CN209195737U - Electronic water pump - Google Patents
Electronic water pump Download PDFInfo
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- CN209195737U CN209195737U CN201821773724.XU CN201821773724U CN209195737U CN 209195737 U CN209195737 U CN 209195737U CN 201821773724 U CN201821773724 U CN 201821773724U CN 209195737 U CN209195737 U CN 209195737U
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- electronic water
- water pump
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Abstract
The utility model relates to a kind of electronic water pumps, including the pump head and pump case being fixedly connected, wet chamber and dry chamber are separated by separation sleeve in pump case, motor shaft one end is in pump case, the other end extends in pump head, motor shaft has axially extending bore, and the first passage being connected between pump head and wet chamber is offered on pump case；The second channel for being connected to wet chamber and axially extending bore is also provided on pump case；First passage, wet chamber, second channel and axially extending bore are sequentially communicated the cooling branch to be formed and be connected to pump head.The utility model, fluid can from first passage enter it is wet intracavitary, then by second channel flow through close to install control panel region, take away a large amount of thermal energy generated at work by control panel, then flow out to outside pump case from the axially extending bore inside motor shaft.By pumping intracorporal fluid channel, the thermal energy of control panel generation is taken away using the fluid constantly flowed, is cooled down to control panel, so as to extend the service life of electronic water pump.
Description
Technical field
The utility model relates to water pump technologies, more particularly to a kind of electronic water pump.
Background technique
Electronic water pump includes shell, pump cover, pump head, stator module, rotor assembly, separation sleeve and control panel, stator pack
Part and rotor assembly are placed in shell, and stator module and rotor assembly form dry chamber and wet cavity portion by separation sleeve is completely isolated
Point, fluid flows into wet cavity segment by pump case upper surface through-hole, can play lubricating action to the friction of motor bearings and axis, controls
Plate installation is fitted in pump cover back, and control panel control motor can generate amount of heat when operating.In the prior art, wet cavity portion is flowed into
The fluid divided, which can not flow, to take away the heat that control panel generates, and influence the service life of electronic water pump.
Utility model content
Based on this, it is necessary to be directed to problem of the prior art, provide a kind of electronic water pump.
A kind of electronic water pump is separated into wet chamber by separation sleeve in pump case and does including the pump head and pump case being fixedly connected
Chamber, do it is intracavitary stator module is installed, it is wet it is intracavitary rotor assembly is installed, motor shaft one end in the rotor assembly is in pump
In shell, the other end is extended in pump head, and the motor shaft has axially extending bore,
The first passage being connected between the pump head and the wet chamber is offered on the pump case；
The second channel for being connected to wet chamber and the axially extending bore is also provided on the pump case；
The first passage, the wet chamber, the second channel and the axially extending bore, which are sequentially communicated, to be formed and pump head
The cooling branch of connection.
Above-mentioned electronic water pump, fluid can enter wet intracavitary from first passage, then flow through close peace by second channel
The region for filling control panel, takes away a large amount of thermal energy generated at work by control panel, then from the axially extending bore stream inside motor shaft
Out to outside pump case.By the intracorporal fluid channel of pump, the thermal energy in electronic water pump is taken away using the fluid constantly flowed, thus
The service life of electronic water pump can be extended.
The pump case includes shell in one of the embodiments, and the cap with housing seal cooperation；It is described
First passage opens up on the housing, and the second channel is provided on the cap.
In one of the embodiments, the shell be equipped with first bearing room, the cap be equipped with position with it is described
The opposite second bearing room in first bearing room；The both ends of the motor shaft pass through bearing respectively and are mounted in corresponding bearing chamber；
The first passage is provided with the peripheral region of the first bearing room, and the second channel penetrates through the side of the second bearing room
Wall.
The first passage is multiple conduction holes in one of the embodiments, and each conduction hole is uniform in the circumferential
Distribution.
