CN211127380U - Plastic package motor with anti-loosening end cover - Google Patents
Plastic package motor with anti-loosening end cover Download PDFInfo
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- CN211127380U CN211127380U CN202020030396.5U CN202020030396U CN211127380U CN 211127380 U CN211127380 U CN 211127380U CN 202020030396 U CN202020030396 U CN 202020030396U CN 211127380 U CN211127380 U CN 211127380U
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- end cover
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Abstract
The utility model discloses a plastic envelope motor that end cover locking takes off, including plastic casing, end cover, cylinder stator support, winding, insulating plastic barrel, stator, join in marriage dress seat, pivot and rotor, the one end of plastic casing is enclosed construction, and the other end of plastic casing is open structure, and the end cover is through the open end tip of first set screw fixed mounting at plastic casing, cylinder stator support fixed mounting on plastic casing's inner wall. The utility model discloses, the stable performance, long service life, it utilizes the elasticity of spring to apply an outside thrust all the time to the end cover to make the end cover form a restraint power to first set screw, and then can prevent effectively that first set screw is not hard up, further reach the purpose that prevents effectively that the end cover pine from taking off, utilize second set screw and connecting seat to cooperate and form another restraint to the end cover, thereby can guarantee that the end cover can not become flexible at the long-term moving in-process of plastic envelope motor yet.
Description
Technical Field
The utility model relates to the technical field of motors, specifically be a plastic envelope motor of locking taking off of end cover.
Background
The plastic package motor is a motor which integrally packages a stator core, a winding and the like of the motor by using engineering plastics (such as BMC) by adopting a plastic package technology, wherein a rotor is positioned in a cavity in the middle of a plastic package shell, an end cover covers an open end of the plastic package shell, and the bonding force between the end cover and the plastic package stator shell after assembly needs to meet certain requirements (such as more than or equal to 1000N) so as to meet the performance index requirements of motor vibration, cold and hot shock or long-term operation.
In the prior art, the rear end cover of the plastic package motor and the plastic shell are of an integrated structure, the front end cover and the plastic shell are combined through assembly, however, the front end cover can be loosened in the long-term operation process of the existing plastic package motor, so that the performance stability of the plastic package motor is influenced, and the service life of the plastic package motor is further shortened.
Therefore, the plastic package motor with the anti-loosening end cover is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic envelope motor that end cover locking takes off, stable performance, long service life, it utilizes the elasticity of spring to apply an outside thrust all the time to the end cover, thereby make the end cover form a constraining force to first set screw, and then can prevent effectively that first set screw is not hard up, further reach the purpose that effectively prevents the end cover pine and take off, utilize second set screw and connecting seat to cooperate and form another constraint to the end cover, thereby can guarantee that the end cover can not become flexible at the long-term moving in-process of plastic envelope motor yet, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a plastic package motor with an anti-loosening end cover comprises a plastic shell, an end cover, a cylindrical stator support, a winding, an insulating plastic cylinder, a stator, a mounting seat, a rotating shaft and a rotor, wherein one end of the plastic shell is of a closed structure, the other end of the plastic shell is of an open structure, the end cover is fixedly mounted at the end part of the open end of the plastic shell through a first fixing screw, the cylindrical stator support is fixedly mounted on the inner wall of the plastic shell, the winding is arranged in a ring shape and is fixedly mounted on the inner wall of the cylindrical stator support, the insulating plastic cylinder is fixedly mounted on one side surface of the winding, which is opposite to the cylindrical stator support, the stator is arranged in a ring shape and is fixedly mounted on the inner wall of the insulating plastic cylinder, the mounting seat is fixedly mounted on the inner end wall of the closed end of the, the rotating shaft is arranged on a central axis of the insulating plastic cylinder, one end of the rotating shaft is fixedly arranged at the central position of the assembling seat through a first rolling bearing, the other end of the rotating shaft is fixedly arranged at the central position of the end cover through a second rolling bearing, the rotating shaft extends to the outside of the end cover, a first annular limiting groove is formed in the inner side wall of the end cover, a second annular limiting groove is formed in the end face, facing the end cover, of the cylindrical stator support, and a spring in a compressed state is arranged between the second annular limiting groove and the first annular limiting groove.
Through adopting above-mentioned technical scheme, pass through first set screw fixed mounting at the open end tip of plastic casing with the end cover, and seted up first annular spacing groove on the inside wall of end cover, and seted up second annular spacing groove on the terminal surface of cylinder stator support orientation end cover, still install the spring that is in compression state between second annular spacing groove and first annular spacing groove, an outside thrust is applyed all the time to the end cover to the elasticity of usable spring like this, thereby make the end cover form a binding power to first set screw, and then can effectively prevent that first set screw is not hard up, further reach the mesh that effectively prevents the end cover pine and take off.
