CN102097883B - Motor end cover sealing device capable of preventing dust and sand from entering interior of motor - Google Patents
Motor end cover sealing device capable of preventing dust and sand from entering interior of motor Download PDFInfo
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- CN102097883B CN102097883B CN2010106142544A CN201010614254A CN102097883B CN 102097883 B CN102097883 B CN 102097883B CN 2010106142544 A CN2010106142544 A CN 2010106142544A CN 201010614254 A CN201010614254 A CN 201010614254A CN 102097883 B CN102097883 B CN 102097883B
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- motor
- rubber oil
- sand
- motor end
- oil sea
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Abstract
The invention relates to a motor end cover sealing device capable of preventing dust and sand from entering the interior of a motor. A plane and a positioning circle step are machined at the inner side of a motor end cover at the motor shaft extension end of the motor; a rubber oil seal seat is arranged on the positioning circle step; the rubber oil seal seat comprising a seat body and a cover plate is fixed on the motor end cover through bolts; a rubber oil seal is arranged in the rubber oil seal seat; a lip of the rubber oil seal faces to the motor end cover; the inner ring of the rubber oil seal closely clings to a motor shaft; and a tension spring ring is arranged in the groove lip of the rubber oil seal. The motor end cover sealing device can prevent dust and sand from entering the interior of the motor through a shaft hole gap of the motor end cover to damage a bearing part and burn out the motor and can also prolong the service life of the motor. The motor provided with the motor end cover sealing device is particularly suitable for occasions with more sand dust and dust.
Description
Technical field
The present invention is a kind of electric motor end cap sealing device, and particularly a kind of sand-lime that can prevent gets into the electric motor end cap sealing device in the motor.
Background technology
The molding sand that Foundry Production medium clay soil sand molding uses will mix with puddle mixer; Normal have S1823B type inclination disc type automatic pug mixer and the Y315M1-4 three-phase that uses led step motor etc., and their motor shaft mixes through pulley concial disk drive puddle mixer blade after stretching out electric motor end cap usually.But because puddle mixer in processes such as reinforced, stirring, discharging, all has sand-lime through also directly entering into bearing portion in the electric motor end cap axis hole slit entering motor.Also all having sand-lime in a lot of dust and sand, the more use occasion of dust gets in the motor through electric motor end cap axis hole slit and directly enters into bearing portion.Motor bearings generally all is to use high-speed lubrication grease lubrication, and sand-lime sticks to ball retainer is is at first worn and torn, and ball is jumped the position, and raceway will be stuck, causes the motor shaft stall.Immediate current is excessive will to burn out motor.Though the axis hole outer end of electric motor end cap begins also to be equipped with felt, do not have automatic compensation function after the felt wearing and tearing, thereby do not have dustproof effect.
Summary of the invention
The purpose of this invention is to provide a kind of sand-lime that can prevent and get into the electric motor end cap sealing device in the motor.This electric motor end cap sealing device can prevent that sand-lime from getting into motor internal and damage bearing portion and burn out motor from electric motor end cap axis hole slit, can improve the useful life of motor greatly.Motor with this electric motor end cap sealing device is particularly suitable for dust and sand, the more occasion of dust is used.
Technical scheme of the present invention is: a kind of sand-lime that can prevent gets into the electric motor end cap sealing device in the motor.Inboard at the electric motor end cap of the motor shaft external part of motor processes a plane and a setting circle step.The rubber oil sea seat is installed on the setting circle step.The rubber oil sea seat of being made up of pedestal and cover plate passes through screw on electric motor end cap.A rubber oil sea is installed in the rubber oil sea seat.The lip of rubber oil sea is towards electric motor end cap.The inner ring of rubber oil sea is close on the motor shaft.In the groove lip of rubber oil sea, the tension spring circle is housed.
With the roughness of the motor shaft of rubber oil sea contact position should >=Ra1.6, case hardness should >=HRC40 or with the motor shaft surface of rubber oil sea contact position on chromium plating.This structure can prolong the useful life of rubber oil sea
Described rubber oil sea is selected the rubber oil sea of being made by acrylonitrile-butadiene rubber for use.
Advantage of the present invention has provided a kind of sand-lime that can prevent and has got into the electric motor end cap sealing device in the motor.This electric motor end cap sealing device can prevent that sand-lime from getting into motor internal and damage bearing portion and burn out motor from electric motor end cap axis hole slit, can improve the useful life of motor greatly.Motor with this electric motor end cap sealing device is particularly suitable for dust and sand, the more occasion of dust is used.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, motor, 2, electric motor end cap, 3, the rubber oil sea seat, 4, screw, 5, rubber oil sea, 6, the setting circle step, 7, the tension spring circle, 8, motor shaft, 9, the groove lip, 10, pedestal, 11, cover plate.
Embodiment
Following like the described embodiment of Fig. 1: a kind of sand-lime that can prevent gets into the electric motor end cap sealing device in the motor.Inboard at the electric motor end cap 2 of motor shaft 8 external parts of motor 1 processes a plane and a setting circle step 6.Rubber oil sea seat 3 is installed on the setting circle step 6.The rubber oil sea seat of being made up of pedestal 10 and cover plate 11 3 is fixed on the electric motor end cap 2 through screw 4.A rubber oil sea 5 is installed in rubber oil sea seat 3.The lip of rubber oil sea 5 is towards electric motor end cap 2.The inner ring of rubber oil sea 5 is close on the motor shaft 8.In the groove lip 9 of rubber oil sea 5, tension spring circle 7 is housed.
With the roughness of the motor shaft 8 of rubber oil sea 5 contact positions should >=Ra1.6, case hardness should >=HRC40 or with motor shaft 8 surfaces of rubber oil sea 5 contact positions on chromium plating.This structure can prolong the useful life of rubber oil sea.
Described rubber oil sea 5 is selected the rubber oil sea of being made by acrylonitrile-butadiene rubber for use.
Claims (4)
1. one kind can prevent that sand-lime from getting into the electric motor end cap sealing device in the motor; It is characterized in that: the inboard at the electric motor end cap of the motor shaft external part of motor processes a plane and a setting circle step; The rubber oil sea seat is installed on the setting circle step; The rubber oil sea seat of being made up of pedestal and cover plate passes through screw on electric motor end cap, and a rubber oil sea is installed in the rubber oil sea seat, and the lip of rubber oil sea is towards electric motor end cap; The inner ring of rubber oil sea is close on the motor shaft, in the groove lip of rubber oil sea, the tension spring circle is housed.
2. a kind of sand-lime that can prevent according to claim 1 gets into the electric motor end cap sealing device in the motor, it is characterized in that: with the roughness of the motor shaft of rubber oil sea contact position should >=Ra1.6, case hardness should >=HRC40.
3. a kind of sand-lime that can prevent according to claim 1 gets into the electric motor end cap sealing device in the motor, it is characterized in that: with chromium plating on the motor shaft surface of rubber oil sea contact position.
4. a kind of sand-lime that can prevent according to claim 1 gets into the electric motor end cap sealing device in the motor, and it is characterized in that: described rubber oil sea is selected the rubber oil sea of being made by acrylonitrile-butadiene rubber for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106142544A CN102097883B (en) | 2010-12-24 | 2010-12-24 | Motor end cover sealing device capable of preventing dust and sand from entering interior of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106142544A CN102097883B (en) | 2010-12-24 | 2010-12-24 | Motor end cover sealing device capable of preventing dust and sand from entering interior of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102097883A CN102097883A (en) | 2011-06-15 |
| CN102097883B true CN102097883B (en) | 2012-11-07 |
Family
ID=44130794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106142544A Active CN102097883B (en) | 2010-12-24 | 2010-12-24 | Motor end cover sealing device capable of preventing dust and sand from entering interior of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102097883B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112012006971T5 (en) * | 2012-10-30 | 2015-07-09 | Mitsubishi Electric Corporation | Electric engine |
| CN105099055A (en) * | 2014-05-12 | 2015-11-25 | 上海燎慧机电科技有限公司 | Shock-resistant impact-resistant motor and gas nail shooter comprising the shock-resistant impact-resistant motor |
| CN106160326B (en) * | 2016-07-19 | 2019-01-04 | 东阳市东政电机有限公司 | A kind of cleaning machine decelerating motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2155640Y (en) * | 1993-06-17 | 1994-02-09 | 河北微特电机厂 | Low-temp operating damp-proof machine |
| CN201319535Y (en) * | 2008-12-15 | 2009-09-30 | 宁夏三一西北骏马电机制造股份有限公司 | Front bearing positioning structure of motor |
| CN201985665U (en) * | 2010-12-24 | 2011-09-21 | 溧阳市科华机械制造有限公司 | Motor end cover sealing device capable of preventing dust from going into motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003052145A (en) * | 2001-08-06 | 2003-02-21 | Tamagawa Seiki Co Ltd | Oil-sealing structure for motor |
-
2010
- 2010-12-24 CN CN2010106142544A patent/CN102097883B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2155640Y (en) * | 1993-06-17 | 1994-02-09 | 河北微特电机厂 | Low-temp operating damp-proof machine |
| CN201319535Y (en) * | 2008-12-15 | 2009-09-30 | 宁夏三一西北骏马电机制造股份有限公司 | Front bearing positioning structure of motor |
| CN201985665U (en) * | 2010-12-24 | 2011-09-21 | 溧阳市科华机械制造有限公司 | Motor end cover sealing device capable of preventing dust from going into motor |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-52145A 2003.02.21 |
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| Publication number | Publication date |
|---|---|
| CN102097883A (en) | 2011-06-15 |
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| C56 | Change in the name or address of the patentee |
Owner name: KEHUA HOLDINGS CO., LTD. Free format text: FORMER NAME: LIYANG KEHUA MACHINE MANUFACTURE CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 213354 Jiangsu city of Changzhou province Liyang Zhuze Zhen Yu Qiao Town Patentee after: KEHUA HOLDING CO., LTD. Address before: 213354 Jiangsu city of Liyang province Zhu Ze Zhen Yu Qiao Ji Zhen Patentee before: Liyang Kehua Machine Manufacture Co., Ltd. |