CN208862694U - A kind of series excited machine - Google Patents
A kind of series excited machine Download PDFInfo
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- CN208862694U CN208862694U CN201821766091.XU CN201821766091U CN208862694U CN 208862694 U CN208862694 U CN 208862694U CN 201821766091 U CN201821766091 U CN 201821766091U CN 208862694 U CN208862694 U CN 208862694U
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- shaft
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- circular hole
- hole
- series excited
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Abstract
The utility model discloses a kind of series excited machine, comprising: stator module；Rotor assembly is set in stator module, is included a shaft, the armature core and commutator that are successively sheathed in shaft, is wound with multiple coils on the armature core and is formed with an armature winding, and the armature winding is connect with commutator；And fan blade, it is equipped with a through-hole among it, the through-hole and shaft are interference fitted, and an end face of the through-hole offers chamfering, filled with glue to be formed with an adhesive-layer between the chamfering and shaft, so that the fan blade is fixed in the shaft.Compared with prior art, the utility model series excited machine cancels metal axle sleeve, it is interference fitted by the through-hole of fan blade and the shaft so that the fan blade stabilizing is installed in the shaft, and one end face of through-hole offers chamfering, glue is filled between the chamfering and shaft, can further improve fan blade and shaft assembly reliability, and fan blade can one-pass molding, injection molding cost can be saved.
Description
Technical field
The utility model relates to technical field of motors, relate more specifically to a kind of series excited machine.
Background technique
Motor is a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, its effect is to generate
Driving torque, as electrical appliance or the power source of various machinery.And series excited machine is to realize electronics using commutator and brush
The motor of commutation passes through brush and commutation between stator winding (i.e. excitation winding) therein and rotor windings (i.e. armature winding)
Device is connected in series, and makes motor commutation using electromagnetic principle.Series excited machine is usually equipped with a fan blade, motor fortune in the tail end of its shaft
Amount of heat can be released when making, fan blade can play the role of air discharging and radiating.Currently in order to fan blade is fixed in shaft, usually
One metal axle sleeve is molded into inside fan blade, fan blade and shaft are realized by the interference fit of inner hole of shaft sleeve and spindle outer diameter
Installation, processing cost is higher, and fan blade is in injection molding, it will usually so that inner hole of shaft sleeve and the decentraction of fan blade outer diameter, Bu Nengbao
The synchronous rotary for demonstrate,proving fan blade and axis, there is some potential safety problems.
In consideration of it, more reliable and more stable and lower-cost series excited machine is it is necessary to provide a kind of structure to solve above-mentioned lack
It falls into.
Utility model content
The more reliable and more stable and lower-cost string the technical problem to be solved by the utility model is to provide a kind of structure
Swash motor.
In order to solve the above technical problems, the utility model provides a kind of series excited machine comprising have:
Stator group part；
One rotor assembly is set in the stator module, includes a shaft, the electricity that is successively sheathed in the shaft
Pivot iron core and commutator are wound with multiple coils and are formed with an armature winding on the armature core, and the armature winding
It is connect with commutator；
And a fan blade, it is equipped with a through-hole among it, the through-hole and shaft are interference fitted, and an end face of the through-hole is opened
Equipped with chamfering, filled with glue to be formed with an adhesive-layer between the chamfering and shaft so that the fan blade be fixed on it is described
In shaft.
Its further technical solution are as follows: the through-hole is stepped hole, successively includes along the direction far from rotor assembly
First circular hole and the second circular hole, the diameter of first circular hole less than the second circular hole diameter, the chamfering be opened in this first
The end face of circular hole, first circular hole and the shaft are interference fitted, and are also formed with one between second circular hole and shaft
Adhesive-layer.
Its further technical solution are as follows: the through-hole is stepped hole, successively includes along the direction far from rotor assembly
Second circular hole and the first circular hole, the diameter of first circular hole less than the second circular hole diameter, the chamfering be opened in this first
The end face of circular hole, first circular hole and the shaft are interference fitted, and are also formed with one between second circular hole and shaft
Adhesive-layer.
Its further technical solution are as follows: the fan blade includes a cylindrical body and multiple from the cylindrical body
The flabellum that side wall extends outward, multiple flabellums are formed around the cylindrical body wall outer surface, and described
A mounting plate is equipped in cylindrical body, the mounting plate bottom surface is formed with a cylindrical body, and the through-hole is set to the mounting plate
And on cylindrical body.
Its further technical solution are as follows: the fan blade is shaft flow blade, centrifugal fan or mixed-flow fan blade.
Its further technical solution are as follows: the fan blade is made of plastic cement.
Its further technical solution are as follows: the series excited machine further includes having a upper bearing (metal) being sheathed in the shaft under
Bearing, the shaft sequentially pass through the upper bearing (metal), armature core, commutator and lower bearing, and the blade sleeve is set to described turn
On axis and it is located at one end of the upper bearing (metal) or one end of lower bearing.
Compared with prior art, the utility model series excited machine cancels metal axle sleeve, passes through the through-hole of fan blade and described turn
Axis is interference fitted so that the fan blade stabilizing is installed in the shaft, and one end face of the through-hole offers chamfering, it is described fall
Between angle and shaft be filled with glue, can further improve fan blade and shaft assembly reliability, and fan blade can one-pass molding, can
Save injection molding cost.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model series excited machine first embodiment.
Fig. 2 be series excited machine shown in Fig. 1 A-A to schematic cross-sectional view.
Fig. 3 is the schematic top plan view of fan blade in series excited machine shown in Fig. 1.
Fig. 4 is the schematic cross-sectional view of the B-B direction of fan blade shown in Fig. 3.
Fig. 5 is the schematic perspective view of the utility model series excited machine second embodiment.
Fig. 6 be series excited machine shown in Fig. 5 C-C to schematic cross-sectional view.
Fig. 7 is the schematic top plan view of fan blade in series excited machine shown in Fig. 5.
Fig. 8 be fan blade shown in Fig. 7 D-D to schematic cross-sectional view.
Specific embodiment
To make those skilled in the art that the purpose of this utility model, technical solution and excellent be more clearly understood
Point is further elaborated the utility model below in conjunction with drawings and examples.
Referring to figs. 1 to Fig. 4, Fig. 1 to Fig. 4 illustrates the first embodiment of the utility model series excited machine 1.It is clearer
Show 20 structure of fan blade, stator module is not shown in attached drawing, and in the embodiment shown in the figures, the series excited machine 1 includes
Stator group part, the rotor assembly 10 being set in the stator module and the shaft 101 for being fixed on the rotor assembly 10
On fan blade 20, wherein a through-hole 201 is equipped among the fan blade 20, the through-hole 201 is interference fitted with shaft 101, and should
One end face of through-hole 201 offers chamfering 2013, viscous to be formed with one filled with glue between the chamfering 2013 and shaft 101
Glue-line 40, so that the fan blade 20 is fixed in the shaft 101.Preferably, in the present embodiment, the fan blade 20 uses plastic cement
It is made.Understandably, glue is added from 2013 position of chamfering, and selects mobility preferable, can equally distributed low viscosity glue
Water, it is preferable that in the present embodiment, the addition dosage for the low viscosity glue that automatic glue-dropping device can be used accurately to control without baking,
And an adhesive-layer 40 is formed with by the glue filled between the chamfering 2013 and shaft 101 of the series excited machine 1 of the utility model,
Its adhesive force that can increase fan blade 20 can further improve fan blade 20 and shaft so that fan blade 20 follows 101 synchronous rotary of shaft
The stability and reliability of 101 assembly.Based on above-mentioned design, the utility model series excited machine 1 eliminates metal axle sleeve, then fan blade
20 can be used plastic cement one-pass molding, and both economization metal axle sleeve material cost, can also save injection molding cost；And this is practical new
The series excited machine 1 of type is interference fitted by the through-hole 201 of fan blade 20 with the shaft 101 so that the stabilization of the fan blade 20 is installed on
In the shaft 101, and 201 1 end face of the through-hole offers chamfering 2013, fills between the chamfering 2013 and shaft 101
There is glue, can further improve fan blade 20 and the reliability that shaft 101 is assembled.
Referring to Fig. 3 and Fig. 4, in the embodiment shown in the figures, the fan blade 20 is shaft flow blade comprising a cylinder
The flabellum 203 that shape ontology 202 and multiple side walls from the cylindrical body 202 extend outward, i.e., multiple fans
Leaf 203 is formed around 202 wall outer surface of cylindrical body, and a mounting plate is equipped in the cylindrical body 202
204,204 bottom surface of mounting plate is formed with a cylindrical body 205, and the through-hole 201 is set to the mounting plate 204 and cylindrical body
On 205.Preferably, in the present embodiment, the through-hole 201 is stepped hole, successively includes along the direction far from rotor assembly 10
There are the first circular hole 2011 and the second circular hole 2012, the diameter of the diameter d3 of first circular hole 2011 less than the second circular hole 2012
D2, and the diameter d3 of first circular hole 2011 is less than the diameter d1 of shaft 101, the chamfering 2013 is opened in first circular hole
2011 end face, first circular hole 2011 is interference fitted with the shaft 101, and second circular hole 2012 and shaft 101
Between be also formed with an adhesive-layer 40.In the present embodiment, second circular hole 2012 is set on the mounting plate 204, and described the
One circular hole 2011 and chamfering 2013 are set on the cylindrical body 205, i.e., in the present embodiment, in the fan blade 20 cylindrical body 205 compared with
The mounting plate 204 is close to rotor assembly 10, it will be appreciated that and ground, in some other embodiments, the fan blade 20 can be installed reversely,
The i.e. described mounting plate 204 is compared with cylindrical body 205 close to the rotor assembly 10.It is found that first circular hole 2011 and the second circular hole
2012 successively form the through-hole 201 in stepped ramp type arrangement, and the diameter d2 of second circular hole 2012 is greater than the shaft 101
Diameter d1, i.e., first circular hole 2011 is interference fitted with the shaft 101, and second circular hole 2012 and the shaft
101 clearance fits, and the low viscosity glue without baking is also filled in the gap between the second circular hole 2012 and shaft 101,
To form an adhesive-layer 40, to enhance the intensity of bonding, the stability and reliability of fan blade 20 and the assembly of shaft 101 are improved, it can
Understand that ground, the gap between second circular hole 2012 and the shaft 101 can be configured according to actual needs, i.e., described second
The diameter of circular hole 2012 can be configured according to user demand, then can increase according to actual needs or reduce the filling of glue
Amount.In some other embodiments, centrifugal fan or mixed-flow fan blade can be selected in the fan blade 20.
In certain embodiments, the rotor assembly 10 includes a shaft 101, is successively sheathed in the shaft 101
Armature core 102 and commutator 104, be wound with multiple coils and be formed with an armature winding on the armature core 102
103, i.e., the described armature winding 103 is made of the multiple coils being wound on armature core 102, and the armature winding 103 with
Commutator 104 connects.Shaft 101 described in the present embodiment uses straight body axis, not easy to break, axis low to the processing request of axis
The cost of material is low, cost-saved.It is well known that stator module includes shell, the stator core that is set in the shell
And be wound in the elements such as stator winding on the stator core, it should be noted that the specific structure of stator module and its
Matching relationship etc. between rotor assembly 10 is well known to those skilled in the art, here with regard to no longer being retouched in detail
It states.
In the present embodiment, the series excited machine 1 further includes having a upper bearing (metal) 301 being sheathed in the shaft 101 under
Bearing 302, the shaft 101 sequentially pass through the upper bearing (metal) 301, armature core 102, commutator 104 and lower bearing 302, institute
It states fan blade 20 and is sheathed in the shaft 101 and can be located at one end of the upper bearing (metal) 301 or one end of lower bearing 302.It is found that
In the present embodiment, the fan blade 20 is sheathed on the upper bearing (metal) 301 close to one end of 10 armature core 102 of rotor assembly, then institute
It states shaft 101 and sequentially passes through the upper bearing (metal) 301, the mounting plate 204 of fan blade 20, cylindrical body 205, armature core 102, commutator
104 and lower bearing 302, and in some other embodiments, the other end that the fan blade 20 can be sheathed on the upper bearing (metal) 301 is i.e. remote
One end from rotor assembly 10.Based on above-mentioned design, upper bearing (metal) 301 and lower bearing 302 can reduce rubbing between shaft 101 and shell
Coefficient is wiped, to reduce the frictional resistance being subject in 101 rotation process of shaft.And series excited machine 1 in the utility model is when being powered,
Armature core 102 is the rotation of center axis with shaft 101, and shaft 101 is driven to rotate, to drive the rotation of fan blade 20 true to generate
Air outside series excited machine 1 is sucked by an air port of shell, enters the air in 1 shell of series excited machine by empty whirlpool
Flow through and be discharged from another air port behind the gap between rotor assembly 10 and stator module, i.e., air from an air port enter axially into
In fan blade 20, and from the radial direction discharge of fan blade 20, amount of heat is taken away, the temperature inside series excited machine 1 can be reduced, is convenient for motor
It is cooling, so that motor job stability also can be improved.
The second embodiment of the utility model series excited machine 1 is illustrated referring to Fig. 5 to Fig. 8, Fig. 5 to Fig. 8.The present embodiment with
First embodiment the difference is that, the installation site of 201 structure of through-hole of the fan blade 20 and fan blade 20 is different.In this reality
It applies in example, the through-hole 201 is stepped hole, successively includes the second circular hole 2012 and the along the direction far from rotor assembly 10
One circular hole 2011, less than the diameter d2 of the second circular hole 2012, the chamfering 2013 opened up by the diameter d3 of first circular hole 2011
In the end face of first circular hole 2011, first circular hole 2011 is interference fitted with the shaft 101, and second circular hole
An adhesive-layer 40 is also formed between 2012 and shaft 101.And as shown in fig. 6, the fan blade 20 is installed on institute in the present embodiment
The one end of lower bearing 302 far from rotor assembly 10 is stated, and in some other embodiments, the fan blade 20 can be sheathed on the lower axle
One end of 302 i.e. close 10 commutator 104 of rotor assembly of the other end is held, or is mounted to one end of the upper bearing (metal) 301.
It is found that the mounting plate 204 of cylindrical body 205 is close to rotor assembly 10, second circle in the fan blade 20 in the present embodiment
Hole 2012 is set in the cylindrical body 205, and first circular hole 2011 is set on the cylindrical body 205 and mounting plate 204, described
Chamfering 2013 is set on the mounting plate 204, it will be appreciated that and ground, in some other embodiments, the fan blade 20 can be installed reversely,
The i.e. described mounting plate 204 is compared with cylindrical body 205 close to the rotor assembly 10.
In conclusion the utility model series excited machine cancels metal axle sleeve, through-hole and the shaft interference by fan blade
Cooperate so that the fan blade stabilizing is installed in the shaft, and one end face of the through-hole offers chamfering, the chamfering and turns
Between axis be filled with glue, can further improve fan blade and shaft assembly reliability, and fan blade can one-pass molding, note can be saved
Mould processing cost.
The above is only the preferred embodiment of the present invention, rather than does limit in any form to the utility model
System.Those skilled in the art can impose various equivalent changes and improvement on the basis of the above embodiments, all to want in right
The equivalent variations or modification done in range are sought, should fall within the protection scope of this utility model.
Claims (7)
1. a kind of series excited machine, which is characterized in that the series excited machine includes:
Stator group part；
One rotor assembly is set in the stator module, includes a shaft, the armature iron being successively sheathed in the shaft
Core and commutator are wound with multiple coils and are formed with an armature winding on the armature core, and the armature winding with change
It is connected to device；
And a fan blade, it is equipped with a through-hole among it, the through-hole and shaft are interference fitted, and an end face of the through-hole offers
Chamfering, filled with glue to be formed with an adhesive-layer between the chamfering and shaft, so that the fan blade is fixed on the shaft
On.
2. series excited machine as described in claim 1, it is characterised in that: the through-hole is stepped hole, along far from rotor assembly
Direction successively include the first circular hole and the second circular hole, the diameter of first circular hole less than the second circular hole diameter, it is described
Chamfering is opened in the end face of first circular hole, and first circular hole and the shaft are interference fitted, and second circular hole and turns
An adhesive-layer is also formed between axis.
3. series excited machine as described in claim 1, it is characterised in that: the through-hole is stepped hole, along far from rotor assembly
Direction successively include the second circular hole and the first circular hole, the diameter of first circular hole less than the second circular hole diameter, it is described
Chamfering is opened in the end face of first circular hole, and first circular hole and the shaft are interference fitted, and second circular hole and turns
An adhesive-layer is also formed between axis.
4. series excited machine as described in claim 1, it is characterised in that: the fan blade include a cylindrical body and it is multiple from
The flabellum that the side wall of the cylindrical body extends outward, multiple flabellums are around the cylindrical body side wall appearance
Face and formed, and a mounting plate is equipped in the cylindrical body, the mounting plate bottom surface is formed with a cylindrical body, the through-hole
On the mounting plate and cylindrical body.
5. series excited machine as described in claim 1, it is characterised in that: the fan blade be shaft flow blade, centrifugal fan or
Mixed-flow fan blade.
6. series excited machine as described in claim 1, it is characterised in that: the fan blade is made of plastic cement.
7. series excited machine as described in claim 1, it is characterised in that: the series excited machine further includes having one to be sheathed on described turn
Upper bearing (metal) and lower bearing on axis, the shaft sequentially passes through the upper bearing (metal), armature core, commutator and lower bearing, described
Blade sleeve is set in the shaft and is located at one end of the upper bearing (metal) or one end of lower bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821766091.XU CN208862694U (en) | 2018-10-29 | 2018-10-29 | A kind of series excited machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821766091.XU CN208862694U (en) | 2018-10-29 | 2018-10-29 | A kind of series excited machine |
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| Publication Number | Publication Date |
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| CN208862694U true CN208862694U (en) | 2019-05-14 |
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| CN201821766091.XU Active CN208862694U (en) | 2018-10-29 | 2018-10-29 | A kind of series excited machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088515A (en) * | 2018-10-29 | 2018-12-25 | 东昌电机(深圳)有限公司 | A kind of series excited machine |
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- 2018-10-29 CN CN201821766091.XU patent/CN208862694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088515A (en) * | 2018-10-29 | 2018-12-25 | 东昌电机(深圳)有限公司 | A kind of series excited machine |
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Effective date of registration: 20200226 Address after: 518000 Guangtian green decoration industrial base Park, building 2, No. 86 Xiangyang Road, Yanchuan community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Dongxingchang Technology (Shenzhen) Co., Ltd Address before: 518000, Shenzhen, Guangdong, Baoan District manhole street, Whampoa community, hung Tian Road, hung Tian, Jin Yuan Industrial Zone, building D, A24 third Patentee before: DONGCHANG MOTOR (SHENZHEN) Co.,Ltd. |