CN206041693U - Stable form motor cover - Google Patents

Abstract

The utility model discloses a stable form motor cover includes the lid, shaft hole on the lid, bearing frame and spacing seat three set up and all are located the center of lid with one heart, the shaft hole pierces through the lid, the periphery that the bearing frame was located in the inner chamber and the spacing seat of apron in bearing frame and spacing seat, be provided with the height that the bearing and the bearing height are greater than the bearing frame in the bearing frame, be provided with the elasticity locating part in the spacing seat, the inside and outside both sides of elasticity locating part are hugged closely and are exposed in the bearing wall of bearing frame and spacing seat in order to carry out radical location to the bearing at the bearing. The new skew in order to avoid the bearing of this practicality by this adopts the bearing frame to carry out fixed mounting to the bearing, when considering wearing and tearing that the bearing frame probably appears or tolerance problem again, go on the bearing through the elasticity locating part further spacing, and the elasticity locating part since can elastic deformation consequently can the compensating shaft bearing wearing and tearing or the bearing radical location failure that the tolerance led to the fact, and then result in motor shaft diameter runout problem.

Description

A kind of stable type motor cover

Technical field

The utility model is related to machine field, more particularly to a kind of stable type motor cover.

Background technology

Conventional motors end cap, is mostly flat-disc formula end cover structure, its solid consuming material, and mechanical strength is not high and presses During casting, internal structure is loose, and area is less and causes heat-transfer effect poor, also there is certain potential safety hazard.Needs are important to note that , traditional forward and backward motor cover is to be made using steel material and need to be heat-treated, and operation is also more；Should The forward and backward motor cover shape of class usually outside is larger and the inside is less, when outside is screwed in above motor casing, inner Space is produced between the less part meeting in side and motor, the concentricity issues and bearing for eventually resulting in motor shaft are easily ground with cover Damage.And the axiality between motor shaft and axis hole, accuracy are poor, therefore can there are problems that.

So, how to design that a kind of axiality is high, accuracy is good and will not circular runout stable type motor cover just into For the problem that the field is explored for a long time.

Utility model content

The technical problem that the utility model is solved is to overcome Shortcomings in above-mentioned prior art and provide a kind of stable Type motor cover, it is characterised in that including lid, the lid are provided with axis hole, bearing block and limit base, the axis hole, axle Bearing and limit base three are arranged concentrically and are respectively positioned on the center of lid, and the axis hole penetrates lid, bearing block and spacing seat The periphery of bearing block is located in the inner chamber and limit base of cover plate, bearing is provided with the bearing block and bearing height is more than bearing The height of seat, is provided with elastic spacing one, is close to bearing and exposes inside and outside the elastic spacing one in the limit base In the bearing wall and limit base of bearing block carrying out radial positioning to bearing.

The utility model can also be further perfect by following technical measures：

Used as further improving, the elastic spacing one is rubber ring.

Used as further improving, the lid is circle, and the inner surface of the outer peripheral edge of lid is the conical surface.

As further improving, the multiple fixed seats for penetrating lid surfaces externally and internally on the lid, are provided with.

As further improving, multiple louvres for penetrating lid surfaces externally and internally between fixed seat, are provided with.

Used as further improving, the bearing block and limit base are formed in one.

Used as further improving, the lid is made up of stainless steel.

Used as further improving, the elastic spacing one detachable connection is on limit base.

As a result of above technical measures, the utility model at least has following Advantageous Effects：

1st, the utility model is felt relieved to motor shaft by bearing, so as to solve in prior art motor shaft with Axiality, accuracy between axis hole is poor, therefore can there are problems that.In order to avoid the skew of bearing, adopt Bearing block is fixed installation to bearing, it is also contemplated that when the abrasion that is likely to occur of bearing block or tolerance issues, by elasticity limit Position part carries out further spacing to bearing, and elastic spacing one is due to abrasion that is resiliently flexible therefore can compensating bearing block Or the bearing radial positioning failure that tolerance is caused, and then cause motor shaft circular runout problem.And elastic spacing one is detachable Connection, can be changed when damaging in time.

2nd, the inner surface of the outer peripheral edge by lid of the present utility model is the conical surface and can be with the conical surface of casing operationally Closely connection is conducive to improving stability when motor is installed.And the simple structure of whole stable type motor cover, it is easy to processing, into This is relatively low, and operation is less, long service life, steady quality.

3rd, the utility model disperses the big calorimetric produced when motor internal works by arranging louvre Amount, the cooling for being more beneficial for motor and the life-span for extending motor.And setting heat sink strip then can be significantly on the outer surface of lid Increase the contact area of lid and the external world, so as to the rapid radiating of motor.

Description of the drawings

Fig. 1 is the stereogram of stable type motor cover of the present utility model.

Specific embodiment

Further details of elaboration is done to the utility model below in conjunction with accompanying drawing.

Of the present utility model a kind of stable type motor cover as shown in accompanying drawing 1 includes lid 1, and the lid 1 is provided with Axis hole 11, bearing block 12 and limit base 13, the axis hole 11, bearing block 12 and 13 three of limit base are arranged concentrically and are respectively positioned on lid The center of body 1.The bearing block 12 and limit base 13 are formed in one.The axis hole 11 penetrates lid 1, bearing block 12 and limit Position seat 13 be located at cover plate 1 inner chamber and limit base 13 located at bearing block 12 periphery, be provided with the bearing block 12 bearing 2 and 2 height of bearing is provided with elastic spacing one 3 more than the height of bearing block 12 in the limit base 13, the elastic spacing one is Rubber ring.Be close to inside and outside the elastic spacing one 3 bearing 2 expose to the bearing wall and limit base 13 of bearing block 12 with Radial positioning is carried out to bearing 2.Thereby the utility model is felt relieved to motor shaft by bearing 2, existing so as to solve Axiality, accuracy in technology between motor shaft and axis hole 11 is poor, therefore can there are problems that.In order to avoid The skew of bearing 2, is fixed installation using bearing block 12 to bearing 2, it is also contemplated that the abrasion that is likely to occur of bearing block 12 or During tolerance issues, bearing 2 is carried out by elastic spacing one 3 further spacing, and elastic spacing 3 is due to resiliently flexible Therefore the bearing radial positioning failure that the abrasion of bearing block 12 or tolerance are caused can be compensated, and then causes motor shaft circular runout Problem.And 3 detachable connection of elastic spacing one, can change in time when damaging.

The multiple fixed seats 14 for penetrating 1 surfaces externally and internally of lid are provided with the lid, and the lid 1 is stainless steel Into being provided with multiple louvres 15 for penetrating 1 surfaces externally and internally of lid between fixed seat 14.Thereby the utility model is by arranging radiating The good conductance of the heat of hole 15 and stainless steel main body more has so as to disperse the amount of heat produced when motor internal works The life-span of cooling and prolongation motor beneficial to motor.And heat sink strip is set on the outer surface of lid（Do not show in figure）Can be significantly Increase lid 1 and extraneous contact area, so as to the rapid radiating of motor.

The lid 1 is circle, and the inner surface of the outer peripheral edge of lid is the conical surface 16.By the conical surface 16 and motor other The conical surface on partial casing is combined, and the overall closely connection of motor can be caused to be conducive to improving stability when motor is installed. And the simple structure of whole stable type motor cover, it is easy to processing, cost is relatively low, and operation is less, long service life, steady quality.

Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvements done etc. are should be included within the scope of protection of the invention.

Claims (8)

1. a kind of stable type motor cover, it is characterised in that including lid, the lid are provided with axis hole, bearing block and spacing Seat, the axis hole, bearing block and limit base three are arranged concentrically and are respectively positioned on the center of lid, and the axis hole penetrates lid, axle Bearing and limit base are located at the inner chamber and limit base of cover plate located at the periphery of bearing block, are provided with bearing and axle in the bearing block Height of the height more than bearing block is held, elastic spacing one is provided with the limit base, inside and outside the elastic spacing one Be close to bearing expose to the bearing wall and limit base of bearing block radial positioning is carried out to bearing.

2. stable type motor cover according to claim 1, it is characterised in that the elastic spacing one is rubber ring.

3. stable type motor cover according to claim 1, it is characterised in that the lid is circle, and the periphery of lid The inner surface of edge is provided with the conical surface corresponding with motor casing.

4. stable type motor cover according to claim 1, it is characterised in that be provided with the lid and penetrate inside and outside lid Multiple fixed seats on surface.

5. stable type motor cover according to claim 4, it is characterised in that be provided between the fixed seat and multiple penetrate lid The louvre of internal outer surface.

6. stable type motor cover according to claim 1, it is characterised in that the bearing block and limit base are integrated into Type.

7. stable type motor cover according to claim 1, it is characterised in that the lid is made up of stainless steel.

8. stable type motor cover according to claim 1, it is characterised in that the elastic spacing one detachable connection exists On limit base.