CN219041550U

CN219041550U - Stable motor connecting shaft structure

Info

Publication number: CN219041550U
Application number: CN202320129519.4U
Authority: CN
Inventors: 肖大放
Original assignee: Dongguan Dayan Automation Equipment Co ltd
Current assignee: Dongguan Dayan Automation Equipment Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-05-16
Anticipated expiration: 2033-01-14

Abstract

The utility model provides a stable motor connecting shaft structure which comprises a motor and a connecting piece, wherein the motor comprises a motor rotating shaft, a tangent plane is arranged on the motor rotating shaft along the axial direction, a pin hole is formed in the tangent plane in a penetrating mode, a bolt is inserted into the pin hole, a shaft hole matched with the motor rotating shaft is formed in the connecting piece, a containing groove matched with the bolt is formed in the inner side end face of the connecting piece, the containing groove is arranged in an orthogonal mode with the shaft hole, the bolt is arranged on the containing groove, a plurality of positioning screw holes communicated with the shaft hole are formed in the side wall of the connecting piece in a penetrating mode, a positioning screw is connected to the positioning screw holes, and the bottom ends of the positioning screws are abutted to the tangent plane. The bolt can share the torsion supply to the connecting piece when the motor rotating shaft rotates, reduces the burden of the motor rotating shaft, prevents mechanical fatigue from appearing between the motor rotating shaft and the shaft hole, has simple structure and convenient installation, can satisfy the use requirement of big torsion, improves the joint strength of the motor rotating shaft and the connecting piece, and improves the working reliability of the connecting shaft structure.

Description

Stable motor connecting shaft structure

Technical Field

The utility model relates to the field of motor connecting shaft structures, in particular to a stable motor connecting shaft structure.

Background

The motor is used as a rotary power device and applied to various fields, and for a cooking machine, an electric frying pan is arranged on the cooking machine, and the motor is required to drive the electric frying pan to perform overturning operation. The motor on the machine of cooking drives the electric frying pan through gear or synchronizing wheel transmission's mode generally and overturns, then need to connect the output shaft drive of motor on the connecting piece, the current motor and the connecting mode of connecting piece are generally direct with the motor output shaft insert on the shaft hole of connecting piece, if need strengthen the connection stability of motor output shaft and connecting piece, can increase the screw lock on the motor output shaft, though this kind of structure also has good assembly stability, but under long-time big torsion effect, wearing and tearing are great between screw and the motor output shaft, the condition that the screw is loose appears easily, loose taking off also appears between motor output shaft and the connecting piece, lead to the electric frying pan unable steady upset action of going on, the maintenance frequency of equipment has been increased.

Disclosure of Invention

The utility model aims to solve the problem of providing a stable motor connecting shaft structure, which improves the assembly stability between a motor output shaft and a connecting piece and meets the use requirement of large torsion.

The stable motor connecting shaft structure comprises a motor and a connecting piece, wherein the motor comprises a motor rotating shaft, a tangent plane is arranged on the motor rotating shaft along the axial direction, a pin hole is formed in the tangent plane in a penetrating mode, a bolt is inserted into the pin hole, a shaft hole matched with the motor rotating shaft is formed in the connecting piece, a containing groove matched with the bolt is formed in the inner side end face of the connecting piece, the containing groove is arranged in an orthogonal mode with the shaft hole, the bolt is arranged on the containing groove, a plurality of positioning screw holes communicated with the shaft hole are formed in the side wall of the connecting piece in a penetrating mode, a positioning screw is connected to the positioning screw holes, and the bottom ends of the positioning screws are abutted to the tangent plane.

Preferably, the connecting piece is provided with two positioning screw holes, and the included angle of the two positioning screw holes is 120 degrees.

Preferably, the set screw is a machine screw.

Preferably, the connection is a synchronizing wheel.

Preferably, the connection is a gear.

The beneficial effects of the utility model are as follows: the utility model provides a stable motor connecting shaft structure, which is characterized in that a tangent plane is arranged on a motor rotating shaft, a pin hole is arranged on the tangent plane, an accommodating groove which is orthogonal to a shaft hole is arranged on the inner side end surface of a connecting piece, after a bolt is inserted into the pin hole, the bolt can be simultaneously assembled into the accommodating groove when the motor rotating shaft is inserted into the shaft hole of the connecting piece, the bolt and the motor rotating shaft are combined into a cross-shaped output shaft, the bolt can share the torque supply to the connecting piece when the motor rotating shaft rotates, the burden of the motor rotating shaft is reduced, the mechanical fatigue between the motor rotating shaft and the shaft hole is prevented, and the looseness between the motor rotating shaft and the shaft hole of the connecting piece is avoided; through set up the locating screw on the connecting piece to use the locating screw to pass through the locating screw butt on the tangent plane, can improve the stability of assembling between connecting piece and the motor pivot, prevent to take off appearing between connecting piece and the motor pivot. The structure is simple, the installation is convenient, the use requirement of large torsion can be met, the connection strength of the motor rotating shaft and the connecting piece is improved, and the working reliability of the connecting shaft structure is improved.

Drawings

Fig. 1 illustrates an outline structure of the present utility model.

Fig. 2 illustrates an exploded structural schematic of the present utility model.

Fig. 3 illustrates a schematic cross-sectional structure of the present utility model.

Fig. 4 illustrates a schematic structural view of the connector of the present utility model.

Reference numerals illustrate: the motor comprises a motor 10, a motor rotating shaft 11, a tangential surface 110, a pin hole 111, a connecting piece 20, a shaft hole 21, a containing groove 22, a positioning screw hole 23, a bolt 30 and a positioning screw 40.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure.

All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are intended to be within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Reference is made to fig. 1-4.

The utility model provides a stable motor connecting shaft structure, which comprises a motor 10 and a connecting piece 20, wherein the motor 10 comprises a motor rotating shaft 11, a tangent plane 110 is arranged on the motor rotating shaft 11 along the axial direction, a pin hole 111 is arranged on the tangent plane 110 in a penetrating way, a bolt 30 is inserted into the pin hole 111, a shaft hole 21 matched with the motor rotating shaft 11 is arranged on the connecting piece 20, an accommodating groove 22 matched with the bolt 30 is arranged on the inner side end surface of the connecting piece 20, the accommodating groove 22 is arranged in an orthogonal way with the shaft hole 21, the bolt 30 is arranged on the accommodating groove 22, a plurality of positioning screw holes 23 communicated with the shaft hole 21 are arranged on the side wall of the connecting piece 20 in a penetrating way, a positioning screw 40 is connected onto the positioning screw hole 23, and the bottom end of the positioning screw 40 is abutted onto the tangent plane 110.

During specific assembly, the bolt 30 is inserted into the pin hole 111 of the motor rotating shaft 11, the motor rotating shaft 11 is inserted into the shaft hole 21 of the connecting piece 20 under the condition that the bolt 30 rotates oppositely to the accommodating groove 22, the bolt 30 is simultaneously clamped into the accommodating groove 22 after the motor rotating shaft 11 is inserted into the shaft hole 21, the set screw 40 is inserted into the set screw hole 23, and the bottom end of the set screw 40 is abutted against the tangential plane 110 of the motor rotating shaft 11, so that the assembly between the motor rotating shaft 11 and the connecting piece 20 is completed. The use principle of the motor rotating shaft is that a tangential plane 110 is arranged on the motor rotating shaft 11, a pin hole 111 is arranged on the tangential plane 110, an accommodating groove 22 which is orthogonal to the shaft hole 21 is arranged on the inner side end surface of the connecting piece 20, after the plug pin 30 is plugged into the pin hole 111, when the motor rotating shaft 11 is plugged into the shaft hole 21 of the connecting piece 20, the plug pin 30 can be simultaneously assembled into the accommodating groove 22, the plug pin 30 and the motor rotating shaft 11 are combined into a cross-shaped output shaft, when the motor rotating shaft 11 rotates, the plug pin 30 can share the torque force supply to the connecting piece 20, the burden of the motor rotating shaft 11 is reduced, the mechanical fatigue between the motor rotating shaft 11 and the shaft hole 21 is prevented, and the looseness between the motor rotating shaft 11 and the shaft hole 21 of the connecting piece 20 is avoided; by providing the positioning screw hole 23 on the connecting piece 20 and using the positioning screw 40 to abut on the tangential surface 110 through the positioning screw hole 23, the assembly stability between the connecting piece 20 and the motor rotating shaft 11 can be improved, and the looseness between the connecting piece 20 and the motor rotating shaft 11 can be prevented. The structure is simple, the installation is convenient, the use requirement of large torsion can be met, the connection strength of the motor rotating shaft 11 and the connecting piece 20 is improved, and the working reliability of the connecting shaft structure is improved.

Based on the above embodiment, the connecting piece 20 is provided with two positioning screw holes 23, and the included angle between the two positioning screw holes 23 is 120 °. Set up the set screw 40 butt on motor shaft 11 through respectively on 120 contained angles's both sides, can play the effect of two-point location, improve the assembly stability between motor shaft 11 and the connecting piece 20, prevent to appear pine between motor shaft 11 and the connecting piece 20 and take off.

Based on the above embodiment, the set screw 40 is a machine screw, and the set screw 40 can be completely inserted into the set screw hole 23, so as to avoid exposing the top end of the set screw 40 outside the set screw hole 23 and avoiding interference between the set screw 40 and the transmission component.

Based on the above embodiment, the connection 20 is a synchronizing wheel.

Based on the above embodiment, the connection member 20 is a gear.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. The utility model provides a stable form motor even axle construction, its characterized in that contains motor, connecting piece, the motor contains the motor pivot, be provided with the tangent plane along the axial in the motor pivot, run through on the tangent plane and be provided with the pinhole, peg graft on the pinhole and have the bolt, be provided with on the connecting piece with the shaft hole that the motor pivot matches, be provided with on the inboard terminal surface of connecting piece with the holding tank that the bolt matches, the holding tank with the shaft hole quadrature sets up, the bolt set up in on the holding tank, run through on the lateral wall of connecting piece be provided with a plurality of with the locating screw of shaft hole intercommunication, be connected with the locating screw on the locating screw, the bottom butt of locating screw is in on the tangent plane.

2. The stable motor connecting shaft structure according to claim 1, wherein the connecting piece is provided with two positioning screw holes, and an included angle of the two positioning screw holes is 120 °.

3. The stable motor coupling according to claim 2, wherein the set screw is a machine screw.

4. A stable electric motor coupling according to claim 3, wherein the connecting member is a synchronizing wheel.

5. The stable electrical machine coupling according to claim 4, wherein said connecting member is a gear.