CN105245051B - A kind of oil charging motor - Google Patents
A kind of oil charging motor Download PDFInfo
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- CN105245051B CN105245051B CN201510796413.XA CN201510796413A CN105245051B CN 105245051 B CN105245051 B CN 105245051B CN 201510796413 A CN201510796413 A CN 201510796413A CN 105245051 B CN105245051 B CN 105245051B
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- wire output
- oil pocket
- output protector
- top chock
- oil
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Abstract
The invention provides a kind of oil charging motor, belong to motor device technical field.The problem of it solves existing oil charging motor and carries out needs perforate on upper cap during air-leakage test, and cumbersome.This oil charging motor, including machine barrel, top chock and upper cap, top chock seals the end for being connected in machine barrel, upper cap sealing is connected on top chock, detection hole is offered on top chock, fixation is plugged with wire output protector in detection hole, cable-through hole is offered on wire output protector vertically, one end of wire output protector is stretched into oil pocket, and stretch into there is limiting section on one end periphery wall of oil pocket, one end that wire output protector stretches into oil pocket also has and can guide the gas extrusion wire output protector in oil pocket and the guiding structure passed through between wire output protector periphery wall and detection hole hole wall.When carrying out air-tight test, without the perforate on upper cap, and once, experiment can detect the air-tightness of air cavity and oil pocket simultaneously to this oil charging motor.
Description
Technical field
The invention belongs to motor device technical field, it is related to a kind of oil charging motor.
Background technology
Filling type motor is used mainly for driving immersible pump, is widely used in agricultural, industrial and mining enterprises, coal mine drainage and city and is supplied
Water and plateau band extract underground water etc., and the motor has anti-sand, erosion-resisting feature, larger and have weak corruption available for sand content
In the water of erosion.As shown in figure 1, existing oil charging motor is made up of machine barrel 1, top chock 2, upper cap 3 etc., oil pocket is formed in machine barrel,
Need to be filled with certain lubricating oil, and air cavity is formed in upper cap 3, electronic component, therefore air cavity and oil pocket are installed in air cavity
Need independent sealed, it is to avoid the lubricating oil in oil pocket enters air cavity and damages electronic component, and the cable in oil pocket needs to enter
In air cavity, therefore as shown in Fig. 2 offer wire hole 7 on top chock 2, wire output protector 6 is provided with wire hole 7, and go out
Line sheath 6 is locked by sealing bolt 71, and the air-tightness to oil pocket and air cavity is needed after oil charging motor is assembled
Detected, now need to carry out perforate to machine barrel 1 and upper cap 3 respectively, high pressure then is injected to air cavity and oil pocket one by one
Gas is tested, and needs to seal the hole opened up after off-test, because upper cap 3 generally uses stainless steel thin slice system
Into, it is difficult to fixing bolt, it is therefore desirable in the tapping welded nut of upper cap, then sealed by bolt and sealing gasket,
Need to operate twice to detect air cavity and oil pocket when not only testing, while perforate on upper cap and resealing and can cause work
Sequence complexity and cost increase, and during later stage use influence air cavity sealing.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of oil charging motor, the oil-filled electricity
When carrying out air-tight test, without the perforate on upper cap, and once, experiment can detect the airtight of air cavity and oil pocket simultaneously to machine
Property.
The purpose of the present invention can be realized by following technical proposal:A kind of oil charging motor, including machine barrel, top chock and
Upper cap, one end closing of the machine barrel, top chock seals the other end for being connected in machine barrel, and the upper cap sealing is connected in axle
In bearing, oil pocket is formed between the top chock and machine barrel, air cavity is formed between top chock and upper cap, it is characterised in that
Offer to fix in the detection hole of connection oil pocket and air cavity, the detection hole on the top chock and be plugged with column and with bullet
The wire output protector of property, the periphery wall of the wire output protector is mutually compressed with the hole wall of detection hole, opened up vertically on the wire output protector
There is the cable in cable-through hole, oil pocket to pass through cable-through hole, and cable and cable-through hole tight fit, oil is stretched into one end of the wire output protector
Intracavitary, and the limiting section with protrusion is stretched on one end periphery wall of oil pocket, the side of the limiting section and top chock offsets
Lean on, the wire output protector stretches into one end of oil pocket and also had and can be guided when the air pressure in oil pocket is increased to setting value in oil pocket
Gas extrusion wire output protector and the guiding structure that is passed through between wire output protector periphery wall and detection hole hole wall.
