WO2015176634A1 - 高耐候高密封不锈钢电机 - Google Patents

高耐候高密封不锈钢电机 Download PDF

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Publication number
WO2015176634A1
WO2015176634A1 PCT/CN2015/079231 CN2015079231W WO2015176634A1 WO 2015176634 A1 WO2015176634 A1 WO 2015176634A1 CN 2015079231 W CN2015079231 W CN 2015079231W WO 2015176634 A1 WO2015176634 A1 WO 2015176634A1
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WO
WIPO (PCT)
Prior art keywords
stainless steel
sealing
end cover
cylindrical casing
disposed
Prior art date
Application number
PCT/CN2015/079231
Other languages
English (en)
French (fr)
Inventor
吴国尧
陈东
周丰平
Original Assignee
斯培兔
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201420253966.1U external-priority patent/CN203859601U/zh
Priority claimed from CN201410209825.4A external-priority patent/CN103997151B/zh
Application filed by 斯培兔 filed Critical 斯培兔
Priority to US15/311,916 priority Critical patent/US10361602B2/en
Publication of WO2015176634A1 publication Critical patent/WO2015176634A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/02—Casings or enclosures characterised by the material thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the invention belongs to the technical field of electric motors and relates to a high weathering and high sealing stainless steel motor.
  • the motor needs to have a high sealing performance when used in an open air or high humidity environment.
  • the motor has good sealing performance, it not only has a long service life, but also has good motor running stability. Due to the constraints of the use environment, the existing high weathering motors are not only poorly sealed, but also have a short service life. For this reason, people have proposed various solutions after years of research.
  • the Chinese patent document discloses a motor sealing structure [application number: 201220306112.6], which includes a front end cover, a rear end cover and a protective cover, the front end A sealing ring is provided at the joint of the cover and the rear end cover, and the front end cover and the rear end cover are fixed by bolts.
  • a single-phase motor with a centrifugal switch generally uses a centrifugal hammer of 45 gauge steel and a spring that determines the opening and closing of the centrifugal hammer.
  • a centrifugal hammer of 45 gauge steel In chemical pumps, high-pressure pumps for washing machines, equipment that is susceptible to seawater corrosion (such as motorboats, yachts, etc.), the life of the spring determines the life of the motor. If the spring corrosion breaks, the motor will Burned due to the inability to start the current continues to be too large. There has been no publicly reported use of stainless steel centrifugal switches.
  • a sealing ring is arranged between the front end cover and the rear end cover of the motor, and a semi-sealing ring groove for placing the sealing ring is respectively arranged on the connecting surface of the front end cover and the rear end cover, thereby improving the sealing property of the motor.
  • this solution still has at least the following defects: the sealing performance of the whole machine is poor, especially the sealing at the motor lead port is poor.
  • some of the motors are set in the open air or high humidity, and the motor usually appears during use. When the influent or condensed water is formed in the motor, if the accumulated water in the motor cannot be discharged in time, it may cause the motor to malfunction or burn out the motor.
  • An object of the present invention is to provide a high weathering and high sealing stainless steel motor which is good in sealing property and easy to drain, in view of the above problems.
  • a high weathering and high sealing stainless steel motor includes a motor casing, a stator and a rotor shaft passing through the stator are arranged in the motor casing, and a rotor is fixed on the rotor shaft.
  • the rotor shaft is axially positioned and circumferentially rotatably connected to the motor casing
  • the motor casing comprises a cylindrical casing made of stainless steel material, and a front end cover made of aluminum material is provided at one end of the cylindrical casing, and One end is provided with a rear end cover made of aluminum material
  • the stator is disposed on the inner wall of the cylindrical casing, and the two ends of the rotor shaft are respectively disposed on the front end cover and the rear end cover, and the front end cover is provided with a rotating shaft hole in the rotating shaft hole
  • There is a rotating shaft sealing sleeve sleeved on the rotor shaft a first drainage structure is arranged on the front end cover, a second drainage structure is arranged on the rear end cover, and a first threading hole and a first threading hole are arranged on the cylindrical housing.
  • the sealing property at the lead opening of the motor casing can be improved, and secondly, the cylindrical casing and the front end cover are screwed and the sealing thread is coated with a sealant.
  • the cylindrical casing and the rear end cover are screwed and coated with a sealant on the connecting thread, and the rotary shaft sealing sleeve can ensure the sealing property when the rotor shaft rotates or rotates, which not only prolongs the service life of the motor, but also has a simple structure and is easy to be
  • the assembly and manufacture, the first drainage structure and the second drainage structure are arranged to: when the installation angle of the motor changes, it can also discharge the water inside the motor, thereby ensuring the utility and service life of the motor.
  • the first sealing structure includes a junction box gasket disposed between the cylindrical casing and the junction box, and has a side of the junction box gasket adjacent to the cylindrical casing a first arc that coincides with the outer wall of the cylindrical casing
  • the sealing surface is sealed between the junction box gasket and the junction box by a horizontal sealing structure.
  • the horizontal sealing structure includes a first horizontal sealing surface disposed on the junction box gasket, and a second horizontal sealing surface conformable to the first horizontal sealing surface is disposed at the bottom of the junction box.
  • the second sealing structure includes a capacitor box gasket disposed between the cylindrical casing and the capacitor box, and has a side of the capacitor box gasket near the cylindrical casing.
  • the second arc-shaped sealing surface matching the outer wall of the cylindrical casing is sealed and connected between the capacitor box and the capacitor box gasket by a curved sealing structure.
  • the arcuate sealing structure includes an outer arcuate sealing surface disposed on the capacitor box gasket, and has an arcuate cover surface conforming to the outer arcuate sealing surface at the open end of the capacitor box.
  • the first drainage structure includes a plurality of first flat drainage holes disposed on the front cover side rings, and a plurality of first vertical drainage holes are disposed at the bottom of the front end cover.
  • the second drainage structure comprises a plurality of second flat drainage holes disposed on the side rings of the rear end cover, and a plurality of second vertical drainage holes are provided at the bottom of the rear end cover, the first horizontal drainage holes a first vertical drain hole, a second horizontal drain hole and a second vertical drain hole respectively fixed with a drain hole plug.
  • the drain hole plug is provided with a connecting thread and is sealed on the connecting thread. gum.
  • first flat drain hole, the first vertical drain hole, the second flat drain hole and the second vertical drain hole enable the motor to meet various angle installation requirements, further improving the utility of the motor, and also capable of Timely drain the water inside the motor.
  • the cylindrical casing is made of a circumferentially closed stainless steel tubular profile, and the front end cover and the rear end cover are fixed to the cylindrical casing by a plurality of connecting rods.
  • the inner wall of the cylindrical casing is provided with a plurality of grooves disposed along the axial direction thereof for the connecting rods to pass through, and the grooves are respectively formed by strip grooves provided on the inner wall of the stainless steel tubular profile. .
  • the cylindrical casing is made of a circumferentially closed stainless steel tubular profile.
  • the first and circumferentially closed stainless steel tubular profiles are of one-piece construction and can be cut off.
  • the cost-applied cylindrical casing is produced, which not only ensures the structural strength but also improves the production efficiency, and the application is obviously easier to process and manufacture;
  • the second, circumferentially closed stainless steel tubular profile is generally rolled or
  • the tubular profile produced by the process of extrusion, etc., manufacturing, rolling or extrusion is stable in quality, and the application significantly improves the quality of the product of the cylindrical casing; thirdly, the production cost is reduced.
  • the present application The utilization rate of raw materials is very high. Secondly, the energy consumption in the manufacturing process is relatively low.
  • the cylindrical casing of the present application can be obtained by using the stainless steel tubular profile, and the process is less, which reduces the production cost;
  • the tank body is respectively formed by a strip groove formed on the inner wall of the stainless steel tubular profile, which is manufactured together with the stainless steel tubular profile rolling or extrusion, so as to ensure the product quality of the cylindrical casing of the present application. It can avoid machining errors caused by secondary processing and ensure product consistency.
  • the junction box gasket and the capacitor box gasket are made of silica gel.
  • each connecting rod is threadedly connected to the front end cover, and the other end has an end cap disposed on the outer wall of the bottom end of the rear end cover, and each of the connecting rods is provided with a heat shrinkable tube and A sealing gasket is provided between the end cap and the outer wall of the bottom of the rear end cap.
  • the second threading hole is provided with a wire plug
  • the capacitor box gasket is provided with a corresponding second threading hole for inserting the wire plug.
  • a wire hole a conical sealing structure is arranged between the capacitor box gasket and the outlet plug, and a capacitor fixing fork seat is arranged on the capacitor box gasket, the capacitor is fixed on the capacitor fixing fork seat; the capacitor fixing fork seat is d Made of fine rubber.
  • the tapered sealing structure includes an outer annular tapered surface disposed on the outlet plug, and an inner annular tapered surface conforming to the outer annular tapered surface is disposed in the second threading hole.
  • a circumferential positioning structure for preventing circumferential rotation between the capacitor box gasket and the capacitor box is disposed between the capacitor box gasket and the capacitor box;
  • the circumferential positioning structure includes a plurality of circumferential side portions disposed on the capacitor box gasket a notch, a plurality of screws disposed on the capacitor box pass through the notch and are connected to the cylindrical casing
  • the rear end cover is provided with a centrifugal switch plate and a centrifugal switch disposed on the centrifugal switch plate, and the end of the rotor shaft near the rear end cover is provided to enable the The centrifuge is closed by a centrifugal switch and when the centrifuge is subjected to centrifugal force, the centrifuge opens the centrifugal switch, and a centering hole is provided in the central portion of the centrifugal switch plate for the rotor shaft to pass through.
  • Centrifuges are prior art and will not be further described herein.
  • the centrifugal switch plate of the present application is made of a stainless steel material, and has a long service life and is less prone to rust.
  • the centrifugal switch plate is made of stainless steel plate, and the centrifugal switch plate is fixed to the rear end cover by a plurality of connecting columns.
  • the connecting post can be made of engineering plastic or metal material.
  • the rear end cover is provided with a plurality of inwardly recessed mounting bosses, and the connecting rods are in one-to-one correspondence with the mounting bosses and pass through the mounting bosses;
  • the junction box consists of a stainless steel junction box base and a stainless steel terminal block that snaps onto the stainless steel junction box base.
  • the hole and the outlet plug disposed on the outlet hole.
  • the structure of the structure is to improve the assembly efficiency of the motor and improve the sealing and practicability of the junction box.
  • the outlet plug is made of nitrile rubber.
  • the two ends of the rotor are respectively fixed with annular rings, and at each end of the annular ring away from the rotor, a plurality of sheet-like bodies distributed in the circumferential direction are respectively arranged, the annular ring It is integrated with the sheet.
  • the annular ring and the rotor are fixedly connected circumferentially by a plurality of fixing pins.
  • the sealing property is good, and the sealing property at the lead opening of the motor casing can be improved by providing the first sealing structure and the second sealing structure, and secondly, the cylindrical casing and The front end cap is threaded and coated with a sealant on the connecting thread, the cylindrical shell and the rear end cap are threaded and the sealing thread is coated with a sealant, and the shaft seal sleeve can ensure the seal of the rotor shaft when the rotation or rotation stops. Sex, not only extends the life of the motor, but also has a simple structure and is easy to assemble and manufacture.
  • the function of the first drainage structure and the second drainage structure is as follows: when the installation angle of the motor changes, it can also discharge the water inside the motor, thereby ensuring the practicability and service life of the motor; 2. Low manufacturing cost and easy 3.
  • the cylindrical casing is cut from the circumferentially closed stainless steel tubular profile to improve the production efficiency, and at the same time ensure the structural strength of the whole machine and is not easy to rust.
  • FIG. 1 is a schematic view of an exploded structure provided by the present invention.
  • FIG. 2 is a schematic view showing the structure of a drain hole plug provided by the present invention.
  • FIG. 3 is a schematic view showing the explosion structure of the drain hole plug provided by the present invention.
  • FIG. 4 is a schematic view showing the state of a centrifugal switch when the motor is not activated according to the present invention.
