CN218498932U - Novel fan blade type motor end cover - Google Patents

Abstract

The utility model relates to a motor end cover field, a novel fan blade formula motor end cover, including the end cover body, the inboard of end cover body is equipped with sealed limit, and the inboard central point of end cover body puts and is equipped with motor bearing room, is equipped with a plurality of radiating groove on the end cover body, and the radiating groove encircles the setting of motor bearing room, the utility model discloses in the use, because the motor is after the circular telegram, the inside rotating magnetic field that produces of motor, the rotor receives inside rotating magnetic field power and rotates fast, because a plurality of archs are arranged to rotor both ends circumference equipartition, when high-speed rotatory, can produce the rotation air current between rotor end and end cover, with the radiating groove design for taking tooth fan blade formula notch, the inside rotation air current that produces of motor just in time is taken tooth formula notch cisoid to discharge fast, take tooth fan blade formula notch to compare current motor end cover and do not have the hot gas flow separation to inside, and there is no vortex, the heat dissipation is faster, greatly reduced motor bearing degree of being heated, improves the motor life-span.

Description

Novel fan blade type motor end cover

Technical Field

The utility model relates to a motor end cover technical field specifically is a novel fan blade formula motor end cover.

Background

At present, the motor is provided with end covers at two sides and a motor shell which are matched to form a motor appearance structure, and a bearing chamber is arranged at the center of the inner side of each end cover and used for fixing and supporting a rotor assembly in the motor so that the rotor assembly and a stator keep coaxial. Most of the existing motor end covers are sealed opaque end covers, the motor is in a failure mode, the disassembly frequency is high, the workload is increased, and the heat dissipation effect is poor; for a low-power motor, the internal space is originally small, so that heat dissipation through an end cover is crucial, if the grooving style of the end cover is unreasonable, when the motor runs, heat generated inside cannot be timely and effectively removed, high temperature of an internal bearing chamber is easily caused, because the bearing chamber is closed, the heat inside the bearing chamber is difficult to release, the temperature is quickly raised, bearing grease is deteriorated, the bearing chamber and a bearing are abraded, an internal rotor assembly runs eccentrically, the motor is finally burnt, and the strength of the end cover is influenced by unreasonable grooving of the end cover; the hot air flow generated when the inner rotor runs at high speed cannot be discharged in the forward direction, and the wind noise of the motor is increased.

The existing motor end cover is opaque in sealing, a motor is in a failure mode, the disassembly frequency is high, the workload is increased, the heat dissipation effect is poor, the motor is easy to burn out, and although some motors are provided with notches at the end cover surface in the market to increase the heat dissipation effect and provide visualization inside the motor, the heat dissipation effect is not obvious, and the wind noise is large; the oversized notch at the end cover surface can improve the heat dissipation effect, but the end cover is low in strength, and meanwhile, the existing end cover can only be matched with one type of motor shell, so that the applicability of the end cover is limited.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a novel fan blade formula motor end cover.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model discloses a novel fan blade formula motor end cover, including the end cover body, the inboard of end cover body is equipped with the sealing strip, the inboard central point of end cover body puts and is equipped with motor bearing room, be equipped with a plurality of radiating groove on the end cover body, just the radiating groove encircles the setting of motor bearing room, the inboard of end cover body is equipped with the strengthening rib, just the strengthening rib is located between the adjacent radiating groove, the outside of end cover body is encircleed and is equipped with a plurality of lug, be equipped with the screw hole on the lug, the outside of end cover body is equipped with a plurality of fixed orifices and a plurality of riveting recess.

Further, the utility model discloses the improvement has, the radiating groove is for taking tooth flabellum formula notch, the radiating groove is embedded to have the dust screen.

Further, the utility model discloses the improvement has, the strengthening rib is the arc structure, just the strengthening rib is arranged to the side soon in the end cover body.

Further, the utility model discloses the improvement has, the avris of sealed limit is equipped with the screw thread.

Further, the utility model discloses the improvement has, the radiating groove is equipped with six at least, fixed orifices and lug are equipped with four at least, the riveting recess is equipped with eight at least.

Further, the utility model discloses the improvement has, the riveting recess is trapezoidal groove structure, the outside of fixed orifices is equipped with the firm groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel fan blade formula motor end cover possesses following beneficial effect:

the utility model discloses in the use, because the motor is behind the circular telegram, the inside rotating magnetic field that produces of motor, the rotor receives inside rotating magnetic field power and rotates fast, because a plurality of archs are arranged to rotor both ends circumference equipartition, when high-speed rotatory, can produce the rotation air current between rotor end and end cover, design the radiating groove for taking tooth fan blade formula notch, the inside rotation air current that produces of motor just in time is along taking tooth fan blade formula notch cisoid to discharge fast, take tooth fan blade formula notch to compare current motor end cover to the no separation of inside hot gas flow, no vortex, the heat dissipation is faster, greatly reduced motor bearing degree of being heated, the service life of motor is prolonged.

Drawings

FIG. 1 is a schematic structural view of the internal front view of the present invention;

FIG. 2 is a schematic structural diagram of an external front view of the present invention;

in the figure: 1. a bump; 2. riveting the groove; 3. a fixing hole; 4. a heat sink; 5. reinforcing ribs; 6. a motor bearing chamber;

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.

Please refer to fig. 1-2, the utility model discloses a novel fan blade formula motor end cover, including the end cover body, the inboard of end cover body is equipped with the sealed limit, the inboard central point of end cover body puts and is equipped with motor bearing room 6, be equipped with a plurality of radiating groove 4 on the end cover body, just radiating groove 4 encircles motor bearing room 6 and sets up, the inboard of end cover body is equipped with strengthening rib 5, just strengthening rib 5 is located between the adjacent radiating groove 4, the outside of end cover body is encircleed and is equipped with a plurality of lug 1, be equipped with the screw hole on lug 1, the outside of end cover body is equipped with a plurality of fixed orifices 3 and a plurality of riveting recess 2.

