阅读说明：本技术 一种电机 (Electric machine ) 是由 陈霞 韦中政 张晓俊 于 2019-10-14 设计创作，主要内容包括：本发明提供了一种电机。包括输出轴、传动件和第一固定件。本发明技术方案通过在齿轮箱与电机的输出轴之间设置有传动件,且电机的输出轴上开设有第一固定孔,可以理解,第一固定孔可以是盲孔,也可以是贯穿电机的输出轴,同时在传动件上设置第二固定孔,传动件套设于电机的输出轴上,且第一固定孔与第二固定孔位置对应,第一固定件插设于第二固定孔以及第一固定孔中,将传动件与电机的输出轴固定连接,传动件可以设置于齿轮箱的输入端,或者可以与齿轮箱的输入轴固定连接,通过上述方式,在长期使用中,可以防止传动件与电机的输出轴脱落。(The invention provides a motor. Comprises an output shaft, a transmission part and a first fixing part. According to the technical scheme, the transmission piece is arranged between the gear box and the output shaft of the motor, the output shaft of the motor is provided with the first fixing hole, the first fixing hole can be a blind hole or can penetrate through the output shaft of the motor, meanwhile, the transmission piece is provided with the second fixing hole, the transmission piece is sleeved on the output shaft of the motor, the first fixing hole corresponds to the second fixing hole in position, the first fixing piece is inserted into the second fixing hole and the first fixing hole to fixedly connect the transmission piece with the output shaft of the motor, the transmission piece can be arranged at the input end of the gear box or can be fixedly connected with the input shaft of the gear box, and the transmission piece and the output shaft of the motor can be prevented from falling off in long-term use through the mode.)

1. An electric machine, comprising:

the output shaft is radially provided with a first fixing hole;

the transmission piece is sleeved on the output shaft, a second fixing hole penetrating through the transmission piece is formed in the transmission piece, and the second fixing hole corresponds to the first fixing hole in position;

the first fixing piece is inserted in the second fixing hole and the first fixing hole.

2. The motor of claim 1, wherein the first fixing hole is a through hole penetrating the output shaft.

3. The motor according to claim 2, wherein a third fixing hole communicating with the first fixing hole is further formed in the transmission member at a position symmetrical to the first fixing hole, the first fixing member is inserted into the second fixing hole, the first fixing hole, and the third fixing hole, and both ends of the first fixing member are respectively located in the second fixing hole and the third fixing hole.

4. The motor of claim 1, wherein the diameter of the transmission member is greater than or equal to the length of the first fixing member, so that the first fixing member is received in the first fixing hole and the second fixing hole.

5. The electric machine of claim 1, further comprising:

the transition sleeve is arranged between the transmission part and the output shaft, and the first fixing part sequentially penetrates through the transmission part, the transition sleeve and the output shaft.

6. The motor according to claim 1, wherein a length of the transmission member in an axial direction of the output shaft is larger than a length of the output shaft.

7. An electric machine as claimed in claim 6, wherein the end of the transmission remote from the output shaft is provided with internal teeth for engagement with the input shaft of the gearbox.

8. The motor of claim 1, wherein the first fixing member is in interference fit or threaded connection with the first fixing hole.

9. The electric machine of claim 1, further comprising:

the fixing sleeve is arranged on the peripheral wall of the transmission part and used for sealing the first fixing part in the first fixing hole and the second fixing hole.

10. The motor of claim 9 wherein said retaining sleeve is snap-fit to said drive member.

Technical Field

The invention relates to the field of motor equipment, in particular to a motor.

Background

The motor generally includes stator, rotor, casing and other complementary unit, and stator and rotor all locate in the casing, and stator and casing zonulae occludens, and the pivot is fixed in rotor central point and puts, and to the circular telegram of motor stator production rotating magnetic field, drive the rotor operation, transmit power for load equipment through the pivot. Therefore, the motor can be widely applied to various industries, but for some equipment needing larger torque, if the rotation of the larger torque is directly realized through the output shaft of the motor, the output power of the motor is very large, the overload risk is easily caused, the output shaft of the motor is damaged, and the like.

Disclosure of Invention

The invention mainly aims to provide a motor and aims to solve the technical problem that a connecting mechanism is easy to fall off from an output shaft of the motor.

In order to achieve the above object, the present invention provides a motor, including an output shaft, wherein a first fixing hole is formed in a radial direction of the output shaft;

the transmission piece is sleeved on the output shaft, a second fixing hole penetrating through the transmission piece is formed in the transmission piece, and the second fixing hole corresponds to the first fixing hole in position;

the first fixing piece is inserted in the second fixing hole and the first fixing hole.

Preferably, the first fixing hole is a through hole penetrating the output shaft.

Preferably, a third fixing hole communicated with the first fixing hole is further formed in a position, symmetrical to the first fixing hole, of the transmission member, the first fixing member is inserted into the second fixing hole, the first fixing hole and the third fixing hole, and two ends of the first fixing member are located in the second fixing hole and the third fixing hole respectively.

Preferably, the diameter of the transmission member is greater than or equal to the length of the first fixing member, so that the first fixing member is accommodated in the first fixing hole and the second fixing hole.

Preferably, the motor further includes:

the transition sleeve is arranged between the transmission part and the output shaft, and the first fixing part sequentially penetrates through the transmission part, the transition sleeve and the output shaft.

Preferably, the length of the transmission member in the axial direction of the output shaft is greater than the length of the output shaft.

Preferably, the end of the transmission member remote from the output shaft is provided with internal teeth for engagement with an input shaft of a gearbox.

Preferably, the first fixing piece and the first fixing hole are in interference fit or threaded connection.

Preferably, the motor further includes:

the fixing sleeve is arranged on the peripheral wall of the transmission part and used for sealing the first fixing part in the first fixing hole and the second fixing hole.

Preferably, the fixing sleeve and the transmission member are in snap fit.

According to the technical scheme, the transmission piece is arranged between the gear box and the output shaft of the motor, the output shaft of the motor is provided with the first fixing hole, the first fixing hole can be a blind hole or can penetrate through the output shaft of the motor, meanwhile, the transmission piece is provided with the second fixing hole, the transmission piece is sleeved on the output shaft of the motor, the first fixing hole corresponds to the second fixing hole in position, the first fixing piece is inserted into the second fixing hole and the first fixing hole to fixedly connect the transmission piece with the output shaft of the motor, the transmission piece can be arranged at the input end of the gear box or can be fixedly connected with the input shaft of the gear box, and the transmission piece and the output shaft of the motor can be prevented from falling off in long-term use through the mode.

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 the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an electric machine according to the present invention;

FIG. 2 is an exploded view of an embodiment of the motor of the present invention;

FIG. 3 is a schematic structural diagram of another embodiment of the motor of the present invention;

FIG. 4 is a schematic view of a transmission member of a further embodiment of the motor of the present invention;

fig. 5 is a schematic structural diagram of a transmission member according to an embodiment of the motor of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Electric machine	11	Output shaft
12	Transmission member	13	First fixed part
				14	Fixing sleeve	15	Transition casing
20	Gear box	A	First fixing hole
				B	Second fixing hole

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides an electric machine 10.

A motor 10 comprises an output shaft 11, wherein a first fixing hole A is formed in the radial direction of the output shaft 11; the transmission piece 12 is sleeved on the output shaft 11, a second fixing hole B penetrating through the transmission piece 12 is formed in the transmission piece 12, and the second fixing hole B corresponds to the first fixing hole A in position; and the first fixing piece 13 is inserted in the second fixing hole B and the first fixing hole A, and the first fixing piece 13 is inserted in the second fixing hole B and the first fixing hole A.

In the conventional motor 10, the output shaft 11 is directly connected to an actuating device, such as a gear, a pulley, or a chain, and the actuating device is driven to rotate by the output power of the motor 10, and in the case that the input end cannot be directly and fixedly connected to the output shaft 11 of the motor 10, the output shaft 11 of the motor 10 is connected to the input end of the actuating device by a connecting member, so that when the torque for driving the actuating device is large, the output shaft 11 of the motor 10 is easily broken, and the output shaft 11 of the motor 10 is directly broken, or in the process of long-term rotation, the output shaft 11 of the motor 10 and the transmission member 12 may fall off due to inertia force.

In view of this, in this embodiment, when the execution device needs to output a large torque driving force, most of the torque generated by the motor 10 as a driving element cannot be directly connected to the execution device, if the execution device is directly driven by the output shaft 11 of the motor 10, the output shaft 11 of the motor 10 may be overloaded at the moment of starting the motor 10, so a gear box 20 or a speed adjusting device needs to be disposed on the output shaft 11 of the motor 10, as shown in fig. 1 to 2, a transmission member 12 is disposed between the gear box 20 and the output shaft 11 of the motor 10, and a first fixing hole a is disposed on the output shaft 11 of the motor 10, it can be understood that the first fixing hole a may be a blind hole (e.g., a countersunk hole) or may penetrate through the output shaft 11 of the motor 10, and a second fixing hole B is disposed on the transmission member 12, the transmission member 12 is disposed on the output shaft 11 of the motor 10, and the first fixing hole a corresponds to the second fixing, the first fixing member 13 is inserted into the second fixing hole B and the first fixing hole a, and fixedly connects the transmission member 12 with the output shaft 11 of the motor 10, and the transmission member 12 may be disposed at the input end of the gear box 20, or may be fixedly connected with the input shaft of the gear box 20.

As another embodiment, an external thread may be tapped on the output shaft 11 of the motor 10, an internal thread may be tapped at one end of the transmission member 12, the transmission member 12 is fixedly connected with the external thread of the output shaft 11 of the motor 10 through the internal thread, and the output shaft 11 of the motor 10 is provided with the first fixing hole a, the first fixing member 13 is inserted into the second fixing hole B and the first fixing hole a, so as to fixedly connect the transmission member 12 with the output shaft 11 of the motor 10, and the transmission member 12 may be disposed at the input end of the gear box 20 or may be fixedly connected with the input shaft of the gear box 20.

Specifically, the first fixing hole a is a through hole penetrating through the output shaft 11. In this embodiment, the first fixing hole a is a through hole penetrating through the output shaft 11, and the transmission member 12 is inserted into the first fixing hole a from the second fixing hole B until abutting against the inner wall of the transmission member 12, which is beneficial to improving the stability between the transmission member 12 and the output shaft 11 of the motor 10.

Specifically, a third fixing hole (not shown) communicating with the first fixing hole a is further formed in a position, symmetrical to the first fixing hole a, of the transmission member 12, the first fixing member 13 is inserted into the second fixing hole B, the first fixing hole a, and the third fixing hole, and two ends of the first fixing member 13 are respectively located in the second fixing hole B and the third fixing hole. In this embodiment, a third fixing hole is formed in the transmission member 12 at a position symmetrical to the first fixing hole a, the third fixing hole is communicated with the first fixing hole a, when the first fixing member 13 is inserted into the first fixing hole a from the second fixing hole B, the first fixing member 13 penetrates through the output shaft 11 of the motor 10, and two ends of the first fixing member 13 are respectively located in the second fixing hole B and the third fixing hole, so as to further improve the stability of the transmission member 12 and the output shaft 11 of the motor 10.

Specifically, the diameter of the transmission member 12 is greater than or equal to the length of the first fixing member 13, so that the first fixing member 13 is accommodated in the first fixing hole a and the second fixing hole B. In this embodiment, in order to prevent the first fixing member 13 from interfering with the gear box 20, the total depth of the first fixing hole a and the second fixing hole B is preferably greater than or equal to the length of the first fixing member 13, so as to ensure that the first fixing member 13 is located in the second fixing hole B.

Specifically, the motor 10 further includes: the transition sleeve 15 is arranged between the transmission part 12 and the output shaft 11, and the first fixing part 13 sequentially penetrates through the transmission part 12, the transition sleeve 15 and the output shaft 11. In this embodiment, because the specifications of the motor 10 are different, the diameter of the output shaft 11 of the motor 10 is also different, and therefore, for the motor 10 with a small specification, the transmission member 12 may be additionally provided with the transition sleeve 15, the transition sleeve 15 is disposed between the transmission member 12 and the output shaft 11, and the three are fixed by the first fixing member 13, so as to improve the stability between the motor 10 with a small specification and the transmission member 12.

As another preferred scheme, the internal thread tapping can be performed on the inner peripheral wall of the transition sleeve 15, the external thread tapping can be performed on the outer peripheral wall of the transition sleeve 15, the internal thread tapping can be performed on the inner peripheral wall of the transmission member 12, the external thread tapping can be performed on the output shaft 11 of the motor 10, and the transition sleeve 15 is arranged between the transmission member 12 and the output shaft 11 of the motor 10, so that the connection stability of the three can be improved.

Specifically, the length of the transmission member 12 in the axial direction of the output shaft 11 is greater than the length of the output shaft 11. In this embodiment, the length of the transmission member 12 is greater than the length of the output shaft 11, and after one end of the transmission member 12 is fixedly connected to the output shaft 11 of the motor 10, the other end of the transmission member 12 is fixedly connected to the gear box 20.

Specifically, one end of the transmission member 12, which is far away from the output shaft 11, is provided with internal teeth, and the internal teeth are used for being meshed with an input shaft of the gear box 20. As shown in fig. 3 to 4, in the present embodiment, in order to fixedly connect the other end of the transmission member 12 with the gear box 20, internal teeth may be provided at the other end of the transmission member 12, that is, at the end of the transmission member 12 away from the output shaft 11, so as to facilitate the gear box 20 to be engaged with the other end of the transmission member 12.

As another embodiment, a fourth fixing hole (not shown) penetrating the transmission member 12 may be formed at the other end of the transmission member 12, a fifth fixing hole (not shown) may be formed in the input shaft of the gear box 20, the fourth fixing hole corresponds to the fifth fixing hole in position, the other end of the transmission member 12 and the input shaft of the gear box 20 are fixedly connected by using the first fixing member 13, and the first fixing member 13 is located in the fifth fixing hole and the fourth fixing hole.

Specifically, the first fixing member 13 is in interference fit or threaded connection with the first fixing hole a. In this embodiment, the first fixing element 13 is in interference fit or threaded connection with the first fixing hole a, which is beneficial to enhancing the stability between the first fixing element 13 and the first fixing hole a.

As another embodiment, hexagonal threaded holes may be formed in the upper and lower end surfaces of the first fixing element 13 to facilitate the worker to insert or pull the first fixing element 13 into or out of the first fixing hole a.

Specifically, the motor 10 further includes: the fixing sleeve 14 is disposed on the outer peripheral wall of the transmission member 12, and the fixing sleeve 14 is used for sealing the first fixing member 13 in the first fixing hole a and the second fixing hole B. As shown in fig. 5, in this embodiment, in order to prevent the first fixing element 13 from being separated from the first fixing hole a and the second fixing hole B after the first fixing element 13 is used for a long time, the fixing sleeve 14 is sleeved on the outer peripheral wall of the transmission element 12, and the first fixing element 13 is sealed in the first fixing hole a and the second fixing hole B.

In particular, the fixing sleeve 14 is snap-fitted to the transmission member 12. In this embodiment, a clamping groove (not shown) may be disposed on the transmission member 12, and a buckle (not shown) may be disposed on the fixing sleeve 14, for example, at least one clamping groove may be disposed on the end surface of the transmission member 12 along the circumference of the axis of the transmission member 12, at least one buckle may be disposed on the fixing sleeve 14 along the circumference of the axis of the fixing sleeve 14, the clamping groove and the buckle are in one-to-one correspondence, and when the fixing sleeve 14 is disposed on the transmission member 12, the clamping groove and the buckle are buckled with each other, and by the above structure, the stability between the fixing sleeve 14 and the transmission.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.