  • FIG. 5 is a schematic structural view showing the state of the centrifugal switch after the motor is started and reaches a certain speed.
  • Figure 6 is a schematic cross-sectional view of the structure provided by the present invention.
  • Fig. 7 is a schematic view showing the structure of a connecting rod provided by the present invention.
  • motor casing 1 drain hole plug 1a, annular groove 1b, O-ring 1c, cylindrical casing 11, first threading hole 11a, second threading hole 11b, tank body 11c, outlet plug 11d, front end Cover 12, shaft hole 12a, shaft seal sleeve 12b, first flat drain hole 12c, first vertical drain hole 12d, rear end cover 13, second flat drain hole 13a, second vertical drain hole 13b, installation Boss 13c, connecting rod 14, end cap 14a, heat shrinkable tube 15, sealing gasket 16, stator 21, rotor shaft 22, rotor 23, junction box 3, stainless steel junction box seat 31, stainless steel wiring cover 32, junction box sealing ring 33.
  • Outlet plug 34 capacitor box 4, capacitor 4a, screw 41, junction box gasket 5, first curved sealing surface 51, first horizontal sealing surface 52, capacitor box gasket 6, and second arc sealing surface 61
  • a high weathering and high sealing stainless steel motor includes a motor casing 1 , and a stator 21 and a rotor shaft 22 penetrating the stator 21 are disposed in the motor casing 1 , and a rotor 23 is fixed on the rotor shaft 22 .
  • the rotor shaft 22 is axially positioned and circumferentially rotatably connected to the motor housing 1;
  • the motor casing 1 of the present embodiment includes a cylindrical casing 11 made of a stainless steel material, and the stainless steel material is made to solve the conventional materials including casting and the like.
  • the motor casing is cumbersome and prone to rust.
  • the end of the cylindrical casing 11 is provided with a front end cover 12 made of aluminum material, and the other end is provided with a rear end cover 13 made of aluminum material, and the aluminum material is aluminum.
  • the alloy which is not only light in weight but also low in manufacturing cost, can be manufactured by die casting or casting, and the cylindrical casing 11 is formed by cutting a circumferentially closed stainless steel tubular profile, and the circumferentially closed stainless steel tubular profile is taken.
  • the front end cover 12 and the rear end cover 13 are fixed to the cylindrical casing 11 through a plurality of connecting rods 14.
  • the two ends of the cylindrical casing 11 are provided with a plurality of grooves 11c disposed along the axial direction thereof for the connecting rods 14 to pass through, and the grooves 11c are respectively provided by strips provided on the inner wall of the stainless steel tubular profile.
  • the trough is taken out; on the side of the stator 21
  • a plurality of retaining grooves are provided in one-to-one correspondence with the groove body 11c.
  • each connecting rod 14 is screwed to the front end cover 12, and the other end has an end cap 14a disposed on the outer wall of the bottom end of the rear end cover 13, and a heat shrinkable tube 15 and a setting are disposed on each connecting rod 14 a sealing gasket 16 between the end cap 14a and the bottom outer wall of the rear end cover 13; secondly, a plurality of inwardly recessed mounting bosses 13c are provided on the rear end cover 13, the connecting rod 14 and the mounting boss 13c One corresponds to and passes through the mounting boss 13c.
  • the stator 21 of the present embodiment is disposed on the inner wall of the cylindrical casing 11, and the two ends of the rotor shaft 22 are respectively disposed on the front end cover 12 and the rear end cover 13, and the rotor shaft 22 and the front end are respectively Between the cover 12 and between the rotor shaft 22 and the rear end cover 13 are respectively connected by roller bearings.
  • annular rings 23a are respectively fixed at both ends of the rotor 23, and are spaced apart from each annular ring.
  • One end of the rotor is respectively provided with a plurality of sheet-like bodies 23b distributed in the circumferential direction, and the annular ring 23a and the rotor 23 are fixedly connected circumferentially by a plurality of fixing pins 23c, and the annular ring is integrally connected with the sheet-like body.
  • a rotating shaft hole 12a is disposed on the front end cover 12, and a rotating shaft sealing sleeve 12b sleeved on the rotor shaft 22 is disposed in the rotating shaft hole 12a.
  • the front end cover 12 is provided with a first drainage structure
  • the rear end cover 13 is provided with a first drainage structure.
  • the second drainage structure is provided with a first threading hole 11a and a second threading hole 11b on the cylindrical casing 11, and the outer casing of the cylindrical casing 11 is provided with a junction box 3 located outside the first threading hole 11a and at the second Capacitor box 4 with capacitor 4a outside the threading hole 11b, optimization scheme, this embodiment
  • the junction box 3 includes a stainless steel junction box base 31 and a stainless steel wiring cover 32 fastened to the stainless steel junction box base 31.
  • a junction box sealing ring 33 is provided between the stainless steel junction box base 31 and the stainless steel wiring cover 32.
  • the cassette holder 31 is provided with an outlet hole and an outlet plug 34 disposed on the outlet opening.
  • a first sealing structure is provided between the cylindrical housing 11 and the junction box 3, and the cylindrical housing 11 and the capacitor case 4 are provided.
  • a second sealing structure is provided between;
  • the first sealing structure of the present embodiment includes a junction box gasket 5 disposed between the cylindrical casing 11 and the junction box 3, and has a barrel on the side of the junction box gasket 5 near the cylindrical casing 11.
  • the first curved sealing surface 51 of the outer wall of the casing 11 is matched, and the junction box gasket 5 and the junction box 3 are sealed and connected by a horizontal sealing structure;
  • the horizontal sealing structure of the horizontal sealing structure includes a setting a first horizontal sealing surface 52 on the junction box gasket, and a second horizontal sealing surface at the bottom of the junction box that is compatible with the first horizontal sealing surface;
  • the second sealing structure includes a capacitor box gasket 6 disposed between the cylindrical casing 11 and the capacitor case 4, on the side of the capacitor box gasket 6 near the cylindrical casing 11
  • the second arc-shaped sealing surface 61 is matched with the outer wall of the cylindrical casing 11.
