CN207947666U - Stator module and composite stepper motor - Google Patents
Stator module and composite stepper motor Download PDFInfo
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- CN207947666U CN207947666U CN201820386557.7U CN201820386557U CN207947666U CN 207947666 U CN207947666 U CN 207947666U CN 201820386557 U CN201820386557 U CN 201820386557U CN 207947666 U CN207947666 U CN 207947666U
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- stator module
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Abstract
The utility model discloses a kind of stator module and composite stepper motors, including stator core, coil rack, coil windings and connector, the connector is integrally formed with coil rack, connector is arranged in the periphery of coil rack and projects radially outwardly setting along coil rack, it is provided with pin holes on the connector, contact pin is installed to by pin holes on connector, and one end of contact pin with the end of coil windings for connecting, and the other end of contact pin with applications end for connecting.Coil rack is structure as a whole with connector, direct injection molding, contact pin is inserted into the pin holes of connector by pin machine, enameled wire the end of a thread of coil windings, which is wrapped on contact pin, directly to be welded, the other end of contact pin with applications end for connecting, it need not be connected using wiring board transition, in favor of improving production efficiency, to reduce production cost.
Description
Technical field
The utility model is related to a kind of stator module and composite stepper motors, belong to stepper motor technical field.
Background technology
Hybrid stepper motor be widely used in the OA equipment such as printer, duplicator, compounding machine, FA equipment and
Industrial equipments such as robot etc..
Existing composite stepper motor connector is two parts with insulation framework, need to be assemblied together use；Winding paint
It is to be connected by wiring board transition between envelope curve the end of a thread and connector pin, enameled wire the end of a thread need to be mounted manually on pad, weldering
Disk is connect with connector pin.A kind of structure as disclosed in patent CN107408867A, the connector shell side of lower insulator
PCB substrate is installed, the other side, which is equipped with insert molding, has the interior side-connector of connector pinout, connector pinout to pass through connection
The through hole of device shell and the through-hole of PCB substrate are electrically connected by solder with the wiring pattern of pcb board, and stator winding end is drawn
To pcb board.This structure, complex process, production cost are high.
In order to reduce production cost, simplifies product structure, be convenient for automated production, improve production efficiency, it is desirable to provide one
The new composite stepper motor structure of kind.
Invention content
Technical problem to be solved in the utility model is：Overcome the deficiencies of the prior art and provide a kind of stator module and
Composite stepper motor, when winding enamel-cover group is connect with connector without being connected with transition by pcb board, to improve production effect
Rate reduces cost.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of stator module, including stator iron
Core, coil rack, coil windings and connector, the connector are integrally formed with coil rack, and connector is arranged in coil bone
The periphery of frame and the setting that projects radially outwardly along coil rack, are provided with pin holes, contact pin passes through contact pin on the connector
Hole is installed on connector, and one end of contact pin with the end of coil windings for connecting, and the other end of contact pin with outside for answering
It is connected with end.
Further, the coil rack includes upper skeleton and lower skeleton, and upper and lower skeleton is inserted on stator core, described
Connector and the upper skeleton or the lower skeleton integrated injection molding.
Further, the connector is provided with recess portion, the contact pin and coil windings close to the side at coil rack center
One end of connection is located in the recess portion.
Further, one end that the contact pin is connect with coil windings has the inclined angle alpha of a bending, inclined angle alpha setting
For：After contact pin is to be parallel to the direction insertion pin holes of pin holes, the one end that should be connect with coil windings is towards recess portion top, i.e.,
Away from the bending of concave bottom direction, the angle of contact pin end and electrical axis after bending is inclined angle alpha.
Further, the contact pin and the peripheral wall upper surface for being higher than above-mentioned recess portion at coil winding wound, also, connector
Upper surface is higher than all arm upper surfaces of above-mentioned recess portion.
Further, the centre of the recess portion is provided with baffle.
Further, the pin holes are arranged in parallel, and are parallel to the center line of connector.
Further, there are six pin holes settings, corresponding contact pin setting there are four or six.
The utility model additionally provides a kind of composite stepper motor, including rotor assembly, upper end cover, bottom end cover, and
The stator module, the stator core that the rotor assembly is located at stator module is interior and cooperating therewith, and the upper end cover is determined
Sub- iron core and bottom end cover run through connection by screw.
After using above-mentioned technical proposal, the utility model has the advantages that：
1) coil rack of the utility model is structure as a whole with connector, and direct injection molding need not individually be bought
Connector, part are reduced, cost reduction, and reduce the assembly technology of connector and coil rack, improve production efficiency；
In addition, contact pin to be inserted into the pin holes of connector by pin machine, enameled wire the end of a thread of coil windings is wrapped on contact pin directly
The other end of welding, contact pin need not be connected using wiring board transition, be produced in favor of improving for being connect with applications end
Efficiency, to reduce production cost；
2) contact pin for carrying certain inclination angle with one end of the enamel-cover wire bonding of coil windings, be on the one hand convenient for around
On the other hand line can reduce the vertical height of contact pin, can thus reduce the depth of cavity of bottom end cover, to reduce motor
Fuselage it is high, save installation space for client；Importantly, the creepage distance between contact pin and end cap can be increased, it is not required to
Add insulating trip that can will separate between contact pin and bottom end cover, to reduce motor manufacturing cost；
3) due to being additionally arranged recess portion on the connectors, when coil rack carries out coiling, there can be coil windings toward recess portion
The phenomenon that direction deviates is kept away so that coil windings are played with certain barrier effect in coiling in the intermediate setting baffle of recess portion
Exempt from coil windings to deviate to recess portion, to be avoided that distance reduction between contact pin and coil windings or contact, avoids climbing risk.
Description of the drawings
Fig. 1 is the configuration schematic diagram of the stator module of the utility model；
Fig. 2 is the installation diagram of the lower skeleton and contact pin of the utility model；
Fig. 3 is the installation diagram of the contact pin and coil windings of the utility model；
Fig. 4 is the lower skeleton of the utility model and the integrated formed structure schematic diagram (being free of contact pin) of connector；
Fig. 5 is I enlarged drawing of Fig. 4；
Fig. 6 is the structural schematic diagram after the contact pin bending of the utility model；
Fig. 7 is the configuration schematic diagram of the composite stepper motor of the utility model；
Fig. 8 is the structural schematic diagram of the composite stepper motor of the utility model；
In figure, 1, screw, 2, bottom end cover, 3, stator module, 4, rotor assembly, 5, upper end cover, 31, stator core, 32, under
Skeleton, 33, upper skeleton, 34, connector, 35, contact pin, 36, coil windings, 37, recess portion, 38, pin holes, 39, baffle, 310, recessed
All arm upper surfaces in portion.
Specific implementation mode
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
Unless not defining, the technical term or scientific term used herein is should be in the utility model fields
The ordinary meaning that personage with general technical ability is understood.It is used in the utility model patent specification and claims
" first ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates there is at least one
It is a.
As shown in Figures 1 to 6, a kind of stator module 3, including stator core 31, coil rack, coil windings 36 and connection
Device 34, the connector 34 are integrally formed with coil rack, and connector 34 is arranged in the periphery of coil rack and along coil rack
Project radially outwardly setting, pin holes 38 are provided on the connector 34, contact pin 35 is installed to connection by pin holes 38
On device 34, for being connect with the end of coil windings 36, the other end of contact pin 35 is used for and applications end for one end of contact pin 35
Connection.By connector 34 and coil rack setting be an integral molding structure, by the end of coil windings 36 directly with connector 34
On contact pin 35 connect, connected by pcb board transition to eliminate, it is simple in structure, and can protect connect reliability.
As shown in Figure 1, the coil rack includes upper skeleton 33 and lower skeleton 32, upper and lower skeleton is inserted into stator core
On 31, the connector 34 and 32 integrated injection molding of the upper skeleton 33 or the lower skeleton.The present embodiment is with connector 34
For being integrally formed with lower skeleton 32, such as Fig. 2.
Fig. 2 shows the concrete structure of lower skeleton 32 and connector, Fig. 3 shows that contact pin and the assembly of coil windings 36 close
System, the connector 34 are provided with recess portion 37 close to the side at coil rack center, and the contact pin 35 is connect with coil windings 36
One end be located in the recess portion 37.The pin holes 38 are mutually parallel, and are parallel to the center line of connector 34, the pin holes
38 setting there are six, corresponding contact pin 35 setting there are four or six.
As shown in fig. 6, one end that the contact pin 35 is connect with coil windings 36 has the inclined angle alpha of a bending, the inclination
Angle α is set as：Contact pin 35 by pin machine be parallel to connector pin hole 38 direction be inserted into pin holes 38 after, should and coil
One end that winding 36 connects deviates from the bending of concave bottom direction, the contact pin end after bending and motor towards 37 top of recess portion
The angle of axis is inclined angle alpha.Bending contact pin makes its inclined purpose：1,35 not bending of contact pin can block the position of winding, no
Energy coiling after 35 bending of contact pin, is convenient for coiling, improves production efficiency；2, it is bent into certain inclined angle alpha, in 35 length of contact pin
When identical, the vertical height of contact pin 35 can be reduced, can thus reduce the depth of cavity of bottom end cover 2, to reduce motor
Fuselage is high, and installation space is saved for client；3, the creepage distance between contact pin 35 and bottom end cover 2 increases, and need not add insulating trip
It will separate between contact pin 35 and bottom end cover 2, to reduce motor manufacturing cost.
As shown in figure 5, the contact pin 35 and the peripheral wall upper surface 310 for being higher than above-mentioned recess portion 37 at 36 winding of coil windings,
Also, the upper surface of connector 34 is higher than all arm upper surfaces 310 of above-mentioned recess portion.It adopts the structure, the upper table of connector 34
Step between face and the peripheral wall upper surface 310 of recess portion can be used for placing automatic welding tooling, contact pin 35 and coil windings 36
It is higher than all arm upper surfaces 310 of above-mentioned recess portion at winding, automatic welding may be implemented, 34 surface of connector will not be injured.
As shown, the centre of the recess portion 37 is provided with baffle 39.Due to being additionally arranged recess portion 37 on connector 34,
When coil rack carries out coiling, there can be the possibility that coil windings 36 are deviated toward 37 direction of recess portion, baffle 39 is additionally arranged, in coiling
When avoid coil windings 36 from being deviated to recess portion, to avoid between contact pin 35 and coil windings 36 distance from reducing or contact, avoid
Climb risk.
On the base of said stator component 3 goes out, a kind of composite stepper motor, including rotor assembly 4, upper end cover 5, lower end
Lid 2 and the stator module 3, the stator core 31 that the rotor assembly 4 is located at stator module 3 is interior and cooperating therewith,
The upper end cover 5, stator core and bottom end cover 2 are by screw 1 through connection.Pass through the connector 34 on stator module 3
It is connect with applications end.
Particular embodiments described above, the technical issues of the utility model is solved, technical solution and advantageous effect into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvements done
Deng should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of stator module (3), it is characterised in that：Including stator core (31), coil rack, coil windings (36) and connection
Device (34), the connector (34) and coil rack are integrally formed, connector (34) be arranged the periphery of coil rack and along
Ring framework projects radially outwardly setting, pin holes (38) is provided on the connector (34), contact pin (35) passes through pin holes
(38) it is installed on connector (34), one end of contact pin (35) is used to connect with the end of coil windings (36), contact pin (35)
The other end with applications end for connecting.
2. stator module (3) according to claim 1, it is characterised in that：The coil rack include upper skeleton (33) and
Lower skeleton (32), upper and lower skeleton are inserted on stator core (31), the connector (34) and the upper skeleton (33) or described
Lower skeleton (32) integrated injection molding.
3. stator module (3) according to claim 2, it is characterised in that：The connector (34) is in coil rack
The side of the heart is provided with recess portion (37), and one end that the contact pin (35) connect with coil windings (36) is located in the recess portion (37).
4. stator module (3) according to claim 3, it is characterised in that：The contact pin (35) connects with coil windings (36)
There is the inclined angle alpha of a bending, the inclined angle alpha to be set as the one end connect：Contact pin (35) is to be parallel to the direction of pin holes (38)
After being inserted into pin holes (38), the one end that should be connect with coil windings (36) deviates from concave bottom side towards recess portion (37) top
To bending, the angle of contact pin end and electrical axis after bending is inclined angle alpha.
5. stator module (3) according to claim 3, it is characterised in that：The contact pin (35) twines with coil windings (36)
Peripheral wall upper surface (310) around place higher than above-mentioned recess portion (37), also, the upper surface of connector (34) is higher than the week of above-mentioned recess portion
Arm upper surface (310).
6. stator module (3) according to claim 3, it is characterised in that：The centre of the recess portion (37) is provided with baffle
(39)。
7. stator module (3) according to claim 1, it is characterised in that：The pin holes (38) are arranged in parallel, and
It is parallel to the center line of connector (34).
8. stator module (3) according to claim 7, it is characterised in that：There are six pin holes (38) settings, accordingly
Contact pin (35) setting there are four or six.
9. a kind of composite stepper motor, it is characterised in that：Including rotor assembly (4), upper end cover (5), bottom end cover (2), and
Such as claim 1 to 8 any one of them stator module (3), the rotor assembly (4) is located at the stator iron of stator module (3)
In core (31) and cooperating therewith, the upper end cover (5), stator core (31) and bottom end cover (2) are by screw (1) through company
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386557.7U CN207947666U (en) | 2018-03-21 | 2018-03-21 | Stator module and composite stepper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386557.7U CN207947666U (en) | 2018-03-21 | 2018-03-21 | Stator module and composite stepper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947666U true CN207947666U (en) | 2018-10-09 |
Family
ID=63698281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820386557.7U Active CN207947666U (en) | 2018-03-21 | 2018-03-21 | Stator module and composite stepper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947666U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617268A (en) * | 2019-01-25 | 2019-04-12 | 广州市瑞宝电器有限公司 | A kind of stepper motor |
| CN112688477A (en) * | 2020-12-16 | 2021-04-20 | 江苏雷利电机股份有限公司 | Stator assembly and motor using same |
| DE102021100305A1 (en) | 2021-01-11 | 2022-07-14 | Nidec Corporation | Electric motor with stator overmoulded by injection molding |
-
2018
- 2018-03-21 CN CN201820386557.7U patent/CN207947666U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617268A (en) * | 2019-01-25 | 2019-04-12 | 广州市瑞宝电器有限公司 | A kind of stepper motor |
| CN109617268B (en) * | 2019-01-25 | 2024-04-26 | 广州市瑞宝电器有限公司 | Stepping motor |
| CN112688477A (en) * | 2020-12-16 | 2021-04-20 | 江苏雷利电机股份有限公司 | Stator assembly and motor using same |
| DE102021100305A1 (en) | 2021-01-11 | 2022-07-14 | Nidec Corporation | Electric motor with stator overmoulded by injection molding |
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| GR01 | Patent grant |