Above-mentioned electronic water pump, each conduction hole are uniformly distributed in the peripheral local circumferential direction of first bearing room, make to enter the pump housing
Interior fluid
The second bearing room includes installing zone and baffling area, one end of the motor shaft in one of the embodiments,
It is rotatably assorted by bearing in the installing zone, the second channel is connected to the axial direction of the motor shaft via the baffling area
Through-hole.
The side wall of the second bearing room is enclosed by the cell block at multiple intervals in the axial direction in one of the embodiments,
At being the second channel between the adjacent cell block.
In one of the embodiments, the cap towards the side of the pump head be equipped with connector sleeve, the separation sleeve with
One end sealing of the cap connection is set on connector sleeve outer wall.
The cell block includes the arc panel in week outside the second bearing room, and connection in one of the embodiments,
Wing plate between the arc panel and the connector sleeve inner wall.
Each cell block is structure as a whole with the cap in one of the embodiments, and each cell block with
Reinforcing rib is equipped between the cap.
The cap is equipped with backwards to the side of pump head for driving the electronic water pump in one of the embodiments,
Control panel, the control panel are positioned adjacent to the baffling area.
Detailed description of the invention
Fig. 1 is electronic water pump diagrammatic cross-section in the present embodiment；
Fig. 2 is the diagrammatic cross-section of rotor assembly in the present embodiment electronic water pump；
Fig. 3 is schematic diagram of the present embodiment electronic water pump head plate towards pump head side；
Fig. 4 be the present embodiment electronic water pump in cap towards pump head side schematic diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work, all belongs to
In the range of the utility model protection.
Electronic water pump belongs to a kind of centrifugal pump, is to be rotated by motor impeller, after water inlet fluid is pressurized
It is discharged from discharge outlet.Wet chamber is provided in the pump chamber of general electronic water pump and is enclosed in the dry chamber of wet chamber periphery, rotor assembly
Be mounted on it is wet intracavitary, stator module be mounted on do it is intracavitary, and pump case region corresponding with wet chamber be provided with through-hole as drainage
Hole.Motor shaft is installed, motor shaft stretches out the impeller cavity of pump case with the impeller being mounted on inside pump head on the axis of rotor assembly
It is connected.Wiring board driving electronic water pump is installed in the opposite side that pump case is equipped with pump head, in stator module and rotor set
Under the cooperation of part by electromagnetic energy be mechanical energy, make rotor assembly in wet intracavitary rotation, and pass through motor shaft impeller
Fluid is discharged after the sucking pressurization of the water inlet of pump head from the discharge outlet of pump head, while also having part stream by the rotation for doing high speed
Know from experience inflow motor wet cavity segment rotor assembly is lubricated and is cooled down.
As shown in Figure 1, a kind of electronic water pump passes through separation sleeve 3 in pump case 2 including the pump head 1 and pump case 2 being fixedly connected
It is separated into wet chamber 4 and dry chamber 5, stator module 51 is installed in dry chamber 5, rotor assembly 41, rotor assembly 41 are installed in wet chamber 4
In 6 one end of motor shaft be in pump case 2, the other end extends in pump head 1.Axially extending bore 61 is equipped with inside motor shaft 6.It is pumping
The first passage being connected between pump head 1 and wet chamber 4 is offered on shell 2.The wet chamber 4 of connection and axial direction are also provided on pump case 2
The second channel of through-hole 61.The route that arrow is marked as shown in figure 1 is by first passage, wet chamber 4, and second channel and axial direction are logical
Hole 61 is sequentially communicated the cooling branch to be formed and be connected to pump head 1.This cooling branch has flowed the fluid in wet chamber 4
Come, the fluid outside pump case 2 enters wet chamber 4 via first passage by the water inlet of pump head, then passes through cooling branch from pump
The water outlet outflow of head.In this process, the heat because largely generating when electronic water pump work is taken away, so as to extend electricity
The service life of sub- water pump.
As shown in Figure 1, being provided with impeller 11 in pump head 1.Impeller 11 protrudes into pump head 1 one by impeller cavity 111 and motor shaft 6
End is fixedly connected.When electronic water pump works, the rotation of 6 impeller 11 of motor shaft stretches the air in the pump housing 2 to compress, will
Fluid is discharged after water inlet sucking pressurization from discharge outlet, fluid in the branch of cold-zone in the direction decision pump case 2 that impeller 11 rotates
The direction of flowing.
In general, fluid enters wet chamber 4 from first passage, from the axially extending bore of motor shaft 6 and the fixed one end of impeller cavity 111
61 mouthfuls of outflows.Specifically, fluid flows into wet chamber 4 from 2 first passage of pump case, after flowing through second channel, from 61 one end of axially extending bore
It flows into, then is flowed out from 61 other end of axially extending bore.
As shown in Figure 1, pump case 2 includes shell 21, and the cap 22 with the sealing cooperation of shell 21.First passage is provided with
On shell 21, second channel is provided on cap 22.
In the present embodiment, cap 22 is provided with installation set towards 21 side of shell, is arranged on the outer peripheral surface of installation set
There is at least one of sealing ring, when installing electronic water pump, the installation set on cap 22 is plugged on opening one end of shell 21, shell
Sealing ring on the inner wall and installation set of 21 open one end, which closely offsets to cooperate, plays the role of sealing, keeps its electronic water pump close
Envelope state.
In the present embodiment, shell 21 includes outer cylinder 211, and cap 22 closes axial one end of outer cylinder 211, outer cylinder 211
The other end is the head plate 212 with 211 integral structure of outer cylinder.Head plate 212 is matched backwards to the one side of cap 22 with the sealing of pump head 1
It closes.First passage is provided on head plate 212, and the fluid in pump head 1 is flowed into wet chamber by the first passage on head plate 212
In 4, play the role of cooling down to the rotor assembly 41 inside pump case 2.
As shown in Figure 1, cap 22 is equipped with the connector sleeve 221 with 22 integral structure of cap, head plate towards the side of pump head 1
212 are provided with the installation set 2121 with 212 integral structure of head plate towards 22 side of cap.Connector sleeve 221 and installation set 2121
Position in correspondence with each other, for installing separation sleeve 3.
In the present embodiment, separation sleeve 3 is the tubular that bus is straight line, and tubular axial ends is open.Separation sleeve 3 is axial
Installation set 2121 on one end and head plate 212, which seals, to be cooperated, and the other end is cooperatively formed with the sealing of connector sleeve 221 on cap 22
Cylindrical shape closed chamber be wet chamber 4.The closed chamber being enclosed in outside wet chamber 4 is dry chamber.
As shown in Figs. 1-2, separation sleeve 3 is at least close together towards being provided on place's outer peripheral surface open at one end of head plate 212
The inner wall squeezed tight of seal and installation set 2121 seals.The jacket wall that connector sleeve 221 and 3 inner wall of separation sleeve on cap 22 offset
At least one is provided on circumferential surface to seal to sealing ring and separation sleeve 3 towards the opening inner wall squeezed tight of 22 one end of cap.Pacifying
When filling electronic water pump, first 3 one end of separation sleeve is plugged into installation set 2121 by sealing ring sealing, then by 51 He of stator module
Rotor assembly 41 is respectively put into dry chamber 5 and wet chamber 4 from the also unencapsulated one end of separation sleeve 3 respectively, then by cap 22
Connector sleeve 221 is sealed against with 3 open end grafting of separation sleeve.
As shown in Figure 1, shell 21 is equipped with first bearing room 213, cap 22 is equipped with position and 213 phase of first bearing room
Pair second bearing room 222, the both ends of motor shaft 6 pass through bearing respectively and are mounted in corresponding bearing chamber.First bearing room 213
It is arranged on head plate 212, in wet chamber 4, specifically, first bearing room 213 is arranged inside installation set 2121.First is logical
Road is provided in the annular section between 2121 inside of periphery and installation set of first bearing room 213, is arranged to be multiple first
The conduction hole 214 (as shown in Figure 3) in periphery (ring-type) region of bearing chamber 213 is uniformly distributed in the circumferential.Conduction hole 214 is connected to
Wet chamber 4 and pump head 1, make the fluid outside electronic water pump enter wet chamber by conduction hole 214.Equally distributed drainage in circumferential direction
Hole 214 makes the fluid being externally entering inside electronic water pump be average.The side of second channel perforation second bearing room 222
Wall.
In the present embodiment, motor shaft 6 is close to one end that axially extending bore 61 is open by being mounted in first bearing room
Bearing rotary is fixed, and 6 open end of motor shaft is extended in pump head 1 by being provided with 212 upper shaft hole of head plate across shell 21,
Cooperation is plugged and fixed with impeller cavity 111.The size and 6 periphery wall of motor shaft of its axis hole are fitted close, and are played the role of limit, are made
Motor shaft 6 when rotating at high speed, along fixed axial-movement.
As shown in Figure 1, second bearing room 222 includes installing zone 223 and the baffling area 224 that can be enabled flow through.Motor shaft 6
One end be rotatably assorted and be mounted in installing zone 223 by bearing, second channel is connected to motor shaft 6 via baffling area 224
Axially extending bore 61.Baffling area 224 is the axially extending region of installing zone 223, when 6 shaft end of motor shaft is mounted on installing zone 223,
Shaft end is open towards baffling area 224.In the present embodiment, baffling area 224 can lengthen position for the extension of installing zone 223, with peace
Dress area 223 is structure as a whole.On installing zone 223 and 224 junction inner wall of baffling area, step structure is provided with for being fixedly mounted
Bearing in installing zone 223, bearing bottom and step structure cooperate the fixation that offsets.In the present embodiment, second bearing room
It is arranged in wet chamber 4, is particularly located inside connector sleeve 221.
As shown in Fig. 2, the side wall of second bearing room 222 has the cell block 225 at multiple intervals to surround in the axial direction, it is adjacent
It is second channel 226 between cell block 225.Motor shaft 6 is mounted on 61 open end of axially extending bore of 222 this one end of second bearing room
It is connected with baffling area 224, then is connected to by the second channel 226 on side wall with wet chamber 4.When fluid is from head plate 212
First passage (conduction hole 214) enters wet chamber 4, when flowing to close to 22 one end of pump cover, passes through the on 222 side wall of second bearing room
Two channels 226 flow into baffling area 224, and fluid forthright forms bending herein, passes through the axially extending bore being connected with baffling area 224
61 flow into inside motor shaft 6, then flow out to outside pump case 2 from axially extending bore 61 close to the port of 212 one end of head plate, such institute
The runner branch of formation, for cooling branch (route marked by arrow in Fig. 1).
If Fig. 4 shows, the connector sleeve 221 being arranged on cap 22 is the circle to match with separation sleeve 3, separation sleeve 3 and shell
One end that lid 22 connects is set on 221 outer wall of connector sleeve, and 3 inner wall of separation sleeve and 221 outer wall of connector sleeve pass through outside connector sleeve 3
The cooperation that closely offsets of sealing ring on wall seals wet chamber 4.A circle is additionally provided in 3 outside of connector sleeve and 3 outer wall of separation sleeve is mutual
Inconsistent fixing sleeve 2211 keeps the connection of separation sleeve 3 and cap 22 more firm, and the better tightness of wet chamber 4.
If Fig. 4 shows, cell block 225 includes the arc panel 2251 of 222 periphery of second bearing room, and is connected to arc panel
Wing plate 2252 between 2251 and 221 inner wall of connector sleeve.The quantity of cell block 225 is not unique, is subject to actual conditions, in this reality
It applies in example, the quantity of cell block 225 is three pieces, i.e., arc panel 2251 and the wing plate 2252 connecting with arc panel 2251 are respectively three
Block.There are the gap of one fixed width between each unit block 225, gap is the second channel of connection wet chamber 4 and baffling area 224
226.Muti-piece arc panel 2251 surrounds second bearing room 222.
In the present embodiment, cell block 225 is structure as a whole with cap 22, and sets between each unit block 225 and cap 22
There is reinforcing rib 227.The design of reinforcing rib 227 keeps the connection between cell block 225 and cap 22 more firm, due to reinforcement block
225 are generally divided into several pieces is attached by 2252 edge of wing plate with cap 22 respectively, and such structure runs at high speed in motor shaft 6
Work in, its stability may be will affect, therefore be designed with reinforcing rib 227 respectively between each unit block 225 and cap 22, made
The structure of entire cap 22 is more firm.And the quantity of reinforcing rib 227 and the quantity of cell block 225 are consistent.
As shown in Figure 1, cap 22 is equipped with the control panel 7 for driving electronic water pump, control panel backwards to the side of pump head 1
7 are positioned adjacent to baffling area 224.From the fluid outside electronic water pump, baffling area 224 can be entered by second channel 226, then will
The amount of heat that comes out when control panel 7 close to baffling area 224 works, by the motor shaft 6 that is connected with baffling area 224
Portion's axially extending bore 61 is taken away.To reduce the temperature around control panel 7, continue working control panel 7.
If Fig. 4 shows, second channel 226 is made of the gap with one fixed width between each unit block 225.Wherein, arc
Shape plate 2251 surrounds second bearing room 222, and the gap between a arc panel 2251 is a part of second channel 226, makes to roll over
Stream area 224 is connected with wet chamber 4.And each 2252 edge of wing plate is connected with cap 22 respectively, and with cap 22 same
In plane, the gap between each wing plate 2252 is a part of second channel 226, and the area for the cap 22 for keeping fluid accessible is more
Greatly, branch cooling in this way takes away more heats, makes the control panel cooling effect for being mounted on 22 other side of cap more preferable.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, 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, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of electronic water pump is separated into wet chamber and dry chamber by separation sleeve in pump case including the pump head and pump case being fixedly connected,
Do it is intracavitary stator module is installed, it is wet it is intracavitary rotor assembly is installed, motor shaft one end in the rotor assembly is in pump case
Interior, the other end extends in pump head, which is characterized in that and the motor shaft has axially extending bore,
The first passage being connected between the pump head and the wet chamber is offered on the pump case；
The second channel for being connected to wet chamber and the axially extending bore is also provided on the pump case；
The first passage, the wet chamber, the second channel and the axially extending bore are sequentially communicated to be formed and be connected to pump head
Cooling branch.
2. electronic water pump according to claim 1, which is characterized in that the pump case includes shell, and with the shell
Seal the cap of cooperation；The first passage opens up on the housing, and the second channel is provided on the cap.
3. electronic water pump according to claim 2, which is characterized in that the shell is equipped with first bearing room, the shell
It covers and is equipped with the position second bearing room opposite with the first bearing room；It is installed respectively by bearing at the both ends of the motor shaft
In corresponding bearing chamber；
The first passage is provided with the peripheral region of the first bearing room, and the second channel penetrates through the second bearing room
Side wall.
4. electronic water pump according to claim 3, which is characterized in that the first passage is multiple conduction holes, each described
Conduction hole is uniformly distributed in the circumferential.
5. electronic water pump according to claim 3, which is characterized in that the second bearing room includes installing zone and baffling
The one end in area, the motor shaft is rotatably assorted by bearing in the installing zone, and the second channel connects via the baffling area
Pass to the axially extending bore of the motor shaft.
6. electronic water pump according to claim 3, which is characterized in that the side wall of the second bearing room is in the axial direction by more
The cell block at a interval surrounds, and is the second channel between the adjacent cell block.
7. electronic water pump according to claim 6, which is characterized in that the cap is equipped with towards the side of the pump head to be connected
Female connector, one end that the separation sleeve is connect with the cap are set on connector sleeve outer wall.
8. electronic water pump according to claim 7, which is characterized in that the cell block includes all outside the second bearing room
Arc panel, and the wing plate being connected between the arc panel and the connector sleeve inner wall.
9. electronic water pump according to claim 6, which is characterized in that each cell block and the cap are integrated knot
Structure, and reinforcing rib is equipped between each cell block and the cap.
10. electronic water pump according to claim 5, which is characterized in that the cap is useful backwards to the installation of the side of pump head
In the control panel for driving the electronic water pump, the control panel is positioned adjacent to the baffling area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773724.XU CN209195737U (en) | 2018-10-30 | 2018-10-30 | Electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773724.XU CN209195737U (en) | 2018-10-30 | 2018-10-30 | Electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195737U true CN209195737U (en) | 2019-08-02 |
Family
ID=67409787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773724.XU Active CN209195737U (en) | 2018-10-30 | 2018-10-30 | Electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195737U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307168A (en) * | 2019-08-14 | 2019-10-08 | 广州市柏理通电机有限公司 | A kind of efficient Water-cooling water pump |
| CN110529226A (en) * | 2019-08-27 | 2019-12-03 | 汉宇集团股份有限公司 | A kind of electronic water pump for automobile of internal liquid cooling |
| CN110645186A (en) * | 2019-11-01 | 2020-01-03 | 合肥新沪屏蔽泵有限公司 | Motor sealing structure for liquid cooling pump |
| CN110685927A (en) * | 2019-11-04 | 2020-01-14 | 合肥新沪屏蔽泵有限公司 | Liquid cooling pump |
| CN113364219A (en) * | 2021-07-11 | 2021-09-07 | 陕西航空电气有限责任公司 | Rotor position detection structure for liquid-cooled brushless direct current motor |
| CN114649898A (en) * | 2020-12-21 | 2022-06-21 | 温岭正峰数字机电科技有限公司 | Motor, pump assembly and motor shaft with cooling circulation function |
| CN115898892A (en) * | 2022-11-10 | 2023-04-04 | 佛山市威灵洗涤电机制造有限公司 | Circulating pump and air conditioner |
| CN115898938A (en) * | 2022-11-10 | 2023-04-04 | 佛山市威灵洗涤电机制造有限公司 | Rotor subassembly, circulating pump and air conditioner |
-
2018
- 2018-10-30 CN CN201821773724.XU patent/CN209195737U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307168A (en) * | 2019-08-14 | 2019-10-08 | 广州市柏理通电机有限公司 | A kind of efficient Water-cooling water pump |
| CN110529226A (en) * | 2019-08-27 | 2019-12-03 | 汉宇集团股份有限公司 | A kind of electronic water pump for automobile of internal liquid cooling |
| CN110645186A (en) * | 2019-11-01 | 2020-01-03 | 合肥新沪屏蔽泵有限公司 | Motor sealing structure for liquid cooling pump |
| CN110685927A (en) * | 2019-11-04 | 2020-01-14 | 合肥新沪屏蔽泵有限公司 | Liquid cooling pump |
| CN114649898A (en) * | 2020-12-21 | 2022-06-21 | 温岭正峰数字机电科技有限公司 | Motor, pump assembly and motor shaft with cooling circulation function |
| CN113364219A (en) * | 2021-07-11 | 2021-09-07 | 陕西航空电气有限责任公司 | Rotor position detection structure for liquid-cooled brushless direct current motor |
| CN115898892A (en) * | 2022-11-10 | 2023-04-04 | 佛山市威灵洗涤电机制造有限公司 | Circulating pump and air conditioner |
| CN115898938A (en) * | 2022-11-10 | 2023-04-04 | 佛山市威灵洗涤电机制造有限公司 | Rotor subassembly, circulating pump and air conditioner |
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