CN217545776U

CN217545776U - Drive connection structure and motor thereof

Info

Publication number: CN217545776U
Application number: CN202220374603.8U
Authority: CN
Inventors: 戴元海; 戴敏茹
Original assignee: Zhejiang Haifeng Automation Equipment Co ltd
Current assignee: Zhejiang Haifeng Automation Equipment Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-10-04
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to a drive connection structure and motor thereof. The driving connection structure comprises a connection tooth component and a buffer block component, wherein the connection tooth component is provided with a side wall and one or more connection teeth, the side wall is in a circular ring shape, and the connection teeth are arranged on the inner side of the side wall; the buffer block component is provided with a rotating platform, a plurality of buffer blocks and a positioning component, the positioning component is detachably arranged on the surface of the rotating platform, the buffer blocks are fixed on the outer side wall of the positioning component, a gap is formed between every two adjacent buffer blocks, and the axis of the rotating platform is perpendicular to the surface of the rotating platform. When in use, the connecting teeth are inserted into the gaps between two adjacent buffer blocks. The embodiment of the utility model provides a set up dismantled and assembled buffer block between rotary platform and connection tooth part to form the buffering between rotary platform and connection tooth part, reduced the damage degree to the part, the dismouting, the maintenance of the motor of being convenient for simultaneously and passive part.

Description

Drive connection structure and motor thereof

Technical Field

The utility model belongs to the technical field of mechanical transmission, concretely relates to drive connection structure and motor thereof.

Background

In the prior art, especially in a motor driving mechanism, when a motor is used as a power output source to drive a driven part to rotate, a motor rotor generally drives a transmission shaft to rotate, and a gear fixedly connected to the transmission shaft directly drives the driven part to rotate.

However, in the above-described transmission system, the gear is fixedly connected to the transmission shaft and directly engages with a corresponding structure of the driven member. When the motor starts and stops, or when the driven component can not rotate continuously due to reasons, the gear on the motor transmission shaft and the corresponding clamping structure on the driven component generate large impact force, so that the component can be damaged, especially the motor component can be damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the gear on the above-mentioned motor drive shaft directly links the part damage that causes with the corresponding block structure on the passive part, the utility model provides a drive connection structure and motor thereof.

According to a first aspect of the present invention, the drive connection structure comprises a connection tooth part and a buffer block part, the connection tooth part having a side wall and one or more connection teeth, the side wall being ring-shaped, the connection teeth being provided on an inner side of the side wall; the buffer block part is provided with a rotary platform, a plurality of buffer blocks and a positioning part, the positioning part is detachably arranged on the surface of the rotary platform, the buffer blocks are fixed on the outer side wall of the positioning part, a gap is formed between every two adjacent buffer blocks, the axis of the rotary platform is perpendicular to the surface of the rotary platform, during use, the connecting teeth are inserted into the gap between every two adjacent buffer blocks, and one of the connecting tooth part and the buffer block part can drive the other of the connecting tooth part and the buffer block part to rotate.

In one embodiment, a first boss is provided at an axial location on the surface of the rotary platform, and the positioning member has a configuration that mates with the first boss such that the positioning member can nest with the first boss.

In one embodiment, the first boss is cylindrical, and an axis of the first boss coincides with an axis of the rotary platform.

In one embodiment, the positioning member is a central retaining ring.

In one embodiment, a second protrusion portion is further provided on a surface of the rotary platform, and the second protrusion portion can be inserted into a gap between two adjacent buffer blocks.

In one embodiment, a plurality of gaps are formed between adjacent two of the buffer blocks, and the connecting tooth and the second protrusion are inserted into the gaps at intervals.

In one embodiment, the shape of the coupling tooth matches the shape of the gap into which it is inserted, and/or the shape of the second projection matches the shape of the gap into which it is inserted.

In one embodiment, the plurality of coupling teeth are evenly spaced on the inner side of the side wall, and/or,

the plurality of connecting teeth are on the same height of the side wall, and/or,

the plurality of coupling teeth have the same shape and size.

In one embodiment, the rotating platform is provided with a shaft hole for connecting a rotating shaft, the buffer block extends from the outer side wall of the positioning component to the periphery of the rotating platform, and the buffer block has an arc-shaped cross section protruding from two circumferential sides respectively.

According to the second aspect of the present invention, the motor has the above-described drive connection structure, the rotor of the motor is fitted inside the stator, and the rotor is annular and forms the side wall of the connecting tooth member; or the output shaft of the motor is connected with the rotating platform of the buffer block component in a driving mode and can drive the rotating platform to rotate.

The utility model has the advantages that: the embodiment of the utility model provides a set up dismantled and assembled buffer block between rotary platform and connection tooth part to form the buffering between rotary platform and connection tooth part, reduced the damage degree to the part, the dismouting, the maintenance of the motor of being convenient for simultaneously and passive part.

Drawings

Fig. 1 is a view of an electric machine according to an embodiment of the present invention, in which only a coupling tooth part included in the driving structure is shown;

fig. 2 is a longitudinal sectional view of a motor having a driving connection structure according to an embodiment of the present invention;

fig. 3 is a perspective view of a buffer block member of a drive connection structure according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the present invention is not limited to the drawings and the following embodiments.

As used herein, the term "include" and its various variants are to be understood as open-ended terms, which mean "including, but not limited to. The term "based on" and the like may be understood as "based at least on". The terms "first", "second", "third", etc. are used merely to distinguish different features and have no essential meaning. The terms "left", "right", "middle" and the like are used only to indicate a positional relationship between relative objects.

Hereinafter, a drive connection structure according to an embodiment of the present invention applied to a permanent magnet motor will be described.

As shown in fig. 1, 2 and 3, an electric machine, preferably a permanent magnet machine, is shown, the rotor 100 of which is nested inside the stator 200. The rotor 100 is annular, and the motor has a driving connection structure. Further, a cooling water jacket having a water inlet, an inner water flow passage, and a water outlet is further nested on an outer side of the stator 100.

The driving connection structure comprises a connecting tooth part 1 and a buffer block part 2. The coupling tooth part 1 has a side wall 11 and one or more coupling teeth 12, the side wall 11 being annular, the coupling teeth 12 being arranged on the inner side of the side wall 11. The buffer block component 2 is provided with a rotating platform 21, a plurality of buffer blocks 22 and a positioning component 24, the positioning component 24 is detachably arranged on the surface of the rotating platform 21, the plurality of buffer blocks 22 are fixed on the outer side wall of the positioning component 24, a gap 23 is formed between every two adjacent buffer blocks 22, and the axis of the rotating platform 21 is vertical to the surface of the rotating platform 21. In use, the connecting tooth 12 is inserted into the gap 23 between two adjacent buffer blocks 22, and one of the connecting tooth part 1 and the buffer block part 2 can drive the other of the connecting tooth part 1 and the buffer block part 2 to rotate.

In the embodiment of the motor, the rotor 100 of the motor forms the side wall 11 of the coupler tooth assembly 1, and the rotor 100 of the motor rotates, so that the coupler tooth 12 drives the rotary platform 21 to rotate through the buffer block 22.

The embodiment of the utility model provides a set up dismantled and assembled buffer block 22 between rotary platform 21 and connection tooth part 1 to form the buffering between rotary platform 21 and connection tooth part 1, reduced the damage degree to the part, be convenient for simultaneously motor and passive part's dismouting, maintenance.

Specifically, with reference to fig. 1 to 3, the drive connection structure according to the embodiment of the present invention includes a connection tooth member 1 and a buffer block member 2.

The coupling tooth part 1 has a side wall 11 and one or more coupling teeth 12, the side wall 11 being annular, the coupling teeth 12 being arranged on the inner side of the side wall 11. In the present embodiment, the rotor 100 of the motor constitutes the coupling tooth part 1 having the side wall 11, and the coupling teeth 12 are four, have the same shape and size, are uniformly spaced on the inner side of the side wall 11, and the four coupling teeth 12 are on the same height of the side wall 11.

The buffer block member 2 has a rotating platform 21, a plurality of buffer blocks 22, and a positioning member 24.

In the present embodiment, the rotating platform 21 has a cylindrical shape and can rotate around a central axis of the cylinder, and preferably, the axis of the rotating platform 21 is perpendicular to the surface/end face of the rotating platform 21. A first projection 25 connected to the positioning member 24 is provided at a position of an axis line on the surface of the rotary platform 21, which is formed at the center of the end surface of the rotary platform 21, and the first projection 25 is preferably cylindrical, and the axis line of the first projection 25 coincides with the axis line of the rotary platform 21. The rotary platform 21 is provided with a shaft hole 27 for connecting the rotary shaft 300.

The plurality of buffer blocks 22 are fixed to the outer side wall of the positioning member 24, and a gap 23 is formed between two adjacent buffer blocks 22. Preferably, the plurality of buffer blocks 22 are fixed on the outer side wall of the positioning component 24 at regular intervals. In this embodiment, the positioning member 24 is a central fixing ring, the positioning member 24 has a structure matching with the first protruding portion 25, the positioning member 24 is detachably disposed on the surface of the rotating platform 21, and the positioning member 24 is nested on the first protruding portion 25. Wherein the positioning element 24 can be fixedly connected to the first projection 25. In use, the connecting tooth 12 is inserted into the gap 23 between two adjacent buffer blocks 22, and one of the connecting tooth part 1 and the buffer block part 2 can drive the other of the connecting tooth part 1 and the buffer block part 2 to rotate.

In addition, a second protrusion 26 is further provided on the surface of the rotary platform 21, and the second protrusion 26 can be inserted into the gap 23 between two adjacent buffer blocks 22. In this embodiment, the second protrusions 26 are uniformly spaced on the periphery of the surface of the rotating platform 21. At this time, the positioning member 24 is not fixedly connected to the first boss portion 25.

As shown in fig. 1 and 3, a plurality of gaps 23 are formed between two adjacent buffer blocks 22, and the number of the gaps 23 is equal to or greater than the total number of the connecting teeth 12 and the second protrusions 26, so that the connecting teeth 12 and the second protrusions 26 can be inserted into the plurality of gaps 23, respectively. In the present embodiment, the coupling tooth 12 and the second projecting portion 26 are inserted into the plurality of gaps 23 at intervals.

In this embodiment, the buffer block 22 is a peripheral edge extending from the outer side wall of the positioning member 24 to the rotary platform 21, and the buffer block 22 has an arc-shaped cross section protruding from both sides in the circumferential direction. The shape of the coupling tooth 12 matches the shape of the gap 23 into which it is inserted, and the shape of the second projecting portion 26 matches the shape of the gap 23 into which it is inserted. Thus, the positioning member 24 and the damper 22 are firmly received between the rotary platform 21 and the coupling tooth member 1, and the rotational force can be stably transmitted.

Although the above embodiment has been described with the rotor of the motor being inserted inside the stator, it will be understood by those skilled in the art that the motor shaft can be inserted into the shaft hole 27 of the rotary platform 21, and the motor shaft drives the buffer block member 2 to rotate the coupling tooth member 1.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drive connection, characterized in that it comprises a connecting tooth part (1) and a buffer block part (2),

the connecting tooth part (1) has a side wall (11) and one or more connecting teeth (12), the side wall (11) is annular, and the connecting teeth (12) are arranged on the inner side of the side wall (11);

the buffer block component (2) is provided with a rotating platform (21), a plurality of buffer blocks (22) and a positioning component (24), the positioning component (24) is detachably arranged on the surface of the rotating platform (21), the buffer blocks (22) are fixed on the outer side wall of the positioning component (24), a gap (23) is formed between two adjacent buffer blocks (22), the axis of the rotating platform (21) is vertical to the surface of the rotating platform (21),

when in use, the connecting tooth (12) is inserted into a gap (23) between two adjacent buffer blocks (22), and one of the connecting tooth component (1) and the buffer block component (2) can drive the other of the connecting tooth component (1) and the buffer block component (2) to rotate.

2. A drive connection according to claim 1, characterized in that at an axial position on the surface of the rotary platform (21) a first boss (25) is provided, the positioning member (24) having a configuration matching the first boss (25) so that the positioning member (24) can nest the first boss (25).

3. Drive connection according to claim 2, characterized in that the first projection (25) is cylindrical, the axis of the first projection (25) coinciding with the axis of the rotary platform (21).

4. A drive connection according to claim 3, wherein the positioning member (24) is a central retaining ring.

5. The drive connection according to claim 2, characterized in that a second projection (26) is further provided on the surface of the rotary platform (21), the second projection (26) being insertable in the gap (23) between two adjacent buffer blocks (22).

6. The drive connection structure according to claim 5, wherein a plurality of gaps (23) are formed between adjacent two of the buffer blocks (22), and the connecting tooth (12) and the second projecting portion (26) are inserted at intervals in the plurality of gaps (23).

7. Drive connection according to claim 6, characterized in that the shape of the connecting tooth (12) matches the shape of the gap (23) into which it is inserted and/or in that the shape of the second projection (26) matches the shape of the gap (23) into which it is inserted.

8. Drive connection according to claim 1, characterized in that the plurality of connection teeth (12) are arranged at even intervals on the inner side of the side wall (11) and/or,

said plurality of coupling teeth (12) being at the same level of said side wall (11) and/or,

the plurality of connecting teeth (12) have the same shape and size.

9. The drive coupling structure according to claim 1, wherein the rotary platform (21) is provided with a shaft hole (27) for connecting a rotating shaft, the buffer block (22) extends from an outer side wall of the positioning member (24) to a periphery of the rotary platform (21), and the buffer block (22) has an arc-shaped cross section protruding from both sides in a circumferential direction.

10. An electric machine having a drive connection structure according to any one of claims 1 to 9,

the rotor (100) of the motor is sleeved on the inner side of the stator (200), the rotor (100) is annular, and a side wall (11) of the connecting tooth part (1) is formed; or the output shaft of the motor is connected with the rotary platform (21) of the buffer block component (2) in a driving mode, and the rotary platform (21) can be driven to rotate.