CN203840071U - Plastic-encapsulation stepper motor - Google Patents
Plastic-encapsulation stepper motor Download PDFInfo
- Publication number
- CN203840071U CN203840071U CN201420241826.2U CN201420241826U CN203840071U CN 203840071 U CN203840071 U CN 203840071U CN 201420241826 U CN201420241826 U CN 201420241826U CN 203840071 U CN203840071 U CN 203840071U
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- stator
- rotating shaft
- bulge loop
- plastic packaging
- sealing
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Abstract
The utility model belongs to the stepper motor technical field and relates to a plastic-encapsulation stepper motor. With the plastic-encapsulation stepper motor adopted, problems of poor sealing performance, complex structure and being too heavy of a stepper motor in the prior art can be solved. The plastic-encapsulation stepper motor comprises a cylindrical stator; a rotating shaft penetrates the stator; a rotor is fixed on the rotating shaft; one end of the stator is provided with a first protruding ring; the other end of the stator is provided with a second protruding ring; the periphery of the stator is wrapped with a plastic-encapsulation layer which extends to the inner sides of the first protruding ring and the second protruding ring respectively; one end of the stator is provided with a front end cover; the other end of the stator is provided with a rear end cover; two ends of the rotating shaft extend out from the front end cover and the rear end cover respectively; a winding in the stator is connected with a lead-out wire; the lead-out wire extends out from the plastic-encapsulation layer; and the lead-out wire extends into a side hole. The plastic-encapsulation stepper motor of the utility model has the advantages of more reasonable design, simple structure, low cost and excellent sealing performance, and satisfies requirements of modern society development.
Description
Technical field
The utility model belongs to stepping motor technical field, especially relates to a kind of plastic packaging stepping motor.
Background technology
Stepping motor is the open ring control device that electric impulse signal is changed into angular displacement or displacement of the lines.The problem such as stepping motor of the prior art exists that motor seal is poor, complex structure, motor are overweight, cannot meet current people's demand; For this reason, people have carried out long-term exploration, have proposed various solutions.
For example, Chinese patent literature discloses a kind of stepping motor [application number: 201320418222.6], comprises motor body, and described motor body inside is equipped with rotating shaft, and outside, described rotating shaft one end cover has axle sleeve; Motor body two ends are equipped with respectively front motor cover and motor rear cover, and described motor rear cover outside is equipped with an isolator, and described isolator endoporus and described axle sleeve are suitable, and isolator and rotating shaft regulate.This stepping motor technological requirement is not high, and cost is lower, and locking moment is large, and functional reliability is good.
Although above-mentioned scheme has improved the performance of stepping motor to a certain extent, this scheme still exists fails thoroughly to solve above-mentioned technical problem, secondly, the technique of this scheme is too simple, cause stepping motor poor sealing, Use Limitation rate is low, does not meet the needs of social development.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides that a kind of design is more reasonable and simple in structure, the plastic packaging stepping motor of good airproof performance.
For achieving the above object, the utility model has adopted following technical proposal: this plastic packaging stepping motor comprises tubular stator, in stator, be equipped with rotating shaft, in rotating shaft, be fixed with rotor, one end of described stator has the first bulge loop, the other end has the second bulge loop, be coated with plastic packaging layer and plastic packaging layer in the periphery of stator and extend to respectively the first bulge loop and the second bulge loop inner side, described stator one end is provided with front end housing, the other end is provided with rear end cap, described rotating shaft two ends pass respectively front end housing and rear end cap, described front end housing inner side has the first cannelure and the first bulge loop inserts in the first cannelure, described rear end cap inner side has the second cannelure and the second bulge loop inserts in the second cannelure, winding in described stator is connected with lead-out wire, described lead-out wire passes plastic packaging layer, the second described cannelure sidepiece is provided with side opening, described lead-out wire extends in side opening, plastic packaging layer, bulge loop and groove fit make the better and plastic packaging layer of stepping motor sealing property replace traditional motor housing can reduce cost to alleviate the weight of stepping motor, meet the needs of modern social development.
In above-mentioned plastic packaging stepping motor, between the first described bulge loop and stator, form the first step that is positioned at the first bulge loop outside, described inner side, front end housing end is provided with the first inclined-plane, and the first described inclined-plane is positioned at first step place and the first sealing ring is pressed on first step; Between the second described bulge loop and stator, form the second step that is positioned at the second bulge loop outside, described inner side, rear end cap end is provided with the second inclined-plane, and the second described inclined-plane is positioned at second step place and the second sealing ring is pressed on second step.
In above-mentioned plastic packaging stepping motor, between described front end housing and rotating shaft, be provided with clutch shaft bearing, be provided with the first axle sealing structure between front end housing and rotating shaft in the outside of clutch shaft bearing; Between described rear end cap and rotating shaft, be provided with the second bearing, be provided with the second axle sealing structure between rear end cap and rotating shaft in the outside of the second bearing.
In above-mentioned plastic packaging stepping motor, the first described axle sealing structure comprises the first sealing bracing frame that is fixed on front end housing and is L-type, on the first sealing bracing frame, be provided with the first L-type jaws and be embedded with the first seal in the first L-type jaws, the first described seal has some the first sealing lips that contact with rotating shaft; The second described axle sealing structure comprises the second sealing bracing frame that is fixed on rear end cap and is L-type, on the second sealing bracing frame, be provided with the second L-type jaws and be embedded with the second seal in the second L-type jaws, the second described seal has some the second sealing lips that contact with rotating shaft.
In above-mentioned plastic packaging stepping motor, described stator is built up by some steel discs, is provided with some winding bodies in stator inner side, and the inner of described winding body has some teeth groove.
In above-mentioned plastic packaging stepping motor, on described front end housing, there is annular installation portion, described annular installation portion is provided with some installing holes.
Compared with prior art, the advantage of this plastic packaging stepping motor is: it is more reasonable, simple and compact for structure to design, good airproof performance, and job stability is high, meets the needs of modern social development.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram that the utility model provides.
Fig. 2 is the partial enlarged drawing of A portion in Fig. 1.
Fig. 3 is the partial enlarged drawing of B portion in Fig. 1.
Fig. 4 is the partial enlarged drawing of C portion in Fig. 1.
Fig. 5 is the stator sectional structure schematic diagram that the utility model provides.
Fig. 6 is the stator side TV structure schematic diagram that the utility model provides.
In figure, stator 1, the first bulge loop 11, the second bulge loop 12, front end housing 13, the first cannelure 13a, the first inclined-plane 13b, the first sealing ring 13c, rear end cap 14, the second cannelure 14a, the second inclined-plane 14b, the second sealing ring 14c, first step 15, second step 16, winding body 17, teeth groove 17a, rotating shaft 2, rotor 21, plastic packaging layer 3, lead-out wire 4, side opening 5, clutch shaft bearing 6, the first axle sealing structure 61, the first sealing bracing frame 61a, the first L-type jaws 61b, the first seal 61c, the first sealing lip 61d, the second bearing 7, the second axle sealing structure 71, the second sealing bracing frame 71a, the second L-type jaws 71b, the second seal 71c, the second sealing lip 71d, annular installation portion 8, installing hole 81.
Embodiment
As shown in Fig. 1-6, this plastic packaging stepping motor comprises tubular stator 1, in stator 1, be equipped with rotating shaft 2, in rotating shaft 2, be fixed with rotor 21, one end of described stator 1 has the first bulge loop 11, the other end has the second bulge loop 12, be coated with plastic packaging layer 3 and plastic packaging layer 3 in the periphery of stator 1 and extend to respectively the first bulge loop 11 and the second bulge loop 12 inner sides, described stator 1 one end is provided with front end housing 13, the other end is provided with rear end cap, described rotating shaft 2 two ends pass respectively front end housing 13 and rear end cap, described front end housing 13 inner sides have first ring the first cannelure 13a and the first bulge loop 11 inserts in first ring the first cannelure 13a, described rear end cap inner side has the second cannelure 14a and the second bulge loop 12 inserts in the second cannelure 14a, winding in described stator 1 is connected with lead-out wire 4, described lead-out wire 4 passes plastic packaging layer 3, the second described cannelure 14a sidepiece is provided with side opening 5, described lead-out wire 4 extends in side opening 5, plastic packaging layer 3, bulge loop and groove fit make the better and plastic packaging layer 3 of stepping motor sealing property replace traditional motor housing can reduce cost to alleviate the weight of stepping motor, meet the needs of modern social development.
