CN216478739U

CN216478739U - Motor output shaft

Info

Publication number: CN216478739U
Application number: CN202122878233.XU
Authority: CN
Inventors: 余浩诚; 刘浩安; 郭凯嘉; 庞智勇; 葛小明
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-10
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a motor output shaft which comprises a flange plate and an output shaft, wherein the flange plate is connected with the output shaft through a spline, one end of the output shaft is fixedly connected with a gear through the spline, a lead screw is arranged in the output shaft, a first retaining ring and a second retaining ring are sleeved on the lead screw, the lead screw is in threaded connection with a first nut and a second nut, the second nut is in contact with the second retaining ring, a U-shaped block is connected onto the first retaining ring in a sliding mode, a spring is sleeved on a telescopic rod, the front end of the telescopic rod is fixedly connected with the first retaining ring, and the rear end of the telescopic rod is fixedly connected with the inner wall of a dead slot. According to the utility model, the screw rod is fixed through the second nut, the upper thread of the screw rod is damaged and the screw rod is welded, so that the second nut is not easy to separate from the screw rod, and is fixed through the first nut and limited, so that the screw rod is not easy to loosen, the first nut can be disassembled, and the output shaft can be installed and disassembled.

Description

Motor output shaft

Technical Field

The utility model relates to the technical field of motor output shafts, in particular to a motor output shaft.

Background

The emrax228 motor is favored by a plurality of motorcades in the formula competition of college students, but the structural design of the output shaft of the motor is different, wherein part of the scheme is slightly complicated in processing and assembly and relatively high in cost.

The existing motor output shaft is generally designed to be matched with a gear fixed on the output shaft, and the gear needs to be replaced completely, so that the replacement is inconvenient, and the output shaft can loosen after long-time use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a motor output shaft which is fixed to a screw rod through a second nut, damages the upper thread of the screw rod and performs welding, so that the second nut is not easy to separate from the screw rod, is fixed through a first nut and performs limiting, is not easy to loosen, can be detached from the first nut, and can be mounted and detached on an output shaft.

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

the utility model provides a motor output shaft, includes ring flange and output shaft, the ring flange passes through splined connection with the output shaft, the one end of output shaft passes through spline fixedly connected with gear, the inside lead screw that is equipped with of output shaft, the cover is equipped with first retaining ring and second retaining ring on the lead screw, lead screw threaded connection has first nut and second nut, the second nut contacts with second retaining ring.

A U-shaped block is connected to the first check ring in a sliding mode, and a limiting mechanism is arranged between the U-shaped block and the first check ring.

Preferably, stop gear is including setting up the dead slot on the U-shaped piece, the inner wall fixedly connected with telescopic link of dead slot, the cover is equipped with the spring on the telescopic link.

Preferably, the front end of the telescopic rod is fixedly connected with the first retainer ring, and the rear end of the telescopic rod is fixedly connected with the inner wall of the empty groove.

Preferably, the inner hole of the output shaft is connected with the screw rod through a thickened nut.

Preferably, the U-shaped block is fitted with a first nut.

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

1. after the second nut is fixed, part of threads on the screw rod are damaged and welded, so that the second nut is not easy to separate from the screw rod, and the first nut is fixed.

2. The first nut is rotated to enable the first nut to correspond to the U-shaped block, the telescopic rod and the spring are not pulled any more, and the U-shaped block is limited to the first nut under the limiting of the spring, so that the first nut is not easy to loosen.

To sum up, it is fixed to the lead screw through the second nut to destroy its upper portion screw and weld, make the second nut be difficult for breaking away from the lead screw, and fix and carry out spacingly through first nut, make it be difficult for becoming flexible, and can demolish first nut, can install and dismantle the output shaft.

Drawings

Fig. 1 is a cross-sectional view of an output shaft of a motor according to the present invention;

FIG. 2 is an isometric view of an output shaft of a motor of the present invention with a flange omitted;

FIG. 3 is an overall isometric view of an output shaft of a motor in accordance with the present invention;

fig. 4 is a schematic mechanism diagram of the first retainer ring provided with a limiting mechanism.

In the figure: the device comprises a flange plate 1, an output shaft 2, a gear 3, a first retainer ring 4, a first nut 5, a screw rod 6, a thickened nut 7, a second retainer ring 8, a second nut 9, a U-shaped block 10, a spring 11 and a telescopic rod 12.

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.

Referring to fig. 1-4, a motor output shaft, including ring flange 1 and output shaft 2, ring flange 1 passes through the spline connection with output shaft 2, the one end of output shaft 2 passes through spline fixedly connected with

gear

3, 2 holes of output shaft are connected with lead screw 6 through thickening nut 7, output shaft 2 is inside to be equipped with lead screw 6, the cover is equipped with first retaining ring 4 and second retaining ring 8 on the lead screw 6, lead screw 6 threaded connection has first nut 5 and second nut 9, second nut 9 contacts with second retaining ring 8, destroy the screw thread near lead screw 6 on second nut 9, and weld it, make the difficult lead screw 6 that drops of second nut 9.

Sliding connection has U-shaped piece 10 on first retaining ring 4, U-shaped piece 10 cooperatees with first nut 5, be equipped with stop gear between U-shaped piece and the first retaining ring 4, stop gear is including setting up the dead slot on U-shaped piece 10, the inner wall fixedly connected with telescopic link 12 of dead slot, the cover is equipped with spring 11 on telescopic link 12, the front end and the 4 fixed connection of first retaining ring of telescopic link 12, the rear end of telescopic link 12 and the inner wall fixed connection of dead slot, U-shaped piece 10 is spacing to first nut 5.

In the utility model, the first nut 5 and the second nut 9 are both mechanical anti-loose nuts, after the second nut 9 is fixed, part of threads on the screw rod 6 are damaged and welded, so that the second nut 9 is not easy to be separated from the screw rod 6, when the first nut 5 is fixed, when the first nut 5 is used for the first check ring 4, the U-shaped block 10 is pulled, and under the limit of the spring 11, the U-shaped block 10 pulls the telescopic rod 12 and is far away from the first nut 5.

The first nut 5 is rotated to correspond to the U-shaped block 10, the telescopic rod 13 and the spring 11 are not pulled any more, and the U-shaped block 10 limits the first nut 5 under the limit of the spring 11, so that the first nut is not easy to loosen.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A motor output shaft comprises a flange plate (1) and an output shaft (2), and is characterized in that the flange plate (1) is connected with the output shaft (2) through a spline, one end of the output shaft (2) is fixedly connected with a gear (3) through the spline, a screw rod (6) is arranged inside the output shaft (2), a first retaining ring (4) and a second retaining ring (8) are sleeved on the screw rod (6), the screw rod (6) is in threaded connection with a first nut (5) and a second nut (9), the second nut (9) is in contact with the second retaining ring (8),

a U-shaped block (10) is connected to the first retainer ring (4) in a sliding mode, and a limiting mechanism is arranged between the U-shaped block and the first retainer ring (4).

2. The motor output shaft according to claim 1, characterized in that the limiting mechanism comprises a hollow groove arranged on the U-shaped block (10), a telescopic rod (12) is fixedly connected to the inner wall of the hollow groove, and a spring (11) is sleeved on the telescopic rod (12).

3. The motor output shaft of claim 2, characterized in that the front end of the telescopic rod (12) is fixedly connected with the first retainer ring (4), and the rear end of the telescopic rod (12) is fixedly connected with the inner wall of the empty groove.

4. An electric motor output shaft according to claim 1, characterized in that the output shaft (2) inner bore is connected with the lead screw (6) by means of a thickened nut (7).

5. A motor output shaft according to claim 1, characterized in that said U-shaped block (10) is fitted with a first nut (5).