Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
  • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
  • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
  • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
  • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
• • 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
  • H02K1/00—Details of the magnetic circuit
  • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
  • H02K1/12—Stationary parts of the magnetic circuit
  • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
  • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators

Definitions

• Geared motors for furniture adjustments in most cases consist of a combination of a gearbox with a flanged electric motor.
• the motor shaft is designed as a worm shaft and engages in the worm gear of the transmission.
• electric geared motors are known in the art that an engine cover is designed as a transmission housing, at which then more
• the invention is based on the object, a
• Transmission parts are placed in a holistic housing, without the engine and transmission parts are stored in individual cases, and that the housing with all
• Locking devices which are necessary for attachment and adjustment of furniture is provided.
• the case has two
• the locking means may have pins, lugs, webs and the like through which the individual engine and transmission parts are kept. As further embodiments of the locking means come housing shoulders, housing projections, recesses and the like into consideration. In a preferred embodiment of the invention
• Gear motor is arranged around the electric rotor, a magnetic ring which is secured with a locking lug in the housing shells against rotation.
• the magnetic ring may have a number of magnets and / or magnetic regions which are arranged around the circumference of the rotor.
• the magnets may be circumferentially spaced from each other or at least on one side in the circumferential direction adjacent to each other.
• the magnetic ring can be a particular hollow cylindrical
• the magnetic ring can be a hollow cylindrical
• Hollow cylindrical magnet can be radially outward of the
• Support body be held immovable.
• the geared motor can be designed as a permanently excited DC machine, wherein the magnets are designed as permanent magnets.
• carbon holders can be arranged on a fork-shaped plate, which are in engagement with a collector of the rotor. On this board can also the
• Plug housing and connections for limit switches can be arranged, which are interconnected by interconnects.
• the board with the carbon brushes can, as usual, be designed as a component that receives both carbon brushes and leads under a spring bias.
• Carbon brush holder can be added as a separate part in the housing. Alternatively, the
• Carbon brush holder may be formed in at least one housing shell or formed on at least one housing shell.
• Worm wheel For storage of the motor shaft, a ball bearing plain bearing combination can be used. Alternatively, two plain bearings may be provided for the motor shaft.
• the worm wheel with its bearings in the housing shells is a worm wheel with its bearings in the housing shells
• Trapezoidal nut be formed by the trained as trapezoidal screw drive spindle is moved along with rotation of the worm wheel.
• the worm wheel bearing can by ball bearings, through
• the worm wheel can be provided with a sprue which runs in a housing formed on a housing shell or molded into a housing shell.
• a radial plain bearing can in principle plastic
• Plastic running Alternatively, however, a bearing bush can be provided.
• plastic can run on a starter disk consisting of steel. Alternatively, however, may be on the tarpaulin be waived and plastic on plastic run.
• latching means may be attached for the attachment of protective tubes.
• a drive spindle formed as a trapezoidal threaded spindle is connected in a rotationally fixed manner to the worm wheel.
• bearing limit switches can be arranged, which are held by the bearings of the worm wheel in position.
• Figure 1 is a plan view of the open side of a
• the geared motor shown in these figures on a housing shells 1, 2 existing housing which is divided in the axis of the electric rotor 3.
• the parts of the electric motor such as the rotor 3, the magnet ring 14, carbon brushes for the power supply, and the gear parts, such as the worm wheel 12 and bearings 13 and the
• Housing shells 1, 2 held by screws 17 in the housing in its functional position.
• the housing shells 1, 2 have latching means, in which the
• Worm wheel 12 are held so that they can not move axially.
• the hub of the worm wheel 12 is formed as a trapezoidal nut, so that when rotating by the electric rotor 3 arranged in the worm wheel 12 and rotatably mounted on the adjustment of the furniture as
• Trapezoidal threaded spindle trained drive spindle 11 performs a longitudinal adjustment. Since the drive spindle 11 is mounted longitudinally movable in the housing, which is fastened with locking means 18 to the fixed parts of the furniture, there is an adjustment between the fixed and movable furniture parts.
• the housing with its locking means can also be attached to the moving parts of the furniture. Fixedly arranged on the drive spindle 11
• Limit switch cam 10 limit the adjustment when Reaching the limit switch 9 in the housing.
• Carbon brush holder 8 is made by a
• Input connector housing 7 and the power supply to the limit switches 9 by connector.
• the stator consists of a magnetic ring 14 with permanently arranged inside magnets, which is rotatably mounted in the housing consisting of housing shells 1, 2 with a locking means 15. The location of the boards 6 with the
• Carbon brush holders 8 and the position of the magnetic ring 14 determine the functions of the electric motor.

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
• Gear Transmission (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (2)

Family

ID=46083279

Family Applications (1)

Country Status (4)

Cited By (2)

Families Citing this family (4)

Family Cites Families (11)

• 2012
  • 2012-01-18 DE DE201220000412 patent/DE202012000412U1/de not_active Expired - Lifetime
• 2013
  • 2013-01-18 EP EP13702366.9A patent/EP2805407A2/fr not_active Withdrawn
  • 2013-01-18 WO PCT/EP2013/050877 patent/WO2013107835A2/fr not_active Ceased
  • 2013-01-18 CN CN201390000244.9U patent/CN204392047U/zh not_active Expired - Fee Related

Also Published As

Similar Documents

Legal Events