Concrete, in above-mentioned plastic packaging stepping motor, between the first described bulge loop 11 and stator 1, form the first step 15 that is positioned at the first bulge loop 11 outsides, described front end housing 13 inner sides, end are provided with the first inclined-plane 13b, and the first described inclined-plane 13b is positioned at first step 15 places and the first sealing ring 13c is pressed on first step 15; Between the second described bulge loop 12 and stator 1, form the second step 16 that is positioned at the second bulge loop 12 outsides, described inner side, rear end cap end is provided with the second inclined-plane 14b, the second described inclined-plane 14b is positioned at second step 16 places and the second sealing ring 14c is pressed on second step 16, between described front end housing 13 and rotating shaft 2, be provided with clutch shaft bearing 6, be provided with the first axle sealing structure 61 between front end housing 13 and rotating shaft 2 in the outside of clutch shaft bearing 6; Between described rear end cap and rotating shaft 2, be provided with the second bearing 7, be provided with the second axle sealing structure 71 between rear end cap and rotating shaft 2 in the outside of the second bearing 7, the first described axle sealing structure 61 comprises the first sealing bracing frame 61a that is fixed on front end housing 13 and is L-type, on the first sealing bracing frame 61a, be provided with the first L-type jaws 61b and be embedded with the first seal 61c in the first L-type jaws 61b, the first described seal 61c has some the first sealing lip 61d that contact with rotating shaft 2; The second described axle sealing structure 71 comprises the second sealing bracing frame 71a that is fixed on rear end cap and is L-type, on the second sealing bracing frame 71a, be provided with the second L-type jaws 71b and be embedded with the second seal 71c in the second L-type jaws 71b, the second described seal 71c has some the second sealing lip 71d that contact with rotating shaft 2; The use refinement of the second axle sealing structure 71 between the first axle sealing structure 61 in the present embodiment between front end housing 13 and rotating shaft 2 and rear end cap and rotating shaft 2, the first sealing ring 13c, the second sealing ring 14c, the first seal 61c, the second seal 71c etc. the sealing step of the present embodiment, sealing property is had to a good guarantee.
Further, in the present embodiment, described stator 1 is built up by some steel discs, be provided with some winding bodies 17 in stator 1 inner side, the inner of described winding body 17 has some teeth groove 17a, on described front end housing 13, have annular installation portion 8, described annular installation portion 8 is provided with some installing holes 81, is convenient to install.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used stator 1 herein, the first bulge loop 11, the second bulge loop 12, front end housing 13, the first cannelure 13a, the first inclined-plane 13b, the first sealing ring 13c, rear end cap 14, the second cannelure 14a, the second inclined-plane 14b, the second sealing ring 14c, first step 15, second step 16, winding body 17, teeth groove 17a, rotating shaft 2, rotor 21, plastic packaging layer 3, lead-out wire 4, side opening 5, clutch shaft bearing 6, the first axle sealing structure 61, the first sealing bracing frame 61a, the first L-type jaws 61b, the first seal 61c, the first sealing lip 61d, the second bearing 7, the second axle sealing structure 71, the second sealing bracing frame 71a, the second L-type jaws 71b, the second seal 71c, the second sealing lip 71d, annular installation portion 8, installing hole 81 terms such as grade, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (6)
1. a plastic packaging stepping motor, comprise tubular stator (1), in stator (1), be equipped with rotating shaft (2), in rotating shaft (2), be fixed with rotor (21), it is characterized in that, one end of described stator (1) has the first bulge loop (11), the other end has the second bulge loop (12), be coated with plastic packaging layer (3) and plastic packaging layer (3) in the periphery of stator (1) and extend to respectively the first bulge loop (11) and the second bulge loop (12) inner side, described stator (1) one end is provided with front end housing (13), the other end is provided with rear end cap (14), described rotating shaft (2) two ends pass respectively front end housing (13) and rear end cap (14), described front end housing (13) inner side has the first cannelure (13a) and the first bulge loop (11) inserts in the first cannelure (13a), described rear end cap (14) inner side has the second cannelure (14a) and the second bulge loop (12) inserts in the second cannelure (14a), winding in described stator (1) is connected with lead-out wire (4), described lead-out wire (4) passes plastic packaging layer (3), described the second cannelure (14a) sidepiece is provided with side opening (5), described lead-out wire (4) extends in side opening (5).
