arranged in first shell body, is supported separating part to be located in the opening of the housing of direction first of the second housing and support and is separated
The circumference in portion is connected with the inwall of opening.
Preferably, one end away from the first housing of the second housing is provided with the first shrouding, and on the first shrouding pump is offered
Outlet and valve regulated hole, operating position is in valve regulated hole.
Preferably, drive division includes rotor, motor stator and motor shaft, and rotor is arranged on motor shaft, electricity
Machine stator is fixedly mounted in first shell body and is enclosed within the outside of rotor, and one end and the fluid pump section of motor shaft connect
Connect.
Preferably, fluid pump section includes outer rotor and the internal rotor being movably arranged as in outer rotor, internal rotor and electricity
Arbor connects.
Preferably, separating part is supported to include body and cover plate, being formed with away from the first housing side for body is used as to install
The depressed part in chamber, cover plate is arranged on body and covers the opening of depressed part, is formed with the position corresponding to installation cavity of cover plate
Drainage port, body to be corresponded to and be formed with suction head piece at the position of installation cavity.
Preferably, it is formed with least one flow-in hole in the circumferential side wall of the first housing, it is right that the outside of the first housing is cased with
Into the screen pack that the fluid of flow-in hole is filtered.
Preferably, one end away from the second housing of the first housing is provided with the second shrouding, and the other end of motor shaft can pivot
It is supported in the supporting part of the second shrouding with turning.
Preferably, pump is cycloid crescent gear pump.
The utility model can be using filling to the fluid in annular recess, when effectively absorption and reduction fluid pump section are rotated
The noise of generation, and can take away housing with support separating part heat, be conducive to housing integral heat sink, flow pulsation it is little,
Electric efficiency is high, the characteristics of with compact conformation, low cost, little noise, good heat dissipation.
Description of the drawings
Fig. 1 schematically shows overall structure diagram of the present utility model；
Fig. 2 schematically shows the front view of the second housing；
Fig. 3 schematically shows the A-A sectional views of Fig. 2；
Fig. 4 schematically shows the structural representation of regulating valve.
Reference in figure：1st, the first cavity；2nd, the second cavity；3rd, annular recess；4th, regulating valve；5th, valve opening；6th, bypass
Hole；7th, operating portion；8th, the first housing；9th, the second housing；10th, the first shrouding；11st, pump discharge；12nd, rotor；13rd, motor is fixed
Son；14th, motor shaft；15th, outer rotor；16th, internal rotor；17th, body；18th, cover plate；19th, drainage port；20th, head piece is inhaled；21st, influent stream
Hole；22nd, screen pack；23rd, through hole；24th, installing hole；25th, depressed part；26th, the second shrouding.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Pump in the utility model, particularly a kind of oil-immersed pump, it adopts the fuel-displaced shell structure of double walled, to reduce making an uproar
Sound.
As shown in figure 1, the pump in the utility model includes housing, drive division and fluid pump section.Wherein, in housing
Portion is provided with support separating part, and so as to the inside of housing is separated into into the first cavity 1 and the second cavity 2, drive division is arranged on the
In one cavity 1, fluid pump section is arranged in the installation cavity for supporting separating part.
Support and be provided with through hole 23 on separating part, so, one end of drive division can pump through after the through hole 23 with fluid
Portion connects, so as to the driven fluid pump portion of sending works.Then, the fluid in the first cavity 1 can be pressed into second by fluid pump section
Cavity 2, then again pumps out the fluid in the second cavity 2.
In particular, supporting in the utility model defines one with the second cavity between separating part and the inwall of housing
The annular recess 3 of 2 connections.The annular recess 3 is connected with the second cavity 2, and the fluid from the first cavity 1 is filled with it, this
A little fluids form the fluid layer of a ring-type, are centered around the circumference for supporting separating part, so as to support between separating part and housing
Circumference separate, formed a double wall shell structure.
During work, after fluid enters the second cavity 2 by the first cavity 1, the ring to the double wall shell structure can be filled
In shape groove 3, so as to form a fluid cavity between.By the fluid cavity, can effectively absorb and drop using fluid
The noise that low fluid pump section is produced when rotating, and housing can be taken away and the heat of separating part is supported, be conducive to housing whole
Body radiating, flow pulsation is little, electric efficiency is high, the characteristics of with compact conformation, low cost, little noise, good heat dissipation.
Because the pressure of the first cavity 1 is less than the pressure of the second cavity 2, if pressure differential therebetween is excessive, it will
Affect the security of whole pump.For this purpose, the utility model also includes a regulating valve 4, it is used to adjust the first cavity 1 and second
Pressure reduction between cavity 2.When the pressure reduction is excessive, regulating valve 4 will connect the first cavity 1 and the second cavity 2, so as to balance the two it
Between pressure differential, so as to ensure that the safety of the pump housing.When actually used, user can also with this come according to reality to pressure reduction
Allowed band, to be adjusted using this regulating valve 4.
For this purpose, the utility model forms an installing hole 24 on separating part is supported, regulating valve 4 is arranged on the installing hole 24
It is interior.So, regulating valve 4 can be integrated in pump body, so as to improve integrated level and stability.Certainly, regulating valve 4 can also pacify
The hull outside of pump is mounted in, is then coupled together the first cavity 1 and the second cavity 2 by pipeline.
