CN210461806U - Waterproof breather valve assembly structure of motor - Google Patents
Waterproof breather valve assembly structure of motor Download PDFInfo
- Publication number
- CN210461806U CN210461806U CN201920991770.5U CN201920991770U CN210461806U CN 210461806 U CN210461806 U CN 210461806U CN 201920991770 U CN201920991770 U CN 201920991770U CN 210461806 U CN210461806 U CN 210461806U
- Authority
- CN
- China
- Prior art keywords
- motor
- breather valve
- air
- waterproof
- breather
- 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.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses a waterproof breather valve assembly structure of motor for the casing inner chamber is the motor in closed space, and is provided with two breather valves on the casing at least, and the breather valve is one-way contrary structure that ends, and two breather valves arrange on the casing with runner opposite direction local mode. Above-mentioned waterproof breather valve assembly structure of motor acts on full seal structure's motor organism, can effectively adjust inner chamber atmospheric pressure, has fully guaranteed waterproof performance, can self-bleeding when inside high-pressure inflation, and the automatic naked light that goes out of oxygen deficiency in the twinkling of an eye when inside burning is on fire to realize waterproof, fire prevention, adjust the function of interior pressure, realize the functional breakthrough of motor.
Description
Technical Field
The utility model relates to a motor sealing technique field especially relates to a waterproof breather valve assembly structure of motor.
Background
The motor is a device with high functional requirements, is easily damaged by external dust and water, and has an influence on the service life, and particularly has higher sealing requirements under severe environment working conditions. Particularly, the inner cavity of the motor is required to be of a closed structure due to the requirement of waterproofness, however, the motor can generate heat under the continuous working state, the inner cavity can cause internal gas expansion under the sealing state, the internal pressure rises to cause the body to crack, and even the motor is burnt due to high-temperature heat under the extreme state.
Therefore, the completely sealed structure has disadvantages in that the expansion and exhaust ability and the fire prevention function are considered in addition to the waterproof property of the body. Therefore, the optimal design is that after the sealing performance is ensured, an additional pressure regulating device is arranged for matching use, so that the effect of regulating the air pressure in the inner cavity is achieved.
The design that sets up electric control valve on the casing exists among the prior art, monitors temperature, pressure isoparametric through the cooperation sensor, in case the detected value is unusual, control valve opens promptly, reaches the purpose of pressure release, and when the detected value was normal, the valve that controls resets again and closes. The structure control system is complex, high in cost, high in requirement on sensor sensitivity, high in failure rate, poor in soaking resistance, large in motor structure transformation degree and insufficient in adaptability.
SUMMERY OF THE UTILITY MODEL
Based on it, an object of the utility model is to provide a waterproof breather valve assembly structure of motor through add waterproof breather valve on the motor organism, reaches the effect of automatically regulated motor inner chamber pressure, solves the drawback that complete seal structure exists to improve motor waterproof performance.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a waterproof breather valve assembly structure of motor for the casing inner chamber is the motor of enclosed space, and is provided with two breather valves on the casing at least, and the breather valve is one-way check structure, and two breather valves arrange on the casing with the opposite local mode of runner direction.
The breather valve comprises a valve body, a spring seat and a steel ball, wherein a single-opening inner cavity is formed in the valve body along the axial direction, a first air hole extending to the outer end face is formed in the end face wall of the valve body, a single-opening inner cavity is formed in the spring seat along the axial direction, a second air hole extending to the outer end face is formed in the end face wall of the spring seat, the steel ball is arranged in the inner cavity of the spring seat, a pressure spring acting on the steel ball and pushing the steel ball outwards is further arranged in the inner cavity of the spring seat, the diameter of the steel ball is larger than the aperture of the first air hole, the opening of the spring seat is in interference press-fitting in the inner cavity of the valve body.
Wherein, a sealing ring is clamped between the steel ball and the inner wall of the valve body.
Wherein, the valve body is provided with a limit groove corresponding to the sealing ring.
Wherein, two breather valves are installed on the inner wall of casing, have seted up two installation cavities on the casing, and two breather valves are installed in corresponding the installation cavity, and the second bleeder vent of a breather valve pastes and leans on the casing, and the second bleeder vent of another breather valve is back to the casing.
Wherein, the valve bodies of the two breather valves are pressed in the corresponding mounting cavities in an interference fit manner.
Or the second air hole is pressed in one mounting cavity by interference fit against the valve body of the breather valve of the shell, and the breather valve of the shell back to the second air hole has no valve body and directly presses the spring seat in the other mounting cavity by interference fit.
Wherein, two air cavities communicated with the flow channel of the breather valve in the corresponding mounting cavity are arranged on the shell, and the two air cavities extend to the outer surface of the shell from the corresponding air channels to form a natural air suction port and an air exhaust port.
Or, two air cavities communicated with the corresponding flow channel of the breather valve in the mounting cavity are formed in the shell, the two air cavities are communicated by one air channel, and the air channel extends to the outer surface of the shell to form an air vent.
To sum up, the beneficial effects of the utility model are that, compared with the prior art, the waterproof breather valve assembly structure of motor acts on full seal structure's motor organism, can effectively adjust inner chamber atmospheric pressure, has fully guaranteed waterproof performance, can self-bleeding when inside high-pressure inflation, and the automatic naked light that goes out of oxygen deficiency in the twinkling of an eye when inside burning is on fire to realize waterproof, prevent fires, adjust the function of pressing in, realize the functional breakthrough of motor.
Drawings
Fig. 1 is a schematic view of a waterproof breather valve assembly structure of a motor provided in embodiment 1 of the present invention, which is disposed on a rear cover of the motor;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a front view of the inner end face of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic view of the waterproof breather valve assembly structure of the motor provided in embodiment 2 of the present invention, which is disposed on the rear cover of the motor;
FIG. 6 is an exploded view of the structure of FIG. 5;
FIG. 7 is an elevation view of the inner end face of FIG. 5;
fig. 8 is a cross-sectional view taken at B-B in fig. 7.
In the figure:
1-a valve body; 2-a spring seat; 3-steel ball; 4-a pressure spring; 5-sealing ring; 6-a first air hole; 7-a second air hole; 8-a limiting groove; 9-a housing; 10-mounting a cavity; 11-an air cavity; 12-natural aspiration entry; 13-an exhaust port; 14-the airway; 15-vent.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1:
referring to fig. 1 to 4, the present embodiment provides a waterproof breather valve assembly structure for a motor, which is suitable for various motors and is used to effectively adjust air pressure in a body cavity, so as to overcome the drawbacks of a fully sealed structure of the motor and improve the waterproof performance of the motor. The assembly structure can be arranged at any position on the motor body, and the motor rear cover is taken as an example for detailed description in the embodiment.
This waterproof breather valve assembly structure for the casing inner chamber is the motor of closed space, and is provided with two breather valves on the casing at least, and the breather valve is one-way non-return structure, and two breather valves arrange on the casing with the opposite local mode of runner direction, thereby exhale, inhale ground automatically regulated internal pressure one.
The breather valve here comprises a valve body 1, a spring seat 2 and a steel ball 3.
The valve body 1 is provided with a single-opening inner cavity along the axial direction, and the end surface wall of the valve body is provided with a first air hole 6 extending to the outer end surface.
The spring seat 2 is provided with a single-opening inner cavity along the axial direction, and the end surface wall of the spring seat is provided with a second air hole 7 extending to the outer end surface.
The steel ball 3 is arranged in the inner cavity of the spring seat 2, a pressure spring 4 which acts on the steel ball 3 and pushes the steel ball out of the steel ball is further arranged in the inner cavity of the spring seat 2, the diameter of the steel ball 3 is larger than the aperture of the first air hole 6, the opening of the spring seat 2 faces the first air hole 7 and is in interference press-fit with the inner cavity of the valve body 1, and the steel ball 3 is acted by the pressure spring 4 to form spherical seal on the first air hole 6.
In order to ensure the sealing effect, a sealing ring 5 is clamped between the steel ball 3 and the inner wall of the valve body 1, and a limiting groove 8 is formed in the valve body 1 corresponding to the sealing ring 5 to ensure the stable structure.
Two breather valves are installed on the inner wall of casing 9, have seted up two installation cavities 10 on the casing 9, and two breather valves are installed in corresponding installation cavity 10, and the second bleeder vent 7 of a breather valve pastes and leans on casing 9, and the second bleeder vent 7 of another breather valve is back to casing 9.
The valve bodies 1 of the two breather valves are pressed in the corresponding mounting cavities 10 in an interference fit mode. When the breather valve is installed, the valve body 1 of the breather valve is fixed on the shell 9.
Two air cavities 11 communicated with the flow channel of the breather valve in the corresponding mounting cavity 10 are formed in the shell 9, and the two air cavities 11 extend to the outer surface of the shell 9 from the corresponding air channels to form a natural air suction port 12 and an air exhaust port 13.
Example 2:
referring to fig. 5 to 8, based on embodiment 1, considering the structure of the breather valve, the breather valve may be integrated on the housing 9, mainly for the breather valve with the second vent 7 facing away from the housing 9, the breather valve does not need the valve body 1, and the spring seat 2 may be directly press-fitted into an installation cavity 10 in an interference manner; the breather valve with the second breather hole 7 attached to the shell 9 is still designed, and the valve body 1 of the breather valve is pressed in another installation cavity 10 in an interference fit mode.
During the installation, lean on second bleeder vent 7 and lean on the valve body 1 of the breather valve of casing 9 to be fixed in on the casing 9, and with second bleeder vent 7 back to the casing 9 the breather valve the spring holder 2 of the good steel ball 3 after directly fixed in on the casing 9 can, the installation is simple, integrated small, almost no influence to the motor original structure.
In addition, it is also possible to modify the embodiment 1 such that the two air chambers 11 are communicated by an air passage 14, and the air passage extends to the outer surface of the housing 9 to form an air vent 15.
The positions of the vent 15, the natural air inlet 12 and the exhaust port 13 may be set according to actual conditions.
To sum up, above-mentioned waterproof breather valve assembly structure of motor acts on full seal structure's motor organism, can effectively adjust inner chamber atmospheric pressure, has fully guaranteed waterproof performance, can self-bleeding when inside high-pressure inflation, and the automatic naked light that goes out of oxygen deficiency in the twinkling of an eye when inside burning is on fire to realize waterproof, fire prevention, adjust the function of interior pressure, realize the functional breakthrough of motor.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a waterproof breather valve assembly structure of motor which characterized in that for the motor of casing inner chamber for closed space, and be provided with two breather valves on the casing at least, the breather valve is one-way check structure, and two breather valves arrange on the casing with the opposite local mode of runner direction.
2. The waterproof breather valve assembly structure of motor of claim 1, characterized in that: the breather valve comprises a valve body, a spring seat and a steel ball, wherein a single-opening inner cavity is formed in the valve body along the axial direction, a first air hole extending to the outer end face is formed in the end face wall of the valve body, a single-opening inner cavity is formed in the spring seat along the axial direction, a second air hole extending to the outer end face is formed in the end face wall of the spring seat, the steel ball is arranged in the inner cavity of the spring seat, a pressure spring acting on the steel ball and pushing the steel ball outwards is further arranged in the inner cavity of the spring seat, the diameter of the steel ball is larger than the aperture of the first air hole, the opening of the spring seat is in interference press-fit with the first air hole, and the steel ball is in spherical seal with the first air hole.
3. The waterproof breather valve assembly structure of motor of claim 2, characterized in that: and a sealing ring is clamped between the steel ball and the inner wall of the valve body.
4. The waterproof breather valve assembly structure of motor of claim 3, characterized in that: and the valve body is provided with a limit groove corresponding to the sealing ring.
5. The waterproof breather valve assembly structure of motor of claim 2, characterized in that: two the breather valve is installed on the inner wall of casing, two installation cavities have been seted up on the casing, two the breather valve is installed in corresponding the installation cavity, and the second bleeder vent of a breather valve pastes and leans on the casing, the second bleeder vent of another breather valve is back to the casing.
6. The waterproof breather valve assembly structure of motor of claim 5, characterized in that: the valve bodies of the two breather valves are pressed in the corresponding mounting cavities in an interference fit manner.
7. The waterproof breather valve assembly structure of motor of claim 5, characterized in that: the second air hole is pressed in one mounting cavity by interference against the valve body of the breather valve of the shell, and the breather valve of the shell back to the second air hole has no valve body and directly presses the spring seat in the other mounting cavity by interference.
8. The waterproof breather valve assembly structure of motor of claim 5, characterized in that: the shell is provided with two air cavities communicated with the flow channel of the breather valve in the corresponding mounting cavity, and the two air cavities extend to the outer surface of the shell from the corresponding air channels to form a natural air suction port and an air exhaust port.
9. The waterproof breather valve assembly structure of motor of claim 5, characterized in that: two air cavities communicated with the flow channel of the corresponding breather valve in the installation cavity are formed in the shell, the two air cavities are communicated through an air channel, and the air channel extends to the outer surface of the shell to form an air vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991770.5U CN210461806U (en) | 2019-06-27 | 2019-06-27 | Waterproof breather valve assembly structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991770.5U CN210461806U (en) | 2019-06-27 | 2019-06-27 | Waterproof breather valve assembly structure of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461806U true CN210461806U (en) | 2020-05-05 |
Family
ID=70442586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991770.5U Active CN210461806U (en) | 2019-06-27 | 2019-06-27 | Waterproof breather valve assembly structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461806U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112524307A (en) * | 2020-11-30 | 2021-03-19 | 合肥江航飞机装备股份有限公司 | Water-intake-preventing oxygen-releasing indicator |
-
2019
- 2019-06-27 CN CN201920991770.5U patent/CN210461806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112524307A (en) * | 2020-11-30 | 2021-03-19 | 合肥江航飞机装备股份有限公司 | Water-intake-preventing oxygen-releasing indicator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210461806U (en) | Waterproof breather valve assembly structure of motor | |
| EP0949417A3 (en) | Compressor with combined pressure sensor and high pressure relief valve assembly | |
| CN210461826U (en) | Waterproof breather valve assembly mechanism of motor | |
| CN110206919A (en) | Motor water-proof valve assembly structure | |
| JP2003060360A (en) | Electronic equipment housing | |
| CN209948841U (en) | Starter immersion-proof structure | |
| CN109162919A (en) | A kind of anti-vacuum evacuation device of screw compressor | |
| CN210179012U (en) | Breathing pressure valve | |
| CN110332345A (en) | Motor water-proof valve assembly mechanism | |
| CN209431372U (en) | A kind of breathing structure and lamps and lanterns for lamps and lanterns | |
| CN101474941A (en) | Vehicle rear axle ventilation plug with integral structure | |
| CN111425641A (en) | High-temperature automatic cut-off type gas valve | |
| DE50012351D1 (en) | Sealing plug arrangement for accumulators | |
| CN201339727Y (en) | Exhaust check valve | |
| CN2466479Y (en) | Safety quick gas connector | |
| CN210317771U (en) | Air-supplementing enthalpy-increasing assembly and scroll compressor for new energy automobile | |
| CN201346961Y (en) | Rear axle ventilation plug for automobiles | |
| CN209800806U (en) | Waterproof exhaust structure for nozzle baffle type positioner | |
| CN211573734U (en) | Control valve air pump integrated with shape memory alloy | |
| CN108758040B (en) | Respiration pressure reducing valve | |
| CN211481040U (en) | Waterproof ventilative structure of starter | |
| CN109424727B (en) | Speed reducer ventilation structure and speed reducer | |
| CN210687149U (en) | High-temperature automatic cut-off type gas valve | |
| CN211901686U (en) | Ventilation device | |
| CN218849367U (en) | Engine oil pressure switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |