CN213151791U - ZZFB rotor closed type DC motor - Google Patents

Abstract

The utility model discloses a ZZFB rotor closed DC motor, including octagonal base and pivot, the pivot interlude sets up in the inside of octagonal base, and rotor and commutator are installed respectively at the middle part of pivot, and the fixed corresponding lamination formula stator in position that is equipped with position and rotor of the inside one end of octagonal base, and the inner wall and the outer wall of octagonal base are equipped with radiator unit, and radiator unit includes the first heat dissipation muscle of a plurality of and the heat dissipation muscle of a plurality of second, the beneficial effects of the utility model are that: adopt octagonal base structure and lamination formula stator, can bear the operating mode of pulsating current and electric current sharp variation, the interior external surface of octagonal base pastes a plurality of first heat dissipation muscle and a plurality of second heat dissipation muscle through the heat-conducting glue of high heat transfer, has reduced the thermal contact resistance between octagonal base and a plurality of first heat dissipation muscle and a plurality of second heat dissipation muscle, has improved the heat-sinking capability on motor surface, has ensured the whole rigidity of motor simultaneously.

Description

ZZFB rotor closed type DC motor

Technical Field

The utility model relates to a direct current motor, in particular to ZZFB rotor closed direct current motor belongs to direct current motor technical field.

Background

Like other motors, the basic function of a dc motor is to convert between electrical and mechanical energy. The difference is that the DC motor has a rotating armature and a commutator, and has reversibility, and can be used as an engine and a generator.

Currently, Z series, Z4 and ZSL4 series direct current motors of IP21 with lower protection grade are mainly on the market, and ZBL4 series are IP44 protection grade, but have poor heat dissipation and low power and cannot meet the market requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ZZFB rotor closed DC motor to solve the current poor and little problem of power of DC motor heat dissipation that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ZZFB rotor closed DC motor, includes octagonal base and pivot, the pivot alternates to set up the inside at octagonal base, rotor and commutator are installed respectively to the middle part of pivot, the inside one end of octagonal base is fixed and is equipped with the corresponding laminated stator in position of position and rotor, octagonal base's inner wall and outer wall are equipped with radiator unit, radiator unit includes the first heat dissipation muscle of a plurality of and the heat dissipation muscle of a plurality of second, a plurality of first heat dissipation muscle is all through the heat conduction glue mounting at octagonal base's outer wall, and the heat dissipation muscle of a plurality of second is all through the heat conduction glue mounting at octagonal base's inner wall, rear end component is installed to octagonal base one end.

As an optimized technical scheme of the utility model, the other end fixed mounting of base has the front end housing.

As an preferable technical solution of the present invention, the tooth magnetic circuit of the rotor adopts a closed magnetic circuit.

As a preferred technical scheme of the utility model, the rear end subassembly includes a rear end lid section of thick bamboo, a rear end lid section of thick bamboo is fixed to be set up the one end at the octagonal base, the inside of a rear end lid section of thick bamboo is equipped with first flabellum and gear respectively, the equal fixed mounting of first flabellum and gear is in the one end of pivot, the first air vent of a plurality of has all been seted up at the middle part of a rear end lid section of thick bamboo both sides.

As a preferred technical scheme of the utility model, the fixed section of thick bamboo that separates that is equipped with in outer lane of a rear end cover section of thick bamboo inner wall, it installs the ring gear to separate to rotate on the section of thick bamboo, gear and ring gear inner gearing, the outer wall fixed mounting of ring gear has the second flabellum, a plurality of second venthole has been seted up respectively to the outer lane of a rear end cover section of thick bamboo both sides.

As an optimized technical proposal of the utility model, a plurality of openings are arranged on the gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a ZZFB rotor closed DC motor adopts octagonal base structure and lamination formula stator, can bear the operating mode of pulsating current and the abrupt change of electric current, and the external surface pastes a plurality of first heat dissipation muscle and a plurality of second heat dissipation muscle through the heat conducting glue of high heat transfer inside and outside the octagonal base, has reduced the thermal contact resistance between octagonal base and a plurality of first heat dissipation muscle and a plurality of second heat dissipation muscle, has improved the heat-sinking capability on motor surface, has ensured the whole rigidity of motor simultaneously; the rotor tooth magnetic circuit adopts a closed magnetic circuit to replace an air gap magnetic circuit, so that the density of the tooth part is reduced, the leakage dredging of the rotor tooth part of the motor is reduced, the magnetic field loss of the rotor is reduced to 85 percent of the original loss, the rotor temperature rise of the motor is reduced, the material consumption of the excitation coil is reduced, the insulation reliability of the motor rotor is increased, the overload capacity is increased, and the service life of the motor is prolonged by 3-5 years.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1. an octagonal base; 2. a rotating shaft; 3. a rotor; 4. a laminated stator; 5. a heat dissipating component; 51. heat conducting glue; 52. a first heat dissipation rib; 53. a second heat dissipation rib; 6. a commutator; 7. a back end component; 71. a rear end cap barrel; 72. a first fan blade; 73. a gear; 74. a separating cylinder; 75. a ring gear; 76. a second fan blade; 77. a first vent hole; 78. a second vent hole; 79. an opening; 8. a front end cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a zz fb closed rotor dc motor, which comprises an octagonal base 1 and a rotating shaft 2, wherein the rotating shaft 2 is inserted into the octagonal base 1, the middle of the rotating shaft 2 is respectively provided with a rotor 3 and a commutator 6, one end of the inside of the octagonal base 1 is fixedly provided with a laminated stator 4 whose position corresponds to the position of the rotor 3, the inner wall and the outer wall of the octagonal base 1 are provided with heat dissipation assemblies 5, each heat dissipation assembly 5 comprises a plurality of first heat dissipation ribs 52 and a plurality of second heat dissipation ribs 53, the plurality of first heat dissipation ribs 52 are all attached to the outer wall of the octagonal base 1 through heat conductive glue 51, the plurality of second heat dissipation ribs 53 are all attached to the inner wall of the octagonal base 1 through heat conductive glue 51, one end of the octagonal base 1 is provided with a back end assembly 7, the structure of the octagonal base 1 and a magnetic yoke of the laminated stator 4 are adopted, the working condition that can bear pulsating current and electric current abrupt change, octagonal base 1 inside and outside surface pastes a plurality of first heat dissipation muscle 52 and a plurality of second heat dissipation muscle 53 through heat conduction glue 51 of high heat transfer, has reduced the thermal contact resistance between octagonal base 1 and a plurality of first heat dissipation muscle 52 and a plurality of second heat dissipation muscle 53, has improved the heat-sinking capability on motor surface, has ensured the whole rigidity of motor simultaneously.

Preferably, the other end of the octagonal base 1 is fixedly provided with a front end cover 8, the purpose of sealing is achieved by matching the front end cover 8 with the rear end assembly 7, a tooth magnetic circuit of the rotor 3 adopts a closed magnetic circuit, the closed magnetic circuit is adopted to replace an air gap magnetic circuit to reduce tooth density, reduce tooth leakage and dredging of the motor rotor 3, reduce magnetic field loss of the rotor 3 to 85% of the original value, reduce temperature rise of the rotor 3 of the motor, reduce material consumption of an excitation coil, increase insulation reliability of the motor rotor 3 and increase overload capacity, the rear end assembly 7 comprises a rear end cover cylinder 71, the rear end cover cylinder 71 is fixedly arranged at one end of the octagonal base 1, a first fan blade 72 and a gear 73 are respectively arranged inside the rear end cover cylinder 71, the first fan blade 72 and the gear 73 are fixedly arranged at one end of the rotating shaft 2, a plurality of first vent holes 77 are respectively formed in the middle parts of two sides of the rear end cover cylinder 71, and the second heat dissipation ribs 53 can be, the outer ring of the inner wall of the rear end cover cylinder 71 is fixedly provided with a separating cylinder 74, the separating cylinder 74 is rotatably provided with a gear ring 75, the gear 73 is meshed with the gear ring 75, the outer wall of the gear ring 75 is fixedly provided with second fan blades 76, the outer rings of two sides of the rear end cover cylinder 71 are respectively provided with a plurality of second ventilation holes 78, the first heat dissipation ribs 52 can be ventilated and dissipated through the matching of the second fan blades 76 and the second ventilation holes 78, the gear 73 is provided with a plurality of openings 79, air flow is ensured, and the gear 73 is prevented from obstructing air flow.

When in use, the utility model relates to a ZZFB rotor closed DC motor, the motor adopts the structure of the octagonal base 1 and the magnetic yoke of the laminated stator 4 in the using process, which can bear the working condition of the rapid change of the pulsating current and the current, the inner and outer surfaces of the octagonal base 1 are pasted with a plurality of first heat dissipation ribs 52 and a plurality of second heat dissipation ribs 53 through the heat conducting glue 51 with high heat transfer, the contact thermal resistance between the octagonal base 1 and the plurality of first heat dissipation ribs 52 and the plurality of second heat dissipation ribs 53 is reduced, the heat dissipation capability of the surface of the motor is improved, the integral rigidity of the motor is ensured, the rotating shaft 2 can drive the first fan blade 72 to rotate in the rotating process, the second heat dissipation ribs 53 can be ventilated and dissipated through the matching of the first fan blade 72 and the first vent hole 77, the gear 73 transmission gear ring 75 can drive the second fan blade 76 to rotate, the first heat dissipation ribs 52 can be ventilated and dissipated by matching the second fan blades 76 with the second ventilation holes 78, an inner independent cooling air path and an outer independent cooling air path are adopted, the heat dissipation effect is further improved, the structural design operation time of the whole motor bearing is 25000H, the shaft extension end bearing is locked, the winding adopts an H-level insulation structure, vacuum pressure impregnation is carried out, an iron core of the rotor 3 is made by alternately laminating 0.35mm silicon steel sheets and 0.5mm silicon steel sheets, the service life of the rotor 3 is prolonged, and the magnetic circuit of the tooth part of the rotor 3 adopts a closed magnetic circuit to replace an air gap magnetic circuit, so that the density of the tooth part is reduced, the leakage and dredging of the tooth part of the rotor 3 of the motor are reduced, the magnetic field loss of the rotor 3 is reduced to 85 percent of the original loss, the temperature rise of the rotor 3 of the motor is reduced, the material consumption of the excitation coil is reduced, the insulation reliability of the rotor 3 of the motor is improved, the overload capacity is increased, and the service life of the motor is.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a ZZFB rotor closed DC motor, includes octagonal base (1) and pivot (2), its characterized in that, pivot (2) alternate the inside of setting at octagonal base (1), rotor (3) and commutator (6) are installed respectively to the middle part of pivot (2), the inside one end of octagonal base (1) is fixed and is equipped with position and rotor (3) the corresponding lamination formula stator (4) in position, the inner wall and the outer wall of octagonal base (1) are equipped with radiator unit (5), radiator unit (5) include a plurality of first heat dissipation muscle (52) and a plurality of second heat dissipation muscle (53), a plurality of first heat dissipation muscle (52) all paste the dress at the outer wall of octagonal base (1) through heat-conducting glue (51), and a plurality of second heat dissipation muscle (53) all paste the dress at the inner wall of octagonal base (1) through heat-conducting glue (51), a rear end component (7) is installed at one end of the octagonal base (1).

2. A ZZFB rotor enclosed dc motor as claimed in claim 1, characterized in that: the other end of the base (1) is fixedly provided with a front end cover (8).

3. A ZZFB rotor enclosed dc motor as claimed in claim 1, characterized in that: the tooth magnetic circuit of the rotor (3) adopts a closed magnetic circuit.

4. A ZZFB rotor enclosed dc motor as claimed in claim 1, characterized in that: rear end subassembly (7) include a rear end lid section of thick bamboo (71), a rear end lid section of thick bamboo (71) is fixed to be set up in the one end of octagonal base (1), the inside of a rear end lid section of thick bamboo (71) is equipped with first flabellum (72) and gear (73) respectively, the equal fixed mounting in the one end of pivot (2) of first flabellum (72) and gear (73), a plurality of first air vent (77) have all been seted up at the middle part of a rear end lid section of thick bamboo (71) both sides.

5. A ZZFB rotor enclosed DC motor as set forth in claim 4, wherein: the fixed section of thick bamboo (74) that separates that is equipped with of outer lane of a rear end cover section of thick bamboo (71) inner wall, it installs ring gear (75) to separate to rotate on a section of thick bamboo (74), gear (73) and ring gear (75) internal gearing, the outer wall fixed mounting of ring gear (75) has second flabellum (76), a plurality of second ventilation hole (78) have been seted up respectively to the outer lane of a rear end cover section of thick bamboo (71) both sides.

6. A ZZFB rotor enclosed DC motor as set forth in claim 5, wherein: the gear (73) is provided with a plurality of openings (79).

Images