In a preferred embodiment, the regulating valve 4 in the utility model include cylinder and for the cavity 1 of connection first with
The valve opening 5 of the second cavity 2, wherein, valve opening 5 is the through hole being radially arranged along cylinder.So, can be grasped by the rotation to cylinder
Make to change the angle of through hole, to reach the purpose opened and disconnect regulating valve 4.
More specifically, as shown in figure 1, the utility model also formed in separating part a by-pass prot 6 supporting, wherein, it is other
One end of through hole 6 connects with the first cavity 1, the other end be opened in installing hole with the corresponding hole wall of valve opening 5, so, work as valve
When hole 5 rotates to the position corresponding with by-pass prot 6, the first cavity 1 will be made to pass sequentially through by-pass prot 6, the chamber of valve opening 5 and second
Body 2 is connected.
For the ease of operating regulating valve 4, the utility model preferably to form one in one end of above-mentioned cylinder and be used to rotate tune
The operating portion 7 of section valve 4.When user needs to adjust the angle of valve opening 5, the rotating cylinder of operating portion 7 can be passed through.More preferably
Ground, operating portion 7 is hexagonal depression.Now, user can be using an inner hexagon spanner come rotating cylinder.
When suction pressure reduction is larger, user can connect the valve opening 5 in regulating valve 4 with by-pass prot 6, such annular recess 3
Hydraulic oil will be bypassed in the first cavity 1；If user need not, then can be with rotating cylinder, using the side of cylinder
Block by-pass prot 6.
For the ease of processing and manufacturing, the housing in the utility model can adopt split-type structural, and for example, housing may include the
One housing 8 and the second housing 9, connect into an entirety by securing members such as flange arrangement and screws therebetween.Specifically,
One end of first housing 8 is connected with the one end of the second housing 9 by flange arrangement, and drive division can be arranged in the first housing 8；
Support separating part is located in the opening of first housing of direction 8 of the second housing 9, and supports the circumference of separating part to connect with the inwall of opening
Connect, to realize detached effect.
In a preferred embodiment, the utility model installs one in one end away from the first housing 8 of the second housing 9
First shrouding 10, wherein, pump discharge 11 and valve regulated hole are offered on the first shrouding 10, operating portion 7 is located at valve regulated hole
It is interior.Fluid in second cavity 2 is flowed out outside the utility model pump by pump discharge 11, and operating portion 7 can be from outer exposed in valve
In door adjustment hole, so that operating personnel are from peripheral operation.
Drive division in the utility model adopts Motor drive, and such as drive division may include that rotor 12, motor is fixed
Son 13 and motor shaft 14, wherein, rotor 12 is arranged on motor shaft 14, and motor stator 13 is fixedly mounted in the first housing
8 outsides that are interior and being enclosed within rotor 12, then, motor stator 13 can be in the presence of electromagnetic force in the chamber of rotor 12
Rotate in vivo, rotated with motor axle 14.Fig. 1 is refer to, one end of motor shaft 14 is passed through after through hole 23, with fluid pump section
Connection, so as to the driven fluid pump portion of sending rotates.Further, the utility model in the first housing 8 away from the one of the second housing 9
End is provided with second shrouding 26, and the other end of motor shaft 14 is pivotally supported in the supporting part of the second shrouding 26.This
Sample, one end of motor shaft 14 is supported in through hole 23, and the other end is supported in the supporting part of the second shrouding 26.
Fig. 1 is refer to, in order to form installation cavity, support separating part of the present utility model includes body 17 and cover plate 18, its
In, body 17 is formed with a depressed part 25 away from the side of the first housing 8, and cover plate 18 is arranged on the side of body 17,
And the opening of depressed part 25 is covered, so, depressed part 25 is just covered so as to form above-mentioned installation cavity by cover plate 18.For fluid
Turnover, be formed with drainage port 19 at the position corresponding to installation cavity of cover plate 18, body 17 corresponding to the position of installation cavity at
It is formed with suction head piece 20.
As shown in figure 1, the fluid pump section in the utility model preferably includes outer rotor 15 and is movably arranged as outer
Internal rotor 16 in rotor 15, internal rotor 16 is connected with motor shaft 14.Wherein, when outer rotor 15 and internal rotor 16 are separated from each other
Negative pressure being caused at suction head piece 20 and sucking liquid, the two is intermeshed at drainage port 19, and fluid compression is exported.
Fig. 1 is refer to, the utility model is formed with least one flow-in hole 21 in the circumferential side wall of the first housing 8,
In one preferred embodiment, four flow-in holes 21 can be respectively opened up at the two ends of the first housing 8, i.e., open up eight flow-in holes altogether
21.In order to filter the fluid into the first housing 8, the utility model is also arranged a screen pack 22 in the outside of the first housing 8,
The screen pack 22 can be cylindrical in shape, and be directly sleeved on the outer surface of the first housing 8, and cover all of flow-in hole 21, so as to mistake
Filter the impurity for being possible to affect the utility model pump normally to run.
