CN214755866U

CN214755866U - Three-phase hybrid stepping motor

Info

Publication number: CN214755866U
Application number: CN202121177515.0U
Authority: CN
Inventors: 聂鹏举; 刘辉; 朱勇民
Original assignee: Shenzhen Kelier Intelligent Control Technology Co ltd
Current assignee: Shenzhen Kelier Intelligent Control Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-16
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a three-phase hybrid step motor, including the casing, the outside of casing encircles the casing round and has seted up more than one logical groove, leads to groove internal face both sides and is provided with the piece that removes dust more than respectively, and every leads to the inslot and all installs a hollow radiating fin, and a logical groove is seted up respectively to radiating fin's both sides face, leads to the inslot and all installs a filter screen, and the piece that removes dust more than stretches into and leads to the inslot and contact with the filter screen, a casing inside fixed mounting support. The utility model discloses a step motor sets up radiating fin into hollow structure for radiating fin has the effect of heat dissipation ventilation, and radiating fin can regard as the use of coiling of power cord, makes concertina movement with the radiating fin of power cord drive activity, and sealed radiating fin when not using reaches waterproof purpose, can utilize the clean filter screen of silica gel doctor-bar when using, reduces piling up of dust, has saved the manual dust removal operation action.

Description

Three-phase hybrid stepping motor

Technical Field

The utility model relates to a step motor, concretely relates to three-phase hybrid step motor.

Background

The hybrid stepping motor is designed by combining the advantages of a permanent magnet type and a reaction type. The three-phase hybrid stepping motor is divided into two phases, three phases and five phases, the two-phase stepping angle is generally 1.8 degrees, the three-phase stepping angle is generally 1.2 degrees, the five-phase stepping angle is generally 0.72 degrees, the three-phase hybrid stepping motor can emit heat in the long-time working process, dust falls into a base, at present, in order to increase heat dissipation performance, a heat dissipation fin is arranged on the motor, in order to prevent the dust from entering the inside of the stepping motor, a dust screen is generally arranged at the position of the heat dissipation hole, the structural complexity of the motor can be increased by the mode of arranging the dust screen and the heat dissipation fin, meanwhile, a large amount of dust can be adhered to the dust screen after the dust screen is used for a long time, manual periodical cleaning is needed, and inconvenience is very high. And when the motor is not used, the storage of the power cord of the motor is also a big problem.

Disclosure of Invention

The utility model aims to solve the technical problem that a three-phase hybrid step motor adopts a hollow radiating fin structure, is carrying the filter screen, can effectively solve not enough among the prior art.

The utility model discloses a realize through following technical scheme: the utility model provides a three-phase hybrid step motor, includes the casing, and the outside of casing encircles the casing round and has seted up more than one logical groove, leads to the inslot face both sides and is provided with more than one dust removal piece respectively, and every leads to the inslot and all installs a hollow radiating fin, and radiating fin's both sides face is seted up a logical groove respectively, leads to the inslot and all installs a filter screen, and more than one dust removal piece stretches into and leads to the inslot and contact with the filter screen, a casing inside fixed mounting support, support medial extremity installation stator, rotor install in the middle of the stator, correspond every radiating fin on the support and all be provided with more than one supporting spring, all be provided with a bottom open-ended in the radiating fin and hold the chamber, supporting spring's one end and support fixed connection, the other end stretches into in radiating fin hold the intracavity, outwards ejecting radiating fin through supporting spring.

As a preferred technical scheme, the outer ends of the through grooves of the radiating fins are respectively provided with a limiting support part, and when the radiating fins are retracted into the casing, the limiting support parts are in contact with the outer wall surface of the casing.

As a preferred technical scheme, the support is fixedly connected with the inner wall surface of the shell through more than one connecting rod.

As a preferred technical scheme, more than one U-shaped slot is arranged on the outer side surface of each radiating fin, a power supply wire of the stepping motor is wound in the U-shaped slot of each radiating fin, and each radiating fin is pressed down by using the power supply wire so that each radiating fin is retracted into the shell.

As a preferred technical scheme, the radiating fins are all made of aluminum alloy materials, and the dust removing sheets are all flexible silica gel scraping sheets which are in an arch shape after being contacted with the filter screen.

As the preferred technical scheme, the lower end face of the limiting and supporting part is an arc-shaped face, and a silica gel sealing piece is embedded into the arc-shaped face.

