CN203368209U - Motor and fireproof plate of motor - Google Patents

Abstract

The utility model provides a motor and a fireproof plate of the motor. The fireproof plate comprises a plate body. One end surface of the plate body is provided with at least one protrusion stand which extends outwardly from the end surface along direction vertical to the end surface. Each protrusion stand is provided with a threaded hole which penetrates through the protrusion stand and the plate body. Besides, the fireproof plate is made of fireproof materials. The motor is provided with two end covers, and a cavity is formed by the two end covers in an enclosing way. The cavity is internally provided with a rotator and a rotor. The end wall of each end cover is provided with at least one heat radiating hole, wherein the internal side of at least one end cover is provided with the aforementioned fireproof plate. The external surface of the protrusion stand is adjacent to the internal surface of the end wall. Besides, the end wall of the end cover is provided with at least one through hole. Each through hole is connected with one threaded hole in an abutting way. One screw penetrates through the through hole and is inserted into the threaded hole from the external part of the end cover. The motor provided by the utility model can ensured effective heat radiation, and safety potential hazards caused by the fact that burning materials and other materials penetrate through the heat radiating hole are avoided simultaneously.

Description

Motor and PLASTIC LAMINATED thereof

Technical field

The utility model relates to machine field, especially relates to a kind of PLASTIC LAMINATED of iron-shell motor use and the motor with this PLASTIC LAMINATED.

Background technology

Motor is widely used in the various electric equipments of industrial production and life, referring to Fig. 1, existing motor has two end caps 11,12, two end caps 11,12 surround a cavity, stator 15 and rotor 18 are installed in cavity, and stator 15 has stator core 16 and is embedded into the winding coil 17 on stator core 16.Rotor 18 is arranged in stator 15, and can be with respect to stator 15 rotations.Armature spindle 19 is arranged in rotor 18, and with rotor 18 interference fit, armature spindle 19 rotates under the drive of rotor 18, thus outside outputting power.

Produce a large amount of heats while moving due to motor, the temperature of motor internal, because heat can't leave and raise in time, affects the useful life of motor.For the heat in motor is left, existing part motor arranges louvre on end cap, as shown in Figure 2, the end wall 21 that the end cap 20 that existing a kind of motor uses has a circle, the periphery of end wall 21 is provided with circular perisporium 22, and the middle part of end wall 21 is provided with axis hole 23, armature spindle can and stretch out end cap 20 through axis hole 23.End wall 21 is provided with the louvre 24 of four strips, and each louvre 24 all is positioned near on the periphery of end cap 20, and is evenly arranged on end wall 21.The heat produced during the motor operation can be dispersed into the motor outer wall by louvre 24, thereby reduces the temperature in the motor cavity.

But, moving the situations such as generation is on fire, combustion machine once motor, the combustible substance in motor or electric spark etc. just may pass the louvre 24 of end cap 20 and emerge, and cause the combustible burning of electric motor end cap 20 outsides, cause motor to have potential safety hazard.

Summary of the invention

Main purpose of the present utility model is to provide a kind of PLASTIC LAMINATED of avoiding the motors of emerging such as combustible substance in motor that has.

Another purpose of the present utility model is to provide a kind of effectively avoiding and emerges and cause the motor of potential safety hazard because of combustible substance.

For realizing main purpose of the present utility model, the PLASTIC LAMINATED that the motor that the utility model provides is used has plate body, an end face of plate body be provided with at least one from end face along perpendicular to the outward extending boss of end face direction, each boss is provided with the screwed hole that runs through boss and plate body, and PLASTIC LAMINATED is made by fire proofing material.

From such scheme, a plurality of boss are set on PLASTIC LAMINATED, and a plurality of screwed holes are set, therefore PLASTIC LAMINATED can be fixed by screws in the end cap inboard of motor, and because of the existence of boss, can not dock between end cap and PLASTIC LAMINATED, when guaranteeing that heat can pass the louvre of end cap, avoid combustible substance or electric spark etc. through louvre.Because PLASTIC LAMINATED is made by fire proofing materials such as nylon, anti-caoutchouc, effectively intercept combustible substance or electric spark is emerged from louvre.

A preferred scheme is, the quantity of boss is more than two, and a plurality of boss are arranged on the periphery of plate body.

As can be seen here, by a plurality of boss, separate the plate body of PLASTIC LAMINATED and the end wall of end cap, be conducive to heat and flow out louvre between the end wall of the plate body of PLASTIC LAMINATED and end cap.

For realizing another purpose of the present utility model, the motor that the utility model provides has end cap, end cap surrounds a cavity, stator and rotor are installed in cavity, the end wall of end cap is provided with at least one louvre, wherein, at least one end cap installed inside has a PLASTIC LAMINATED of being made by fire proofing material, PLASTIC LAMINATED has plate body, an end face of plate body be provided with at least one from end face along perpendicular to the outward extending boss of end face direction, each boss is provided with the screwed hole that runs through boss and plate body, the outer surface of boss and the abutment of end wall, and at least one through hole is set on the end wall of end cap, each through hole docks with a screwed hole, one screw passes through hole and inserts in screwed hole from the outside of end cap.

From such scheme, inboard at end cap arranges the PLASTIC LAMINATED of being made by fire proofing material, and can avoid the interior combustible substance of motor or electric spark etc. to pass louvre, and be provided with boss between the plate body of PLASTIC LAMINATED and the end wall of end cap, avoid plate body and end wall adjacency, be conducive to heat and leave from louvre in time.Visible, the motor of application said structure, when avoiding heat accumulation, effectively avoid the potential safety hazard caused because of motors of emerging such as combustible substances.

A preferred scheme is that the end of screw is positioned at screwed hole.

As can be seen here, the end of screw is positioned at screwed hole, does not pass screwed hole, therefore can be to other devices in the motor cavity, as stator coil etc. impacts, just can not affect normal operation and the work of motor yet.

The accompanying drawing explanation

Fig. 1 be existing motor partly cut open figure.

Fig. 2 is the end cover structure figure of existing motor.

Fig. 3 is the local structural graph of the utility model motor embodiment.

Fig. 4 is the structure chart of end cap in the utility model motor embodiment.

Fig. 5 is the structure chart of the utility model motor PLASTIC LAMINATED embodiment.

Fig. 6 is that in the utility model motor embodiment, PLASTIC LAMINATED is installed to the structure enlarged drawing after end cap.

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Embodiment

Referring to Fig. 3, the motor of the present embodiment has 30,40, two end caps 30,40 of end cap that are positioned at the motor both sides and surrounds a cavity.Stator and rotor are installed in cavity, and stator has stator core and is embedded into the winding coil 31 on stator core, and rotor is arranged in stator, and can rotate with respect to stator.The middle part of rotor offers shaft hole, and armature spindle is installed in shaft hole, armature spindle and shaft hole interference fit, and armature spindle rotates with the rotation of rotor, thus outside outputting power.

Referring to Fig. 4 and Fig. 6, end cap 40 has the end wall 41 of a circle, and end wall 41 is positioned at the outermost end of motor, and the periphery of end wall 41 is provided with perisporium 42, and perisporium 42 is circular, and perpendicular to end wall 41.The middle part of end wall 41 is provided with axis hole 43, and armature spindle can and stretch out end cap 40 through axis hole 43 in motor.

End wall 41 is provided with the louvre 44 of four strips, so that the dissipation of heat produced when motor is moved is outside motor.Four louvres 44 are arranged near on the periphery of end wall 41, and upwards are evenly arranged in the week of end wall 41.Simultaneously, end wall 41 is provided with 45, four through holes of through hole 45 of four circles and arranges with louvre 44 intervals, and four through holes 45 upwards were evenly arranged in the week of end wall 41.

The installed inside of end cap 40 has a PLASTIC LAMINATED 50, referring to Fig. 5, PLASTIC LAMINATED 50 has circular plate body 51, and an end face 52 of plate body 51 is provided with four square projections 53, and each projection 53 is all to stretch out along the direction perpendicular to end face 52 from end face 52.Projection 53 is provided with the screwed hole 54 that runs through projection 53 and plate body 51, in screwed hole 54, is provided with internal thread.As seen from Figure 5, four projections 53 are positioned on the periphery of plate body 51, and upwards are evenly arranged in the week of plate body 51.

PLASTIC LAMINATED 50 is made by fire proofing material, as made by materials such as nylon, anti-caoutchoucs, and nonflammable, effectively cut off the ejection of combustible substance or electric spark.

When PLASTIC LAMINATED 50 is installed to end cap 40, PLASTIC LAMINATED 50 is provided with to the inner surface of a side of projection 53 near end cap 40 end walls 41, as shown in Figure 4, the abutment of the outer surface of projection 53 and end wall 41.And the screwed hole 54 on projection 53 docks with the through hole 45 on end wall 41.Like this, use screw 56 pass through hole 45 and insert in screwed hole 54 screw-internal thread fit of the external screw thread of screw 56 and screwed hole 54 from the outside of end cap 40.

In the present embodiment, the end of screw 56 is positioned at screwed hole 54, and the end of screw 56 does not exceed screwed hole 54, to avoid other devices in 56 pairs of motors of screw, as stator winding coil 31 impacts.

In addition, due to the projection 53 of PLASTIC LAMINATED 50 and end wall 41 abutment of end cap 40, so form gap between plate body 51 and end wall 41.Like this, the heat produced during the motor operation can flow to louvre 44 by the gap between plate body 51 and end wall 41, and flows out from louvre 44.

And, plate body 51 is 3 millimeters with the distance of end wall 41, because the manufactured materials of PLASTIC LAMINATED 50 is the fire-proof insulation material, stator winding coil 31 can contact non-boss place 55 on the end face 52 of plate body 51 still can guarantee that the electric insulation distance of motor is more than or equal to 3 millimeters.

Because louvre 44 is positioned at end cap 41 near peripheral region, and PLASTIC LAMINATED 50 is circular, therefore the plate body 51 that louvre 44 is PLASTIC LAMINATED 50 near motor internal one side, like this, even produce combustible substance or electric spark in motor, combustible substance or electric spark can't pass louvre 44 because of the obstruct of PLASTIC LAMINATED 50, also just can't in motor, spray, and effectively avoid the potential safety hazard of motor.

Certainly, above-described embodiment is only the preferred embodiment of the utility model, in actual application, more change can also be arranged, for example, the quantity that projection is set on PLASTIC LAMINATED can, for more than one or two, correspondingly, also arrange the through hole of equal number on the end wall of end cap; Perhaps, a plurality of projections upwards arranged asymmetrically in the week of PLASTIC LAMINATED, and such change also can realize the purpose of this utility model.

The variations such as change of the manufactured materials of the change of number of slugs or shape, PLASTIC LAMINATED finally it is emphasized that the utility model is not limited to above-mentioned execution mode, as also should be included in the protection range of the utility model claim.

Claims (10)

1. the PLASTIC LAMINATED of motor, is characterized in that: comprise

Plate body, an end face of described plate body be provided with at least one from described end face along perpendicular to the outward extending boss of described end face direction, each described boss is provided with the screwed hole that runs through described boss and described plate body, and described PLASTIC LAMINATED is made by fire proofing material.

2. the PLASTIC LAMINATED of motor according to claim 1 is characterized in that:

Described plate body is circular.

3. the PLASTIC LAMINATED of motor according to claim 1 and 2 is characterized in that:

The quantity of described boss is more than two, and a plurality of described boss are arranged on the periphery of described plate body.

4. the PLASTIC LAMINATED of motor according to claim 3 is characterized in that:

A plurality of described boss are evenly arranged on the periphery of described plate body.

5. motor, comprise

End cap, described end cap surrounds a cavity, and stator and rotor are installed in described cavity, and the end wall of described end cap is provided with at least one louvre;

It is characterized in that:

At least one described end cap installed inside has a PLASTIC LAMINATED of being made by fire proofing material, described PLASTIC LAMINATED has plate body, an end face of described plate body be provided with at least one from described end face along perpendicular to the outward extending boss of described end face direction, each described boss is provided with the screwed hole that runs through described boss and described plate body;

The outer surface of described boss and the abutment of described end wall, and on the described end wall of described end cap, at least one through hole is set, each described through hole docks with a described screwed hole, and a screw passes described through hole and inserts in described screwed hole from the outside of described end cap.

6. motor according to claim 5 is characterized in that:

The end of described screw is positioned at described screwed hole.

7. according to the described motor of claim 5 or 6, it is characterized in that:

Distance between described plate body and described end wall is 3 millimeters.

8. according to the described motor of claim 5 or 6, it is characterized in that:

Described plate body is circular.

9. according to the described motor of claim 5 or 6, it is characterized in that:

The quantity of described boss is more than two, and a plurality of described boss are arranged on the periphery of described plate body.

10. according to the described motor of claim 5 or 6, it is characterized in that:

A plurality of described boss are evenly arranged on the periphery of described plate body.

Images