Preferably, the first annular limiting groove, the second annular limiting groove, the rotating shaft and the end cover are all concentrically arranged.
Through adopting above-mentioned technical scheme, all set up first annular spacing groove, second annular spacing groove, pivot and end cover with one heart for this plastic envelope motor centre of gravity is more stable when operation, can avoid producing the vibration.
Preferably, the exterior of the spring is sprayed with a polyurethane insulating layer.
Through adopting above-mentioned technical scheme, the outside spraying of spring has the polyurethane insulating layer, can avoid arousing the inside short circuit phenomenon that takes place of this plastic envelope motor because of the spring is electrically conductive.
Preferably, the edge of the inner side wall of the end cover is further integrally provided with a connecting seat, the outer side wall of the plastic shell, aligned with the opening end of the plastic shell, is further provided with a groove matched with the connecting seat, and the connecting seat is fixedly installed inside the groove through a second fixing screw.
Through adopting above-mentioned technical scheme, still an organic whole is equipped with the connecting seat on the edge of end cover inside wall, and aligns its open end on the lateral wall of plastic casing and offer with connecting seat assorted recess to pass through second set screw fixed mounting in the inside of recess with the connecting seat, usable second set screw cooperatees like this and forms a new restraint to the end cover with the connecting seat, thereby can guarantee that the end cover can not become flexible at the in-process after this plastic envelope motor long-term operation yet.
Preferably, the connecting seats and the grooves are at least four, and the number of the connecting seats and the number of the grooves are equal.
Through adopting above-mentioned technical scheme, can guarantee the connecting strength that the connecting seat passes through second set screw and recess, and then guarantee that the end cover is difficult for taking off.
Preferably, a first threaded hole matched with the first fixing screw is formed in the end part of the opening end of the plastic shell, and a second threaded hole matched with the second fixing screw is formed in the groove.
Through adopting above-mentioned technical scheme, seting up of first screw hole and second screw hole makes the end cover be convenient for through first set screw fixed mounting in the open end tip of plastic casing and be convenient for the connecting seat pass through the inside of second set screw fixed mounting in the recess.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, with the end cover through first set screw fixed mounting at the open end tip of plastic casing, and seted up first annular spacing groove on the inside wall of end cover, and seted up second annular spacing groove on the end face of cylinder stator support towards the end cover, still install the spring that is in compression state between second annular spacing groove and first annular spacing groove, the elasticity of usable spring exerts an outside thrust to the end cover all the time like this, thereby make the end cover form a binding power to first set screw, and then can effectively prevent first set screw not hard up, further reach the purpose of effectively preventing the end cover pine from taking off;
2. the utility model discloses, still an organic whole is equipped with the connecting seat on the edge of end cover inside wall, and align its open end on plastic casing's lateral wall and seted up with connecting seat assorted recess, and pass through second set screw fixed mounting in the inside of recess with the connecting seat, usable second set screw cooperatees like this and forms a new restraint to the end cover with the connecting seat, thereby can guarantee that the in-process of end cover after this plastic envelope motor long-term operation also can not become flexible, and then make this plastic envelope motor, stable performance, long service life.
Drawings
Fig. 1 is a schematic structural diagram of a plastic package motor with an anti-loosening end cover according to an embodiment;
fig. 2 is a schematic cross-sectional structural view of a plastic package motor with an anti-loosening end cover according to an embodiment;
fig. 3 is an explosion structure diagram of a plastic package motor with an anti-loose end cover according to an embodiment;
fig. 4 is an exploded schematic view of another view angle of the plastic-packaged motor with an anti-loose end cover according to an embodiment;
fig. 5 is a partially enlarged schematic structural diagram of a plastic package motor with an anti-loosening end cover according to an embodiment.