2. plastic packaging stepping motor according to claim 1, it is characterized in that, between described the first bulge loop (11) and stator (1), form the first step (15) that is positioned at the first bulge loop (11) outside, inner side, described front end housing (13) end is provided with the first inclined-plane (13b), and described the first inclined-plane (13b) is positioned at that first step (15) is located and the first sealing ring (13c) is pressed on first step (15); Between described the second bulge loop (12) and stator (1), form the second step (16) that is positioned at the second bulge loop (12) outside, described inner side, rear end cap (14) end is provided with the second inclined-plane (14b), and described the second inclined-plane (14b) is positioned at second step (16) and locates and the second sealing ring (14c) is pressed on second step (16).
3. plastic packaging stepping motor according to claim 1 and 2, it is characterized in that, between described front end housing (13) and rotating shaft (2), be provided with clutch shaft bearing (6), be provided with the first axle sealing structure (61) being positioned between front end housing (13) and rotating shaft (2) in the outside of clutch shaft bearing (6); Between described rear end cap (14) and rotating shaft (2), be provided with the second bearing (7), be provided with the second axle sealing structure (71) being positioned between rear end cap (14) and rotating shaft (2) in the outside of the second bearing (7).
4. plastic packaging stepping motor according to claim 3, it is characterized in that, described the first axle sealing structure (61) comprises the first sealing bracing frame (61a) that is fixed on front end housing (13) above and is L-type, on the first sealing bracing frame (61a), be provided with the first L-type jaws (61b) and be embedded with the first seal (61c) in the first L-type jaws (61b), described the first seal (61c) has some the first sealing lips (61d) that contact with rotating shaft (2); Described the second axle sealing structure (71) comprises the second sealing bracing frame (71a) that is fixed on rear end cap (14) above and is L-type, on the second sealing bracing frame (71a), be provided with the second L-type jaws (71b) and be embedded with the second seal (71c) in the second L-type jaws (71b), described the second seal (71c) has some the second sealing lips (71d) that contact with rotating shaft (2).
5. plastic packaging stepping motor according to claim 4, it is characterized in that, described stator (1) is built up by some steel discs, be provided with some winding bodies (17) in stator (1) inner side, the inner of described winding body (17) has some teeth groove (17a).
6. plastic packaging stepping motor according to claim 1 and 2, it is characterized in that, on described front end housing (13), have annular installation portion (8), described annular installation portion (8) is provided with some installing holes (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241826.2U CN203840071U (en) | 2014-05-12 | 2014-05-12 | Plastic-encapsulation stepper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241826.2U CN203840071U (en) | 2014-05-12 | 2014-05-12 | Plastic-encapsulation stepper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840071U true CN203840071U (en) | 2014-09-17 |
Family
ID=51517866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241826.2U Expired - Fee Related CN203840071U (en) | 2014-05-12 | 2014-05-12 | Plastic-encapsulation stepper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203840071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552839B (en) * | 2022-01-27 | 2024-04-19 | 浙江联宜电机有限公司 | High-performance brushless motor |
-
2014
- 2014-05-12 CN CN201420241826.2U patent/CN203840071U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552839B (en) * | 2022-01-27 | 2024-04-19 | 浙江联宜电机有限公司 | High-performance brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |