CN209104937U - A kind of stepper motor - Google Patents
A kind of stepper motor Download PDFInfo
- Publication number
- CN209104937U CN209104937U CN201821813087.4U CN201821813087U CN209104937U CN 209104937 U CN209104937 U CN 209104937U CN 201821813087 U CN201821813087 U CN 201821813087U CN 209104937 U CN209104937 U CN 209104937U
- Authority
- CN
- China
- Prior art keywords
- support frame
- bearing
- stepper motor
- moulding
- locating piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of stepper motors, including coil support frame, the coil being set around on coil support frame, the rotor assembly that can be rotated in coil support frame, and prelocalization lid and rear locating cover for set winding support frame, the rotor assembly includes shaft and the magnet being sheathed in shaft, the rear locating cover includes to cooperate with prelocalization lid with the rear locating cover ontology of set winding support frame, it is connected to the locating piece of rear locating cover ontology end face, it is used to support the bearing of shaft and the moulding for bearing to be fixed on the positioning block, the rear locating cover ontology and prelocalization lid cooperates with set winding support frame, the locating piece is equipped at least two connecting holes, the moulding is equipped with the connector in insertion connecting hole, insertion injection molding is equipped on the locating piece and around each connecting hole Reinforcer in part；It can be shortened the length of motor entirety, improve stepper motor to the adaptability of installation environment.
Description
[technical field]
The utility model relates to a kind of stepper motors.
[background technique]
In stepper motor, there is good wear-resisting and endurance quality using bearing made of powdered metallurgical material, adapt to
High temperature, the ability of low temperature are also stronger, are fixed on motor body using bearing made of powdered metallurgical material in the prior art
Outside, this causes the length of motor longer, has biggish requirement to installation environment.
The utility model is to research and propose in view of the deficiencies of the prior art.
[utility model content]
The technical problem to be solved by the present invention is to provide a kind of stepper motors, can be shortened the length of motor entirety, mention
Adaptability of the high stepper motor to installation environment.
In order to solve the above technical problems, a kind of stepper motor of the utility model, including coil support frame, it is set around coil
Coil on support frame, the rotor assembly that can be rotated in coil support frame and the prelocalization for set winding support frame
Lid and rear locating cover, the rotor assembly include shaft and the magnet that is sheathed in shaft, the rear locating cover include with
The cooperation of prelocalization lid is with the rear locating cover ontology of set winding support frame, the locating piece for being connected to rear locating cover ontology end face, use
Bearing in support shaft and moulding for bearing to be fixed on the positioning block, the rear locating cover ontology with it is preceding fixed
Position lid cooperation is with set winding support frame, and the locating piece is equipped at least two connecting holes, and the moulding is equipped with
The connector being embedded in connecting hole is equipped with the reinforcement in insertion moulding on the locating piece and around each connecting hole
Part.
A kind of stepper motor as described above, the reinforcer includes the reinforcer ontology in hollow round table shape, described
The end of reinforcer ontology is equipped with annular flange.
A kind of stepper motor as described above, sets that there are five around the equally distributed connection of bearing on the locating piece
Hole.
A kind of stepper motor as described above, the bearing outer ring are equipped with and combine between bearing and moulding for improving
The annular knurl of power.
A kind of stepper motor as described above, the bearing are made of powdered metallurgical material.
The middle part of a kind of stepper motor as described above, the magnet outer ring is equipped with annular mouth.
Compared with prior art, the utility model has the advantages that
1, bearing is fixed in rear locating cover ontology by the utility model by moulding, can be shortened the length of motor entirety
Degree improves stepper motor to the adaptability of installation environment.
[Detailed description of the invention]
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the exploded view of the utility model；
Fig. 3 is the exploded view of rear locating cover in the utility model；
Fig. 4 is the three-dimensional cutaway view of rear locating cover in the utility model；
Fig. 5 is the side view of locating piece in the utility model；
Fig. 6 is the cross-sectional view in Fig. 5 along the direction A-A.
[specific embodiment]
It elaborates with reference to the accompanying drawing to the embodiments of the present invention.
As shown in Figures 1 to 6, a kind of stepper motor of the present embodiment, including coil support frame 1, it is set around coil support
Coil 2 on frame 1, the rotor assembly 3 that can be rotated in coil support frame 1 and the prelocalization for set winding support frame 1
Lid 4 and rear locating cover 5, the rotor assembly 3 include shaft 31 and the magnet 32 being sheathed in shaft 31, the rear positioning
Lid 5 includes to cooperate with prelocalization lid 4 with the rear locating cover ontology 51 of set winding support frame 1, be connected to rear locating cover ontology 51
The locating piece 52 of end face, the bearing 53 for being used to support shaft 31 and the moulding for being fixed on bearing 53 on locating piece 52
54, and moulding 54 is located in rear locating cover ontology 51, the bearing 53 is made of powdered metallurgical material, and described is rear fixed
Position lid ontology 51 cooperates with prelocalization lid 4 with set winding support frame 1, and the locating piece 52 is equipped at least two connecting holes
521, the moulding 54 is equipped with the connector 541 in insertion connecting hole 521, on the locating piece 52 and around each
A connecting hole 521 is equipped with the reinforcer 522 in insertion moulding 54.The utility model is fixed after being fixed on bearing by moulding
In the lid ontology of position, the length of motor entirety can be shortened, improve stepper motor to the adaptability of installation environment.
In order to improve the reliability connected between moulding and locating piece 52, reinforcer 522 includes in hollow round table shape
The end of reinforcer ontology 5221, the reinforcer ontology 5221 is equipped with annular flange 5222.
In order to further increase the reliability connected between moulding and locating piece 52, set that there are five surround on locating piece 52
The equally distributed connecting hole 521 of bearing 53.
In order to improve the reliability connected between moulding and bearing 53,53 outer ring of bearing is equipped with for improving axis
Hold the annular knurl of the binding force between moulding 54.
It is equipped with annular mouth 321 at the middle part of 32 outer ring of magnet, the static attraction between rotor set valence and coil can be reduced,
Reduce noise and the vibration of stepper motor.
Claims (6)
1. a kind of stepper motor, it is characterised in that including coil support frame (1), the coil being set around on coil support frame (1)
(2), the rotor assembly (3) that can be rotated in coil support frame (1) and the prelocalization lid for set winding support frame (1)
(4) and rear locating cover (5), the rotor assembly (3) include shaft (31) and the magnet (32) being sheathed on shaft (31), institute
The rear locating cover (5) stated includes to cooperate with the rear locating cover ontology (51) of set winding support frame (1), even with prelocalization lid (4)
Connect rear locating cover ontology (51) end face locating piece (52), be used to support the bearing (53) of shaft (31) and for by bearing
(53) moulding (54) being fixed on locating piece (52), the rear locating cover ontology (51) and prelocalization lid (4) cooperate with
Set winding support frame (1), the locating piece (52) are equipped at least two connecting holes (521), the moulding (54)
Equipped with the connector (541) in insertion connecting hole (521), on the locating piece (52) and each connecting hole is surrounded
(521) reinforcer (522) being equipped in insertion moulding (54).
2. a kind of stepper motor according to claim 1, it is characterised in that the reinforcer (522) includes in hollow circle
The end of the reinforcer ontology (5221) of mesa-shaped, the reinforcer ontology (5221) is equipped with annular flange (5222).
3. a kind of stepper motor according to claim 2, it is characterised in that enclosed there are five being set on the locating piece (52)
Around bearing (53) equally distributed connecting hole (521).
4. a kind of stepper motor according to any one of claims 1 to 3, it is characterised in that described bearing (53) outer ring is set
There is the annular knurl for improving binding force between bearing and moulding (54).
5. a kind of stepper motor according to claim 4, it is characterised in that the bearing (53) uses powder metallurgy material
Material is made.
6. a kind of stepper motor according to claim 1, it is characterised in that the middle part of described magnet (32) outer ring is equipped with
Annular mouth (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813087.4U CN209104937U (en) | 2018-11-05 | 2018-11-05 | A kind of stepper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813087.4U CN209104937U (en) | 2018-11-05 | 2018-11-05 | A kind of stepper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104937U true CN209104937U (en) | 2019-07-12 |
Family
ID=67158184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821813087.4U Active CN209104937U (en) | 2018-11-05 | 2018-11-05 | A kind of stepper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI723609B (en) * | 2019-11-01 | 2021-04-01 | 高明鐵企業股份有限公司 | Stepper motor |
-
2018
- 2018-11-05 CN CN201821813087.4U patent/CN209104937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI723609B (en) * | 2019-11-01 | 2021-04-01 | 高明鐵企業股份有限公司 | Stepper motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |