CN218514217U

CN218514217U - Stepping motor with noise reduction effect

Info

Publication number: CN218514217U
Application number: CN202222340023.XU
Authority: CN
Inventors: 冯俭; 付鹏程; 金三明
Original assignee: Shenzhen Yinuo Micromotor Co ltd
Current assignee: Shenzhen Yinuo Micromotor Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-02-21
Anticipated expiration: 2032-09-03

Abstract

The utility model discloses a step motor with noise reduction effect belongs to step motor technical field, including shell and pivot, the shell below is provided with the base, and pivot one end is connected with the bearing, and the bearing lateral wall is connected with the spacing ring, is provided with a plurality of bolts outward of spacing ring, and bolted connection has the correction cover, and the pivot is connected with the rotor, and the rotor is provided with a plurality of stators outward, and the stator is connected with the winding, and the winding is provided with the motor cover outward, and motor cover lateral wall is connected with the rubber pad, and the rubber pad is connected with the telescopic link, and the telescopic link overcoat is equipped with the spring. The utility model discloses a setting of bolt and spacing ring can let the pivot correct after taking place the skew, reduces because the noise that the pivot skew produced, and the vibrations that produce when can rotating at a high speed to the rotor slow down in the setting of telescopic link and rubber pad simultaneously, and inside damping device's setting also does benefit to the heat dissipation of motor when guaranteeing the motor steadiness.

Description

Stepping motor with noise reduction effect

Technical Field

The utility model relates to a step motor technical field especially relates to a step motor with noise reduction.

Background

A stepper motor is an electric motor that converts electrical pulse signals into corresponding angular or linear displacements. Every time a pulse signal is input, the rotor rotates an angle or advances one step, the output angular displacement or linear displacement is in direct proportion to the input pulse number, and the rotating speed is in direct proportion to the pulse frequency. Therefore, the stepping motor is also called a pulse motor.

Step motor is when using, step driver receives a pulse signal, drive step motor rotates a fixed angle according to the direction of setting for, be called "step angle", its rotation is with one-step operation of fixed angle, can control the angular displacement volume through the control pulse number, thereby reach the purpose of accurate positioning, at this in-process, step motor can produce multiple noise, cause the pollution to the environment, wherein take place to rotate between stator and the rotor and can produce vibrations, thereby drive whole motor vibrations, the pivot also can produce a large amount of noises when the skew takes place in rotating simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the big problem of step motor noise among the prior art, and the step motor who provides has noise reduction effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a step motor with noise reduction effect, includes shell and pivot, the shell below is provided with the base, pivot one end is connected with the bearing, the bearing lateral wall is connected with the spacing ring, the spacing ring is provided with a plurality of bolts outward, bolted connection has the correction cover, the pivot is connected with the rotor, and the rotor is provided with a plurality of stators outward, the stator is connected with the winding, the winding is provided with the motor cover outward, motor cover lateral wall is connected with the rubber pad, the rubber pad is connected with the telescopic link, the telescopic link overcoat is equipped with the spring.

Preferably, the bottom end of the shell is fixedly connected with the top end of the base, and the base is made of hard rubber.

Preferably, the outer side wall of the rotating shaft is fixedly connected with the inner side wall of the bearing, and the outer side wall of the bearing is fixedly connected with the inner side wall of the limiting ring.

Preferably, a plurality of threaded holes are formed in the side wall of the correction cover, and the inner side wall of each threaded hole is in threaded connection with the outer side wall of the bolt.

Preferably, the outer side wall of the rotating shaft is fixedly connected with the inner side wall of the rotor, the rotor is matched with the stator, and the side wall of the stator is fixedly connected with one end of the winding.

Preferably, the top end of the rubber pad is fixedly connected with the bottom end of the spring, and the top end of the spring is fixedly connected with the telescopic rod.

Preferably, the top end of the telescopic rod is fixedly connected with a damping sleeve, and the outer side wall of the damping sleeve is fixedly connected with a protective sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this scheme, through the setting of bolt and spacing ring, can let the pivot correct after taking place the skew, reduce because the noise that the pivot skew produced.

2. In this scheme, through the setting of telescopic link and rubber pad, the vibrations that produce when can rotating at a high speed to the rotor slow down, and inside damping device's setting also does benefit to the heat dissipation of motor when guaranteeing the motor steadiness.

Drawings

Fig. 1 is a schematic perspective view of a stepping motor with noise reduction effect according to the present invention;

fig. 2 is a schematic structural view of a correction cover in a stepping motor with a noise reduction effect according to the present invention;

fig. 3 is a schematic structural diagram of a bolt in a stepping motor with a noise reduction effect according to the present invention;

fig. 4 is the utility model provides a structural schematic diagram of spring in step motor with noise reduction effect.

