CN101562365B - Sealing device used between motor and structural component - Google Patents

Sealing device used between motor and structural component Download PDF

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Publication number
CN101562365B
CN101562365B CN2009101421990A CN200910142199A CN101562365B CN 101562365 B CN101562365 B CN 101562365B CN 2009101421990 A CN2009101421990 A CN 2009101421990A CN 200910142199 A CN200910142199 A CN 200910142199A CN 101562365 B CN101562365 B CN 101562365B
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China
Prior art keywords
motor
pressure chamber
sealing device
vacuum chamber
structural component
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CN2009101421990A
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Chinese (zh)
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CN101562365A (en
Inventor
张金山
韩海芬
范月容
衣大勇
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China Institute of Atomic of Energy
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China Institute of Atomic of Energy
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Priority to CN2009101421990A priority Critical patent/CN101562365B/en
Publication of CN101562365A publication Critical patent/CN101562365A/en
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Abstract

The invention discloses a sealing device used between a motor and a structural component, which comprises a shell (2), wherein the shell (2) divides the interior of the shell into a high-pressure chamber (4) and a negative-pressure chamber (6) through a partition plate (5), the high-pressure chamber (4) is connected with an inlet connecting pipe (3), and the negative-pressure chamber (6) is connected with an air suction connecting pipe (9). The device leakproofness is good, simple structure, and is fabulous to prevent that environmental liquid from leaking into the motor and the impurity in the motor spills to the liquid of environment.

Description

A kind of sealing device that is used between motor and the structure member
Technical field
The present invention relates to a kind of field of sealing technology of motor, particularly a kind of sealing device that is used between motor and the structure member.
Background technology
At present, the shaft end seal of the motor that generally adopts is by form sealings such as the employing of the gap between rotating shaft and shell rubber seal in the prior art, this kind structure can be good at satisfying the requirement of the sealing of environmental liquids under the general environment condition, but when the environment of specific (special) requirements is arranged, the hermetically-sealed construction of forms such as sealing ring no longer can satisfy the requirement of sealing, need be to its further sealing.
Summary of the invention
The present invention has overcome deficiency of the prior art, and a kind of good airproof performance is provided, the sealing device that is used between motor and the structure member simple in structure.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of sealing device that is used between motor and the structure member comprises housing, and key is that described housing is divided into high-pressure chamber and vacuum chamber by demarcation strip with its inside, and high-pressure chamber connects entrance sleeve, and vacuum chamber connects the adapter of bleeding.
Each 1 of described high-pressure chamber, vacuum chamber.
Compared with prior art, the invention has the beneficial effects as follows: this device can be realized movable sealing by the high-pressure chamber of enclosure interior and cooperating of vacuum chamber, has further strengthened sealing effectiveness, prevented the liquid motor that bleeds, prevented that also the impurity in the motor from spilling.
Description of drawings
The cutaway view of Fig. 1 sealing device
The adapter of bleeding of 1 structure member, 2 housings, 3 entrance sleeves, 4 high-pressure chamber, 5 demarcation strips, 6 vacuum chamber, 7 motors, 8 output shafts, 9
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
Sealing device shown in Figure 1 is installed between motor and the structure member, and sealing device is set up transition region between motor 7 and structure member 1, realizes the isolation to both sides, and sealing device adopts welding manner to be connected with motor 7, structure member 1.
This device comprises housing 2, and housing 2 is divided into a plurality of high-pressure chamber and vacuum chamber by demarcation strip 5 with its inside, and present embodiment is that example is illustrated with 4,1 vacuum chamber 6 of 1 high-pressure chamber.Output shaft 8 runs through structure member 1, housing 2, demarcation strip 5, high-pressure chamber 4, vacuum chamber 6 continuously, can realize movable sealing by high-pressure chamber 4 and vacuum chamber 6.High-pressure chamber 4 connects entrance sleeve 3, is used for feeding Compressed Gas to high-pressure chamber 4; Vacuum chamber 6 connects the adapter 9 of bleeding, and is connected with negative pressure system.
Motor 7 must be realized power output by output shaft 8 in when work under the liquid, and in outputting power, output shaft 8 will pass motor housing, may cause outside liquid to bleed oil leakage in motor 7 or the motor 7 in outside liquid.At first Wai Bu compress air system feeds compressed air (air or helium etc.) by entrance sleeve 3 in high-pressure chamber 4, makes the gas pressure in the high-pressure chamber 4 be higher than fluid pressure in the external environment condition, and gas can spill, and liquid cannot bleed.Take over 9 by bleeding and link to each other with negative pressure system such as vacuum system, make the pressure of vacuum chamber 6 be lower than the pressure of high-pressure chamber 4, gas bleeds from high-pressure chamber 4 vacuum chamber 6, prevents that the impurity in the motor 7 from spilling.The continuous operation of external compression gas system is used for replenishing the gas that the course of work is revealed.

Claims (2)

1. sealing device that is used between motor and the structure member, comprise housing (2), it is characterized in that, described housing (2) is divided into high-pressure chamber (4) and vacuum chamber (6) by demarcation strip (5) with its inside, high-pressure chamber (4) connects entrance sleeve (3), and vacuum chamber (6) connects the adapter (9) of bleeding.
2. a kind of sealing device that is used between motor and the structure member according to claim 1 is characterized in that, each 1 of described high-pressure chamber (4), vacuum chamber (6).
CN2009101421990A 2009-06-05 2009-06-05 Sealing device used between motor and structural component Active CN101562365B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101421990A CN101562365B (en) 2009-06-05 2009-06-05 Sealing device used between motor and structural component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101421990A CN101562365B (en) 2009-06-05 2009-06-05 Sealing device used between motor and structural component

Publications (2)

Publication Number Publication Date
CN101562365A CN101562365A (en) 2009-10-21
CN101562365B true CN101562365B (en) 2011-12-07

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761194A (en) * 2012-07-19 2012-10-31 刘立文 Sealing device for dust explosion-proof motor
DE102014000364A1 (en) * 2014-01-16 2015-07-16 Man Truck & Bus Ag Electric machine for a vehicle, in particular for a utility vehicle, and method for protection against penetrating water
CN113241877B (en) * 2021-05-18 2022-03-22 安徽达来电机有限公司 Sealed positive pressure motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579349A (en) * 1984-12-27 1986-04-01 Westinghouse Electric Corp. Single ring gland seal for a dynamoelectric machine rotating shaft
CN2863225Y (en) * 2005-12-23 2007-01-31 苏州安泰空气技术有限公司 Leakage proof air filtration unit
CN101016927A (en) * 2007-02-15 2007-08-15 株洲联诚集团减振器有限责任公司 Seal structure of oil-pressure shock absorber
CN201177045Y (en) * 2008-02-26 2009-01-07 上海申科滑动轴承有限公司 Bearing inner cup gas seal structure
CN101440812A (en) * 2008-12-24 2009-05-27 广东美芝制冷设备有限公司 Lubrication apparatus of rotary compressor and control method thereof
CN201490807U (en) * 2009-06-05 2010-05-26 中国原子能科学研究院 Sealing device used between motor and structural component

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579349A (en) * 1984-12-27 1986-04-01 Westinghouse Electric Corp. Single ring gland seal for a dynamoelectric machine rotating shaft
CN2863225Y (en) * 2005-12-23 2007-01-31 苏州安泰空气技术有限公司 Leakage proof air filtration unit
CN101016927A (en) * 2007-02-15 2007-08-15 株洲联诚集团减振器有限责任公司 Seal structure of oil-pressure shock absorber
CN201177045Y (en) * 2008-02-26 2009-01-07 上海申科滑动轴承有限公司 Bearing inner cup gas seal structure
CN101440812A (en) * 2008-12-24 2009-05-27 广东美芝制冷设备有限公司 Lubrication apparatus of rotary compressor and control method thereof
CN201490807U (en) * 2009-06-05 2010-05-26 中国原子能科学研究院 Sealing device used between motor and structural component

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