The parts such as motor shaft, rotor, stator are installed, while in oil pocket in the oil pocket formed between top chock and machine barrel
Need to be filled with a certain amount of lubricating oil for cooling down and lubricating, electronics is installed in the air cavity formed between top chock and upper cap
Cable in the parts such as component, control panel, oil pocket through wire output protector cable-through hole and with the electronic component in air cavity
It is connected, then is passed by upper cap, under normal operating condition, the gentle intracavitary of oil pocket is normal pressure, therefore flexible outlet shield
Seal, sealed between cable and cable-through hole between set and detection hole, it is to avoid the lubricating oil in oil pocket enters air cavity, it is necessary to oil pocket
When carrying out air-leakage test experiment with air cavity, by the oil-filled hole on machine barrel, certain machine barrel wall thickness can also be opened on machine barrel
Hole, so that gases at high pressure are injected to oil pocket, certainly due to having limiting section, limiting section air pressure liter in oil pocket on wire output protector
Wire output protector is avoided to depart from detection hole when high, when the air pressure in oil pocket reaches setting value, guiding structure can be guided in oil pocket
Gas so that the flexible wire output protector of gas extrusion in oil pocket, i.e. wire output protector periphery wall and detection hole hole wall it
Between there is gas in gap, therefore oil pocket and can enter in air cavity so that the air pressure in air pressure and air cavity in oil pocket reaches
Balance, i.e., once just can realize the air-leakage test of oil pocket and air cavity simultaneously, therefore avoid on upper cap to oil pocket inflation
Perforate gas injection, also simplify the program of air-leakage test experiment.
In above-mentioned oil charging motor, the limiting section is convex annular edge, and the external diameter of the limiting section is more than detection hole
Aperture, and the end face of limiting section and the side of top chock fit and compress.Limiting section has the function of positioning wire output protector, together
When with top chock side fit and compress under normal operating condition, that is, add close between wire output protector and top chock
Front cover is accumulated, and improves sealing.
In above-mentioned oil charging motor, the guiding structure crosses air drain including at least one strip, and this is crossed air drain and opened
It is located on the end face that limiting section mutually reclines with top chock, and crosses the inlet end port of air drain and is located on the periphery wall of limiting section.
When air pressure is raised in oil pocket, the gas in oil pocket can enter air drain, while going out in the outlet side radial compression for crossing air drain
Line sheath, i.e. wire output protector can radial deformation shrink, gas further wire output protector periphery wall and detection hole hole wall it
Between extrude and enter air cavity in.
In above-mentioned oil charging motor, the air drain excessively has five, and this five air drains excessively are circumferentially uniform, described to cross air drain
Outlet side extend on the periphery wall of wire output protector.The uniform air drain excessively of circumference can be such that wire output protector is uniformly extruded,
And the air drain excessively extended on wire output protector periphery wall can make gas directly extrude wire output protector.
In above-mentioned oil charging motor, the guiding structure include import the conical surface, the importing conical surface be located at limiting section with it is upper
The end face edge that bearing block mutually reclines, and import the less one end edge of the conical surface and top chock and be in contact sideways.In oil pocket
Gas can import the conical surface at extrude limiting section so that produce gap, gas between spacing end surface and top chock side
Body enters further extruding radial extruding wire output protector behind the gap.
In above-mentioned oil charging motor, the aperture edge at the detection hole two ends is respectively provided with arc angling.Detection hole direction
The arc angling of oil pocket one end can guide gas to enter between wire output protector periphery wall and detection hole hole wall so that gas more holds
Air cavity is easily entered by detection hole.
In above-mentioned oil charging motor, one end of the wire output protector is stretched into air cavity, and stretches into one end periphery of air cavity
Circumferentially there is convex edge, the external diameter on the convex edge is more than the aperture of detection hole on wall, and the end face on convex edge with it is upper
The side of bearing block, which fits, to be compressed.Convex along with limiting section coordinate wire output protector is fixed in detection hole, can with it is upper
Bearing block compresses to form sealing.
In above-mentioned oil charging motor, the external diameter of the limiting section is less than the external diameter on convex edge, the limiting section direction
One end edge of machine barrel circumferentially has chamfer.Convex is diametrically larger, and to increase sealing area as far as possible, limiting section is straight
Footpath is smaller, while there is chamfer, it is further to combine arc angling of the detection hole towards air cavity one end, will during ease of assembly
In wire output protector press-in detection hole, while when chamfer can weaken air pressure rise in the intensity of limiting section outer edge, oil pocket
Gas is easier to make to produce gap between limiting section and top chock, forms the point of penetration of gas extrusion wire output protector.
In above-mentioned oil charging motor, the wire output protector is made of elastomeric material.Elastomeric material has preferably close
Feng Xing, while having preferably elasticity and deformability.
Compared with prior art, this oil charging motor has advantages below:
1st, due under normal operating condition, the gentle intracavitary of oil pocket is normal pressure, thus flexible wire output protector with
Seal, sealed between cable and cable-through hole, it is to avoid the lubricating oil in oil pocket enters air cavity between detection hole.
2nd, because when the air pressure in oil pocket reaches setting value, guiding structure can guide the gas in oil pocket so that oil
The flexible wire output protector of the gas extrusion of intracavitary, therefore gas in oil pocket can enter in air cavity, i.e., once to oil pocket
Inflation can just realize the air-leakage test of oil pocket and air cavity simultaneously, it is to avoid on upper cap perforate gas injection, also simplify airtight
Property detection experiment program.
3rd, because detection hole towards oil pocket one end has arc angling, therefore, it is possible to guide gas to enter wire output protector periphery
Between wall and detection hole hole wall so that gas enters air cavity more easily by detection hole.
Brief description of the drawings
Fig. 1 is the structure sectional view of existing oil charging motor.
Fig. 2 is the schematic enlarged-scale view at A in Fig. 1.
Fig. 3 is the structure sectional view of this oil charging motor.
Fig. 4 is the schematic enlarged-scale view at B in Fig. 3.
Fig. 5 is the structure sectional view of wire output protector.
Fig. 6 is the lateral partial structurtes sectional view of the oil charging motor in embodiment two.
In figure, 1, machine barrel;2nd, top chock;21st, detection hole;22nd, arc angling;3rd, upper cap;4th, oil pocket;5th, air cavity;6、
Wire output protector;61st, cable-through hole;62nd, limiting section;621st, air drain is crossed;622nd, the conical surface is imported;623rd, chamfer;63rd, convex
Edge;7th, wire hole;71st, sealing bolt.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one:
As shown in Figure 3, Figure 4, a kind of oil charging motor, including machine barrel 1, top chock 2 and upper cap 3, an end seal of machine barrel 1
Close, top chock 2 seals the other end for being connected in machine barrel 1, the upper sealing of cap 3 is connected on top chock 2, top chock 2 and machine
Oil pocket 4 is formed between cylinder 1, for installing the parts such as motor shaft, rotor, stator, while needing to be filled with a certain amount of profit in oil pocket 4
Lubricating oil is used to cool down and lubricate, and air cavity 5 is formed between top chock 2 and upper cap 3, for being provided with electronic component, chain of command
Fixation in the detection hole 21 of connection oil pocket 4 and air cavity 5, detection hole 21 is offered on the parts such as plate, top chock 2 and is plugged with column
And flexible wire output protector 6, the periphery wall of the wire output protector 6 mutually compresses with the hole wall of detection hole 21, edge on wire output protector 6
Axially offer cable in cable-through hole 61, oil pocket 4 through the cable-through hole 61 of wire output protector 6 and with the electronics member device in air cavity 5
Part is connected, then is passed by upper cap 3, and cable is realized with the tight fit of cable-through hole 61 and sealed.Under normal operating condition, oil pocket 4 is gentle
It is to be sealed between normal pressure, therefore flexible wire output protector 6 and detection hole 21 in chamber 5, it is close between cable and cable-through hole 61
Envelope, it is to avoid the lubricating oil in oil pocket 4 enters air cavity 5.One end of wire output protector 6 is stretched into oil pocket 4, and stretches into one end of oil pocket 4
There is the limiting section 62 of protrusion, the side of limiting section 62 and top chock 2 leans, and wire output protector 6 stretches into oil pocket 4 on periphery wall
One end also have gas extrusion wire output protector 6 in oil pocket 4 can be guided when the air pressure in oil pocket 4 is increased to setting value simultaneously
The guiding structure passed through between the periphery wall of wire output protector 6 and the hole wall of detection hole 21.Need to carry out oil pocket 4 and air cavity 5 airtight
Property detection experiment when, by the oil-filled hole on machine barrel 1, certain wall thickness of machine barrel 1, can also the perforate on machine barrel 1 so as to oil pocket
4 injection gases at high pressure, certainly due to having limiting section 62 on wire output protector 6, the limiting section 62 is kept away when air pressure is raised in oil pocket 4
Exempt from wire output protector 6 and depart from detection hole 21, when the air pressure in oil pocket 4 reaches setting value, guiding structure can be guided in oil pocket 4
Gas so that the flexible wire output protector 6 of gas extrusion in oil pocket 4, the i.e. periphery wall of wire output protector 6 and the hole wall of detection hole 21
Between there is gas in gap, therefore oil pocket 4 and can enter in air cavity 5 so that the air pressure in oil pocket 4 and the gas in air cavity 5
Pressure reaches balance, i.e., once oil pocket 4 is inflated just can be while realize the air-leakage test of oil pocket 4 and air cavity 5, therefore avoid
The perforate gas injection on upper cap 3, also simplify the program of air-leakage test experiment.
Specifically, with reference to shown in Fig. 5, limiting section 62 is convex annular edge, and the external diameter of limiting section 62 is more than detection hole 21
Aperture, and the end face of limiting section 62 and the side of top chock 2 fit and compress, limiting section 62 has positioning wire output protector 6
Function, compresses while being fitted under normal operating condition with the side of top chock 2, that is, adds wire output protector 6 and upper bearing (metal)
Sealing area between seat 2, improves sealing.Guiding structure crosses air drain 621 including strip, and this is crossed air drain 621 and is opened in
On the end face that limiting section 62 mutually reclines with top chock 2, and cross the periphery wall that the inlet end port of air drain 621 is located at limiting section 62
On, when air pressure is raised in oil pocket 4, the gas in oil pocket 4 can enter air drain 621, while crossing the outlet side of air drain 621
Radial compression wire output protector 6, i.e. wire output protector 6 can radial deformation shrink, gas further the periphery wall of wire output protector 6 with
Extrude and enter in air cavity 5 between the hole wall of detection hole 21.Crossing air drain 621 has five, and this five are crossed air drain 621 circumferentially uniformly,
It is circumferential it is uniform cross air drain 621 wire output protector 6 can be made uniformly to be extruded, the outlet side for crossing air drain 621 extends to outlet and protected
On the periphery wall of set 6, gas can be made directly to extrude wire output protector 6.Detection hole 21 circumferentially has towards one end aperture of oil pocket 4
Arc angling 22, can guide gas to enter between the periphery wall of wire output protector 6 and the hole wall of detection hole 21 so that gas is easier to lead to
Cross detection hole 21 and enter air cavity 5.
One end of wire output protector 6 is stretched into air cavity 5, and stretches into and circumferentially have convex edge on one end periphery wall of air cavity 5
63, convex is more than the aperture of detection hole 21 along 63 external diameter, and side of the convex along 63 end face and top chock 2 is affixed
Conjunction is compressed, and convex coordinates along 63 with limiting section 62 is fixed on wire output protector 6 in detection hole 21, can be supported with top chock 2
Swaging is into sealing.The external diameter of limiting section 62 is less than convex along 63 external diameter, and one end edge of limiting section 62 towards machine barrel 1 is circumferential
With chamfer 623, convex is relatively large in diameter along 63, to increase sealing area as far as possible, and the diameter of limiting section 62 is smaller, simultaneously
With chamfer 623, further, detection hole 21 has arc angling 22, ease of assembly towards one end aperture edge of air cavity 5
When wire output protector 6 is pressed into detection hole 21, while chamfer 623 can weaken the intensity of the outer edge of limiting section 62, oil pocket 4
Gas is easier to make to produce gap between limiting section 62 and top chock 2 during interior air pressure rise, forms gas extrusion wire output protector 6
Point of penetration.Wire output protector 6 is made of elastomeric material, with preferable sealing, while having preferably elasticity and deformation
Ability.
Embodiment two:
The structure of the oil charging motor and embodiment one are essentially identical, and difference is as shown in fig. 6, guiding structure includes leading
Enter the conical surface 622, the importing conical surface 622 is located at the end face edge that limiting section 62 mutually reclines with top chock 2, and imports the conical surface
622 less one end edges are in contact with the side of top chock 2, and the gas in oil pocket 4 can extrude limit importing at the conical surface 622
Position portion 62 so that gap is produced between the end face of limiting section 62 and the side of top chock 2, gas is pressed further by after entering the gap
Radial compression wire output protector 6.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used the terms such as machine barrel 1, top chock 2, detection hole 21 herein, it is not precluded from using other
The possibility of term.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms;They are explained
All disagreed into the additional limitation of any one with spirit of the present invention.
Claims (9)
1. a kind of oil charging motor, including machine barrel (1), top chock (2) and upper cap (3), one end closing of the machine barrel (1), on
Bearing block (2), which is sealed, is connected in the other end of machine barrel (1), and upper cap (3) sealing is connected on top chock (2), it is described on
Oil pocket (4) is formed between bearing block (2) and machine barrel (1), air cavity (5), its feature are formed between top chock (2) and upper cap (3)
It is, is offered on the top chock (2) in the detection hole (21) of connection oil pocket (4) and air cavity (5), the detection hole (21)
Fixation is plugged with column and flexible wire output protector (6), the periphery wall of the wire output protector (6) and the hole wall of detection hole (21)
Mutually compress, the cable offered vertically on the wire output protector (6) in cable-through hole (61), oil pocket (4) passes through cable-through hole (61),
And cable and cable-through hole (61) tight fit, one end of the wire output protector (6) is stretched into oil pocket (4), and stretches into the one of oil pocket (4)
Hold the limiting section (62) on periphery wall with protrusion, the limiting section (62) and the side of top chock (2) lean, it is described go out
Line sheath (6) stretches into one end of oil pocket (4) and also had can guide oil pocket when the air pressure in oil pocket (4) is increased to setting value
(4) gas extrusion wire output protector (6) in and the importing passed through between wire output protector (6) periphery wall and detection hole (21) hole wall
Structure.
2. oil charging motor according to claim 1, it is characterised in that the limiting section (62) is convex annular edge, the limit
The external diameter in position portion (62) is more than the aperture of detection hole (21), and the side of the end face and top chock (2) of limiting section (62) is affixed
Conjunction is compressed.
3. oil charging motor according to claim 2, it is characterised in that the guiding structure includes at least one strip
Air drain (621) is crossed, this is crossed air drain (621) and is opened on the end face that limiting section (62) mutually reclines with top chock (2), and cross air drain
(621) inlet end port is located on the periphery wall of limiting section (62).
4. oil charging motor according to claim 3, it is characterised in that the air drain (621) of crossing has five, and five mistakes
Air drain (621) is circumferential uniform, and the outlet side for crossing air drain (621) is extended on the periphery wall of wire output protector (6).
5. oil charging motor according to claim 2, it is characterised in that the guiding structure includes importing the conical surface (622), should
Import the conical surface (622) and be located at the end face edge that is mutually reclined with top chock (2) of limiting section (62), and the importing conical surface (622) compared with
Small one end edge is in contact sideways with top chock (2).
6. the oil charging motor according to claim 3 or 4 or 5, it is characterised in that the aperture side at detection hole (21) two ends
Edge is respectively provided with arc angling (22).
7. the oil charging motor according to claim 3 or 4 or 5, it is characterised in that one end of the wire output protector (6) is stretched into
In air cavity (5), and stretch into and circumferentially there is convex along (63) on one end periphery wall of air cavity (5), the convex is along (63)
External diameter is more than the aperture of detection hole (21), and the end face on convex edge (63) and the side of top chock (2) fit and compressed.
8. oil charging motor according to claim 7, it is characterised in that the external diameter of the limiting section (62) is less than convex edge
(63) external diameter, the limiting section (62) circumferentially has chamfer (623) towards one end edge of machine barrel (1).
9. the oil charging motor according to claim 3 or 4 or 5, it is characterised in that the wire output protector (6) uses rubber material
Material is made.
Priority Applications (1)
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CN201510796413.XA CN105245051B (en) | 2015-11-18 | 2015-11-18 | A kind of oil charging motor |
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CN201510796413.XA CN105245051B (en) | 2015-11-18 | 2015-11-18 | A kind of oil charging motor |
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CN105245051A CN105245051A (en) | 2016-01-13 |
CN105245051B true CN105245051B (en) | 2017-09-22 |
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CN201510796413.XA Active CN105245051B (en) | 2015-11-18 | 2015-11-18 | A kind of oil charging motor |
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CN113131653B (en) * | 2021-04-17 | 2022-08-26 | 台州立克科技有限公司 | Mechanical automatic refrigeration and heat dissipation motor |
Citations (3)
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CN202931081U (en) * | 2012-10-15 | 2013-05-08 | 浙江东音泵业股份有限公司 | Diving generator inner chamber pressure balancing device for well |
CN204141073U (en) * | 2014-07-09 | 2015-02-04 | 苏州优德通力电气有限公司 | A kind of submerged pump cable sealing structure |
CN205141885U (en) * | 2015-11-18 | 2016-04-06 | 浙江东音泵业股份有限公司 | Oil charge motor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3423456B2 (en) * | 1994-12-03 | 2003-07-07 | 株式会社鶴見製作所 | Motor casing for submersible pump |
JP2000217296A (en) * | 1999-01-25 | 2000-08-04 | Mitsubishi Electric Corp | Sealing-liquid type underwater electric machine |
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2015
- 2015-11-18 CN CN201510796413.XA patent/CN105245051B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202931081U (en) * | 2012-10-15 | 2013-05-08 | 浙江东音泵业股份有限公司 | Diving generator inner chamber pressure balancing device for well |
CN204141073U (en) * | 2014-07-09 | 2015-02-04 | 苏州优德通力电气有限公司 | A kind of submerged pump cable sealing structure |
CN205141885U (en) * | 2015-11-18 | 2016-04-06 | 浙江东音泵业股份有限公司 | Oil charge motor |
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Effective date of registration: 20200201 Address after: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee after: Zhejiang Dongyin Technology Co., Ltd. Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee before: Zhejiang Dongyin Pump Co., Ltd. |