CN216599282U

CN216599282U - Double-groove structure of motor shaft for brushless motor

Info

Publication number: CN216599282U
Application number: CN202123056845.7U
Authority: CN
Inventors: 尹吉刚; 李冬梅
Original assignee: Ningbo Zhiting Shaft Industry Co ltd
Current assignee: Ningbo Zhiting Shaft Industry Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-24
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a double-groove structure of a motor shaft for a brushless motor, and aims to provide a double-groove structure of a motor shaft for a brushless motor, which adopts a double-groove structure, improves the gluing uniformity and has strong stability.

Description

Double-groove structure of motor shaft for brushless motor

Technical Field

The utility model relates to the technical field of brushless motor accessories, in particular to a double-groove structure of a motor shaft for a brushless motor.

Background

Traditional brushless motor is with motor shaft adopts straight rod-type structure, when installing the assembly to the motor shaft, can lead to holistic stability relatively poor because the rubber coating is inhomogeneous, and the rubber coating is even reason as follows inadequately, because the cooperation mode is transition fit, the flow range of glue is less, and consequently the condition that glue can evenly cover is less to influence the bonding effect of glue, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the double-groove structure of the motor shaft for the brushless motor, which adopts the double-groove structure, improves the gluing uniformity and has strong stability.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a double flute structure of brushless motor shaft, includes the axis body, the axis body includes left side section, interlude and right side section, be equipped with the annular structure group of constituteing by a plurality of annular structures in the section of left side, the ratio between the length of interval between the two adjacent annular structures and left side section is between 1/6-1/5.

The utility model is further configured to: the ratio between the groove depth and the notch width of the ring groove structure is 1/9-1/7.

The utility model is further configured to: all be equipped with conflict rubber circle on the both sides cell wall of annular structure.

The utility model is further configured to: the thickness of the abutting rubber ring is larger than the groove depth of the ring groove structure.

The utility model is further configured to: the ratio of the thickness of the abutting rubber ring to the groove depth of the ring groove structure is 1.1-1.3.

The utility model is further configured to: the number of the ring groove structure groups is 2-3.

By adopting the technical scheme, the shaft body gluing device has the beneficial effects that 1, the ring groove structure group arranged on the shaft body is used for realizing that the uniform coverage degree of glue during gluing is increased due to the arrangement of the ring groove structure group when the shaft body is in gluing fit connection with other accessories, so that the adhesive force between a motor shaft and other accessories is greatly improved, the stability is high, and the structure is simple;

2. the abutting rubber ring structures are arranged on the inner walls of the grooves on the two sides of the ring groove structure, so that on one hand, the effect of blocking glue is ensured, the loss of the glue during installation is reduced, and on the other hand, the acting force of elastic support provided by the abutting rubber ring during the assembly of the motor shaft is formed through the difference between the thickness of the abutting rubber ring and the groove depth of the ring groove structure, so that the attaching effect between the motor shaft and the accessories is ensured, the stability is high, and the structure is simple;

3. further, the number of the ring groove structure groups which are arranged into the ring groove structures is 2-3, so that the overall uniform gluing effect is improved, and different ring groove structures with different numbers can be selected by combining different accessories.

Drawings

Fig. 1 is a front view of an embodiment of a double-slot structure of a motor shaft for a brushless motor according to the present invention.

Fig. 2 is an enlarged schematic view of a structure a in fig. 1 of an embodiment of a double-groove structure of a motor shaft for a brushless motor according to the present invention.

Reference numeral, 1, a shaft body; 10. a left side section; 11. a middle section; 12. a right side section; 2. a ring groove structure; 3. against the rubber ring.

Detailed Description

Referring to fig. 1 to 2, a double-slot structure of a motor shaft for a brushless motor according to an embodiment of the present invention will be further described.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are 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" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The utility model provides a double flute structure of brushless motor shaft, including axis body 1, axis body 1 includes left side section 10, interlude 11 and right side section 12, be equipped with the annular structure group of constituteing by a plurality of annular structures 2 in the section of left side, the ratio between the interval between two adjacent annular structures 2 and the length of left side section 10 is between 1/6-1/5, annular structure group through setting up on axis body 1, when carrying out the rubber coating cooperation with other accessories and being connected, because the setting of annular structure group, the even degree of cover of glue when having increased the rubber coating, thereby very big improvement the adhesive force between motor shaft and other accessories, high stability, and is simple in structure.

The utility model is further arranged that the ratio of the groove depth and the notch width of the ring groove structure 2 is 1/9-1/7, such as the ratio between H1 and H2 in figure 1, by adopting the structure arrangement, the coverage area and the fluidity of the glue in the groove are ensured by controlling the groove depth and the groove width, the stability is strong, the structure is simple, the glue coating uniformity is increased, and the practicability is strong.

The utility model is further set that the two side groove walls of the ring groove structure 2 are respectively provided with the abutting rubber rings 3, the thickness of the abutting rubber rings 3 is larger than the groove depth of the ring groove structure 2, and the abutting rubber ring 3 structures are arranged on the inner wall of the two side groove walls of the ring groove structure 2, so that on one hand, the effect of blocking glue is ensured, the loss of the glue during installation is reduced, and on the other hand, the acting force of providing an elastic support for the abutting rubber rings 3 during the assembly of the motor shaft is formed through the difference between the thickness of the abutting rubber rings 3 and the groove depth of the ring groove structure 2, so that the attaching effect between the motor shaft and accessories is ensured, the stability is strong, and the structure is simple.

The utility model is further set that the ratio of the thickness of the conflict rubber ring 3 to the groove depth of the ring groove structure 2 is 1.1-1.3, such as the ratio between K1 and K2 in figure 2, the structure is adopted to control the thickness of the conflict rubber ring 3, the motor shaft is convenient to install, the stability is strong, the structure is simple, the influence of the conflict rubber ring 3 on the installation of the motor shaft is reduced, and the good practicability effect is increased when the thickness of the conflict rubber ring 3 is controlled at the ratio.

The utility model is further set to have the number of the ring groove structure groups of 2-3, and further, the ring groove structure groups are set to have the number of the ring groove structures 2 of 2-3, so that the integral glue spreading uniformity effect is improved, and different numbers of the ring groove structures 2 can be selected by combining different accessories.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.

Claims

1. The utility model provides a double flute structure of brushless motor shaft, includes axis body (1), its characterized in that, axis body (1) includes left side section (10), interlude (11) and right side section (12), be equipped with the annular structure group of constituteing by a plurality of annular structures (2) on left side section (10), the ratio between the groove depth and the notch width of annular structure (2) is between 1/9-1/7.

2. The double-groove structure of a motor shaft for a brushless motor according to claim 1, wherein the groove wall of the ring groove structure (2) is provided with an interference rubber ring (3).

3. The double-groove structure of a motor shaft for a brushless motor according to claim 2, wherein the thickness of the interference rubber ring (3) is greater than the groove depth of the ring groove structure (2).

4. The double-groove structure of a motor shaft for a brushless motor according to claim 3, wherein a ratio between a thickness of the interference rubber ring (3) and a groove depth of the ring groove structure (2) is between 1.1 and 1.3.

5. The double-groove structure of a motor shaft for a brushless motor according to claim 1, wherein the number of the ring groove structures (2) of the ring groove structure group is 2-3.