CN203289236U - Multistage protection system capable of preventing water from penetrating and entering in drive motor, for bus-mounted fire-fighting pump - Google Patents
Multistage protection system capable of preventing water from penetrating and entering in drive motor, for bus-mounted fire-fighting pump Download PDFInfo
- Publication number
- CN203289236U CN203289236U CN2013202479613U CN201320247961U CN203289236U CN 203289236 U CN203289236 U CN 203289236U CN 2013202479613 U CN2013202479613 U CN 2013202479613U CN 201320247961 U CN201320247961 U CN 201320247961U CN 203289236 U CN203289236 U CN 203289236U
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- China
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- transmission shaft
- drive motors
- drive motor
- motor flange
- protection system
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- Expired - Fee Related
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Abstract
The utility model relates to a multistage protection system capable of preventing water from penetrating and entering in a drive motor, for a bus-mounted fire-fighting pump. The multistage protection system comprises a drive motor shell, a transmission shaft and a pump body, wherein the transmission shaft is arranged in the drive motor shell, and penetrates in the pump body; the drive motor shell comprises a high-temperature-resistant sealing device, a motor flange front end cover, an annular groove, an O-shaped sealing ring and a drain hole; the high-temperature-resistant sealing device is sleeved on the transmission shaft and located at the lower end of the motor flange front end cover; the motor flange front end cover is located between the drive motor shell and the pump body, the rear end of the motor flange front end cover is fixedly connected with the drive motor shell, and the front end of the motor flange front end cover is fixedly connected with the pump body; the O-shaped sealing ring is arranged in the inner cavity of the annular groove and sleeved on the transmission shaft; the annular groove and the O-shaped sealing ring are close to the front end of the high-temperature-resistant sealing device and located above the drain hole; and the drain hole is located in a lower end outside the transmission shaft. The utility model aims at preventing water from penetrating in the drive motor, thus effectively avoiding sudden penetration, and guaranteeing normal and stable working.
Description
Technical field
The utility model relates to a kind of bus fire pump field, and particularly a kind of public transport vehicle-mounted fire pump can prevent that sealing penetrates into the multistage protection system of drive motors.
Background technology
When public transport vehicle-mounted fire pump, the pump housing, due to long running, causes the hermetically-sealed construction withstand voltage properties in the pump housing poor, easily causes seepage to drive motors, thereby causes that unnecessary electric leakage accident occurs; Due to paroxysmal seepage, thereby cause in the drive motors chamber water inlet, can't guarantee the running that continues of the pump housing, affect the normal fire-fighting work of drawing water, easily cause the damage of motor, also can have influence on operator's personal safety in the time of seriously.
The utility model content
The purpose of this utility model is to provide a kind of and prevents seepage in drive motors, has effectively avoided paroxysmal seepage, guarantees that stable public transport vehicle-mounted fire pump working properly can prevent that sealing penetrates into the multistage protection system of drive motors.
the purpose of this utility model is achieved through the following technical solutions: a kind of public transport vehicle-mounted fire pump can prevent that sealing penetrates into the multistage protection system of drive motors, comprise the drive motors casing, power transmission shaft and the pump housing, be provided with power transmission shaft in described drive motors casing, and this power transmission shaft is in the pump housing, it is characterized in that: described drive motors casing comprises refractory seal device, the motor flange front end housing, cannelure, O RunddichtringO and porus excretorius, described refractory seal device is enclosed within on power transmission shaft and is positioned at the lower end of motor flange front end housing, described motor flange front end housing is between drive motors casing and the pump housing, the rear end of described motor flange front end housing is fixedly connected with the drive motors casing, the front end of motor flange front end housing is fixedly connected with the pump housing, described cannelure inner chamber is provided with the O RunddichtringO and is enclosed within on power transmission shaft, described cannelure and O RunddichtringO are close to the front end of refractory seal device and are positioned at the top of porus excretorius, described porus excretorius is positioned at the outer lower end of power transmission shaft.
Described refractory seal device is the axle sealing ring.
Described refractory seal device is made by wear-resisting and resistant to elevated temperatures material.
The utility model has the advantage of:, by being provided with the O RunddichtringO, prevent seepage in drive motors, avoided unnecessary electric leakage security incident; By being provided with refractory seal device, effectively prevent paroxysmal seepage, guaranteed the stable operator's of reaching working properly personal safety.
Description of drawings
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is that public transport vehicle-mounted fire pump of the present utility model can prevent that sealing penetrates into the structural representation of the multistage protection system of drive motors.
Fig. 2 is the structure for amplifying sketch of the refractory seal device of Fig. 1.
Fig. 3 is the structure for amplifying sketch of the O RunddichtringO of Fig. 1.
Embodiment
see also Fig. 1 to 3, that a kind of public transport vehicle-mounted fire pump described in the utility model can prevent that sealing penetrates into the multistage protection system of drive motors, comprise the drive motors casing, power transmission shaft 6 and the pump housing, be provided with power transmission shaft 6 in described drive motors casing, and this power transmission shaft 6 is in the pump housing, it is characterized in that: described drive motors casing comprises refractory seal device 5, motor flange front end housing 1, cannelure 3, O RunddichtringO 4 and porus excretorius 2, described refractory seal device 5 is enclosed within on power transmission shaft 6 and is positioned at the lower end of motor flange front end housing 1, described motor flange front end 1 covers between drive motors casing and the pump housing, the rear end of described motor flange front end housing 1 is fixedly connected with the drive motors casing, the front end of motor flange front end housing 1 is fixedly connected with the pump housing, described cannelure 3 inner chambers are provided with O RunddichtringO 4 and are enclosed within on power transmission shaft 6, described cannelure 3 is close to the front end of refractory seal device 5 with O RunddichtringO 4 and is positioned at the top of porus excretorius 2, described porus excretorius 2 is positioned at the outer lower end of power transmission shaft 6.
Described refractory seal device 5 is the axle sealing ring.
Described refractory seal device 5 is made by wear-resisting and resistant to elevated temperatures material.
Claims (3)
1. a public transport vehicle-mounted fire pump can prevent that sealing penetrates into the multistage protection system of drive motors, comprise the drive motors casing, power transmission shaft and the pump housing, be provided with power transmission shaft in described drive motors casing, and this power transmission shaft is in the pump housing, it is characterized in that: described drive motors casing comprises refractory seal device, the motor flange front end housing, cannelure, O RunddichtringO and porus excretorius, described refractory seal device is enclosed within on power transmission shaft and is positioned at the lower end of motor flange front end housing, described motor flange front end housing is between drive motors casing and the pump housing, the rear end of described motor flange front end housing is fixedly connected with the drive motors casing, the front end of motor flange front end housing is fixedly connected with the pump housing, described cannelure inner chamber is provided with the O RunddichtringO and is enclosed within on power transmission shaft, described cannelure and O RunddichtringO are close to the front end of refractory seal device and are positioned at the top of porus excretorius, described porus excretorius is positioned at the outer lower end of power transmission shaft.
2. public transport vehicle-mounted fire pump according to claim 1 can prevent that sealing penetrates into the multistage protection system of drive motors, is characterized in that: described refractory seal device is the axle sealing ring.
3. public transport vehicle-mounted fire pump according to claim 1 can prevent that sealing penetrates into the multistage protection system of drive motors, is characterized in that: described refractory seal device is made by wear-resisting and resistant to elevated temperatures material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202479613U CN203289236U (en) | 2013-05-09 | 2013-05-09 | Multistage protection system capable of preventing water from penetrating and entering in drive motor, for bus-mounted fire-fighting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202479613U CN203289236U (en) | 2013-05-09 | 2013-05-09 | Multistage protection system capable of preventing water from penetrating and entering in drive motor, for bus-mounted fire-fighting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289236U true CN203289236U (en) | 2013-11-13 |
Family
ID=49545580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202479613U Expired - Fee Related CN203289236U (en) | 2013-05-09 | 2013-05-09 | Multistage protection system capable of preventing water from penetrating and entering in drive motor, for bus-mounted fire-fighting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203289236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233596A (en) * | 2016-12-15 | 2018-06-29 | 佛山市净瓶泉卫浴有限公司 | A kind of set axis low-disturbance force motor |
-
2013
- 2013-05-09 CN CN2013202479613U patent/CN203289236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233596A (en) * | 2016-12-15 | 2018-06-29 | 佛山市净瓶泉卫浴有限公司 | A kind of set axis low-disturbance force motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |