CN110332345A - Motor water-proof valve assembly mechanism - Google Patents
Motor water-proof valve assembly mechanism Download PDFInfo
- Publication number
- CN110332345A CN110332345A CN201910678528.7A CN201910678528A CN110332345A CN 110332345 A CN110332345 A CN 110332345A CN 201910678528 A CN201910678528 A CN 201910678528A CN 110332345 A CN110332345 A CN 110332345A
- Authority
- CN
- China
- Prior art keywords
- spool
- valve body
- valve
- cavity
- assembly mechanism
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000007654 immersion Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of motor water-proof valve assembly mechanisms, it includes the valve body being installed on outside electric machine casing, cavity is offered in valve body, it is provided on valve body into outlet passageway, cavity is in communication with the outside into outlet passageway, the breather valve installed on the contrary there are two being arranged in cavity, breather valve includes valve seat, spring base, compression spring and spool, single radial cut inner cavity is offered in valve seat, and the first air hole for extending to outer end face is offered in its end-face wall, single radial cut inner cavity is offered in spring base, and the second air hole for extending to outer end face is offered in its end-face wall, spool is set in the inner cavity of spring base, compression spring is set between the end-face wall of spring base and spool, towards the first air hole the interference press fitting of spring base opening is in the inner cavity of valve seat, spool is acted on forming the first air hole by compression spring and be sealed.Above-mentioned assembly mechanism structure is simple, and principle is ingenious, is simply mounted at the function that automatic adjustment inner cavity air pressure can be realized outside electric machine casing.
Description
Technical field
The present invention relates to a kind of breathing valve arrangement more particularly to a kind of motor water-proof valve assembly mechanisms.
Background technique
The inner cavity of motor is generally under the operating condition of closing or high leakproofness structure, especially environment critical, sealing requirements
It is higher.However, motor will appear heat condition under the state that continues working, inner cavity in sealed states, causes internal gas swollen
Swollen, internal pressure raising causes body to rupture, or even high temperature exothermic causes motor to burn under extremity.To avoid said circumstances,
It needs in order to adjust its chamber pressure, but to need to guarantee its sealing performance for a kind of ventilating structure of design of electrical motor.
The design that electric control valve is set on motor exists in the prior art, passes through cooperation sensor for temperature, pressure etc.
Parameter is monitored, once detected value is abnormal, i.e., control valve is opened, and is achieved the purpose that pressure release, when detected value is normal, then is controlled
Valve reset processed is closed.Such structural system is complex, more demanding to sensor sensitivity, and failure rate is big, protected against the effects of immersion energy
Power is poor, and big to electric machine structure transformation degree, and suitability is insufficient.
Summary of the invention
Based on the above, the present invention provides a kind of motor water-proof valve assembly mechanism, is advantageously integrated on motor, reaches
To automatic adjustment motor cavity pressure while the purpose of effectively protected against the effects of immersion.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of motor water-proof valve assembly mechanism comprising the valve body being installed on outside electric machine casing offers in valve body
Cavity is provided with into outlet passageway on valve body, cavity is in communication with the outside into outlet passageway, and there are two opposite peaces for setting in cavity
The breather valve of dress, breather valve include valve seat, spring base, compression spring and spool, and single radial cut inner cavity, and its end are offered in valve seat
The first air hole for extending to outer end face is offered on facing the wall and meditating, and single radial cut inner cavity is offered in spring base, and open in its end-face wall
Equipped with the second air hole for extending to outer end face, spool is set in the inner cavity of spring base, and compression spring is set to spring base
Between end-face wall and spool, towards the first air hole the interference press fitting of spring base opening is in the inner cavity of valve seat, and spool is by pressure
Spring effect, which forms the first air hole, to be sealed.
Particularly, the first sealing ring is provided between spool and the end-face wall of valve seat.
Particularly, one end of two breather valves is respectively positioned in cavity, and the other end stretches out what valve body was bonded with electric machine casing
Face corresponds to extension on electric machine casing and offers the intercommunicating pore of connection motor cavity, and is equipped between extension and intercommunicating pore
Second sealing ring.
Particularly, the limited step to spool stroke limit is provided in the inner cavity of spring base.
Particularly, spool is sphere or cone, and the maximum outside diameter of the diameter of sphere, cone is greater than the first air hole
Aperture.
Particularly, the connection bolt with electric machine casing installation is provided on valve body.
Particularly, the face that the stretching valve body of bolt is bonded with electric machine casing is connected, and is provided with third sealing on extension end
Circle, is equipped with the 4th sealing ring between bolt head and valve body.
Particularly, valve body is installed on the bottommost of electric machine casing.
Particularly, valve body is provided with one or more, and each valve body is installed on different location on electric machine casing.
To sum up, beneficial effects of the present invention are, compared with prior art, the motor water-proof valve assembly mechanism structure
Simply, principle is ingenious, using pure mechanic structure plus-pressure control principle, is not necessarily to extra power, without changing motor original structure,
It is simply mounted at the function that automatic adjustment inner cavity air pressure can be realized outside electric machine casing, in addition, the valve body structure protected against the effects of immersion ability
By force, and in sealed states it can cause the open fire that gone out after the anoxic of inner cavity automatically in a short time motor cavity is on fire, realize
Waterproof, fire-proof function realize that electric motors function is broken through.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of motor water-proof valve assembly mechanism provided in an embodiment of the present invention；
Fig. 2 is cross-sectional view at A-A in Fig. 1；
Fig. 3 is the scheme of installation of motor water-proof valve assembly mechanism provided in an embodiment of the present invention；
Fig. 4 is that the section that motor water-proof valve assembly mechanism provided in an embodiment of the present invention is installed on electric machine casing shows
It is intended to.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
It please refers to shown in Fig. 1 to 4, the present embodiment provides a kind of motor water-proof valve assembly mechanisms comprising is installed on
Valve body 1 outside electric machine casing 17 offers cavity 2 in valve body 1, is provided on valve body 1 into outlet passageway 3, will into outlet passageway 3
Cavity 2 is in communication with the outside, and is arranged in cavity 2 there are two the breather valve 4 installed on the contrary, so that one breather valve of realization exhales, is another
A breather valve inhales the function of ground automatic pressure regulation.
Breather valve 4 includes valve seat 5, spring base 6, compression spring 7 and spool 8, offers single radial cut inner cavity in valve seat 5, and
The first air hole 9 for extending to outer end face is offered in its end-face wall, offers single radial cut inner cavity, and its end face in spring base 6
The second air hole 10 for extending to outer end face is offered on wall, spool 8 is set in the inner cavity of spring base 6, and compression spring 7 is arranged
Between the end-face wall and spool 8 of spring base 6, the opening of spring base 6 is pressed towards the 9 ground interference of the first air hole in valve seat 5
In chamber, spool 8 is acted on forming the first air hole 9 by compression spring 7 and be sealed.
Particularly, it is provided with the first sealing ring 11 between spool 8 and the end-face wall of valve seat 5, improves 8 sealing performance of spool.
One end of two breather valves 4 is respectively positioned in cavity 2, and the other end stretches out the face that valve body 1 is bonded with electric machine casing 17,
Extension is corresponded on electric machine casing 17 and offers the intercommunicating pore 18 of connection motor cavity, and is assembled between extension and intercommunicating pore 18
There is the second sealing ring 12, improves the sealing performance between breather valve 4 and electric machine casing 17.
Wherein, spool 8 can be sphere or cone etc. convenient for the shape of sealing, it is only necessary to ask diameter, the circle of sphere
The maximum outside diameter of cone is greater than the aperture of the first air hole 9, for the present embodiment is using use steel ball as spool 8.
Compression spring 7 can be the various shapes such as spring leaf, coach spring, torque spring or rectangular spring, only need to provide push away,
Press elastic force.
The limited step 13 to 8 stroke limit of spool is provided in the inner cavity of spring base 6.
It is provided with the connection bolt 14 installed with electric machine casing 17 on valve body 1, connects the stretching valve body 1 and motor of bolt 14
The face that shell 17 is bonded, and third sealing ring 15 is provided on extension end, the 4th sealing ring is equipped between bolt head and valve body 1
16, improve the sealing performance between connection bolt 14 and electric machine casing 17.
It should be noted that 4 assembly mechanism of water-proof valve is suitable for the various electricity such as automobile motor, engineering machinery motor
Machine, the present embodiment are further illustrated based on starter.
As shown in figure 3, the starter is split type structure, junction is various between each component, between front cover 19 and rear cover 20
Though there is air gap connection, heating conduction is bad, leads to localized hyperthermia, influences whole efficiency.And use the assembly machine of the present embodiment
Structure only need to open up respectively two intercommunicating pores 18 on front cover 19 and rear cover 20, two assembly mechanisms are installed respectively, can be solved
The above problem, and it is low in cost, it is convenient to integrate.
Particularly, it is the bottommost for being installed on electric machine casing 17 that valve body 1 is optimal, so that the liquid such as condensed water are discharged.
Certainly, on this basis, it can according to need and multiple assembly mechanisms be installed at different location on electric machine casing 17,
To improve motor venting capability everywhere, overall performance is improved.
To sum up, above-mentioned motor water-proof valve assembly mechanism structure is simple, and principle is ingenious, is pressurizeed using pure mechanic structure
Power control principle is not necessarily to extra power, and without changing motor original structure, being simply mounted at outside electric machine casing be can be realized automatically
The function of adjusting inner cavity air pressure, in addition, the valve body structure protected against the effects of immersion ability is strong, even and if motor cavity is on fire in sealed states
Also it can cause the open fire that gone out after the anoxic of inner cavity automatically in a short time, realize waterproof, fire-proof function, realize that electric motors function is broken through.
The above embodiments only describe the basic principles and characteristics of the invention, and the invention is not restricted by the above cases,
Without departing from the spirit and scope, the invention also has various changes and changes, and these changes and changes are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (9)
1. a kind of motor water-proof valve assembly mechanism, which is characterized in that including the valve body being installed on outside electric machine casing, the valve
Cavity is offered in body, is provided on the valve body into outlet passageway, it is described that the cavity is in communication with the outside into outlet passageway,
It is arranged in the cavity there are two the breather valve installed on the contrary,
The breather valve includes valve seat, spring base, compression spring and spool, and single radial cut inner cavity, and its are offered in the valve seat
The first air hole for extending to outer end face is offered in end-face wall, and single radial cut inner cavity, and its end face are offered in the spring base
The second air hole for extending to outer end face is offered on wall, the spool is set in the inner cavity of the spring base, the pressure
Spring is set between the end-face wall of spring base and spool, and spring base opening towards the first air hole the interference press fitting is in institute
It states in the inner cavity of valve seat, the spool is acted on forming first air hole by the compression spring and be sealed.
2. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: the spool and the valve seat
End-face wall between be provided with the first sealing ring.
3. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: one end of two breather valves is equal
In the cavity, the other end stretches out the face that the valve body is bonded with electric machine casing, corresponding stretching on the electric machine casing
Portion offers the intercommunicating pore of connection motor cavity, and the second sealing ring is equipped between extension and the intercommunicating pore.
4. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: in the inner cavity of the spring base
It is provided with the limited step to spool stroke limit.
5. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: the spool is sphere or circle
Cone, and the maximum outside diameter of the diameter of sphere, cone is greater than the aperture of first air hole.
6. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: be provided on the valve body with
The connection bolt of electric machine casing installation.
7. motor water-proof valve assembly mechanism according to claim 6, it is characterised in that: the stretching of the connection bolt
The face that the valve body is bonded with electric machine casing, and third sealing ring is provided on extension end, it is filled between bolt head and the valve body
Equipped with the 4th sealing ring.
8. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: the valve body is installed on motor
The bottommost of shell.
9. motor water-proof valve assembly mechanism according to claim 1, it is characterised in that: the valve body is provided with one
Or it is multiple, each valve body is installed on different location on electric machine casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678528.7A CN110332345A (en) | 2019-07-25 | 2019-07-25 | Motor water-proof valve assembly mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910678528.7A CN110332345A (en) | 2019-07-25 | 2019-07-25 | Motor water-proof valve assembly mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332345A true CN110332345A (en) | 2019-10-15 |
Family
ID=68147486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910678528.7A Pending CN110332345A (en) | 2019-07-25 | 2019-07-25 | Motor water-proof valve assembly mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145753A (en) * | 2020-09-28 | 2020-12-29 | 东科克诺尔商用车制动技术有限公司 | Valve core assembly of automobile air brake ABS electromagnetic valve |
| WO2020258590A1 (en) * | 2019-06-27 | 2020-12-30 | 无锡明诚汽车部件有限公司 | Respiratory pressure valve and apparatus having respiratory pressure valve |
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|---|---|---|---|---|
| CN203627956U (en) * | 2013-12-17 | 2014-06-04 | 绵阳富临精工机械股份有限公司 | High pressure protection valve for gearbox |
| CN204611015U (en) * | 2014-12-30 | 2015-09-02 | 浙江科力车辆控制系统有限公司 | A kind of novel invertor lifting oil pump breather plug structure |
| CN204967487U (en) * | 2015-09-24 | 2016-01-13 | 抚顺煤矿电机制造有限责任公司 | Explosion -proof breathing drainage structures of motor |
| CN105570503A (en) * | 2016-02-17 | 2016-05-11 | 江西昌河汽车有限责任公司 | Bidirectional valve device of automobile fuel system |
| CN105703525A (en) * | 2016-03-25 | 2016-06-22 | 北京新能源汽车股份有限公司 | Motor and vehicle with same |
| CN106855144A (en) * | 2016-12-18 | 2017-06-16 | 滨州市甲力太阳能科技有限公司 | Enter outlet pressure regulating valve |
| CN208719477U (en) * | 2018-07-30 | 2019-04-09 | 天津华昌隆机械制造有限公司 | A kind of mining breather valve |
| TWM578758U (en) * | 2019-01-08 | 2019-06-01 | 張茂坤 | Improved release valve structure |
| CN110206919A (en) * | 2019-06-27 | 2019-09-06 | 无锡明诚汽车部件有限公司 | Motor water-proof valve assembly structure |
| CN210461826U (en) * | 2019-07-25 | 2020-05-05 | 无锡明诚汽车部件有限公司 | Waterproof breather valve assembly mechanism of motor |
-
2019
- 2019-07-25 CN CN201910678528.7A patent/CN110332345A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203627956U (en) * | 2013-12-17 | 2014-06-04 | 绵阳富临精工机械股份有限公司 | High pressure protection valve for gearbox |
| CN204611015U (en) * | 2014-12-30 | 2015-09-02 | 浙江科力车辆控制系统有限公司 | A kind of novel invertor lifting oil pump breather plug structure |
| CN204967487U (en) * | 2015-09-24 | 2016-01-13 | 抚顺煤矿电机制造有限责任公司 | Explosion -proof breathing drainage structures of motor |
| CN105570503A (en) * | 2016-02-17 | 2016-05-11 | 江西昌河汽车有限责任公司 | Bidirectional valve device of automobile fuel system |
| CN105703525A (en) * | 2016-03-25 | 2016-06-22 | 北京新能源汽车股份有限公司 | Motor and vehicle with same |
| CN106855144A (en) * | 2016-12-18 | 2017-06-16 | 滨州市甲力太阳能科技有限公司 | Enter outlet pressure regulating valve |
| CN208719477U (en) * | 2018-07-30 | 2019-04-09 | 天津华昌隆机械制造有限公司 | A kind of mining breather valve |
| TWM578758U (en) * | 2019-01-08 | 2019-06-01 | 張茂坤 | Improved release valve structure |
| CN110206919A (en) * | 2019-06-27 | 2019-09-06 | 无锡明诚汽车部件有限公司 | Motor water-proof valve assembly structure |
| CN210461826U (en) * | 2019-07-25 | 2020-05-05 | 无锡明诚汽车部件有限公司 | Waterproof breather valve assembly mechanism of motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258590A1 (en) * | 2019-06-27 | 2020-12-30 | 无锡明诚汽车部件有限公司 | Respiratory pressure valve and apparatus having respiratory pressure valve |
| CN112145753A (en) * | 2020-09-28 | 2020-12-29 | 东科克诺尔商用车制动技术有限公司 | Valve core assembly of automobile air brake ABS electromagnetic valve |
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