CN216216115U - Brushless motor for door opener - Google Patents

Abstract

A brushless motor for a door opener comprises a stator core, a rotor, a front sleeve piece, a rear sleeve piece, a front shell and a rear shell, wherein a plurality of winding posts are uniformly distributed on the inner circumferential surface of the stator core, an arc sheet is arranged on the inner end surface of each winding post, the rotor is positioned in a space formed by the arc sheets on the winding posts, the rear part of the front sleeve piece is positioned in the front part of the stator core, the front part of the front sleeve piece is positioned in the front shell, a front sleeve ring is arranged in the front sleeve piece, a plurality of front limiting plates are arranged on the front end surface of the front sleeve ring, each front limiting plate corresponds to one winding post, the front part of the rear sleeve piece is positioned in the rear part of the stator core, the rear part of the rear sleeve piece is positioned in the rear shell, a rear sleeve ring is arranged in the rear sleeve piece, a plurality of rear limiting plates are arranged on the rear end surface of the rear sleeve ring, each rear limiting plate corresponds to one winding post, the front shell is connected with the rear shell, the rotor is rotatably disposed relative to the front housing and the rear housing. The utility model has longer service life and does not need frequent maintenance.

Description

Brushless motor for door opener

Technical Field

The utility model relates to a motor, in particular to a brushless motor for a door opening machine.

Background

With the progress of science and technology and the continuous improvement of the living standard of human beings, the automatic door opening machine is gradually recognized and accepted by more people; accordingly, the development of door openers such as bamboo shoots in spring after rain in the market of automatic doors is very fast. The door opener is a driver composed of motor, speed-changing mechanism and clutch, belonging to electromechanical products, and is generally used for realizing electric opening and closing of various door bodies. The motor that door operator applied at present is brush motor, but brush motor because of the reason of structure, its life is shorter, and it is troublesome to maintain, needs the change brush that keeps, and door operator is often used in family or public occasion again, and the number of times of its every day opening door is more, if often change or maintain brush motor, this has also caused the increase of door operator use cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brushless motor for a door opening machine, which mainly aims to solve the problems of short service life and troublesome maintenance of a brush motor used by the existing door opening machine.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a brushless motor for a door opener comprises a stator core, a rotor, a front sleeve piece, a rear sleeve piece, a front shell and a rear shell, wherein the stator core is communicated from front to back, a plurality of winding posts are uniformly distributed on the inner peripheral surface of the stator core, an arc sheet is arranged on the inner end surface of each winding post, the rotor is positioned in a space formed by the arc sheets on the winding posts, the rear part of the front sleeve piece is positioned in the front part of the stator core, the front part of the front sleeve piece is positioned in the front shell, a front sleeve ring is arranged in the front sleeve piece, a plurality of front limiting plates are arranged on the front end surface of the front sleeve ring, each front limiting plate corresponds to one winding post, the front part of the rear sleeve piece is positioned in the rear part of the stator core, the rear part of the rear sleeve piece is positioned in the rear shell, a rear sleeve ring is arranged in the rear sleeve piece, a plurality of rear limiting plates are arranged on the rear end surface of the rear sleeve ring, each rear limiting plate corresponds to one winding post, the front housing and the rear housing are connected, and the rotor is rotatably disposed with respect to the front housing and the rear housing.

Furthermore, the length of the circular arc piece is greater than that of the winding post, and the front end and the rear end of the circular arc piece extend forwards and backwards respectively.

Further, the inner peripheral surface equipartition of preceding external member has a plurality of preceding wire wrapping plates, and every preceding wire wrapping plate corresponds a wrapping post, the outer peripheral face of the preceding lantern ring is connected with the interior terminal surface of a plurality of preceding wire wrapping plates, the length of the preceding lantern ring is greater than the length of preceding wire wrapping plate, the rear end face of preceding wire wrapping plate is inconsistent with the preceding terminal surface of the corresponding wrapping post, preceding ladder groove is equipped with in the rear portion of the preceding lantern ring, the periphery that the circular arc piece on a plurality of wrapping posts encloses and preceding ladder groove looks adaptation, and the front end of circular arc piece is located preceding ladder inslot.

Furthermore, the inner peripheral surface equipartition of back external member has a plurality of back winder boards, and every back winder board corresponds a wrapping post, the outer peripheral face of the back lantern ring is connected with the interior terminal surface of a plurality of back winder boards, the length of the back lantern ring is greater than the length of back winder board, the back terminal surface of back winder board and the corresponding wrapping post is inconsistent, be equipped with back ladder groove in the front portion of the back lantern ring, the periphery and the back ladder groove looks adaptation that the circular arc piece on a plurality of wrapping posts encloses, and the rear end of circular arc piece is located back ladder inslot.

Further, be equipped with fore bearing and rear bearing in the preceding casing and the back casing respectively, the rotor has preceding axial region and rear shaft portion, the front end of preceding axial region is located the fore bearing, rear shaft portion passes the rear bearing.

Furthermore, a speed reducer is arranged at the rear end of the rear shell, and the rear shaft penetrates through the rear shell and is connected with the input end of the speed reducer.

Furthermore, the procapsid is equipped with a plurality of preceding locking holes, the back casing is equipped with a plurality of back locking holes, and every preceding locking hole corresponds a back locking hole, procapsid and back casing are through the many long screw connections that pass preceding locking hole and back locking hole.

Furthermore, the number of the winding posts is six.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages: the winding posts are used for winding to form a winding coil, the outer peripheral surface of the front lantern ring and the front limiting plate on the outer peripheral surface of the front lantern ring and the outer peripheral surface of the rear lantern ring and the rear limiting plate on the outer peripheral surface of the rear lantern ring are used for separating the winding coil from the rotor, the winding coil is prevented from being too long and contacting the rotor, and friction of the rotor on the winding coil is avoided when the rotor rotates. Compared with a brush motor used on a door opener, the magnetic field generator has the advantages of simpler structure, no need of installing electric brushes, longer service life, no need of frequent maintenance, higher overall performance than that of the brush motor and more stable use.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is an exploded view of the present invention with the reducer removed.

Fig. 3 is a view of fig. 2 from another angle.

Detailed Description

Referring to fig. 1 to 3, a brushless motor for a door opening machine includes a stator core 1, a rotor 2, a front kit 3, a rear kit 4, a front housing 5, and a rear housing 6. The stator core 1 is through from front to back, six winding posts 11 are uniformly distributed on the inner peripheral surface of the stator core 1, an arc sheet 12 is arranged on the inner end surface of each winding post 11, and the rotor 2 is located in a space formed by the arc sheets 12 on the six winding posts 11. The rear part of the front sleeve 3 is positioned in the front part of the stator core 1, the front part of the front sleeve 3 is positioned in the front shell 5, a front sleeve ring 31 which is through from front to back is arranged in the front sleeve 3, six front limiting plates 32 are arranged on the front end surface of the front sleeve ring 31, and each front limiting plate 32 corresponds to one winding post 11. The front part of the rear sleeve member 4 is positioned in the rear part of the stator core 1, the rear part of the rear sleeve member 4 is positioned in the rear shell 6, a rear sleeve ring 41 which is through from front to back is arranged in the rear sleeve member 4, six rear limiting plates 42 are arranged on the rear end surface of the rear sleeve ring 41, and each rear limiting plate corresponds to one winding post. The front housing 5 and the rear housing 6 are connected, and the rotor 2 is rotatably provided with respect to the front housing 5 and the rear housing 6.

Referring to fig. 2 and 3, the length of the arc piece 12 is greater than that of the winding post 11, and the front end and the rear end of the arc piece 12 extend forward and backward, respectively. Six front winding boards 33 are uniformly distributed on the inner circumferential surface of the front sleeve component 3, each front winding board 33 corresponds to one winding post 11, the outer circumferential surface of the front sleeve ring 31 is connected with the inner end surfaces of the six front winding boards 33, the length of the front sleeve ring 31 is larger than that of the front winding board 33, and the rear end surface of the front winding board 33 is abutted against the front end surface of the corresponding winding post 11. Preceding ladder groove 34 is equipped with in the rear portion of preceding lantern ring 31, the periphery that the circular arc piece 12 on six wrapping posts 11 encloses is with preceding ladder groove 34 looks adaptation, and the front end of circular arc piece 12 is located preceding ladder groove 34.

Referring to fig. 2 and 3, six rear winding plates 43 are uniformly distributed on the inner circumferential surface of the rear sleeve 4, each rear winding plate 43 corresponds to one winding post 11, the outer circumferential surface of the rear collar 41 is connected with the inner end surfaces of the six rear winding plates 43, the length of the rear collar 41 is greater than that of the rear winding plate 43, and the rear winding plates 43 are abutted against the rear end surfaces of the corresponding winding posts 11. The front part of the rear lantern ring 41 is internally provided with a rear stepped groove 44, the periphery surrounded by the arc pieces 12 on the six winding posts 11 is matched with the rear stepped groove 44, and the rear end of the arc piece 12 is positioned in the rear stepped groove 44.