Preferably, the pump in the utility model is cycloid crescent gear pump.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (15)
1. a kind of pump, it is characterised in that including housing, drive division and fluid pump section, the housing is internally provided with support
The inside of the housing is separated into the first cavity (1) and the second cavity (2), the support by separating part, the support separating part
An annular recess (3) connected with second cavity (2), the fluid are formed between separating part and the inwall of the housing
Pump section is arranged in the installation cavity of the support separating part, and one end of the drive division is through leading on the support separating part
Fluid in first cavity (1) is pressed into described second by fluid pump section connection described in Kong Houyu, the fluid pump section
Cavity (2) is simultaneously pumped out by second cavity (2).
2. pump according to claim 1, it is characterised in that the pump also include for adjust first cavity (1) with
The regulating valve (4) of pressure reduction between second cavity (2).
3. pump according to claim 2, it is characterised in that installing hole, the regulation are formed with the support separating part
Valve (4) is in the installing hole of the support separating part.
4. pump according to claim 3, it is characterised in that the regulating valve (4) including cylinder with for connecting described
The valve opening (5) of one cavity (1) and second cavity (2), wherein, the valve opening (5) is being radially arranged along the cylinder
Through hole.
5. pump according to claim 4, it is characterised in that by-pass prot (6) is also formed with the support separating part, it is described
One end of by-pass prot (6) connects with first cavity (1), the other end is opened in the right with the valve opening (5) of the installing hole
On the hole wall answered.
6. pump according to claim 4, it is characterised in that one end of the cylinder is formed with for rotating the regulating valve
(4) operating portion (7).
7. pump according to claim 6, it is characterised in that the operating portion (7) is hexagonal depression.
8. pump according to claim 6, it is characterised in that the housing includes the first housing (8) and the second housing (9),
One end of first housing (8) is connected with described second housing (9) one end,
The drive division is arranged in first housing (8), the direction for supporting separating part to be located at second housing (9)
In the opening of first housing (8) and described the circumference of separating part is supported to be connected with the inwall of the opening.
9. pump according to claim 8, it is characterised in that second housing (9) away from first housing (8)
One end is provided with the first shrouding (10), and on first shrouding (10) pump discharge (11) and valve regulated hole, the behaviour are offered
Make portion (7) in the valve regulated hole.
10. pump according to claim 8, it is characterised in that the drive division includes rotor (12), motor stator
(13) and motor shaft (14), the rotor (12) is on the motor shaft (14), and the motor stator (13) is fixed
Ground is arranged in first housing (8) and is enclosed within the outside of the rotor (12), one end of the motor shaft (14) with
The fluid pump section connection.
11. pumps according to claim 10, it is characterised in that the fluid pump section is including outer rotor (15) and actively
The internal rotor (16) being arranged in the outer rotor (15), the internal rotor (16) is connected with the motor shaft (14).
12. pumps according to claim 11, it is characterised in that the support separating part includes body (17) and cover plate
(18), the body (17) away from the first housing (8) side is formed with the depressed part as the installation cavity, the lid
Plate (18) is installed in the body (17) and covers the opening of the depressed part, the cover plate (18) corresponding to the installation cavity
Position at be formed with drainage port (19), the body (17) is formed with suction head piece at the position corresponding to the installation cavity
(20)。
13. pumps according to claim 11, it is characterised in that be formed with the circumferential side wall of first housing (8) to
A few flow-in hole (21), the outside of first housing (8) is cased with filtering the fluid into the flow-in hole (21)
Screen pack (22).
14. pumps according to claim 10, it is characterised in that first housing (8) away from second housing (9)
One end the second shrouding (26) is installed, the other end of the motor shaft (14) is pivotally supported at second shrouding (26)
Supporting part in.
15. pumps according to any one of claim 1-14, it is characterised in that the pump is cycloid crescent gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144836.XU CN206129592U (en) | 2016-10-21 | 2016-10-21 | Pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144836.XU CN206129592U (en) | 2016-10-21 | 2016-10-21 | Pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129592U true CN206129592U (en) | 2017-04-26 |
Family
ID=58573859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144836.XU Expired - Fee Related CN206129592U (en) | 2016-10-21 | 2016-10-21 | Pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438341A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Pump |
| CN109973376A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Electric oil pump assembly and vehicle with it |
| CN109973384A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Oil pump component and electric oil pump assembly and vehicle with it |
-
2016
- 2016-10-21 CN CN201621144836.XU patent/CN206129592U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438341A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Pump |
| CN106438341B (en) * | 2016-10-21 | 2018-11-02 | 珠海格力电器股份有限公司 | Pump |
| CN109973376A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Electric oil pump assembly and vehicle with it |
| CN109973384A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Oil pump component and electric oil pump assembly and vehicle with it |
| CN109973376B (en) * | 2017-12-28 | 2021-06-18 | 比亚迪股份有限公司 | Electric oil pump assembly and vehicle with same |
| CN109973384B (en) * | 2017-12-28 | 2021-06-18 | 比亚迪股份有限公司 | Oil pump assembly and electric oil pump assembly and vehicle with same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20211021 |