In the figure: 1. a plastic housing; 2. a groove; 3. assembling a base; 4. a first rolling bearing; 5. a cylindrical stator support; 6. a rotor; 7. a rotating shaft; 8. a spring; 9. a second set screw; 10. a first annular limiting groove; 11. an end cap; 12. a first set screw; 13. a connecting seat; 14. a second threaded hole; 15. A second annular limiting groove; 16. a second rolling bearing; 17. a winding; 18. an insulating plastic cylinder; 19. A stator; 20. a first threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a plastic package motor with an anti-loosening end cover is disclosed, as shown in figures 1-5, and comprises a plastic shell 1, an end cover 11, a cylindrical stator support 5, a winding 17, an insulating plastic cylinder 18, a stator 19, an assembly seat 3, a rotating shaft 7 and a rotor 6, wherein one end of the plastic shell 1 is of a closed structure, the other end of the plastic shell 1 is of an open structure, the end cover 11 is fixedly installed at the end part of the open end of the plastic shell 1 through a first fixing screw 12, the cylindrical stator support 5 is fixedly installed on the inner wall of the plastic shell 1, the winding 17 is annularly arranged and fixedly installed on the inner wall of the cylindrical stator support 5, the insulating plastic cylinder 18 is fixedly installed on the winding 17 back to one side surface of the cylindrical stator support 5, the stator 19 is annularly arranged and fixedly installed on the inner wall of the insulating plastic cylinder 18, the assembling seat 3 is fixedly installed on the inner end wall of the closed end of the plastic shell 1, the rotating shaft 7 is arranged on a central axis of the insulating plastic cylinder 18, one end of the rotating shaft 7 is fixedly installed at the central position of the assembling seat 3 through a first rolling bearing 4, the other end of the rotating shaft 7 is fixedly installed at the central position of the end cover 11 through a second rolling bearing 16, the rotating shaft 7 extends to the outside of the end cover 11, a first annular limiting groove 10 is formed in the inner side wall of the end cover 11, a second annular limiting groove 15 is formed in the end face, facing the end cover 11, of the cylindrical stator support 5, and a spring 8 in a compressed state is installed between the second annular limiting groove 15 and the first annular limiting groove 10.
Through adopting above-mentioned technical scheme, with end cover 11 through first set screw 12 fixed mounting at the open end tip of plastic casing 1, and seted up first annular spacing groove 10 on the inside wall of end cover 11, and seted up second annular spacing groove 15 on cylindrical stator support 5 towards the one end terminal surface of end cover 11, still install the spring 8 that is in compression state between second annular spacing groove 15 and first annular spacing groove 10, an outside thrust is applyed all the time to end cover 11 to usable spring 8's elasticity like this, thereby make end cover 11 form a binding force to first set screw 12, and then can effectively prevent first set screw 12 not hard up, further reach the mesh that effectively prevents that end cover 11 from loosening.
Specifically, the first annular limiting groove 10, the second annular limiting groove 15, the rotating shaft 7 and the end cover 11 are all concentrically arranged.
Through adopting above-mentioned technical scheme, all set up first annular spacing groove 10, second annular spacing groove 15, pivot 7 and end cover 11 with one heart for this plastic envelope motor centre of gravity is more stable when operation, can avoid producing the vibration.
Specifically, the outside of the spring 8 is sprayed with a polyurethane insulating layer.
Through adopting above-mentioned technical scheme, the outside spraying of spring 8 has the polyurethane insulating layer, can avoid causing the inside short circuit phenomenon that takes place of this plastic envelope motor because of spring 8 is electrically conductive.
Specifically, as shown in fig. 1, 3 and 4, a connecting seat 13 is further integrally arranged on the edge of the inner side wall of the end cover 11, a groove 2 matched with the connecting seat 13 is further formed in the outer side wall of the plastic housing 1 aligned with the opening end of the plastic housing, and the connecting seat 13 is fixedly mounted inside the groove 2 through a second fixing screw 9.
Through adopting above-mentioned technical scheme, still an organic whole is equipped with connecting seat 13 on the edge of end cover 11 inside wall, and align its open end on the lateral wall of plastic casing 1 and offer with connecting seat 13 assorted recess 2, and pass through second set screw 9 fixed mounting with connecting seat 13 in recess 2's inside, usable second set screw 9 cooperatees with connecting seat 13 like this and forms a new restraint to end cover 11, thereby can guarantee that end cover 11 can not become flexible after this plastic envelope motor long-term operation yet.
Specifically, as shown in fig. 3 to 4, at least four connecting seats 13 and at least four grooves 2 are provided, and the number of the connecting seats 13 is equal to that of the grooves 2.
Through adopting above-mentioned technical scheme, can guarantee connecting seat 13 through the joint strength of second set screw 9 with recess 2, and then guarantee that end cover 11 is difficult for taking off.
Specifically, as shown in fig. 3 to 4, a first threaded hole 20 matched with the first fixing screw 12 is formed at an end portion of an opening end of the plastic casing 1, and a second threaded hole 14 matched with the second fixing screw 9 is formed inside the groove 2.
By adopting the above technical scheme, the opening of the first threaded hole 20 and the second threaded hole 14 enables the end cover 11 to be conveniently and fixedly installed at the end part of the opening end of the plastic shell 1 through the first fixing screw 12 and enables the connecting seat 13 to be conveniently and fixedly installed inside the groove 2 through the second fixing screw 9.
The working principle is as follows: according to the plastic package motor with the anti-loosening end cover, the end cover 11 is fixedly installed at the end part of the opening end of the plastic shell 1 through the first fixing screw 12, the inner side wall of the end cover 11 is provided with the first annular limiting groove 10, the end face, facing the end cover 11, of the cylindrical stator support 5 is provided with the second annular limiting groove 15, and the spring 8 in a compressed state is installed between the second annular limiting groove 15 and the first annular limiting groove 10, so that the elastic force of the spring 8 can be used for always applying outward thrust to the end cover 11, the end cover 11 can form a restraining force on the first fixing screw 12, the first fixing screw 12 can be effectively prevented from loosening, and the purpose of effectively preventing the end cover 11 from loosening is further achieved;
still an organic whole is equipped with connecting seat 13 on the edge of end cover 11 inside wall, and align its open end on the lateral wall of plastic casing 1 and offer with connecting seat 13 assorted recess 2, and pass through the inside of second set screw 9 fixed mounting at recess 2 with connecting seat 13, usable second set screw 9 cooperatees like this and forms a new restraint to end cover 11, thereby can guarantee that end cover 11 also can not become flexible after this plastic envelope motor long-term operation, and then make this plastic envelope motor, the stable performance, long service life.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a plastic envelope motor that end cover locking takes off, includes plastic casing (1), end cover (11), cylindrical stator support (5), winding (17), insulating plastic barrel (18), stator (19), joins in marriage dress seat (3), pivot (7) and rotor (6), its characterized in that: one end of the plastic shell (1) is of a closed structure, the other end of the plastic shell (1) is of an open structure, the end cover (11) is fixedly installed at the end part of the open end of the plastic shell (1) through a first fixing screw (12), the cylindrical stator support (5) is fixedly installed on the inner wall of the plastic shell (1), the windings (17) are annularly arranged and fixedly installed on the inner wall of the cylindrical stator support (5), the insulating plastic cylinder (18) is fixedly installed on one side surface of the windings (17) back to the cylindrical stator support (5), the stators (19) are annularly arranged and fixedly installed on the inner wall of the insulating plastic cylinder (18), the assembling seat (3) is fixedly installed on the inner end wall of the closed end of the plastic shell (1), and the rotating shaft (7) is arranged on the central axis of the insulating plastic cylinder (18), just the one end of pivot (7) is in through first antifriction bearing (4) fixed mounting the central point of joining in marriage dress seat (3) puts the department, the other end of pivot (7) passes through second antifriction bearing (16) fixed mounting the central point of end cover (11) puts the department, just pivot (7) extend to the outside of end cover (11), first annular spacing groove (10) have been seted up on the inside wall of end cover (11), cylinder stator support (5) orientation second annular spacing groove (15) have been seted up on the one end terminal surface of end cover (11), second annular spacing groove (15) with install between first annular spacing groove (10) spring (8) that are in compression state.
2. The plastic package motor that the end cover is anti-loosening of claim 1, characterized in that: the first annular limiting groove (10), the second annular limiting groove (15), the rotating shaft (7) and the end cover (11) are all arranged concentrically.
3. The plastic package motor that the end cover is anti-loosening of claim 1, characterized in that: and a polyurethane insulating layer is sprayed on the outer part of the spring (8).
4. The plastic package motor that the end cover is anti-loosening of claim 1, characterized in that: still an organic whole is equipped with connecting seat (13) on the edge of end cover (11) inside wall, align its open end on the lateral wall of plastic casing (1) still seted up with connecting seat (13) assorted recess (2), connecting seat (13) are in through second set screw (9) fixed mounting the inside of recess (2).
5. The plastic package motor that the end cover is prevented from taking off of claim 4, characterized in that: the connecting seats (13) and the grooves (2) are at least four, and the connecting seats (13) and the grooves (2) are equal in number.
6. The plastic package motor that the end cover is prevented from taking off of claim 4, characterized in that: the end part of the opening end of the plastic shell (1) is provided with a first threaded hole (20) matched with the first fixing screw (12), and the inside of the groove (2) is provided with a second threaded hole (14) matched with the second fixing screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030396.5U CN211127380U (en) | 2020-01-08 | 2020-01-08 | Plastic package motor with anti-loosening end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030396.5U CN211127380U (en) | 2020-01-08 | 2020-01-08 | Plastic package motor with anti-loosening end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127380U true CN211127380U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020030396.5U Active CN211127380U (en) | 2020-01-08 | 2020-01-08 | Plastic package motor with anti-loosening end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211127380U (en) |
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2020
- 2020-01-08 CN CN202020030396.5U patent/CN211127380U/en active Active
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