  • the capacitor box 4 and the capacitor box gasket 6 are sealed and connected by a curved sealing structure; specifically, the arc-shaped sealing structure here
  • the outer arcuate sealing surface 63 is disposed on the capacitor box gasket, and has an arcuate cover surface at the open end of the capacitor box that matches the outer arcuate sealing surface.
  • a wire plug 11d is disposed on the second threading hole 11b, and the capacitor box gasket 6 is provided with a corresponding second threading hole 11b and inserted into the outlet plug 11d.
  • the through hole 62 has a tapered sealing structure between the capacitor box gasket 6 and the outlet plug 11d; the tapered sealing structure includes an outer annular cone surface disposed on the outlet plug, and is disposed in the second threading hole
  • the inner annular cone surface which is matched by the outer annular cone surface is provided with a capacitor fixing fork 65 on the capacitor box gasket 6, and the capacitor 4a is fixed on the capacitor fixing fork 65.
  • a circumferential positioning structure for preventing circumferential rotation between the capacitor box gasket 6 and the capacitor box 4 is disposed between the capacitor box gasket 6 and the capacitor case 4; the circumferential positioning structure includes a plurality of capacitor housing gaskets 6 disposed The circumferential side notch 64, a plurality of screws 41 provided on the capacitor case 4 pass through the notch and are connected to the cylindrical casing 11.
  • the first drainage structure of the present embodiment includes a plurality of first flat drainage holes 12c disposed on the side rings of the front end cover 12, and a plurality of first vertical drainage holes 12d are disposed at the bottom of the front end cover 12,
  • the second drainage structure includes a plurality of second flat drainage holes 13a disposed on the side rings of the rear end cover 13, and a plurality of second vertical drainage holes 13b are disposed at the bottom of the rear end cover 13, the first flat drainage
  • the drain hole 12c, the first vertical drain hole 12d, the second flat drain hole 13a and the second vertical drain hole 13b are respectively fixed with a drain hole plug 1a, and the drain hole plug 1a is provided with a connecting thread and The connecting thread is coated with a sealant;
  • annular groove 1b and an O-ring 1c provided on the annular groove are provided in the middle of the drain hole plug 1a.
  • a centrifugal switch plate 7 and a centrifugal switch 71 disposed on the centrifugal switch plate 7 are disposed in the rear end cover 13 of the present embodiment, and the rotor shaft 22 is adjacent to the rear end.
  • centrifugal switch 71 One end of the cover 13 is provided to enable the centrifugal switch 71 to be closed Centrifuge 8 and when the centrifuge 8 is under the action of centrifugal force, the centrifuge 8 opens the centrifugal switch 71, and in the central region of the centrifugal switch plate 7, a retaining hole 7a through which the rotor shaft 22 passes is provided;
  • the centrifugal switch plate 7 is made of stainless steel plate, and the centrifugal switch plate 7 is fixed to the rear end cover 13 by a plurality of connecting posts 72.
  • the centrifuge 8 When the motor speed reaches a certain rotational speed, the centrifuge 8 is centrifuged.
  • the switch 71 is opened, that is, the stationary contact and the movable contact are separated, and the static contact and the movable contact are contacted or separated by the elastic piece, and the centrifugal device 8 can deform the elastic piece.
  • the elastic piece is made of a stainless steel material.
  • the junction box gasket and the capacitor box gasket can ensure the sealing at the lead outlet, through the first arc sealing surface disposed on the junction box gasket and the second arc disposed on the capacitor box gasket
  • the structure combined with the sealing surface can further ensure the sealing property.
  • the structure of the rotating shaft sealing sleeve can ensure the sealing of the rotating and stopping state of the motor; in addition, the first flat drainage hole 12c and the first vertical drainage hole 12d
  • the combined structure of the second flat drain hole 13a and the second vertical drain hole 13b can meet the use requirements of the motor installation angle to make the motor usable.
  • motor casing 1 the drain hole plug 1a, the annular groove 1b, the O-ring 1c, the cylindrical casing 11, the first threading hole 11a, the second threading hole 11b, the groove body 11c, and the outlet line are used more frequently herein.

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Abstract

一种高耐候高密封不锈钢电机，包括由不锈钢材料制成的筒状壳体（11），在筒状壳体一端设有前端盖（12），另一端设有后端盖（13），在前端盖上设有转轴孔（12a），在转轴孔内设有套在转子轴（22）上的转轴密封套（12b），在前端盖上设有第一排水结构，在后端盖上设有第二排水结构，在筒状壳体上设有第一穿线孔（11a）和第二穿线孔（11b），在筒状壳体外壁设有位于第一穿线孔外侧的接线盒（3）和位于第二穿线孔外侧的带有电容（4a）的电容盒（4），筒状壳体和接线盒之间设有第一密封结构，在筒状壳体和电容盒之间设有第二密封结构。该电机具有易于排水和密封效果好的优点。

Description

高耐候高密封不锈钢电机 技术领域
本发明属于电机技术领域，涉及一种高耐候高密封不锈钢电机。
背景技术
电机在露天或者湿度较高的环境中使用时需要有较高的密封性，当电机具有良好的密封性时其不仅使用寿命长，而且电机运行稳定性好。由于受使用环境的约束，现有的高耐候电机其不仅密封性较差，而且使用寿命较短。为此，人们经过多年的研究，提出了各种各样的解决方案，中国专利文献公开了一种电机密封结构[申请号：201220306112.6]，包括前端盖、后端盖和保护罩，所述前端盖与后端盖的连接处设置密封圈，前端盖与后端盖通过螺栓固定。带离心开关的单相电机普遍使用45号钢材质的离心锤以及决定离心锤开闭的弹簧。在化工泵，清洗机用高压泵，易受海水腐蚀的设备(如摩托艇，游艇等投升装置)等使用场合，弹簧的寿命就决定了电机的寿命，若弹簧腐蚀断裂失效则电机就会因无法启动电流持续过大而烧毁。尚未有公开报道不锈钢离心开关的使用。
上述方案在电机前端盖与后端盖之间设置密封圈，且前端盖与后端盖的连接面上分别设置有放置密封圈的半密封圈槽，从而提高了电机的密封性。但是该方案还至少存在以下缺陷：整机的密封性差，特别是电机引线口处的密封性较差，另外，其中有些电机设置在露天或者湿度较高的地方，在使用过程中通常会出现电机进水或冷凝水在电机内形成的情况，如电机中的积水无法及时排出，则有可能导致电机故障或烧坏电机。
发明内容
本发明的目的是针对上述问题，提供一种密封性好且易于排水的高耐候高密封不锈钢电机。
为达到上述目的，本发明采用了下列技术方案：一种高耐候高密封不锈钢电机包括电机外壳，在电机外壳内设有定子和穿设于定子中的转子轴，在转子轴上固定有转子，所述的转子轴与电机外壳轴向定位且周向转动连接，该电机外壳包括由不锈钢材料制成的筒状壳体，在筒状壳体一端设有由铝材料制成的前端盖，另一端设有由铝材料制成的后端盖，定子设置在筒状壳体内壁，转子轴两端分别穿设在前端盖和后端盖上，在前端盖上设有转轴孔，在转轴孔内设有套在转子轴上的转轴密封套，在前端盖上设有第一排水结构，在后端盖上设有第二排水结构，在筒状壳体上设有第一穿线孔和第二穿线孔，在筒状壳体外壁设有位于第一穿线孔外侧的接线盒和位于第二穿线孔外侧的带有电容的电容盒，所述的筒状壳体和接线盒之间设有第一密封结构，在筒状壳体和电容盒之间设有第二密封结构。
在本申请中，由于设置了第一密封结构和第二密封结构能提高电机外壳引线口处的密封性，其次，筒状壳体和前端盖螺纹相连且在连接螺纹上涂覆有密封胶，筒状壳体和后端盖螺纹相连且在连接螺纹上涂覆有密封胶，转轴密封套能保证转子轴转动或转动停止时的密封性，不仅延长了电机的使用寿命，而且结构简单且易于组装和制造，设置了第一排水结构和第二排水结构的作用在于：当电机安装角度发生变化后，其还能将电机内部的水排出，从而保证电机的实用性和使用寿命。
在上述的高耐候高密封不锈钢电机中，所述的第一密封结构包括设置在筒状壳体和接线盒之间的接线盒密封垫，在接线盒密封垫靠近筒状壳体的一侧具有与筒状壳体外壁相吻合的第一弧形 密封面，所述的接线盒密封垫和接线盒之间通过水平密封结构密封相连。水平密封结构包括设置在接线盒密封垫上的第一水平密封面，在接线盒底部设有能与所述的第一水平密封面相吻合的第二水平密封面。
在上述的高耐候高密封不锈钢电机中，所述的第二密封结构包括设置在筒状壳体和电容盒之间的电容盒密封垫，在电容盒密封垫靠近筒状壳体的一侧具有与筒状壳体外壁相吻合的第二弧形密封面，所述的电容盒和电容盒密封垫之间通过弧形密封结构密封相连。弧形密封结构包括设置在电容盒密封垫上的外弧形密封面，在电容盒的敞口端具有与外弧形密封面相吻合的弧形封面面。
在上述的高耐候高密封不锈钢电机中，所述的第一排水结构包括若干设置在前端盖侧圈上的第一平置排水孔，在前端盖的底部设有若干第一竖置排水孔，所述的第二排水结构包括若干设置在后端盖侧圈上的第二平置排水孔，在后端盖的底部设有若干第二竖置排水孔，所述的第一平置排水孔、第一竖置排水孔、第二平置排水孔和第二竖置排水孔上分别固定有排水孔堵头所述的排水孔堵头上设有连接螺纹且在连接螺纹上涂覆有密封胶。在排水孔堵头的中部设有环形槽和设置在环形槽内的环形密封圈。另外，第一平置排水孔、第一竖置排水孔、第二平置排水孔和第二竖置排水孔能使电机满足各种角度的安装要求，进一步提高电机的实用性，同时也能及时的将电机内部的水排出。
在上述的高耐候高密封不锈钢电机中，所述的筒状壳体由周向封闭的不锈钢管状型材截取制成，所述的前端盖和后端盖通过若干连接杆固定在筒状壳体的两端，在筒状壳体内壁设有若干沿其轴向设置且供所述的连接杆穿过的槽体，所述的槽体分别由设于不锈钢管状型材内壁的条形槽截取而成。
筒状壳体由周向封闭的不锈钢管状型材截取制成的优点：第一、周向封闭的不锈钢管状型材其为一体式的结构，然后截就可 制作成本申请的筒状壳体，该结构不仅在保证结构强度的同时，而且还提高了生产效率，本申请明显更容易加工和制造；第二、周向封闭的不锈钢管状型材一般通过轧制或挤出等工艺的制造，轧制或挤出等工艺制造的管状型材其质量稳定，本申请明显提高了筒状壳体的产品的质量；第三、降低了生产成本，具体的，本申请对原材料利用率非常高，其次，在制造过程中其消耗的能耗相对较低，另外只要将不锈钢管状型材就可制得本申请的筒状壳体，工序较少，降低了生产成本；第四、槽体分别由设于不锈钢管状型材内壁的条形槽截取而成的结构,其是与不锈钢管状型材轧制或挤出时一起制造出来的，这样能保证本申请筒状壳体的产品质量，可避免二次加工造成的加工误差，保证产品的一致性。
在上述的高耐候高密封不锈钢电机中，所述的接线盒密封垫和电容盒密封垫均由硅胶制成。
在上述的高耐候高密封不锈钢电机中，每根连接杆的一端与前端盖螺纹相连，另一端具有设置在后端盖底部外壁的端帽，在每根连接杆上套设有热缩管和设置在端帽与后端盖底部外壁之间的密封垫圈。
在上述的高耐候高密封不锈钢电机中，所述的第二穿线孔上设有出线塞子，在电容盒密封垫上设有与所述的第二穿线孔对应且供所述的出线塞子***的过线孔，在电容盒密封垫和出线塞子之间设有锥形密封结构，在电容盒密封垫上设有电容固定叉座，所述的电容固定在电容固定叉座上；电容固定叉座由丁晴橡胶制成。锥形密封结构包括设置在出线塞子上的外环形锥面，在第二穿线孔内设有与外环形锥面相吻合的内环形锥面。在电容盒密封垫与电容盒之间设有用于防止电容盒密封垫和电容盒之间周向转动的周向定位结构；该周向定位结构包括若干设置在电容盒密封垫周向侧部的缺口，设置在电容盒上的若干螺钉穿过缺口并与筒状壳体相连
在上述的高耐候高密封不锈钢电机中，所述的后端盖内设有离心开关板和设置在离心开关板上的离心开关，在转子轴靠近后端盖的一端设有能使所述的离心开关闭合的离心器且当该离心器在离心力的作用下所述的离心器使离心开关开启，在离心开关板中心区域设有供转子轴穿过的让位孔。离心器为现有技术，这里就不做进一步的赘述。本申请的离心开关板由不锈钢材料制成，不仅使用寿命长，而且不易生锈。
在上述的高耐候高密封不锈钢电机中，所述的离心开关板由不锈钢钢板制成，所述的离心开关板通过若干连接柱固定在后端盖上。连接柱可以工程塑料或金属材料制成。
在上述的高耐候高密封不锈钢电机中，所述的后端盖上设有若干向内凹陷的安装凸台，所述的连接杆与安装凸台一一对应且穿过安装凸台；所述的接线盒包括不锈钢接线盒座和扣合在不锈钢接线盒座上的不锈钢接线罩，在不锈钢接线盒座(和不锈钢接线罩之间设有接线盒密封圈，在不锈钢接线盒座上设有出线孔和设置在出线孔上的出线塞子。该结构的作用在于提高电机的组装效率、以及提高接线盒的密封性和实用性。出线塞子由丁晴橡胶制成。
在上述的高耐候高密封不锈钢电机中，所述的转子两端分别固定有环形圈，在每个环形圈远离转子的一端分别设有若干在圆周方向分布的片状体，所述的环形圈与片状体连为一体式。所述的环形圈和转子通过若干固定销周向固定连接。
与现有的技术相比，本发明的优点在于：1、密封性好，由于设置了第一密封结构和第二密封结构能提高电机外壳引线口处的密封性，其次，筒状壳体和前端盖螺纹相连且在连接螺纹上涂覆有密封胶，筒状壳体和后端盖螺纹相连且在连接螺纹上涂覆有密封胶，转轴密封套能保证转子轴转动或转动停止时的密封性，不仅延长了电机的使用寿命，而且结构简单且易于组装和制造， 设置了第一排水结构和第二排水结构的作用在于：当电机安装角度发生变化后，其还能将电机内部的水排出，从而保证电机的实用性和使用寿命；2、制造成本低且易于组装；3、筒状壳体由周向封闭的不锈钢管状型材截取制成其能提高生产效率，同时还能保证整机的结构强度，而且不易生锈。
附图说明
图1是本发明提供的***结构示意图。
图2是本发明提供的排水孔堵头结构示意图。
图3是本发明提供的排水孔堵头***结构示意图。
图4是本发明提供的电机未启动时离心开关的状态结构示意图。
图5是本发明提供的电机启动并达到一定转速后离心开关的状态结构示意图。
图6是本发明提供的横向剖视结构示意图。
图7是本发明提供的连接杆结构示意图。
图中：电机外壳1、排水孔堵头1a、环形槽1b、O形密封圈1c、筒状壳体11、第一穿线孔11a、第二穿线孔11b、槽体11c、出线塞子11d、前端盖12、转轴孔12a、转轴密封套12b、第一平置排水孔12c、第一竖置排水孔12d、后端盖13、第二平置排水孔13a、第二竖置排水孔13b、安装凸台13c、连接杆14、端帽14a、热缩管15、密封垫圈16、定子21、转子轴22、转子23、接线盒3、不锈钢接线盒座31、不锈钢接线罩32、接线盒密封圈33、出线塞子34、电容盒4、电容4a、螺钉41、接线盒密封垫5、第一弧形密封面51、第一水平密封面52、电容盒密封垫6、第二弧形密封面61、过线孔62、外弧形密封面63、缺口64、电容固定叉座65、离心开关板7、让位孔7a、离心开关71、连接柱72、离心器8。
具体实施方式
下面结合附图和具体实施方式对本发明做进一步详细的说明。
如图1所示，一种高耐候高密封不锈钢电机包括电机外壳1，在电机外壳1内设有定子21和穿设于定子21中的转子轴22，在转子轴22上固定有转子23，所述的转子轴22与电机外壳1轴向定位且周向转动连接；
优化方案，如图1、6、7所示，本实施例的电机外壳1包括由不锈钢材料制成的筒状壳体11，不锈钢材料制成解决了以往的包括铸造等等材料在内制成的电机外壳其笨重和易于生锈的问题，在筒状壳体11一端设有由铝材料制成的前端盖12，另一端设有由铝材料制成的后端盖13，铝材料为铝合金，其不但重量轻，而且制造成本也低，可以通过压铸或浇铸进行制造，所述的筒状壳体11由周向封闭的不锈钢管状型材截取制成，周向封闭的不锈钢管状型材截取制成其能提高生产效率，同时还能保证整机的结构强度，另外，密封性好且不易生锈，所述的前端盖12和后端盖13通过若干连接杆14固定在筒状壳体11的两端，在筒状壳体11内壁设有若干沿其轴向设置且供所述的连接杆14穿过的槽体11c，所述的槽体11c分别由设于不锈钢管状型材内壁的条形槽截取而成；在定子21侧部设有若干与所述的槽体11c一一对应的让位槽。
进一步的，该每根连接杆14的一端与前端盖12螺纹相连，另一端具有设置在后端盖13底部外壁的端帽14a，在每根连接杆14上套设有热缩管15和设置在端帽14a与后端盖13底部外壁之间的密封垫圈16；其次，在后端盖13上设有若干向内凹陷的安装凸台13c，所述的连接杆14与安装凸台13c一一对应且穿过安装凸台13c。
为了提高密封性，如图1所示，本实施例的定子21设置在筒状壳体11内壁，转子轴22两端分别穿设在前端盖12和后端盖13上，转子轴22与前端盖12之间、转子轴22与后端盖13之间分别通过滚轴轴承相连，为了能进一步延长电机的使用寿命，在转子23的两端分别固定有环形圈23a，在每个环形圈远离转子的一端分别设有若干在圆周方向分布的片状体23b,所述的环形圈23a和转子23通过若干固定销23c周向固定连接，所述的环形圈与片状体连为一体式，在前端盖12上设有转轴孔12a，在转轴孔12a内设有套在转子轴22上的转轴密封套12b，在前端盖12上设有第一排水结构，在后端盖13上设有第二排水结构，在筒状壳体11上设有第一穿线孔11a和第二穿线孔11b，在筒状壳体11外壁设有位于第一穿线孔11a外侧的接线盒3和位于第二穿线孔11b外侧的带有电容4a的电容盒4，优化方案，本实施例的接线盒3包括不锈钢接线盒座31和扣合在不锈钢接线盒座31上的不锈钢接线罩32，在不锈钢接线盒座31和不锈钢接线罩32之间设有接线盒密封圈33，在不锈钢接线盒座31上设有出线孔和设置在出线孔上的出线塞子34，另外，在筒状壳体11和接线盒3之间设有第一密封结构，在筒状壳体11和电容盒4之间设有第二密封结构；
优化档案，本实施例的第一密封结构包括设置在筒状壳体11和接线盒3之间的接线盒密封垫5，在接线盒密封垫5靠近筒状壳体11的一侧具有与筒状壳体11外壁相吻合的第一弧形密封面51，所述的接线盒密封垫5和接线盒3之间通过水平密封结构密封相连；具体的，这里的水平密封结构水平密封结构包括设置在接线盒密封垫上的第一水平密封面52，在接线盒底部设有能与所述的第一水平密封面相吻合的第二水平密封面；
另外，第二密封结构包括设置在筒状壳体11和电容盒4之间的电容盒密封垫6，在电容盒密封垫6靠近筒状壳体11的一侧具 有与筒状壳体11外壁相吻合的第二弧形密封面61，所述的电容盒4和电容盒密封垫6之间通过弧形密封结构密封相连；具体的，这里的弧形密封结构包括设置在电容盒密封垫上的外弧形密封面63，在电容盒的敞口端具有与外弧形密封面相吻合的弧形封面面。
其次，如图1所示，在第二穿线孔11b上设有出线塞子11d，在电容盒密封垫6上设有与所述的第二穿线孔11b对应且供所述的出线塞子11d***的过线孔62，在电容盒密封垫6和出线塞子11d之间设有锥形密封结构；该锥形密封结构包括设置在出线塞子上的外环形锥面，在第二穿线孔内设有与外环形锥面相吻合的内环形锥面，在在电容盒密封垫6上设有电容固定叉座65，所述的电容4a固定在电容固定叉座65上。在电容盒密封垫6与电容盒4之间设有用于防止电容盒密封垫6和电容盒4之间周向转动的周向定位结构；该周向定位结构包括若干设置在电容盒密封垫6周向侧部的缺口64，设置在电容盒4上的若干螺钉41穿过缺口并与筒状壳体11相连。
优化方案，本实施例的第一排水结构包括若干设置在前端盖12侧圈上的第一平置排水孔12c，在前端盖12的底部设有若干第一竖置排水孔12d，所述的第二排水结构包括若干设置在后端盖13侧圈上的第二平置排水孔13a，在后端盖13的底部设有若干第二竖置排水孔13b，所述的第一平置排水孔12c、第一竖置排水孔12d、第二平置排水孔13a和第二竖置排水孔13b上分别固定有排水孔堵头1a所述的排水孔堵头1a上设有连接螺纹且在连接螺纹上涂覆有密封胶；
为了提高密封性和进一步提高组装效率，在排水孔堵头1a的中部设有环形槽1b和设置在环形槽上的O形密封圈1c。
优化方案，如图1和图4-5所示，在本实施例的后端盖13内设有离心开关板7和设置在离心开关板7上的离心开关71，在转子轴22靠近后端盖13的一端设有能使所述的离心开关71闭合 的离心器8且当该离心器8在离心力的作用下所述的离心器8使离心开关71开启，在离心开关板7中心区域设有供转子轴22穿过的让位孔7a；具体的，这里的离心开关板7由不锈钢钢板制成，所述的离心开关板7通过若干连接柱72固定在后端盖13上。当离心器8使离心开关71关闭时，即设置在离心开关板7上的静触头和动触头接触，这时电机处于停止运行状态，当电机转速达到一定转速后，离心器8使离心开关71开启，即静触头和动触头分离，通过弹性片使静触头和动触头接触或分离，离心器8能使弹性片发生形变。弹性片由不锈钢材料制成。
在本实施例中，接线盒密封垫和电容盒密封垫能保证引线出口处的密封性，通过设置在接线盒密封垫设置的第一弧形密封面和设置在电容盒密封垫上的第二弧形密封面相结合的结构能进一步保证密封性，另外，设置了转轴密封套的结构能保证电机转动转动和停止状态的密封性；另外，第一平置排水孔12c、第一竖置排水孔12d、第二平置排水孔13a和第二竖置排水孔13b的相结合的结构其可以满足电机安装角度变化而使该电机还能使用的使用要求。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了电机外壳1、排水孔堵头1a、环形槽1b、O形密封圈1c、筒状壳体11、第一穿线孔11a、第二穿线孔11b、槽体11c、出线塞子11d、前端盖12、转轴孔12a、转轴密封套12b、第一平置排水孔12c、第一竖置排水孔12d、后端盖13、第二平置排水孔13a、第二竖置排水孔13b、安装凸台13c、连接杆14、端帽14a、热缩管15、密封垫圈16、定子21、转子轴22、转子23、接线盒3、不锈钢接线盒座31、不锈钢接线罩32、接线 盒密封圈33、出线塞子34、电容盒4、电容4a、螺钉41、接线盒密封垫5、第一弧形密封面51、第一水平密封面52、电容盒密封垫6、第二弧形密封面61、过线孔62、外弧形密封面63、缺口64、电容固定叉座65、离心开关板7、让位孔7a、离心开关71、连接柱72、离心器8等术语，但并不排除使用其它术语的可能性。使用这些术语仅仅是为了更方便地描述和解释本发明的本质；把它们解释成任何一种附加的限制都是与本发明精神相违背的。

Claims (10)

  1. 一种高耐候高密封不锈钢电机，包括电机外壳(1)，在电机外壳(1)内设有定子(21)和穿设于定子(21)中的转子轴(22)，在转子轴(22)上固定有转子(23)，所述的转子轴(22)与电机外壳(1)轴向定位且周向转动连接，其特征在于，所述的电机外壳(1)包括由不锈钢材料制成的筒状壳体(11)，在筒状壳体(11)一端设有由铝材料制成的前端盖(12)，另一端设有由铝材料制成的后端盖(13)，定子(21)设置在筒状壳体(11)内壁，转子轴(22)两端分别穿设在前端盖(12)和后端盖(13)上，在前端盖(12)上设有转轴孔(12a)，在转轴孔(12a)内设有套在转子轴(22)上的转轴密封套(12b)，在前端盖(12)上设有第一排水结构，在后端盖(13)上设有第二排水结构，在筒状壳体(11)上设有第一穿线孔(11a)和第二穿线孔(11b)，在筒状壳体(11)外壁设有位于第一穿线孔(11a)外侧的接线盒(3)和位于第二穿线孔(11b)外侧的带有电容(4a)的电容盒(4)，所述的筒状壳体(11)和接线盒(3)之间设有第一密封结构，在筒状壳体(11)和电容盒(4)之间设有第二密封结构。
  2. 根据权利要求1所述的高耐候高密封不锈钢电机，其特征在于，所述的第一密封结构包括设置在筒状壳体(11)和接线盒(3)之间的接线盒密封垫(5)，在接线盒密封垫(5)靠近筒状壳体(11)的一侧具有与筒状壳体(11)外壁相吻合的第一弧形密封面(51)，所述的接线盒密封垫(5)和接线盒(3)之间通过水平密封结构密封相连。
  3. 根据权利要求2所述的高耐候高密封不锈钢电机，其特征在于，所述的第二密封结构包括设置在筒状壳体(11)和电容盒(4)之间的电容盒密封垫(6)，在电容盒密封垫(6)靠近筒状壳体(11)的一侧具有与筒状壳体(11)外壁相吻合的第二弧形密封面(61)，所述的电容盒(4)和电容盒密封垫(6)之间通过弧形密封结构密封相连。
  4. 根据权利要求1或2或3所述的高耐候高密封不锈钢电机，其特征在于，所述的第一排水结构包括若干设置在前端盖(12)侧圈上的第一平置排水孔(12c)，在前端盖(12)的底部设有若干第一竖置排水孔(12d)，所述的第二排水结构包括若干设置在后端盖(13)侧圈上的第二平置排水孔(13a)，在后端盖(13)的底部设有若干第二竖置排水孔(13b)，所述的第一平置排水孔(12c)、第一竖置排水孔(12d)、第二平置排水孔(13a)和第二竖置排水孔(13b)上分别固定有排水孔堵头(1a)所述的排水孔堵头(1a)上设有连接螺纹且在连接螺纹上涂覆有密封胶。
  5. 根据权利要求1或2或3所述的高耐候高密封不锈钢电机，其特征在于，所述的筒状壳体(11)由周向封闭的不锈钢管状型材截取制成，所述的前端盖(12)和后端盖(13)通过若干连接杆(14)固定在筒状壳体(11)的两端，在筒状壳体(11)内壁设有若干沿其轴向设置且供所述的连接杆(14)穿过的槽体(11c)，所述的槽体(11c)分别由设于不锈钢管状型材内壁的条形槽截取而成。
  6. 根据权利要求5所述的高耐候高密封不锈钢电机，其特征在于，每根连接杆(14)的一端与前端盖(12)螺纹相连，另一端具有设置在后端盖(13)底部外壁的端帽(14a)，在每根连接杆(14)上套设有热缩管(15)和设置在端帽(14a)与后端盖(13)底部外壁之间的密封垫圈(16)。
  7. 根据权利要求3所述的高耐候高密封不锈钢电机，其特征在于，所述的第二穿线孔(11b)上设有出线塞子(11d)，在电容盒密封垫(6)上设有与所述的第二穿线孔(11b)对应且供所述的出线塞子(11d)***的过线孔(62)，在电容盒密封垫(6)和出线塞子(11d)之间设有锥形密封结构；在电容盒密封垫(6)上设有电容固定叉座(65)，所述的电容(4a)固定在电容固定叉座(65)上。
  8. 根据权利要求1或2或3所述的高耐候高密封不锈钢电机，其特征在于，所述的后端盖(13)内设有离心开关板(7)和设置在离心开关板(7)上的离心开关(71)，在转子轴(22)靠近后端盖(13)的一端设有能使所述的离心开关(71)闭合的离心器(8)且当该离心器(8)在离心力的作用下所述的离心器(8)使离心开关(71)开启，在离心开关板(7)中心区域设有供转子轴(22)穿过的让位孔(7a)。
  9. 根据权利要求8所述的高耐候高密封不锈钢电机，其特征在于，所述的离心开关板(7)由不锈钢钢板制成，所述的离心开关板(7)通过若干连接柱(72)固定在后端盖(13)上。
  10. 根据权利要求6所述的高耐候高密封不锈钢电机，其特征在于，所述的后端盖(13)上设有若干向内凹陷的安装凸台(13c)，所述的连接杆(14)与安装凸台(13c)一一对应且穿过安装凸台(13c)；所述的接线盒(3)包括不锈钢接线盒座(31)和扣合在不锈钢接线盒座(31)上的不锈钢接线罩(32)，在不锈钢接线盒座(31)和不锈钢接线罩(32)之间设有接线盒密封圈(33)，在不锈钢接线盒座(31)上设有出线孔和设置在出线孔上的出线塞子(34)。
PCT/CN2015/079231 2014-05-17 2015-05-18 高耐候高密封不锈钢电机 WO2015176634A1 (zh)

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