Referring to fig. 1 to 3, a front bearing 7 and a rear bearing 8 are respectively provided in the front housing 5 and the rear housing 6, the rotor 2 has a front shaft portion 21 and a rear shaft portion 22, a front end of the front shaft portion 21 is located in the front bearing 7, and the rear shaft portion 22 passes through the rear bearing 8. The rear end of the rear shell 6 is provided with a speed reducer 9, and the rear shaft part 22 penetrates through the rear shell 6 and is connected with the input end of the speed reducer 9. The front case 5 is provided with three front locking holes 51, the rear case 6 is provided with three rear locking holes 61, one rear locking hole 61 is provided for each front locking hole 51, and the front case 5 and the rear case 6 are coupled by three long screws passing through the front locking holes 51 and the rear locking holes 61.

Referring to fig. 1 to 3, the design principle of the present invention is as follows: six wrapping posts 11 are used for carrying out the wire winding and form the winding coil, and the copper line is walked around wrapping post 11, preceding winder 33 and back winder 43 when the wire winding, preceding limiting plate 32 and the back collar 41's of the outer peripheral face of preceding lantern ring 31 and on the outer peripheral face and the back limiting plate 42 on the outer peripheral face are used for separating winding coil and rotor 2, prevent that the length overlength of winding coil from contacting with rotor 2, avoid rotor 2 to produce the friction to the winding coil when rotating. The winding coil generates a magnetic field after being electrified, and the magnetic field drives the rotor to rotate.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims (8)

1. A brushless motor for a door opener, characterized in that: comprises a stator core, a rotor, a front sleeve piece, a rear sleeve piece, a front shell and a rear shell, wherein the stator core is communicated with the front and the rear, the inner peripheral surface of the stator core is uniformly provided with a plurality of winding posts, the inner end surface of each winding post is provided with an arc sheet, the rotor is positioned in a space formed by the arc sheets on the plurality of winding posts, the rear part of the front sleeve piece is positioned in the front part of the stator core, the front part of the front sleeve is positioned in the front shell, a front sleeve ring is arranged in the front sleeve, the front end surface of the front sleeve ring is provided with a plurality of front limiting plates, each front limiting plate corresponds to one winding post, the front part of the rear sleeve is positioned in the rear part of the stator core, the rear part of the rear sleeve is positioned in the rear shell, a rear sleeve ring is arranged in the rear sleeve, the rear end surface of the rear sleeve ring is provided with a plurality of rear limiting plates, each rear limiting plate corresponds to one winding post, the front housing and the rear housing are connected, and the rotor is rotatably disposed with respect to the front housing and the rear housing.

2. A brushless motor for a door opening machine according to claim 1, wherein: the length of the arc sheet is greater than that of the winding post, and the front end and the rear end of the arc sheet respectively extend forwards and backwards.

3. A brushless motor for a door opening machine according to claim 2, wherein: the inner peripheral surface equipartition of preceding external member has a plurality of preceding winder plates, and every preceding winder plate corresponds a wrapping post, the outer peripheral face of the preceding lantern ring is connected with the interior terminal surface of a plurality of preceding winder plates, the length of the preceding lantern ring is greater than the length of preceding winder plate, the rear end face of preceding winder plate is inconsistent with the preceding terminal surface of the corresponding winder post, be equipped with preceding ladder groove in the rear portion of the preceding lantern ring, the periphery that the circular arc piece on a plurality of wrapping posts encloses and preceding ladder groove looks adaptation, and the front end of circular arc piece is located preceding ladder inslot.

4. A brushless motor for a door opening machine according to claim 2, wherein: the inner peripheral surface equipartition of back external member has a plurality of back winder plates, and every back winder plate corresponds a wrapping post, the outer peripheral face of the back lantern ring is connected with the interior terminal surface of a plurality of back winder plates, the length of the back lantern ring is greater than the length of back winder plate, the back terminal surface of back winder plate and the wrapping post that corresponds is inconsistent, be equipped with back ladder groove in the front portion of the back lantern ring, the periphery and the back ladder groove looks adaptation that the circular arc piece on a plurality of wrapping posts encloses, and the rear end of circular arc piece is located back ladder inslot.

5. A brushless motor for a door opening machine according to claim 1, wherein: the front bearing and the rear bearing are respectively arranged in the front shell and the rear shell, the rotor is provided with a front shaft part and a rear shaft part, the front end of the front shaft part is positioned in the front bearing, and the rear shaft part penetrates through the rear bearing.

6. A brushless motor for a door opening machine according to claim 5, wherein: the rear end of the rear shell is provided with a speed reducer, and the rear shaft part penetrates through the rear shell to be connected with the input end of the speed reducer.

7. A brushless motor for a door opening machine according to claim 1, wherein: the procapsid is equipped with a plurality of preceding locking holes, the back casing is equipped with a plurality of back locking holes, and every preceding locking hole corresponds a back locking hole, procapsid and back casing are through the long screwed connection of many passing preceding locking hole and back locking hole.

8. A brushless motor for a door opening machine according to claim 1, wherein: six wrapping posts are arranged.

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