CN206135597U - Motor and have its garden instrument - Google Patents

Abstract

The utility model discloses a motor and have its garden instrument, the motor includes first end cover, the second end cover, stator module and rotor subassembly, first end cover and the cooperation of second end cover form a portion of holding, stator module mutually supports and lies in the portion of holding with the rotor subassembly, the motor is single -output axle motor, the rotor subassembly includes the pivot, the one end of pivot is the output, assemble when into holding when the rotor subassembly, the protruding outer terminal surface that stretches out first end cover of output, first end cover periphery is equipped with rigid coupling portion, the motor passes through rigid coupling portion and installs to other part department, first end cover is metal end cap, the second end cover is plastic end cover, when a motor works, the second end cover only receives the rolling friction of second bearing, can ignore. The utility model discloses a motor will produce the less end cover of stress and design into plastic end cover, guarantee the motor wholeness can the basis on, can greatly reduced material and mould manufacturing cost, do benefit to the cost control of product.

Description

Motor and the garden instrument with which

Technical field

This utility model is related to a kind of motor and the garden instrument with which.

Background technology

At present, direct current garden tool set, such as hand mower, grass rake mechine etc., are the normal work for realizing machine, need to match somebody with somebody Conjunction uses motor.

In prior art, electric motor end cap generally uses aluminum material, such as aluminium alloy etc..

Although electric motor end cap made by aluminum alloy materials is with good heat dispersion and shock resistance, material cost It is all higher with processing cost.

Utility model content

The purpose of this utility model is to provide a kind of motor and the garden instrument with which.

To realize one of above-mentioned utility model purpose, one embodiment of this utility model provides a kind of motor, the motor Including the first end cap, the second end cap, stator module and rotor assembly, first end cap and second end cap cooperatively form one Receiving portion, the stator module are cooperated with the rotor assembly and are located in described accommodation section, and the motor is single output Spindle motor, the rotor assembly include rotating shaft, and one end of the rotating shaft is outfan, when the rotor assembly is assembled into the appearance Receive portion when, the outfan protrudes out the outer face of first end cap, and it is affixed that the periphery of first end cap is provided with least one Portion, the motor are fixedly installed on toolroom machine by the Fixed Division, wherein, first end cap be metal end, institute The second end cap is stated for plastic end cover.

Used as the further improvement of one embodiment of this utility model, second end cap is nylon end cap.Further Ground, second end cap are PA6 nylon end caps, PA66 nylon end caps, PA610 nylon end caps, PA612 nylon end caps, PA1010 In nylon end cap, PA46 nylon end caps, PA6T nylon end caps, PA9T nylon end caps, MCPA nylon end caps, modification of nylon end cap At least one.

Used as the further improvement of one embodiment of this utility model, first end cap is aluminum end cap.

Used as the further improvement of one embodiment of this utility model, the motor also includes fixture, the first end At least one first matching hole is covered with, second end cap is provided with least one second matching hole, and the stator module is provided with least One the 3rd matching hole, the fixture sequentially pass through first matching hole, the 3rd matching hole and second matching hole And connect first end cap, the stator module and second end cap.

Used as the further improvement of one embodiment of this utility model, the 3rd matching hole is located at the stator module Periphery, the 3rd matching hole are groove and/or through hole.

As the further improvement of one embodiment of this utility model, when the stator module is assembled into described accommodation section When, described accommodation section exposes the part stator module.

As the further improvement of one embodiment of this utility model, the outward flange of first end cap, second end The outward flange of lid protrudes out the outward flange of the stator module.

Used as the further improvement of one embodiment of this utility model, the motor is DC brushless motor.

Used as the further improvement of one embodiment of this utility model, the outer face area of first end cap is more than described The outer face area of the second end cap.

To realize one of above-mentioned utility model purpose, one embodiment of this utility model provides a kind of garden instrument, including As above the motor described in any one technical scheme.

Compared with prior art, the beneficial effects of the utility model are：The motor of one embodiment of this utility model will The less end cover designs of stress can substantially reduce material and mould into nylon end cap on the basis of motor overall performance is ensured Tool manufacturing cost, beneficial to the cost control of product.

Description of the drawings

Fig. 1 is the garden instrument sectional view of one embodiment of this utility model；

Fig. 2 is the electric machine structure schematic diagram of one embodiment of this utility model；

Fig. 3 is the motor explosive view of one embodiment of this utility model；

Fig. 4 is the motor sectional view of one embodiment of this utility model.

Specific embodiment

This utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party Formula is not intended to limit this utility model, and one of ordinary skill in the art is made according to these embodiments

Structure, method or conversion functionally are all contained in protection domain of the present utility model.

Clearly to express position described in this utility model and direction, this utility model use for example " on ", The term of the representation space relative position such as " top ", D score, " lower section " is in order to be easy to descriptive purpose to describe as in accompanying drawing A shown unit or feature are relative to another unit or the relation of feature.The term of relative space position can be intended to bag Include different azimuth of the equipment in use or work in addition to orientation shown in figure.For example, if the equipment in figure is overturn, Then be described as being located at other units or feature " lower section " or " under " unit will be positioned at other units or feature " top ".Cause This, exemplary term " lower section " can include above and below both orientation.Equipment otherwise can be directed（Rotation 90 degree or other directions）, and correspondingly explain used herein and space correlation description language.

As shown in figure 1, one embodiment of this utility model provides a kind of garden instrument 100, garden instrument 100 includes electricity Pond pack assembly 10, casing 20 and the motor 30 in casing 20, panel 40.Garden instrument 100 concretely hay mover, Grass-mowing machine, grass rake mechine, chain saw etc..

In the present embodiment, so that garden instrument 100 is as hay mover as an example, the garden instrument 100 is also included by motor 30 drive the cutting blade 50 for rotating, the roller 70 being rotatably arranged in below casing 20 and user are supplied above casing 20 The push rod 80 of hand push.

With reference to Fig. 2 to Fig. 4, it is the schematic diagram of the motor 30 of one embodiment of this utility model.

It should be noted that the motor 30 described in present embodiment is not limited in above-mentioned garden instrument 100, motor 30 can also be used in other toolroom machines.

In addition, the motor 30 of present embodiment is by taking the DC brushless motor of single output shaft as an example, but it is not limited.

In the present embodiment, the motor 30 includes the first end cap 31, the second end cap 32, stator module 33 and rotor set Part 34, first end cap 31 and second end cap 32 cooperatively form receiving portion S, the stator module 33 and the rotor Component 34 cooperates and at the S of described accommodation section.

Specifically, stator module 33 is connected with cable 331, and cable 331 is fixed on the second end cap 32 by cable cover 332 On, but be not limited.

Stator module 33 is hollow cylindrical configuration, and 33 surrounding rotor component 34 of stator module arranges.

Rotor assembly 34 includes rotating shaft, and one end of rotating shaft is outfan 341, when the rotor assembly 34 is assembled into the appearance Receive portion S when, the outfan 341 protrudes out the outer face of first end cap 31.

Rotating shaft is additionally provided with clutch shaft bearing 342 between the inner surface of the side of outfan 341 and the first end cap 31, with auxiliary Help the rotation process of rotor assembly 34.

Rotating shaft is non-outfan 343 away from one end of outfan 341, rotor assembly 34 by the non-outfan 343 with Second end cap 32 is flexibly connected.

Rotating shaft is additionally provided with pad 344, the second axle between the inner surface of the side of non-outfan 343 and the second end cap 32 345 and collar 346 are held, with the rotation process of secondary rotor component 34.

Rotor assembly 34 is prior art with other schematic illustrations of stator module 33, be will not be described here.

When stator module 33 is powered, stator module 33 is interacted with rotor assembly 34 and produces electromagnetic torque, so as to turn 34 relative stator component 33 of sub-component is rotated, rotating shaft and 34 synchronous axial system of rotor assembly, and the outfan 341 of now rotating shaft just can band Dynamic miscellaneous part（Such as cutting blade 50）Work.

Here, commutation component can be also set（Do not indicate）, to control the rotation process of rotor assembly 34.

In the present embodiment, the motor 30 also include fixture 35, fixture 35 by taking screw as an example, but not as Limit.

First end cap 31 is provided with least one first matching hole 311, and second end cap 32 is provided with least 1 second and matches somebody with somebody Hole 321 is connect, the stator module 33 is provided with least one the 3rd matching hole 333.

The fixture 35 sequentially passes through first matching hole 311, the 3rd matching hole 333 and described second connects Hole 321 and connect first end cap 31, the stator module 33 and second end cap 32.

Here, so that the outline of the first end cap 31, the second end cap 32 and stator module 33 is generally circular as an example.

The periphery of the first end cap 31 is evenly distributed with some first matching holes 311, and the periphery of the second end cap 32 is uniformly distributed The periphery for having some second matching holes 321, stator module 33 is distributed with some 3rd matching holes 333.

When the stator module 33 is assembled into described accommodation section S, described accommodation section S exposes the part stator module 33。

That is, when fixture 35 connects first end cap 31, the stator module 33 and second end cap 32 Afterwards, the zone line of the first end cap 31 and the second end cap 32 exposes the outward flange of the stator module 33, and stator module 33 upper surface and lower surface abut second end cap 32 and first end cap 31 respectively.

The outward flange of first end cap 31, the outward flange of second end cap 32 protrude out the stator module 33 Outward flange, 33 essence of stator module are arranged in the state that inside contracts, but are not limited.

In addition, the 3rd matching hole 333 can be groove and/or through hole, but it is not limited.

The matching relationship of the first end cap 31, the second end cap 32 and stator module 33 is not limited with described above, can be according to reality Depending on the situation of border.

In the present embodiment, first end cap 31 is metal end, and second end cap 32 is plastic end cover.

Here, when the motor 30 is in some application scenarios, such as motor 30 in the occasion that need not be worked long hours, Impact of the heat dissipation characteristics of the first end cap 31 and the second end cap 32 to the performance of motor 30 itself is little, now, by the first end cap 31 Remain metal end, and the second end cap 32 be changed to into plastic end cover, not only can ensure 30 integral heat sink effect of motor and Intensity, it is often more important that, the moulding process of plastic material is simple, is adapted to produce in enormous quantities, so as to substantially reduce material and processing Cost.Further, the second end cap 32 is preferably nylon end cap.

In addition, in the present embodiment, the periphery of first end cap 31 is provided with an at least Fixed Division 312, the motor 30 are attached at miscellaneous part by the Fixed Division 312, here, are fixedly installed to by Fixed Division 312 with motor 30 and are cut As a example by careless machine body.

Specifically, when motor 30 works, rotor assembly 34 can produce opposing torque, the opposing torque to stator module 33 Act on stator module 33, stator module 33 is made with the rotation trend contrary with 34 rotation direction of rotor assembly.

As stator module 33 is fixedly connected by fixture 35 with the first end cap 31, the second end cap 32, so the rotation Trend can be delivered to the first end cap 31 and the second end cap 32.

First end cap, 31 essence is directly fixedly linked with hay mover body, thus hay mover body can be subject to prevent first end Lid 31 rotates the torque of trend.That is, now the first end cap 31 is subject to acting on for two torques in opposite direction, one is Stator module 33 acts on the torque contrary with 34 rotation direction of rotor assembly of direction on the first end cap 31, and another is to mow Machine body acts on the direction on the first end cap 31 and 34 rotation direction identical torque of rotor assembly, and the two are in opposite direction Torque makes the first end cap 31 itself have the trend for deforming upon, and then the first end cap 31 produces stress and resists this deformation.Cause Only it is connected with hay mover body by the first end cap 31 for whole motor 30, so hay mover body prevents the first end cap 31, determines Sub-component 33 and the second end cap 32 rotate the torque of trend and are acted on the first end cap 31 completely, so requiring the first end cap 31 With higher intensity and impact resistance.

As the second end cap 32 is only by the rolling friction of second bearing 345, therefore the power that the second end cap 32 is subject to is minimum, can To ignore.That is, the second end cap 32 and need not be very high intensity and impact resistance.

In this case, it is complete the second end cap 32 to be designed to the poor nylon end cap of the strength of materials and impact resistance Can with, the bulk strength of motor 30 still can be protected.

In the present embodiment, second end cap 32 is PA6 nylon end caps, PA66 nylon end caps, PA610 nylon end Lid, PA612 nylon end caps, PA1010 nylon end caps, PA46 nylon end caps, PA6T nylon end caps, PA9T nylon end caps, MCPA Buddhist nun At least one in imperial end cap, modification of nylon end cap.

First end cap 31 is preferably aluminum end cap, and such as the first end cap 31 is made up of aluminum alloy materials.

In the present embodiment, outer face face of the outer face area of first end cap 31 more than second end cap 32 Product.

That is, present embodiment can do big first end cap 31 as far as possible, to further ensure that the overall strong of motor 30 Degree and heat dispersion.

For example, can be by the diameter design in the circular outer ends face of the first end cap 31 into the circular outer ends more than the second end cap 32 The diameter in face, or the first end cap 31 include Fixed Division 312 whole outer face area be more than 32 outer face face of the second end cap Product, but be not limited.

It should be understood that, although this specification is been described by according to embodiment, but not each embodiment only includes one Individual independent technical scheme, this narrating mode of description is only that those skilled in the art will should say for clarity Bright book as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, forming those skilled in the art can With the other embodiment for understanding.

Those listed above is a series of to describe the tool for being only for feasibility embodiment of the present utility model in detail Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from this utility model skill spirit Equivalent implementations or change are should be included within protection domain of the present utility model.

Claims (10)

1. a kind of motor（30）, the motor（30）Including the first end cap（31）, the second end cap（32）, stator module（33）And turn Sub-component（34）, first end cap（31）And second end cap（32）Cooperatively form a receiving portion（S）, the stator module （33）With the rotor assembly（34）Cooperate and be located at described accommodation section（S）It is interior, the motor（30）For single output shaft electricity Machine, the rotor assembly（34）Including rotating shaft, one end of the rotating shaft is outfan（341）, it is characterised in that when the rotor Component（34）It is assembled into described accommodation section（S）When, the outfan（341）Protrude out first end cap（31）Outer face, First end cap（31）Periphery be provided with an at least Fixed Division（312）, the motor（30）By the Fixed Division（312）And It is fixedly mounted on toolroom machine, wherein, first end cap（31）For metal end, second end cap（32）For plastic end Lid.

2. motor according to claim 1（30）, it is characterised in that second end cap（32）For nylon end cap.

3. motor according to claim 1（30）, it is characterised in that first end cap（31）For aluminum end cap.

4. motor according to claim 1（30）, it is characterised in that the motor（30）Also include fixture（35）, institute State the first end cap（31）It is provided with least one first matching hole（311）, second end cap（32）It is provided with least one second matching hole （321）, the stator module（33）It is provided with least one the 3rd matching hole（333）, the fixture（35）Sequentially pass through described One matching hole（311）, the 3rd matching hole（333）And second matching hole（321）And connect first end cap（31）、 The stator module（33）And second end cap（32）.

5. motor according to claim 4（30）, it is characterised in that the 3rd matching hole（333）Positioned at the stator Component（33）Periphery, the 3rd matching hole（333）For groove and/or through hole.

6. motor according to claim 4（30）, it is characterised in that when the stator module（33）It is assembled into the receiving Portion（S）When, described accommodation section（S）Expose the part stator module（33）.

7. motor according to claim 6（30）, it is characterised in that first end cap（31）Outward flange, described Two end caps（32）Outward flange protrude out the stator module（33）Outward flange.

8. motor according to claim 1（30）, it is characterised in that the motor（30）For DC brushless motor.

9. motor according to claim 1（30）, it is characterised in that first end cap（31）Outer face area be more than Second end cap（32）Outer face area.

10. a kind of garden instrument（100）, it is characterised in that include the motor as described in any one in claim 1-9（30）.