CN110206925A - A kind of respiratory pressure valve - Google Patents
A kind of respiratory pressure valve Download PDFInfo
- Publication number
- CN110206925A CN110206925A CN201910570159.XA CN201910570159A CN110206925A CN 110206925 A CN110206925 A CN 110206925A CN 201910570159 A CN201910570159 A CN 201910570159A CN 110206925 A CN110206925 A CN 110206925A
- Authority
- CN
- China
- Prior art keywords
- inner cavity
- spring base
- pressure valve
- respiratory pressure
- steel ball
- 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
- 230000000241 respiratory effect Effects 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
-
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a kind of respiratory pressure valves, including pedestal, dust-proof nut, spring base and steel ball, one end of pedestal is fixed part, the other end is interconnecting piece, connection inner cavity is provided in the axial direction on the end face of fixed part, it connects and is provided with internal screw thread on the side wall of inner cavity, and the through-hole for extending to connection end surface is offered in end-face wall, external screw thread is provided on interconnecting piece, single radial cut inner cavity is provided in the axial direction on dust-proof nut, internal screw thread is provided on its inner wall, extraneous the first air hole with its inner cavity of connection is offered on dust-proof nut, single radial cut inner cavity is provided in the axial direction on spring base, its surface is provided with external screw thread, extraneous the second air hole with its inner cavity of connection is offered on spring base, steel ball is set in the inner cavity of spring base, compression spring is provided in the inner cavity of spring base, the diameter of steel ball is greater than the aperture of through-hole, spring base Opening towards pedestal is connected thereto, and steel ball is acted on by compression spring and forms ball face sealing to through-hole.
Description
Technical field
The present invention relates to field of motor manufacturing more particularly to a kind of respiratory pressure valves, for leaching ventilative and anti-inside and outside motor
Water.
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 purpose of the present invention is to provide a kind of respiratory pressure valves, are advantageously integrated on motor, reach
Automatically adjust the purpose of motor cavity pressure while effectively protected against the effects of immersion.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of respiratory pressure valve comprising pedestal, dust-proof nut, spring base and steel ball, one end of pedestal are fixed part, separately
One end is interconnecting piece, and connection inner cavity is provided in the axial direction on the end face of fixed part, connects and is provided with internal screw thread on the side wall of inner cavity,
And the through-hole for extending to connection end surface is offered in end-face wall, external screw thread is provided on interconnecting piece, along axial direction on dust-proof nut
Single radial cut inner cavity is offered, the internal screw thread with the cooperation of the external screw thread of pedestal, the company of offering on dust-proof nut are provided on inner wall
Lead to extraneous the first air hole with its inner cavity, is provided in the axial direction with single radial cut inner cavity on spring base, surface is provided with and pedestal
Screw-internal thread fit external screw thread, extraneous the second air hole with its inner cavity of connection is offered on spring base, steel ball is set to bullet
Be additionally provided with the compression spring for acting on steel ball and being extrapolated in the inner cavity of spring abutment, and in the inner cavity of spring base, steel ball it is straight
Diameter is greater than the aperture of through-hole, and spring base opening towards pedestal is connected thereto, and steel ball is acted on by compression spring and forms ball to through-hole
Face sealing.
Further, the second air hole is located on the side of spring base, connects inner cavity in the end of fixed part and is provided with expansion
Hole, so that there is ventilative gap between pedestal and spring base, the second air hole is connected to ventilative gap.
Further, third air hole is offered on fixed part, third air hole is connected to ventilative gap.
Further, it is provided with rotating part on spring base, the elastic force of compression spring is adjusted by rotating missile spring abutment.
Further, sealing ring is folded between steel ball and the end-face wall for connecting inner cavity.
Further, the first air hole is located on the side of dust-proof nut.
Further, fixed part is raised in the surface of interconnecting piece, and fixed part and dust-proof nut form to folder and act on peace
Inside and outside piece installing.
Further, respiratory pressure valve uses in pairs, and opposite installation.
To sum up, beneficial effects of the present invention are that compared with prior art, the respiratory pressure valve arrangement is simple, and principle is skilful
It is wonderful, using pure mechanic structure plus-pressure control principle, it need to only be installed and used in pairs, on the contrary on electric machine casing, can be realized one
A air-breathing, an outlet and automatically adjust the function of inner cavity air pressure, only need to be on electric machine casing without changing motor original structure
Two installing ports are opened up, 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.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of respiratory pressure valve provided in an embodiment of the present invention；
Fig. 2 is the explosive view of respiratory pressure valve provided in an embodiment of the present invention；
Fig. 3 is the diagrammatic cross-section of respiratory pressure valve provided in an embodiment of the present invention.
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 3, the present embodiment provides a kind of respiratory pressure valves, are suitable for automobile motor, engineering machinery electro
The various motors such as machine, by taking engine starting motor as an example, when installation, two respiratory pressure valves use in pairs, and opposite installation,
Two installing ports are opened up on electric machine casing, can be installed on any suitable location of motor housing, realize that one exhales a suction and automatic
Adjust the function of pressure.
The respiratory pressure valve includes pedestal 1, dust-proof nut 2, spring base 3 and steel ball 4.
One end of pedestal 1 is fixed part 11, and the other end is interconnecting piece 12, the company of being provided in the axial direction on the end face of fixed part 11
Inner cavity 13 is connect, connects and is provided with internal screw thread on the side wall of inner cavity 13, and offered in end-face wall and extend to 12 end face of interconnecting piece
Through-hole 14 is provided with external screw thread on interconnecting piece 12.
It is provided in the axial direction with single radial cut inner cavity on dust-proof nut 2, is provided on inner wall and the cooperation of the external screw thread of pedestal 1
Internal screw thread, extraneous the first air hole 21 with its inner cavity of connection is offered on dust-proof nut 2, and the first air hole 21 is located at dust-proof spiral shell
On the side of mother 2.
Single radial cut inner cavity is provided in the axial direction on spring base 3, surface is provided with the outer spiral shell with the screw-internal thread fit of pedestal 1
Line, extraneous the second air hole 31 with its inner cavity of connection is offered on spring base 3, and the second air hole 31 is located at the side of spring base 3
On face, inner cavity 13 is connected in the end of fixed part 11 and is provided with reaming, so that there is ventilative gap between pedestal 1 and spring base 3
16, the second air hole 31 is connected to ventilative gap 16.Offer third air hole 15 on fixed part 11, third air hole 15 and thoroughly
Gas gap 16 is connected to.
Steel ball 4 is set in the inner cavity of spring base 3, and be additionally provided in the inner cavity of spring base 3 act on steel ball 4 and by its
The compression spring 5 of extrapolation, the diameter of steel ball 4 are greater than the aperture of through-hole 14, and the opening of spring base 3 is connected thereto towards 1 ground of pedestal, steel
Ball 4 is acted on by compression spring 5 and forms ball face sealing to through-hole 14.It is also folded between steel ball 4 and the end-face wall for connecting inner cavity 13
Sealing ring 6 improves sealing performance.It is provided with rotating part 32 on spring base 3, the bullet of compression spring 5 is adjusted by rotating missile spring abutment 3
Power, and then set equilibrium air pressure.
Fixed part 11 is raised in the surface of interconnecting piece 12, and fixed part 11 and the formation of dust-proof nut 2 act on motor to folder
Inside and outside shell.
To sum up, above-mentioned respiratory pressure valve arrangement is simple, and principle is ingenious, using pure mechanic structure plus-pressure control principle, only
Need on electric machine casing in pairs, on the contrary install and use, can be realized an air-breathing, an outlet and automatically adjust inner cavity air pressure
Function only need to open up two installing ports, in addition, the valve body structure without changing motor original structure on electric machine casing
Protected against the effects of immersion ability is strong, and goes out automatically after capable of causing inner cavity anoxic in a short time motor cavity is on fire in sealed states
Open fire realizes waterproof, fire-proof function, realizes 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 (8)
1. a kind of respiratory pressure valve, which is characterized in that including pedestal, dust-proof nut, spring base and steel ball,
One end of the pedestal is fixed part, and the other end is interconnecting piece, and connection is provided in the axial direction on the end face of the fixed part
Inner cavity, it is described connection inner cavity side wall on be provided with internal screw thread, and offered in end-face wall extend to connection end surface through-hole,
It is provided with external screw thread on the interconnecting piece,
It is provided in the axial direction with single radial cut inner cavity on the dust-proof nut, is provided on inner wall and cooperates with the external screw thread of the pedestal
Internal screw thread, extraneous the first air hole with its inner cavity of connection is offered on the dust-proof nut,
Single radial cut inner cavity is provided in the axial direction on the spring base, surface is provided with outer with the screw-internal thread fit of the pedestal
Screw thread offers extraneous the second air hole with its inner cavity of connection on the spring base,
The steel ball is set in the inner cavity of the spring base, and is additionally provided in the inner cavity of the spring base and is acted on steel ball simultaneously
The compression spring extrapolated, the diameter of the steel ball are greater than the aperture of the through-hole, and the spring base opening is towards pedestal
It is connected thereto, the steel ball is acted on by the compression spring and forms ball face sealing to the through-hole.
2. respiratory pressure valve according to claim 1, it is characterised in that: second air hole is located at the spring base
On side, the connection inner cavity is provided with reaming in the end of the fixed part, so that between the pedestal and the spring base
There are ventilative gap, second air hole is connected to the ventilative gap.
3. respiratory pressure valve according to claim 2, it is characterised in that: third air hole is offered on the fixed part,
The third air hole is connected to the ventilative gap.
4. respiratory pressure valve according to claim 1, it is characterised in that: be provided with rotating part on the spring base, pass through
Rotate the elastic force that the spring base adjusts the compression spring.
5. respiratory pressure valve according to claim 1, it is characterised in that: the end-face wall of the steel ball and the connection inner cavity
Between be folded with sealing ring.
6. respiratory pressure valve according to claim 1, it is characterised in that: first air hole is located at the dust-proof nut
Side on.