When the novel fan blade type motor end cover is used, because the motor is electrified, a rotating magnetic field is generated inside the motor, the rotor is quickly rotated by the force of the internal rotating magnetic field, and because a plurality of bulges are uniformly distributed on the circumference of the two ends of the rotor, a rotary airflow (hot airflow) can be generated between the rotor end and the end cover when the novel fan blade type motor end cover rotates at a high speed. Design heat dissipation groove 4 for taking tooth fan blade formula notch, the inside rotation direction air current that produces of motor just in time is discharged fast along taking tooth fan blade formula notch cisoid, takes tooth fan blade formula notch to compare current motor end cover to the no separation of inside hot gas flow, no vortex, the heat dissipation is faster, greatly reduced motor bearing degree of being heated, improve motor life, the utility model discloses an embodiment of end cover body mounting means is for installing with the casing through the screw hole cooperation on screw rod and the lug 1, and this mounting means is convenient simple and easy more, and embodiment two is still to be provided with riveting recess 2 on this end cover body, presses motor housing in riveting recess 2 through the riveting round pin, makes end cover body and motor housing closely laminate to make the fastening nature of end cover installation better, the biggest advantage simultaneously has saved screw rod nut, the cost is reduced, and embodiment three is for installing through screw rod and fixed orifices 3 cooperation and motor housing advantage for the installation fastening is more firm, and has saved installation space, above-mentioned three kinds of mounting means mixedly installs or has adopted one or more mounting means alone to install, has improved the end cover body and the performance of motor housing assembly.

If the notch of radiating groove is too big then influence end cover intensity easily, lead to the end cover easy cracking, in this embodiment, radiating groove 4 is taking tooth fan-type notch, radiating groove 4 is embedded to have the dust screen, and radiating groove 4 designs for taking tooth fan-type notch, and the inside whirl air current that produces of motor just in time is discharged fast along taking tooth fan-type notch cisoid, takes tooth fan-type notch to compare current motor end cover to inside hot gas flow nothing separation, and no vortex, the heat dissipation is faster, simultaneously through configuration dust screen in radiating groove 4, can avoid the inside laying dust of motor to influence the heat dissipation.

Because be equipped with the intensity that a plurality of radiating groove 4 influences the end cover body easily on the end cover body, in this embodiment, strengthening rib 5 is the arc structure, just strengthening rib 5 is arranged in the inboard rotation of end cover body, through the intensity of strengthening rib 5 reinforcement end cover body to do benefit to the inside heat of motor and discharge, strengthening rib 5's strengthening performance is good, and simple structure.

In order to improve the convenience and the practicality of end cover body installation, in this embodiment, the avris of seal limit is equipped with the screw thread, and the mode that the seal limit passes through screw thread and cover installation is convenient simple and easy more, and has improved the practicality of end cover body assembly greatly.

If fixed area on the end cover body is less, then influence the fastness of end cover body installation easily, if the too little then reduces the radiating effect easily of radiating groove 4 setting, in this embodiment, radiating groove 4 is equipped with six at least, fixed orifices 3 and lug 1 are equipped with four at least, riveting recess 2 is equipped with eight at least, and the quantity of above-mentioned radiating groove 4, fixed orifices 3, lug 1 and riveting recess 2 does the utility model provides a preferred scheme, and do not confine the quantity to above-mentioned scheme to guarantee the firm installation of end cover body, keep good thermal diffusivity can.

In order to guarantee riveted fastness and the fastening nature of installing through 3 adaptation screw rods of fixed orifices, in this embodiment, riveting recess 2 is trapezoidal groove structure, the outside of fixed orifices 3 is equipped with firm groove, and above-mentioned riveting recess 2's structure and be equipped with firm groove in the outside of fixed orifices 3 do the utility model provides an optimal scheme, and do not confine to above-mentioned structure, through setting up firm groove, after the screw rod inserts fixed orifices 3, the top of screw rod can be embedded at firm inslot, avoids the top of screw rod to receive external force easily to take place to drop.

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 novel fan blade formula motor end cover, a serial communication port, includes the end cover body, the inboard of end cover body is equipped with the sealed limit, the inboard central point of end cover body puts and is equipped with motor bearing room (6), be equipped with a plurality of radiating groove (4) on the end cover body, just radiating groove (4) encircle motor bearing room (6) and set up, the inboard of end cover body is equipped with strengthening rib (5), just strengthening rib (5) are located between adjacent radiating groove (4), the outside of end cover body encircles and is equipped with a plurality of lug (1), be equipped with the screw hole on lug (1), the outside of end cover body is equipped with a plurality of fixed orifices (3) and a plurality of riveting recess (2).

2. The novel fan blade type motor end cover is characterized in that the heat dissipation groove (4) is a toothed fan blade type notch, and a dust screen is embedded in the heat dissipation groove (4).

3. The novel fan blade type motor end cover is characterized in that the reinforcing ribs (5) are of an arc-shaped structure, and the reinforcing ribs (5) are arranged in a rotating direction inside the end cover body.

4. The novel fan blade type motor end cover as claimed in claim 3, wherein the side of the sealing edge is provided with threads.

5. A new fan blade type motor end cover according to claim 4, characterized in that, the number of the heat dissipation grooves (4) is at least six, the number of the fixing holes (3) and the protrusions (1) is at least four, and the number of the riveting grooves (2) is at least eight.

6. The novel fan blade type motor end cover is characterized in that the riveting groove (2) is of a trapezoidal groove structure, and a stabilizing groove is formed in the outer side of the fixing hole (3).

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