In the figure: 1. a housing; 2. a rotating shaft; 3. a base; 4. a rectification cover; 5. a bolt; 6. a limiting ring; 7. a bearing; 8. a rotor; 9. a stator; 10. a winding; 11. a motor cover; 12. a telescopic rod; 13. a spring; 14. a rubber pad; 15. a shock-absorbing sleeve; 16. and (6) a protective sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a stepping motor with noise reduction effect comprises a shell 1 and a rotating shaft 2, a base 3 is arranged below the shell 1, one end of the rotating shaft 2 is connected with a bearing 7, the outer side wall of the bearing 7 is connected with a limiting ring 6, a plurality of bolts 5 are arranged outside the limiting ring 6, the bolts 5 are connected with a correction cover 4, the bottom end of the shell 1 is fixedly connected with the top end of the base 3, the base 3 is made of hard rubber, the outer side wall of the rotating shaft 2 is fixedly connected with the inner side wall of the bearing 7, the outer side wall of the bearing 7 is fixedly connected with the inner side wall of the limiting ring 6, a plurality of threaded holes are formed in the side wall of the correction cover 4, the inner side wall of the threaded hole is in threaded connection with the outer side wall of the bolt 5, the adjusting bolt 5 can correct the deviated rotating shaft 2 to reduce noise, and the base 3 can reduce noise generated when the motor shell 1 and external vibration;

the rotating shaft 2 is connected with a rotor 8, a plurality of stators 9 are arranged outside the rotor 8, the stators 9 are connected with windings 10, motor covers 11 are arranged outside the windings 10, the outer side wall of the rotating shaft 2 is fixedly connected with the inner side wall of the rotor 8, the rotor 8 is matched with the stators 9, the side walls of the stators 9 are fixedly connected with one end of the windings 10, and the motor covers 11 are regular octagonal frames, so that the arrangement of a subsequent damping and noise reduction structure is facilitated;

11 lateral walls of motor cover are connected with rubber pad 14, rubber pad 14 is connected with telescopic link 12, 12 overcoat of telescopic link is equipped with

spring

13, 14 top of rubber pad and 13 bottom fixed connection of spring, 13 top of spring and 12 fixed connection of telescopic link, 12 top fixedly connected with damping sleeve 15 of telescopic link, 15 lateral walls fixedly connected with protective sheath 16 of damping sleeve, spring 13 is flexible on telescopic link 12 during vibrations, can reduce vibration amplitude, rubber pad 14 also can prevent to produce the noise between telescopic link 12 and the motor cover 11.

The utility model discloses when using, coil circular telegram cooperation stator 9 on the winding 10 lets rotor 8 rotate, it rotates to drive pivot 2, in this in-process, can produce great vibrations, thereby produce the noise, elastic expansion of spring 13 on telescopic link 12 during vibrations, can reduce the vibration range, rubber pad 14 also can prevent to produce the noise between telescopic link 12 and the motor casing 11, damping sleeve 15 is regular octagon, there is the space between it and the protective sheath 16, fill soundproof cotton in the space between damping sleeve 15 and protective sheath 16, can the noise reduction, pivot 2 lets bolt 5 set up an originated scale mark when fixed when the equipment, when pivot 2 takes place the skew in rotating, through adjusting bolt 5 to originated scale mark help its pivot 2 of correcting the skew, come the noise reduction, base 3 is the hard rubber material, the noise that produces when can reduce motor housing 1 and outside vibrations.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a step motor with noise reduction effect, includes shell (1) and pivot (2), its characterized in that, shell (1) below is provided with base (3), pivot (2) one end is connected with bearing (7), bearing (7) lateral wall is connected with spacing ring (6), spacing ring (6) are provided with a plurality of bolts (5) outward, bolt (5) are connected with and correct cover (4), pivot (2) are connected with rotor (8), and rotor (8) are provided with a plurality of stator (9) outward, stator (9) are connected with winding (10), winding (10) are provided with motor cover (11) outward, motor cover (11) lateral wall is connected with rubber pad (14), rubber pad (14) are connected with telescopic link (12), telescopic link (12) overcoat is equipped with spring (13).

2. The stepping motor with noise reduction effect according to claim 1, wherein the bottom end of the housing (1) is fixedly connected with the top end of the base (3), and the base (3) is made of hard rubber.

3. The stepping motor with the noise reduction effect according to claim 1, wherein an outer side wall of the rotating shaft (2) is fixedly connected with an inner side wall of the bearing (7), and an outer side wall of the bearing (7) is fixedly connected with an inner side wall of the limiting ring (6).

4. The stepping motor with the noise reduction effect according to claim 1, wherein a plurality of threaded holes are formed in the side wall of the correction cover (4), and the inner side wall of each threaded hole is in threaded connection with the outer side wall of the bolt (5).

5. The stepping motor with the noise reduction effect according to claim 1, wherein the outer side wall of the rotating shaft (2) is fixedly connected with the inner side wall of the rotor (8), the rotor (8) is matched with the stator (9), and the side wall of the stator (9) is fixedly connected with one end of the winding (10).

6. The stepping motor with noise reduction effect according to claim 1, wherein the top end of the rubber pad (14) is fixedly connected with the bottom end of the spring (13), and the top end of the spring (13) is fixedly connected with the telescopic rod (12).

7. The stepping motor with the noise reduction effect according to claim 1, wherein a shock absorption sleeve (15) is fixedly connected to the top end of the telescopic rod (12), and a protective sleeve (16) is fixedly connected to the outer side wall of the shock absorption sleeve (15).