The utility model has the advantages that: the utility model discloses a step motor sets up radiating fin into hollow structure for radiating fin has the effect of heat dissipation ventilation, and radiating fin can regard as the use of coiling of power cord, makes concertina movement with the radiating fin of power cord drive activity, and sealed radiating fin when not using reaches waterproof purpose, can utilize the clean filter screen of silica gel doctor-bar when using, reduces piling up of dust, has saved the manual dust removal operation action.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a usage state diagram of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in figures 1-3, the utility model discloses a three-phase hybrid stepping motor, including a casing 1, the outside of casing 1 has more than one through groove around the casing circle, there are more than one dust removal piece 12 respectively on the both sides of the through groove inner wall, each through groove installs a hollow heat radiation fin 2, the both sides of heat radiation fin 2 have a through groove respectively, all install a filter screen 3 in the through groove, more than one dust removal piece 12 stretches into and contacts with filter screen 3, a bracket 5 is fixedly installed in casing 1, the stator is installed on the inboard end of bracket 5, the rotor is installed in the middle of the stator, the bracket is provided with more than one supporting spring 6 corresponding to each heat radiation fin, the heat radiation fin 2 is provided with a bottom open-ended containing cavity 11, one end of supporting spring 6 is fixedly connected with bracket 5, the other end stretches into the containing cavity 11 of heat radiation fin 2, the heat radiating fins 2 are pushed out by the supporting springs 6.

The outer ends of the through grooves of the heat dissipation fins 2 are respectively provided with a limiting support part 20, and when the heat dissipation fins are retracted into the casing 1, the limiting support parts 20 are in contact with the outer wall surface of the casing 1. The lower end face of the limiting and supporting part 20 is an arc-shaped face, and a silica gel sealing sheet is embedded in the arc-shaped face. Utilize the silica gel gasket to make radiating fin in the inside back of retraction in the casing, with the casing outer wall direct contact sealing waterproof nature better, so when not using, the power coil is around outside the motor, inside radiating fin is located the motor, utilizes spacing supporting part this moment for the heat dissipation opening seals, has very good waterproof sealing nature when not using.

Wherein, the bracket 5 is fixedly connected with the inner wall surface of the machine shell 1 through more than one connecting rod 4. Every radiating fin's lateral surface all is provided with more than one U type wire casing 21, and step motor's power cord 100 coils in each radiating fin's U type wire casing 21 to utilize power cord 100 to push down every radiating fin, make inside each radiating fin invaginates in the casing, as shown in fig. 4, the power cord can coil in radiating fin's outside, make more convenience of accomodating of power cord, but also the invagination radiating fin simultaneously, increase waterproof nature.

The radiating fins 2 are made of aluminum alloy materials, the dust removing pieces 12 are flexible silica gel scraping pieces and are in an arch shape after being contacted with the filter screen, when the radiating fins extend out and contract, the silica gel scraping pieces can be used for removing dust on the filter screen, the purpose of automatic cleaning is achieved, and frequent manual operation is not needed.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A three-phase hybrid stepping motor, characterized in that: including the casing, the outside of casing encircles the casing round and has seted up more than one logical groove, leads to the inslot face both sides and is provided with more than one dust removal piece respectively, and every leads to the inslot and all installs a hollow radiating fin, and a logical groove is seted up respectively to radiating fin's both sides face, leads to the inslot and all installs a filter screen, and more than one dust removal piece stretches into with lead to the inslot and contact with the filter screen, a casing inside fixed mounting support, support medial extremity installation stator, rotor are installed in the middle of the stator, correspond every radiating fin on the support and all are provided with more than one supporting spring, all are provided with a bottom open-ended in the radiating fin and hold the chamber, and supporting spring's one end and support fixed connection, the other end stretch into in radiating fin hold the intracavity, outwards ejecting radiating fin through supporting spring.

2. The three-phase hybrid stepping motor of claim 1, wherein: and the outer side ends of the through grooves of the radiating fins are respectively provided with a limiting supporting part, and when the radiating fins are retracted into the machine shell, the limiting supporting parts are contacted with the outer wall surface of the machine shell.

3. The three-phase hybrid stepping motor of claim 1, wherein: the support is fixedly connected with the inner wall surface of the shell through more than one connecting rod.

4. The three-phase hybrid stepping motor of claim 1, wherein: more than one U-shaped wire groove is formed in the outer side face of each radiating fin, a power supply wire of the stepping motor is wound in the U-shaped wire grooves of the radiating fins, and each radiating fin is pressed downwards by the power supply wire so that each radiating fin is retracted into the shell.

5. The three-phase hybrid stepping motor of claim 1, wherein: the heat dissipation fins are all made of aluminum alloy materials, the dust removal pieces are all made of flexible silica gel scraping pieces, and the dust removal pieces are in an arch shape after being in contact with the filter screen.

6. The three-phase hybrid stepping motor of claim 2, wherein: the lower end face of the limiting supporting portion is an arc-shaped face, and a silica gel sealing piece is embedded into the arc-shaped face.