Motor convenient for output shaft connection

Abstract

The utility model discloses a motor convenient for output shaft connection, a motor rotating shaft extends out of a support to be connected with an output shaft, the rotating shaft is connected with the output shaft through a threaded sleeve, the opposite connecting ends of the rotating shaft and the output shaft are respectively provided with a threaded connector, and the threaded sleeve is in threaded connection with the threaded connector; one opposite connecting end of the rotating shaft and the output shaft is provided with an inserting groove, the other opposite connecting end of the rotating shaft and the output shaft is provided with an inserting column, the inner wall of the inserting groove is provided with limiting strips parallel to the axial direction of the inserting groove, the limiting strips are distributed around the circumferential direction of the inserting groove, the outer wall face of the inserting column is provided with limiting grooves corresponding to the limiting strips, the inserting column is inserted into the inserting groove, and the limiting strips are inserted into the limiting grooves. The threaded sleeve is in threaded connection with the threaded connector so as to connect the rotating shaft and the output shaft. Meanwhile, the inserting columns are inserted into the inserting grooves, the limiting strips are inserted into the limiting grooves, the rotating shaft and the output shaft are mutually positioned in the circumferential direction, and therefore the rotating shaft can drive the output shaft to rotate. The rotating shaft and the output shaft are simple in connection operation and convenient to disassemble to replace the output shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field especially relates to a motor convenient for output shaft connection. BACKGROUND

[0002] The motor generally includes support, stator connected on the support, rotor from the stator inner chamber, the rotation axis of the rotor two ends is rotatably connected with the both ends of the support, and the rotor rotation axis is connected with the commutator, and the support is installed with the brush corresponding with the commutator. The commutator completes the commutation of current through the friction contact with the brush, and guarantees the normal operation of the motor. At least one rotation axis is connected with the output shaft from the support, and the motor drives the rotation of the output shaft. Since the motor is often applied in various products, different structures of output shaft are needed to be connected with the driven member. How to make the connection and replacement of the motor rotation axis and the output shaft more convenient is the technical problem to be solved by the utility model. SUMMARY

[0003] The main purpose of the utility model is to provide a motor, which aims at realizing the connection and replacement of the motor rotation axis and the output shaft more conveniently.

[0004] The utility model provides a motor convenient for output shaft connection, including support, stator connected on the support, rotor from the stator inner chamber, the rotation axis of the rotor two ends is rotatably connected with the both ends of the support, at least one the rotation axis is connected with the output shaft from the support, the rotation axis is connected with the output shaft through the thread sleeve, and the relative connection end of the rotation axis and the output shaft is equipped with the threaded connector respectively, and the threaded sleeve is connected with the threaded connector threadedly;

[0005] One of the relative connection end of the rotation axis and the output shaft is equipped with the slot, and the other relative connection end is equipped with the insertion column, the inner wall of the slot is equipped with the limit strip parallel with its axial direction, the limit strip is distributed around the circumference of the slot, the outer wall surface of the insertion column is equipped with the limit slot corresponding with the limit strip, the insertion column is inserted into the slot, and the limit strip is inserted into the limit slot.

[0006] Preferably, the inner bottom surface of the slot is equipped with a plurality of second limit slots along the circumference, the top end surface of the insertion column is equipped with the limit block matched with the second limit slot, the second limit slot is located obliquely below the limit strip, the inner side surface of the second limit slot is the inclined guide surface, the limit block slides into the second limit slot from the inclined guide surface, and when the limit block is clamped into the second limit slot, the side of the limit strip is close to the side of the limit slot.

[0007] Preferably, the rotation directions of the threads on the two threaded connectors are opposite, and the thread sleeve is respectively equipped with the internal thread matched with the threads on the two threaded connectors.

[0008] The motor has the advantages that:

[0009] The threaded sleeve is threadedly connected with the threaded connecting head, so as to connect the rotating shaft and the output shaft. Meanwhile, the insertion column is inserted into the insertion slot, and the limiting strip is inserted into the limiting slot, so that the rotating shaft and the output shaft are positioned in the circumferential direction, and the rotating shaft can drive the output shaft to rotate.

[0010] The connection operation of the rotating shaft and the output shaft is simple and convenient, and the output shaft can be replaced conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a front view of the motor of the embodiment of the utility model.

[0012] Fig. 2 It is a schematic view of the motor of the embodiment of the utility model when the output shaft is not connected.

[0013] The implementation, functional features and advantages of the utility model will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0014] It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0015] Reference Figs. 1-2 , an embodiment of a motor convenient for output shaft connection is provided:

[0016] The motor convenient for output shaft connection comprises a support 1, a stator 2 connected to the support 1, a rotor penetrating the inner cavity of the stator 2, rotating shafts at two ends of the rotor and rotatingly connected to two ends of the support 1, and an output shaft 4 connected to the rotating shaft 3 at one end of the support 1. The rotating shaft of the rotor is connected with a commutator, and the support 1 is provided with a brush corresponding to the commutator.

[0017] The stator 2 is the static part of the motor, which generates a magnetic field through the electromagnetic induction principle. The rotor is the rotating part of the motor, which is located in the inner cavity of the stator. The rotation of the rotor is supported by the rotating shafts at two ends, and the rotating shafts are connected to the support 1 through bearings respectively. The commutator completes the commutation of the current through the friction contact with the brush, and ensures the normal operation of the motor. When the motor is powered on, the stator 2 generates a rotating magnetic field to drive the rotor to rotate. The rotor drives the output shaft 4 to rotate.

[0018] The end of the rotating shaft 3 connected to the output shaft 4 oppositely is provided with a slot 32, the end of the output shaft 4 connected to the rotating shaft 3 oppositely is provided with a plug post, the inner wall of the slot 32 is provided with a limiting strip 33 parallel to the axial direction of the slot 32, the limiting strip 33 is distributed around the circumference of the slot 32, the outer wall surface of the plug post is provided with a limiting groove corresponding to the limiting strip 33, the plug post is inserted into the slot 32, the limiting strip 33 is inserted into the limiting groove, the rotating shaft 3 and the output shaft 4 are positioned in the circumferential direction, so that the rotating shaft 3 can drive the output shaft 4 to rotate.

[0019] The rotating shaft 3 and the output shaft 4 are connected through a threaded sleeve 5, the opposite connecting ends of the rotating shaft 3 and the output shaft 4 are respectively provided with threaded connectors, and the threaded sleeve 5 is threadedly connected with the threaded connectors 31 of the rotating shaft 3 and the output shaft 4. The threaded sleeve 5 can be sleeved on the rotating shaft or the output shaft and located above the threaded connectors, when the rotating shaft 3 and the output shaft 4 are connected, the plug post is first inserted into the slot 32, the limiting strip 33 is inserted into the limiting groove, and then the threaded sleeve 5 is rotated to be threadedly connected with the two threaded connectors, so as to connect the rotating shaft 3 and the output shaft 4. The connecting operation of the rotating shaft 3 and the output shaft 4 is simple, and the output shaft 4 can be conveniently disassembled and replaced.

[0020] In another embodiment, the rotation directions of the threads on the two threaded connectors are opposite, and the threaded sleeve is respectively provided with internal threads matched with the threads on the two threaded connectors, so that the threaded sleeve is arranged between the two threaded connectors, and the threaded sleeve is rotated to be threadedly connected with the threaded connectors on both sides at the same time. While being threadedly connected, the plug post is gradually inserted into the slot, and the limiting strip is gradually inserted into the limiting groove.

[0021] In order to make the rotating shaft 3 and the output shaft 4 more closely combined in the circumferential direction, a second limiting groove 34 is arranged on the inner bottom surface of the slot 32, and a limiting block matched with the second limiting groove 34 is arranged on the top end surface of the plug post. The second limiting groove 34 is located obliquely below the limiting strip 33, and the inner surface of one side of the second limiting groove 34 is an inclined guide surface. When the plug post is inserted into the slot 32 and the limiting strip 33 is inserted into the limiting groove, the limiting block slides into the second limiting groove 34 from the inclined guide surface. When the limiting block completely slides into the second limiting groove 34, the rotating shaft 3 and the output shaft 4 are slightly rotated relative to each other, so that one side of the limiting strip 33 tightly abuts one side of the limiting groove, thereby realizing the close combination of the rotating shaft 3 and the output shaft 4 in the circumferential direction.

[0022] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application, any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the present application is also included in the patent protection range of the present application.

Claims

1. A motor with convenient output shaft connection, comprising a support, a stator connected to the support, a rotor penetrating the inner cavity of the stator, the rotating shafts at both ends of the rotor are respectively connected with the two ends of the support in rotation, and at least one of the rotating shafts extends from the support to be connected with an output shaft, characterized in that, The rotating shaft and the output shaft are connected through a threaded sleeve, opposite connecting ends of the rotating shaft and the output shaft are respectively provided with threaded connectors, and the threaded sleeve is threadedly connected with the threaded connectors. One of the opposite connecting ends of the rotating shaft and the output shaft is provided with a slot, and the other opposite connecting end is provided with a plug column, an inner wall of the slot is provided with a limiting strip parallel to an axial direction of the slot, the limiting strip is distributed around a circumferential direction of the slot, an outer wall surface of the plug column is provided with a limiting groove corresponding to the limiting strip, the plug column is inserted into the slot, and the limiting strip is inserted into the limiting groove.

2. The electric machine of claim 1, wherein, A plurality of second limiting grooves are arranged on an inner bottom surface of the slot around a circumferential direction, a limiting block matched with the second limiting grooves is arranged on a top end surface of the plug column, the second limiting grooves are located obliquely below the limiting strip, an inner surface of one side of the second limiting groove is an inclined guide surface, the limiting block slides into the second limiting groove from the inclined guide surface, and when the limiting block is clamped into the second limiting groove, one side of the limiting strip is tightly attached to one side of the limiting groove.

3. The electric machine of claim 1 or 2, characterized in that Rotating directions of threads on the two threaded connectors are opposite, and the threaded sleeve is respectively provided with internal threads matched with the threads on the two threaded connectors.

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