CN216290468U

CN216290468U - Outer rotor motor of baby carriage

Info

Publication number: CN216290468U
Application number: CN202122370886.7U
Authority: CN
Inventors: 马长勇
Original assignee: Ningbo Bldc Co ltd
Current assignee: Ningbo Bldc Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-12
Anticipated expiration: 2031-09-28

Abstract

The application relates to a rotor motor outside perambulator relates to perambulator accessories's field, and it includes shell, pivot and end cover, the pivot is worn to establish and is rotated and connect on the shell, one side of pivot is kept away from to end cover fixed connection in the shell, be equipped with a plurality of louvres with the inside intercommunication of shell on the end cover. The problem of the during operation heat dissipation of motor comparatively difficult, shortened the life of motor is improved, this application has the radiating efficiency who improves the motor, has increased the life of motor's effect.

Description

Outer rotor motor of baby carriage

Technical Field

The application relates to the field of accessories of a baby carriage, in particular to an external rotor motor of the baby carriage.

Background

The outer rotor motor is a motor with a rotor part sleeved outside a stator part, is usually applied to equipment such as a baby carriage hub and has the characteristics of space saving and compact design.

In the related art, referring to fig. 5, an external rotor motor includes a rotating shaft 2 as a stator and a housing 1 as a rotor, the rotating shaft 2 is fixedly connected to other parts, the housing 1 is sleeved and rotatably connected to the rotating shaft 2, and one end of the housing 1, which is far away from the rotating shaft 2, is fixedly connected with an end cover 3 to cover and seal an internal structure.

In view of the above-mentioned related technologies, the inventor believes that the housing and the end cover the internal structure, so that heat dissipation is difficult when the motor works, the service life of the motor is shortened, and there is room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively difficult heat dissipation of motor during operation, shortened the life's of motor problem, this application provides a rotor motor outside perambulator.

The application provides a rotor motor outside baby's car adopts following technical scheme:

the utility model provides a rotor motor outside perambulator, includes shell, pivot and end cover, the pivot is worn to establish and is rotated and connect on the shell, one side of pivot is kept away from to end cover fixed connection in the shell, be equipped with a plurality of louvres with the inside intercommunication of shell on the end cover.

Through adopting above-mentioned technical scheme, through setting up the louvre for the motor heat dissipation can follow the louvre effluvium, is difficult for persisting in the motor casing, has improved the radiating efficiency of motor, has increased the life of motor.

Optionally, the heat dissipation holes are arranged along the circumferential direction of the end cover, an adjusting ring is arranged on one side, away from the shell, of the end cover, the adjusting ring comprises a covering part and a communication part, the covering part and the communication part are fixedly connected and arranged at intervals, the covering part covers the heat dissipation holes, through holes mutually communicated with the heat dissipation holes are formed in the communication part, the number of the through holes is consistent with that of the heat dissipation holes, a first sliding ring and a second sliding ring are fixedly connected to one side, away from the shell, of the end cover, the first sliding ring and the second sliding ring are circular rings with different diameters and are coaxially arranged, a first annular groove is formed in the inner side wall, close to the second sliding ring, of the first sliding ring, a second annular groove is formed in the outer side wall, close to the first sliding ring, a first raised strip is fixedly connected to the outer side wall of the adjusting ring in an embedded and sliding manner, fixedly connected with inlays to establish and slide and connect the second sand grip in the second annular on the inside wall of adjustable ring.

Through adopting above-mentioned technical scheme, slide through the adjustable ring and connect between first slip ring and second slip ring, make the size in the hole that the cooperation produced between louvre and the through-hole can be adjusted, make the louvre can adjust with the size of external intercommunication, thereby make the user can control the size of louvre when not using the motor or need not great louvre, reduce the possibility that external dust and rainwater etc. get into the louvre and cause the damage to inside, the life of external rotor motor has been improved.

Optionally, a toggle column is arranged on the adjusting ring.

Through adopting above-mentioned technical scheme, stir the setting of post, increased the area of gripping of adjustable ring, convenience of customers stirs the post through the operation and slides the rotation to the regulation ring, has improved the regulation efficiency of adjustable ring.

Optionally, stir the post and rotate to be connected on the adjustable ring, be equipped with on the first slip ring and supply to stir the post and insert the locking hole of locking, the locking hole runs through one side that the end cover was kept away from to the first slip ring, the locking hole sets up along the circumference of first slip ring.

Through adopting above-mentioned technical scheme, stir the post and insert in the locking hole that corresponds for stir post and adjustable ring and be difficult for rotating, thereby make the adjustable ring adjust the fixed difficult rocking of louvre size after-fixing, improved the stability that the adjustable ring was adjusted.

Optionally, be equipped with on the adjustable ring and supply to stir post pivoted rotation groove, the rotation groove runs through the outer lateral wall of adjustable ring and keeps away from the lateral wall of end cover, fixedly connected with lug on the lateral wall of rotation groove, the lug is located and is rotated one side that the groove is close to the lateral wall of adjustable ring and is located and rotate one side that the groove kept away from the end cover, stir post butt in one side that the lug is close to the end cover.

Through adopting above-mentioned technical scheme, through setting up the lug for stir the post and rotate the position after and only can be in two kinds of states, one kind is to stir the post and inserts the state in locking hole, and another kind is in and stirs the state, and is difficult for rocking under non-human effect, has improved and has stirred the stability that the post locking perhaps stirred.

Optionally, the protrusion is disposed in a hemispherical shape.

Through adopting above-mentioned technical scheme, the lug is the hemisphere setting, and the guide is stirred the post and is slided along the surface of lug for stir the lateral wall of post when the people for stir and cross the lug along the surperficial extrusion deformation of lug, improved the rotation efficiency of stirring the post.

Optionally, criss-cross bars are fixedly connected to the inner side wall of the through hole.

Through adopting above-mentioned technical scheme, the setting of grid for impurity mire etc. receive stopping of grid and be difficult for getting into motor housing, cause the damage to inside, improved the life of motor.

Optionally, be equipped with first bolt on the first slip ring, the screw rod of first bolt wears to locate in proper order on end cover and the first slip ring, threaded connection has first nut on the screw rod of first bolt, the first one side of slip ring is kept away from in the end cover to the spiral shell head butt of first bolt, the one side of end cover is kept away from in first slip ring to first nut butt, be equipped with the second bolt on the second slip ring, the screw rod of second bolt wears to locate in proper order on end cover and the second slip ring, threaded connection has the second nut on the screw rod of second bolt, the spiral shell head butt of second bolt is kept away from one side of second slip ring in the end cover, the second nut butt is kept away from one side of end cover in the second slip ring.

Through adopting above-mentioned technical scheme, first ring and the second that slides slide and encircle through bolt fixed connection on the end cover for first ring, the second that slides slide and the adjustable ring can be followed and dismantled from the end cover, is stained with muddy and when blockking up the through-hole on the grid, convenience of customers washs the adjustable ring, has improved the life of adjustable ring.

Optionally, a first installation box for clamping and embedding the screw head of the first bolt and a second installation box for clamping and embedding the screw head of the second bolt are fixedly connected to the inner side of the end cover.

Through adopting above-mentioned technical scheme, the setting of first install bin and second install bin for first ring and the second that slides need not to dismantle the end cover when dismantling and get off can rotate the nut from the bolt, has improved the dismantlement efficiency of first nut and second nut.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the heat dissipation holes, the heat dissipation efficiency of the motor is improved, and the service life of the motor is prolonged;

the size of the heat dissipation holes can be controlled by arranging the adjusting ring, the possibility of damage to the inside is reduced, and the service life of the outer rotor motor is prolonged;

first slip ring, second slip ring and adjustable ring can be dismantled, and convenience of customers washs the adjustable ring, has improved the life of adjustable ring.

Drawings

Fig. 1 is a schematic structural view of an external rotor motor for a baby carriage in an embodiment of the present application.

Fig. 2 is an exploded view of an outboard rotor motor for a stroller in an embodiment of the present application.

FIG. 3 is an exploded view of the end cap, first mounting box and second mounting box in an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Fig. 5 is a schematic structural view of an external rotor motor in the related art.

Description of reference numerals: 1. a housing; 2. a rotating shaft; 3. an end cap; 31. heat dissipation holes; 32. a first installation box; 33. a second installation box; 4. an adjustment assembly; 41. an adjusting ring; 411. a covering part; 412. a communicating portion; 4121. a through hole; 4122. grid bars; 413. a first rib; 414. a second convex strip; 415. a rotating groove; 416. rotating the column; 417. shifting the column; 418. a bump; 42. a first slip ring; 421. a first bolt; 422. a first nut; 423. a first ring groove; 424. a locking hole; 43. a second slip ring; 431. a second bolt; 432. a second nut; 433. a second ring groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a rotor motor outside a baby carriage. Referring to fig. 1, the external rotor motor for a baby carriage includes a housing 1, a rotation shaft 2, an end cap 3, and an adjustment assembly 4.

Referring to fig. 1 and 2, the housing 1 is a cylinder with one side closed, the rotating shaft 2 penetrates and is rotatably connected to one side of the housing 1, so that the motor is installed on a hub of the stroller, and the end cover 3 is fixedly connected to one side of the housing 1 far away from the rotating shaft 2, so as to cover one side of the housing 1 far away from the rotating shaft 2. The end cover 3 is provided with a plurality of heat dissipation holes 31, and the number of the heat dissipation holes 31 is a plurality for dissipating the internal hot air. The adjusting component 4 is installed on one side of the end cover 3 far away from the shell 1 to adjust the size of the heat dissipation hole 31.

Referring to fig. 2, the adjusting assembly 4 is installed as follows, and the adjusting assembly 4 includes an adjusting ring 41, a first slip ring 42 and a second slip ring 43. First slip ring 42 and second slip ring 43 all fixed connection are in the shell 1 is kept away from to end cover 3 one side, and first slip ring 42 and second slip ring 43 are the ring setting of different diameters, and first slip ring 42, second slip ring 43 and end cover 3 are coaxial setting, and here take the diameter of first slip ring 42 to be greater than the diameter of second slip ring 43 as an example. First bolt 421 is installed on first slip ring 42, and the screw rod of first bolt 421 wears to locate on end cover 3 and first slip ring 42 in proper order to make first slip ring 42 and end cover 3 connect. The screw head of the first bolt 421 abuts against the inner side wall of the end cover 3, the screw of the first bolt 421 is connected with a first nut 422 through a thread, and the first nut 422 abuts against one side of the first sliding ring 42 close to the end cover 3, so that the first sliding ring 42 can be detachably connected to the end cover 3. A second bolt 431 is installed on the second sliding ring 43, and a screw of the second bolt 431 sequentially penetrates through the end cover 3 and the second sliding ring 43, so that the second sliding ring 43 is connected with the end cover 3. The head of the second bolt 431 abuts against the inner side wall of the end cover 3, the screw of the second bolt 431 is in threaded connection with a second nut 432, and the second nut 432 abuts against one side of the second sliding ring 43 close to the end cover 3, so that the second sliding ring 43 can be detachably connected to the end cover 3.

Referring to fig. 2 and 3, one side of the end cover 3 close to the housing 1 is fixedly connected with a first installation box 32, the first installation box 32 is matched with a screw head of the first bolt 421, and the screw head of the first bolt 421 is embedded in the first installation box 32, so that the first bolt 421 is fixed, and the end cover 3 does not need to be opened and the first bolt 421 does not need to be held when the nut is screwed out. The end cover 3 is fixedly connected with a second installation box 33 on one side close to the shell 1, the second installation box 33 is matched with the screw head of the second bolt 431, and the screw head of the second bolt 431 is clamped and embedded in the second installation box 33, so that the second bolt 431 is fixed, and the end cover 3 does not need to be opened and the first bolt 421 does not need to be held when the nut is screwed out.

Referring to fig. 2, the adjusting ring 41 is located between the first sliding ring 42 and the second sliding ring 43, an outer circumferential sidewall of the adjusting ring 41 abuts against an inner sidewall of the first sliding ring 42, and an inner circumferential sidewall of the adjusting ring 41 abuts against an outer circumferential sidewall of the second sliding ring 43, so that the adjusting ring 41 rotates around an axis of the first sliding ring 42. First ring groove 423 is equipped with on the inside wall that first slip ring 42 is close to second slip ring 43, first ring groove 423 is located one side that first slip ring 42 is close to end cover 3, first ring groove 423 does not run through the lateral wall that first slip ring 42 kept away from end cover 3, fixedly connected with first sand grip 413 on the lateral wall of adjustable ring 41, first sand grip 413 sets up along the periphery lateral wall of adjustable ring 41, first sand grip 413 can be an arc section, also can be a ring, use first sand grip 413 as an example, first sand grip 413 is set and is slided and connect in first ring groove 423, make adjustable ring 41 difficult follow first slip ring 42 and break away from in the process of sliding. The second ring groove 433 that is equipped with on the lateral wall that the second ring 43 that slides is close to first ring 42 that slides, the second ring groove 433 is located the second and slides the one side that the ring 43 is close to end cover 3, the second ring groove 433 does not run through the lateral wall that the second slides the ring 43 and keeps away from end cover 3, fixedly connected with second sand grip 414 on the inside wall of adjusting ring 41, second sand grip 414 sets up along the interior circumferential side wall of adjusting ring 41, second sand grip 414 can be an arc section, also can be a ring, use second sand grip 414 as an example, second sand grip 414 inlays to establish and slides and connects in second ring groove 433, make adjusting ring 41 difficult follow second ring 43 that slides and break away from in the in-process of sliding.

Referring to fig. 2, the adjusting ring 41 is located at a position corresponding to the heat radiating hole 31. The adjusting ring 41 includes a covering portion 411 and a communicating portion 412, the covering portion 411 and the communicating portion 412 are fixedly connected and spaced, and when the covering portion 411 rotates to a position corresponding to the heat dissipation hole 31, the covering portion 411 covers the heat dissipation hole 31. The communicating part 412 is provided with through holes 4121, the size of the through holes 4121 is consistent with that of the heat dissipation holes 31, and the number of the through holes 4121 is also consistent with that of the heat dissipation holes 31, when the communicating part 412 rotates to the position corresponding to the heat dissipation holes 31, the through holes 4121 and the heat dissipation holes 31 are communicated with each other, so that the heat in the motor can be dissipated through the heat dissipation holes 31 and the through holes 4121. The inner side wall of the through hole 4121 is fixedly connected with a plurality of grid bars 4122, and the grid bars 4122 are arranged in a criss-cross mode, so that external mud and the like are not easy to enter the shell 1.

Referring to fig. 4, the adjusting ring 41 is provided with a rotating groove 415, the rotating groove 415 penetrates through the outer circumferential side wall of the adjusting ring 41 and the side wall far away from the end cover 3, a rotating column 416 is fixedly connected in the rotating groove 415, two ends of the rotating column 416 are respectively and fixedly connected to two opposite side walls of the rotating groove 415, and a toggle column 417 is rotatably connected to the rotating column 416, so that a user can rotate the adjusting ring 41 by operating the toggle column 417. The side wall of the rotating groove 415 is fixedly connected with two protrusions 418, the two protrusions 418 are respectively located on two opposite side walls of the rotating groove 415 to limit the rotation of the toggle column 417, so that the toggle column 417 can only be in a state parallel to the adjusting ring 41 and a state perpendicular to the adjusting ring 41 under the non-artificial action. The protrusion 418 is disposed in a hemispherical shape, so that when the user rotates the toggle post 417, the user can guide the sidewall of the toggle post 417 to slide along the surface of the protrusion 418.

Referring to fig. 2 and 4, the first sliding ring 42 is provided with a plurality of locking holes 424, the locking holes 424 penetrate through the inner and outer side walls of the first sliding ring 42, the locking holes 424 penetrate through the side of the first sliding ring 42 away from the end cover 3, the number of the locking holes 424 is several, the locking holes 424 are arranged along the circumferential direction of the first sliding ring 42, and when the toggle column 417 drives the adjusting ring 41 to rotate to a position corresponding to one of the locking holes 424, the toggle column 417 is rotated into the locking hole 424, so that the adjusting ring 41 is not prone to continue rotating.

The implementation principle of the outer rotor motor of this application embodiment of a baby's car does: when the heat dissipation hole 31 needs to be opened, the dial column 417 is held and rotated, so that the dial column 417 is separated from the locking hole 424, the dial column 417 slides along the surface of the projection 418, the dial column 417 is perpendicular to the adjusting ring 41, then the dial column 417 is rotated around the axis of the adjusting ring 41, so that the heat dissipation hole 31 is aligned with the through hole 4121, and then the dial column 417 is rotated into the locking hole 424 for fixing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a rotor motor outside perambulator which characterized in that: the novel heat dissipation device comprises a shell (1), a rotating shaft (2) and an end cover (3), wherein the rotating shaft (2) penetrates through and is rotatably connected to the shell (1), the end cover (3) is fixedly connected to one side, far away from the rotating shaft (2), of the shell (1), a plurality of heat dissipation holes (31) communicated with the interior of the shell (1) are formed in the end cover (3), the heat dissipation holes (31) are formed in the circumferential direction of the end cover (3), an adjusting ring (41) is arranged on one side, far away from the shell (1), of the end cover (3), the adjusting ring (41) comprises a covering portion (411) and a communicating portion (412), the covering portion (411) and the communicating portion (412) are fixedly connected and are arranged at intervals, the heat dissipation holes (31) are covered by the covering portion (411), through holes (4121) communicated with the heat dissipation holes (31) are formed in the communicating portion (412), and the number of the through holes (4121) is consistent with that of the heat dissipation holes (31), end cover (3) are kept away from the first ring (42) and the second that slide of ring (43) of sliding of one side fixedly connected with of shell (1), first slide ring (42) with second slide ring (43) are the ring and the coaxial setting of different diameters, first slide ring (42) are close to and are equipped with first annular (423) on the inside wall of second slide ring (43), second slide ring (43) are close to and are equipped with second annular (433) on the lateral wall of first slide ring (42), fixedly connected with inlays to establish and slides on the lateral wall of adjustable ring (41) and connects in first sand grip (413) in first annular (423), fixedly connected with inlays to establish and slides on the inside wall of adjustable ring (41) and connects in second sand grip (414) in second annular (433).

2. A rotor motor external to a stroller according to claim 1, wherein: a toggle column (417) is arranged on the adjusting ring (41).

3. A rotor motor external to a stroller according to claim 2, wherein: the toggle column (417) is rotatably connected to the adjusting ring (41), a locking hole (424) for inserting and locking the toggle column (417) is formed in the first sliding ring (42), the locking hole (424) penetrates through one side, away from the end cover (3), of the first sliding ring (42), and the locking hole (424) is formed in the circumferential direction of the first sliding ring (42).

4. A rotor motor external to a stroller according to claim 3, wherein: be equipped with on adjustable ring (41) and supply to stir post (417) pivoted rotation groove (415), the lateral wall that the outer lateral wall that rotates groove (415) through adjustable ring (41) and keep away from end cover (3), fixedly connected with lug (418) on the lateral wall of rotation groove (415), lug (418) are located and are rotated one side that groove (415) is close to the lateral wall of adjustable ring (41) and locate and rotate one side that groove (415) is kept away from end cover (3), stir post (417) butt in one side that lug (418) are close to end cover (3).

5. The extra-stroller rotor motor according to claim 4, wherein: the bumps (418) are arranged in a hemispherical shape.

6. A rotor motor external to a stroller according to claim 1, wherein: criss-cross bars (4122) are fixedly connected to the inner side wall of the through hole (4121).

7. A rotor motor external to a stroller according to claim 1, wherein: the first sliding ring (42) is provided with a first bolt (421), a screw of the first bolt (421) sequentially penetrates through the end cover (3) and the first sliding ring (42), a first nut (422) is connected to the screw of the first bolt (421) in a threaded manner, the screw of the first bolt (421) abuts against one side, far away from the first sliding ring (42), of the end cover (3), the first nut (422) abuts against one side, far away from the end cover (3), of the first sliding ring (42), the second sliding ring (43) is provided with a second bolt (431), the screw of the second bolt (431) sequentially penetrates through the end cover (3) and the second sliding ring (43), the screw of the second bolt (431) is connected with a second nut (432) in a threaded manner, the screw of the second bolt (431) abuts against one side, far away from the second sliding ring (43), of the end cover (3), the second nut (432) abuts against one side, far away from the end cover (3), of the second sliding ring (43).

8. A rotor motor external to a stroller according to claim 7, wherein: the inner side of the end cover (3) is fixedly connected with a first mounting box (32) for clamping and embedding the screw head of the first bolt (421) and a second mounting box (33) for clamping and embedding the screw head of the second bolt (431).