7. respiratory pressure valve according to claim 1, it is characterised in that: the fixed part is raised in the table of the interconnecting piece
Face, the fixed part and the dust-proof nut are formed to folder and are acted on inside and outside installation part.
8. respiratory pressure valve according to claim 1, it is characterised in that: the respiratory pressure valve uses in pairs, and opposite
Installation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570159.XA CN110206925A (en) | 2019-06-27 | 2019-06-27 | A kind of respiratory pressure valve |
| PCT/CN2019/110875 WO2020258590A1 (en) | 2019-06-27 | 2019-10-12 | Respiratory pressure valve and apparatus having respiratory pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570159.XA CN110206925A (en) | 2019-06-27 | 2019-06-27 | A kind of respiratory pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206925A true CN110206925A (en) | 2019-09-06 |
Family
ID=67795032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910570159.XA Pending CN110206925A (en) | 2019-06-27 | 2019-06-27 | A kind of respiratory pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206925A (en) |
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 |
| CN115435127A (en) * | 2022-07-15 | 2022-12-06 | 宁波隆兴气割工具有限公司 | Anti-backfire pressure reducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2599806A1 (en) * | 1986-06-10 | 1987-12-11 | Douaisis Sabes Stephanoise | Valve for a fluid-operated prop or similar member |
| CN2212117Y (en) * | 1995-02-27 | 1995-11-08 | 大连理工大学 | Leakageless full open gas bottle pressure discharging valve |
| CN2802145Y (en) * | 2005-07-08 | 2006-08-02 | 董乾东 | Noise silencer for water ring type vacuum pump |
| CN201628032U (en) * | 2010-03-28 | 2010-11-10 | 董玉芬 | One-way non-return pipe joint |
| CN201827459U (en) * | 2010-09-13 | 2011-05-11 | 刘远航 | Air-release valve |
| CN201916552U (en) * | 2010-11-22 | 2011-08-03 | 惠州市沃瑞科技有限公司 | Outdoor sealing device pressure balancer |
| CN203963136U (en) * | 2014-07-14 | 2014-11-26 | 郭金战 | A kind of one-way valve |
| CN105889583A (en) * | 2016-05-19 | 2016-08-24 | 山东浩信机械有限公司 | Hub unit |
| CN206017928U (en) * | 2016-07-06 | 2017-03-15 | 深圳市沃特玛电池有限公司 | A kind of breather valve |
| CN206221861U (en) * | 2016-11-03 | 2017-06-06 | 重庆鼎辉汽车燃气系统有限公司 | A kind of natural gas used for automobile buckle-type inflates socket attachment means |
| CN206682245U (en) * | 2017-05-10 | 2017-11-28 | 张明杰 | A kind of new trackless equipment respirator |
| CN206889693U (en) * | 2017-05-16 | 2018-01-16 | 太平洋电子(昆山)有限公司 | A kind of compressor self force type control valve |
| CN210179012U (en) * | 2019-06-27 | 2020-03-24 | 无锡明诚汽车部件有限公司 | Breathing pressure valve |
-
2019
- 2019-06-27 CN CN201910570159.XA patent/CN110206925A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2599806A1 (en) * | 1986-06-10 | 1987-12-11 | Douaisis Sabes Stephanoise | Valve for a fluid-operated prop or similar member |
| CN2212117Y (en) * | 1995-02-27 | 1995-11-08 | 大连理工大学 | Leakageless full open gas bottle pressure discharging valve |
| CN2802145Y (en) * | 2005-07-08 | 2006-08-02 | 董乾东 | Noise silencer for water ring type vacuum pump |
| CN201628032U (en) * | 2010-03-28 | 2010-11-10 | 董玉芬 | One-way non-return pipe joint |
| CN201827459U (en) * | 2010-09-13 | 2011-05-11 | 刘远航 | Air-release valve |
| CN201916552U (en) * | 2010-11-22 | 2011-08-03 | 惠州市沃瑞科技有限公司 | Outdoor sealing device pressure balancer |
| CN203963136U (en) * | 2014-07-14 | 2014-11-26 | 郭金战 | A kind of one-way valve |
| CN105889583A (en) * | 2016-05-19 | 2016-08-24 | 山东浩信机械有限公司 | Hub unit |
| CN206017928U (en) * | 2016-07-06 | 2017-03-15 | 深圳市沃特玛电池有限公司 | A kind of breather valve |
| CN206221861U (en) * | 2016-11-03 | 2017-06-06 | 重庆鼎辉汽车燃气系统有限公司 | A kind of natural gas used for automobile buckle-type inflates socket attachment means |
| CN206682245U (en) * | 2017-05-10 | 2017-11-28 | 张明杰 | A kind of new trackless equipment respirator |
| CN206889693U (en) * | 2017-05-16 | 2018-01-16 | 太平洋电子(昆山)有限公司 | A kind of compressor self force type control valve |
| CN210179012U (en) * | 2019-06-27 | 2020-03-24 | 无锡明诚汽车部件有限公司 | Breathing pressure valve |
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 |
| CN115435127A (en) * | 2022-07-15 | 2022-12-06 | 宁波隆兴气割工具有限公司 | Anti-backfire pressure reducer |
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