CN202768472U - Dustproof and waterproof structure of ventilator - Google Patents
Dustproof and waterproof structure of ventilator Download PDFInfo
- Publication number
- CN202768472U CN202768472U CN 201220296882 CN201220296882U CN202768472U CN 202768472 U CN202768472 U CN 202768472U CN 201220296882 CN201220296882 CN 201220296882 CN 201220296882 U CN201220296882 U CN 201220296882U CN 202768472 U CN202768472 U CN 202768472U
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- China
- Prior art keywords
- impeller
- motor
- ventilator
- dustproof
- diffusion barrel
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Abstract
The utility model discloses a dustproof and waterproof structure of a ventilator, which comprises a flow guide cover, an upper wind cylinder, an impeller, a motor, a diffusion cylinder, a cable and a junction box and is characterized in that the flow guide cover is arranged at an inlet of the impeller; a dirt discharge hole I is formed in a connecting arm between a hub external connecting part and a hub internal connecting part of the impeller; a main shaft of the motor is in shaft connection with the impeller; a dustproof cover is arranged on the outer edge of a motor cover on one side, connected with the impeller, of the motor; a dirt discharge hole II is formed in the outer edge of the motor cover; an inner cylinder of the diffusion cylinder is fixed on the outer side of the motor in a sleeving manner; a rear guide blade is fixed between the inner cylinder of the diffusion cylinder and the diffusion cylinder; a gap is formed between the inner wall of the inner cylinder of the diffusion cylinder and the outer edge of the motor cover; the upper wind cylinder is arranged on the outer side of the impeller in a sleeving manner and is fixedly connected with the diffusion cylinder; the junction box is fixed at the lower end of the motor; and the cable passes through the diffusion cylinder and is connected with the junction box. The dustproof and waterproof structure of the ventilator has higher stain resistance and high rotor stability, and the cleaning time and the maintenance period of a rotor can be prolonged.
Description
Technical field
The utility model relates to a kind of ventilator, specifically a kind of ventilator dustproof and waterproof structure.
Background technique
At present, ventilator is mainly used to cool off traction convertor and main transformer.The electric locomotive that uses in the west area is mainly take the fortune coal as main.In real work, ventilator is air-breathing with direct slave roof, without filtrating equipment.May have like this dust, grease, rainwater, snow etc. enters.Coal ash, dust etc. easily are deposited on the blade of ventilator, cause rotor dynamic balancing to destroy.When rain and snow can enter blower fan when inner, if protect improperly, may enter motor bearings inside and cause damage of bearings.And in actual use, it is large that vibration often appears in existing ventilator, the faults such as bearing burnt.And various pollutants directly blow to following main convertor radiator with cooling air by ventilator and main transformer is pressed radiator, easily cause the radiator dirt dirty, have a strong impact on heat dissipation potential.
The model utility content
According to the technical problem of above-mentioned proposition, and provide a kind of ventilator dustproof and waterproof structure.The utility model mainly utilizes wheel hub, the electrical machinery cover at ventilator to offer pollutant exhaust hole and dust-proof cover is set and dust ring, thereby plays the reliability that improves ventilator and the performance that improves ventilator, strengthens the effect of heat dissipation potential.The technological means that the utility model adopts is as follows:
A kind of ventilator dustproof and waterproof structure, comprise air guide sleeve, upper air duct, impeller, motor, diffusion barrel, elastic cable paper and terminal box, it is characterized in that: the import of described impeller is provided with described air guide sleeve, and the link arm in the outer joint of the wheel hub of described impeller and the wheel hub between the joint is provided with the pollutant exhaust hole I; The main shaft of described motor and described impeller are coupling, and described motor is connected a side with described impeller electrical machinery cover outer is provided with dust-proof cover, and described electrical machinery cover outer is provided with the pollutant exhaust hole II; The described motor outside is nested with and is fixed with the diffusion barrel inner core, is fixed with rear guide vane between described diffusion barrel inner core and the described diffusion barrel, is provided with the gap between the inwall of described diffusion barrel inner core and the described electrical machinery cover outer; Described windward jacket casing is put the outside at described impeller, and described upper air duct is fixedly connected with described diffusion barrel; Described motor lower end is fixed with described terminal box, and described elastic cable paper passes described diffusion barrel and links to each other with described terminal box.
As preferably, described impeller is the meridian acceleration impeller.
As preferably, the main shaft of described motor is provided with the mazy type dust ring near the position of described motor import.
As preferably, described pollutant exhaust hole I is the through hole that joint is offered on the joint true dip direction in wheel hub outside wheel hub, and the least significant end of described pollutant exhaust hole I is above described dust-proof cover; The through hole of described pollutant exhaust hole II for offering on the described diffusion barrel inner core true dip direction from the main shaft of described motor.
As preferably, described dust-proof cover is provided with at least 2 pollutant exhaust hole III.
As preferably, the corresponding maximum diameter in bottom of the outer joint of described wheel hub is greater than the diameter of described diffusion barrel inner tank theca.
As preferably, described upper air duct is tapering type opening, and described diffusion barrel is the gradually expansion type opening.
As preferably, described terminal box and the described elastic cable paper joint water swivel of setting up defences, the end that described terminal box is connected with described elastic cable paper is the inclined-plane, and the angle that connects the lower surface of described inclined-plane and described terminal box is α, and α satisfies: 100 °＜α＜150 °.
The utlity model has stronger stain resistance, i.e. preventing dust water-based, the rotor stability of Effective Raise ventilator, the clean time of Extending Rotor and service cycle.The utility model can extensively be promoted in fields such as the more abominable locomotive of running environment or electric cars for the foregoing reasons.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Among the figure: 1, air guide sleeve 2, upper air duct 3, impeller 31, pollutant exhaust hole I 4, motor 41, dust-proof cover 42, mazy type dust ring 43, pollutant exhaust hole II 44, diffusion barrel inner core 5, diffusion barrel 6, elastic cable paper 7, terminal box S
1, blowdown path I S
2, blowdown path II S
3, blowdown path III S
4, blowdown path IV A, air-flow approach axis
Embodiment
As shown in Figure 1, a kind of ventilator dustproof and waterproof structure, comprise air guide sleeve 1, upper air duct 2, impeller 3, motor 4, diffusion barrel 5, elastic cable paper 6 and terminal box 7, described impeller 3 is the meridian acceleration impeller, the import of described impeller 3 is provided with described air guide sleeve 1, link arm in the outer joint of the wheel hub of described impeller 3 and the wheel hub between the joint is provided with pollutant exhaust hole I 31, described pollutant exhaust hole I 31 is the through hole that joint is offered on the joint true dip direction in wheel hub outside wheel hub, pollutant exhaust hole I 31 can be with the rain that enters in impeller 3 wheel hubs, the impurity such as snow-broth (hereinafter to be referred as sewage) are discharged; The main shaft of described motor 4 and described impeller 3 are coupling, and the main shaft of described motor 4 is provided with mazy type dust ring 42 near the position of described motor 4 imports, and described mazy type dust ring 42 can prevent effectively that sewage from entering and burn out motor.Described motor 4 is provided with dust-proof cover 41 with the electrical machinery cover outer that described impeller 3 is connected a side, described dust-proof cover 41 is provided with at least 2 pollutant exhaust hole III, the least significant end of described pollutant exhaust hole I 31 is above described dust-proof cover 41, such layout can directly be discharged to the sewage of discharging from pollutant exhaust hole I 31 on the dust-proof cover 41, by the pollutant exhaust hole III it is discharged again.Described electrical machinery cover outer is provided with pollutant exhaust hole II 43, the through hole of described pollutant exhaust hole II 43 for offering on described diffusion barrel inner core 44 true dip directions from the main shaft of described motor 4, the purpose of offering like this pollutant exhaust hole is to discharge the sewage of being discharged by mazy type dust ring 42 and pollutant exhaust hole III.Described motor 4 outsides are nested with and are fixed with diffusion barrel inner core 44, the electrical machinery cover outer that is described motor 4 is fixing by flange and described diffusion barrel 44, be provided with the gap between the inwall of described diffusion barrel inner core 44 and the described electrical machinery cover outer, the purpose that the gap is set also is to discharge the sewage that a part is discharged by pollutant exhaust hole I 31, described flange outer also offers pollutant exhaust hole, is fixed with rear guide vane between described diffusion barrel inner core 44 and the described diffusion barrel 5; The corresponding maximum diameter in bottom of the outer joint of described wheel hub is greater than the diameter of described diffusion barrel inner core 44 outer walls, setting can be with impurity such as the rain that lands from atmosphere, snow-broths like this, directly discharge along the wheel hub external connecting, and do not enter into diffusion barrel inner core 44, affect machine operation.Described upper air duct 2 is nested with in the outside of described impeller 3, and described upper air duct 2 is tapering type opening, i.e. the horn mouth of upward opening, and horn mouth can increase air output, improves the ventilation of ventilator; Described upper air duct 2 is connected with described diffusion barrel 5 bolts, and described diffusion barrel 5 is the gradually expansion type opening, namely to the diffusion barrel of under shed.Described motor 4 lower ends are fixed with described terminal box 7, described terminal box 7 and the described elastic cable paper 6 joints water swivel of setting up defences, the end that described terminal box 7 is connected with described elastic cable paper 6 is the inclined-plane, the angle that connects the lower surface of described inclined-plane and described terminal box 7 is α, α satisfies: 100 °＜α＜150 °, described elastic cable paper 6 passes described diffusion barrel 5 and links to each other with described terminal box 7, the inclined-plane is set is when being connected with terminal box 7 for elastic cable paper 6, the least significant end of elastic cable paper 6 is lower than the connecting end of elastic cable paper 6 and terminal box 7, can prevent effectively that sewage from entering in the terminal box 7 from connecting end.
The utility model has 4 main blowdown paths in real work, be respectively blowdown path I S
1, blowdown path II S
2, blowdown path III S
3With blowdown path IV S
4As shown in Figure 1, A is the air-flow approach axis, and when the impurity such as rainy, snow-broth entered from upper air duct 2, large amount of sewage was by blowdown path I S
1Discharge, namely blade and the rear guide vane by impeller 3 flows out from diffusion barrel 5 lower ends, and a part of sewage can flow down by joint outside the wheel hub of impeller 3 therebetween, and the outer wall along diffusion barrel inner core 44 flows out diffusion barrel 5 again; Meanwhile a part of sewage is through blowdown path II S
2Discharge, namely blade and the rear guide vane by impeller 3 flows down, with blowdown path I S
1Different is, and a small amount of sewage can be discharged along elastic cable paper 6, and elastic cable paper 6 is higher than the least significant end that elastic cable paper 6 hangs down with the connecting end of terminal box 7, and therefore, sewage can be directly can not enter terminal box 7 along the outer wall discharge of elastic cable paper 6; When some sewage entered in the wheel hub of impeller 3, sewage can be from blowdown path III S
3Discharge, namely discharge in the gap of sewage between pollutant exhaust hole I 31, dust-proof cover 41 upper surfaces and diffusion barrel inner core 44 and electrical machinery cover outer; Further, when having sewage to see through the pollutant exhaust hole III on the dust-proof cover 41 or the gap between the joint enters into electric machine main shaft in dust-proof cover 41 and wheel hub, sewage can be from blowdown path IV S
4Discharge, namely sewage is discharged from pollutant exhaust hole II 43.
The above; it only is the better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and model utility design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (8)
1. ventilator dustproof and waterproof structure, comprise air guide sleeve (1), upper air duct (2), impeller (3), motor (4), diffusion barrel (5), elastic cable paper (6) and terminal box (7), it is characterized in that: the import of described impeller (3) is provided with described air guide sleeve (1), and the link arm in the outer joint of the wheel hub of described impeller (3) and the wheel hub between the joint is provided with pollutant exhaust hole I (31); The main shaft of described motor (4) and described impeller (3) are coupling, and described motor (4) is connected a side with described impeller (3) electrical machinery cover outer is provided with dust-proof cover (41), and described electrical machinery cover outer is provided with pollutant exhaust hole II (43); Described motor (4) outside is nested with and is fixed with diffusion barrel inner core (44), is fixed with rear guide vane between described diffusion barrel inner core (44) and the described diffusion barrel (5), is provided with the gap between the inwall of described diffusion barrel inner core (44) and the described electrical machinery cover outer; Described upper air duct (2) is nested with in the outside of described impeller (3), and described upper air duct (2) is fixedly connected with described diffusion barrel (5); Described motor (4) lower end is fixed with described terminal box (7), and described elastic cable paper (6) passes described diffusion barrel (5) and links to each other with described terminal box (7).
2. ventilator dustproof and waterproof structure according to claim 1, it is characterized in that: described impeller (3) is the meridian acceleration impeller.
3. ventilator dustproof and waterproof structure according to claim 1 is characterized in that: the main shaft of described motor (4) is provided with mazy type dust ring (42) near the position of described motor (4) import.
4. ventilator dustproof and waterproof structure according to claim 1, it is characterized in that: described pollutant exhaust hole I (31) is the through hole that joint is offered on the joint true dip direction in wheel hub outside wheel hub, the least significant end of described pollutant exhaust hole I (31) is in the top of described dust-proof cover (41); The through hole of described pollutant exhaust hole II (43) for offering on described diffusion barrel inner core (44) true dip direction from the main shaft of described motor (4).
5. ventilator dustproof and waterproof structure according to claim 1, it is characterized in that: described dust-proof cover (41) is provided with at least 2 pollutant exhaust hole III.
6. ventilator dustproof and waterproof structure according to claim 1 is characterized in that: the corresponding maximum diameter in bottom of the outer joint of described wheel hub is greater than the diameter of described diffusion barrel inner core (44) outer wall.
7. ventilator dustproof and waterproof structure according to claim 1, it is characterized in that: described upper air duct (2) is tapering type opening, and described diffusion barrel (5) is the gradually expansion type opening.
8. ventilator dustproof and waterproof structure according to claim 1, it is characterized in that: described terminal box (7) and described elastic cable paper (6) the joint water swivel of setting up defences, the end that described terminal box (7) is connected with described elastic cable paper (6) is the inclined-plane, the angle that connects the lower surface of described inclined-plane and described terminal box (7) is α, and α satisfies: 100 °＜α＜150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296882 CN202768472U (en) | 2012-06-21 | 2012-06-21 | Dustproof and waterproof structure of ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296882 CN202768472U (en) | 2012-06-21 | 2012-06-21 | Dustproof and waterproof structure of ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768472U true CN202768472U (en) | 2013-03-06 |
Family
ID=47775052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220296882 Expired - Lifetime CN202768472U (en) | 2012-06-21 | 2012-06-21 | Dustproof and waterproof structure of ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734214A (en) * | 2012-06-21 | 2012-10-17 | 中国北车集团大连机车研究所有限公司 | Dustproof and waterproof structure of ventilator |
| CN105840536A (en) * | 2016-06-07 | 2016-08-10 | 福建华大电机有限公司 | Grain drying diagonal fan |
-
2012
- 2012-06-21 CN CN 201220296882 patent/CN202768472U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734214A (en) * | 2012-06-21 | 2012-10-17 | 中国北车集团大连机车研究所有限公司 | Dustproof and waterproof structure of ventilator |
| CN105840536A (en) * | 2016-06-07 | 2016-08-10 | 福建华大电机有限公司 | Grain drying diagonal fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116021 Shahekou, Liaoning, China No. 49 The Strip Patentee after: CRRC DALIAN INSTITUTE Co.,Ltd. Address before: 116021 Shahekou, Liaoning, China No. 49 The Strip Patentee before: CNR DALIAN LOCOMOTIVE RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |