CN210225153U

CN210225153U - Main shaft for motor

Info

Publication number: CN210225153U
Application number: CN201921331394.3U
Authority: CN
Inventors: Haijun Xie; 解海军; Qi Zhu; 朱奇
Original assignee: Qingdao Xingye Steam Turbine Fittings Co ltd
Current assignee: Qingdao Xingye Steam Turbine Fittings Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-03-31
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a main shaft for a motor, which relates to the technical field of motor accessories and comprises a shaft lever, a first shaft part, a second shaft part, a connecting shaft and a connecting block, wherein the first shaft part is welded at one end of the shaft lever, the second shaft part is welded at one end of the first shaft part, the connecting block is welded at the other end of the shaft lever, a placing cavity is arranged in the first shaft part and the second shaft part, the connecting shaft is welded on the inner wall of the placing cavity through a first spring, a groove and a convex block are arranged at the side of the connecting shaft, a spring button is welded in the groove through a second spring, a through hole and a track groove are arranged on the inner wall of the placing cavity, the through hole is communicated with the placing cavity, one end of the spring button is clamped in the through hole, the convex block is clamped in the track groove, an, the heat dissipation is assisted and the connection is stable.

Description

Main shaft for motor

Technical Field

The utility model relates to a motor accessory technical field, in particular to main shaft for motor.

Background

The shaft is an important part in the motor, and is used as a link for electromechanical energy conversion between the motor and equipment, supporting the rotating parts, transmitting torque and determining the relative position of the rotating parts to the stator. Therefore, a motor shaft must have reliable strength and rigidity, the realization of preset design functions is ensured, the types of motor spindles are more, the quality of the motor spindle serving as an output end spindle of the motor is related to the quality of the motor, but most of the existing spindles have certain defects, on one hand, most of common spindles are of fixed structures, and therefore the spindles are inconvenient to use in cooperation with connecting pieces of different specifications, on the other hand, the spindles can generate heat due to friction rotation during working, so that the interiors of the spindles are easy to damage after long-term use, and the fixing effect needs to be improved during connection, so that the spindles for the motor are needed to help solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a main shaft for motor to the application scope who proposes among the above-mentioned background art of solution is poor, the problem of easy rising of heat.

In order to achieve the above object, the utility model provides a following technical scheme: a main shaft for a motor comprises a shaft rod, a first shaft part, a second shaft part, a connecting shaft and a connecting block, wherein the first shaft part is welded at one end of the shaft rod, the second shaft part is welded at one end of the first shaft part, the connecting block is welded at the other end of the shaft rod, a placing cavity is formed in the first shaft part and the second shaft part, the connecting shaft is welded on the inner wall of the placing cavity through a first spring, a groove and a protruding block are arranged on the side of the connecting shaft, a spring button is welded in the groove through a second spring, a through hole and a track groove are formed in the inner wall of the placing cavity, the through hole is communicated with the placing cavity, one end of the spring button is clamped in the through hole, the protruding block is clamped in the track groove, an inner cavity is formed in the shaft rod, a rotating rod is arranged in the inner cavity, a key groove is formed in the connecting block.

Preferably, the inner wall of the key groove is provided with a containing groove, the inner wall of the containing groove is welded with an elastic block through a spring III, and the elastic block is installed on the inner wall of the containing groove through a rotating shaft II.

Preferably, the rotating rod is welded with blades, the shaft rod is provided with a ventilation groove, and the ventilation groove is communicated with the inner cavity.

Preferably, the number of the through holes is three, and the diameter of the elastic button is equal to that of the through holes.

Preferably, the thickness of the track groove is equal to the thickness of the bump.

Preferably, the diameter of the connecting shaft is equal to the diameter of the placing cavity.

Preferably, the diameters of the first shaft element, the second shaft element and the connecting shaft are decreased in sequence.

The utility model discloses a technological effect and advantage:

1. the utility model can be connected with articles with different specifications for use, and the using length of the connecting shaft can be adjusted, and the connecting shaft can be ensured to be stable after adjustment, thereby having convenient use and stability;

2. the utility model discloses at the motor rotation during operation, the axostylus axostyle is also rotating, and consequently inside dwang also can slowly rotate under an effect of axis of rotation, and the blade can produce the air current during the rotation, consequently can help the motor to dispel the heat from inside to when being connected with the connecting piece, the bullet piece receives the three spring action of spring can extrude the connecting piece, consequently can further guarantee to connect firmly.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a sectional view of the placing cavity of the structure of the present invention.

Fig. 3 is a sectional view of the placing cavity of the structure of the present invention.

Fig. 4 is a front view of the connection shaft of the structure of the present invention.

Fig. 5 is a cross-sectional view of the shaft rod of the structure of the present invention.

Fig. 6 is a sectional view of the connecting block of the structure of the present invention.

In the figure: 1. a shaft lever; 2. a first shaft member; 3. a second shaft member; 4. a connecting shaft; 5. connecting blocks; 6. a placement chamber; 7. a first spring; 8. a raised block; 9. a second spring; 10. snapping a button; 11. a through hole; 12. a track groove; 13. rotating the rod; 14. rotating a first shaft; 15. a keyway; 16. an accommodating groove; 17. a third spring; 18. a spring block; 19. a second rotating shaft; 20. a blade; 21. and (4) ventilating grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a main shaft for a motor as shown in figures 1-6, which comprises a shaft lever 1, a first shaft part 2, a second shaft part 3, a connecting shaft 4 and a connecting block 5, wherein the first shaft part 2 is welded at one end of the shaft lever 1, the second shaft part 3 is welded at one end of the first shaft part 2, the connecting block 5 is welded at the other end of the shaft lever 1, a placing cavity 6 is arranged in the first shaft part 2 and the second shaft part 3, the connecting shaft 4 is welded on the inner wall of the placing cavity 6 through a first spring 7, a groove and a convex block 8 are arranged at the side of the connecting shaft 4, a spring button 10 is welded in the groove through a second spring 9, a through hole 11 and a track groove 12 are arranged on the inner wall of the placing cavity 6, the through hole 11 is communicated with the placing cavity 6, one end of the spring button 10 is clamped in the through hole 11, the convex block 8 is clamped in, the thickness of the track groove 12 is equal to that of the convex block 8, the diameter of the connecting shaft 4 is equal to that of the placing cavity 6, the diameters of the first shaft part 2, the second shaft part 3 and the connecting shaft 4 are gradually reduced, the connecting shaft 4 can be connected with objects of different specifications when the elastic connecting device is used, the using length of the connecting shaft 4 can be adjusted, a rod body is inserted into the through hole 11, the spring II 9 can be extruded and the elastic button 10 can be extruded into the groove, after the elastic button 10 is completely extruded into the groove, the connecting shaft 4 is not connected with the placing cavity 6, the connecting shaft 4 can be upwards bounced under the elastic action of the spring I7, the convex block 8 can upwards move along the track groove 12, the connecting shaft 4 can be ensured to be stable, when the connecting shaft 4 upwards moves and the elastic button 10 is overlapped with the through hole 11 above, the spring II 9 can bounce the elastic button 10 into the through hole 11 again, thus enabling length adjustment and fixation.

Referring to fig. 1, 3 and 4, an inner cavity is arranged in the shaft lever 1, a rotating lever 13 is arranged in the inner cavity, two ends of the rotating lever 13 are both installed on the inner wall of the inner cavity through a first rotating shaft 14, blades 20 are welded on the rotating lever 13, a ventilation groove 21 is arranged on the shaft lever 1, the ventilation groove 21 is communicated with the inner cavity, when the motor rotates, the shaft lever 1 also rotates, so that the inner rotating lever 13 can slowly rotate under the action of the first rotating shaft 14, the blades 20 can generate airflow during rotation, so that the airflow can help the shaft lever 1 to dissipate heat through the ventilation groove 21, a key groove 15 is arranged in the connecting block 5, a containing groove 16 is arranged on the inner wall of the key groove 15, an elastic block 18 is welded on the inner wall of the containing groove 16 through a third spring 17, the elastic block 18 is installed on the inner wall of the containing groove 16 through a second rotating shaft 19, the connecting piece can extrude the elastic block 18, so that the elastic block 18 can rotate the second rotating shaft 19 and simultaneously extrude the third spring 17, so that the elastic block 18 reaches the inside of the containing groove 16, and the elastic block 18 can extrude the connecting piece under the action of the elastic force of the third spring 17, so that the connection stability can be further ensured.

This practical theory of operation: when the utility model is used, the connecting rod can be connected with objects of different specifications for use, the using length of the connecting shaft 4 can be adjusted, the using rod body is inserted into the through hole 11, so that the spring II 9 can be extruded and the spring button 10 can be extruded into the groove, after the spring button 10 is completely extruded into the groove, the connecting shaft 4 is not connected with the placing cavity 6, so that the connecting shaft 4 can be upwards bounced under the elastic action of the spring I7, meanwhile, the protruding block 8 can upwards move along the track groove 12, so that the connecting shaft 4 can be ensured to be stable, when the connecting shaft 4 upwards moves, and the spring II 9 can bounce the spring button 10 into the through hole 11 again under the elastic force when the spring button 10 is superposed with the through hole 11 above, so that the length adjustment and the fixation can be completed;

when the motor rotates to work, axostylus axostyle 1 is also rotating, therefore inside dwang 13 also can rotate slowly under the effect of axis of rotation 14, blade 20 can produce the air current during the rotation, consequently the air current can help the heat dissipation of axostylus axostyle 1 through ventilative groove 21, when installing axostylus axostyle 1 on the motor, when the motor position inserts in the keyway 15 in the connecting block 5, the connecting piece can extrude elastic block 18, consequently elastic block 18 can rotate and extrude spring three 17 simultaneously by axis of rotation two 19, consequently elastic block 18 is to holding to hold to put inside the groove 16, elastic block 18 receives the effect of spring three 17 elasticity and can extrude the connecting piece this moment, consequently can further guarantee to connect firmly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a main shaft for motor, includes axostylus axostyle (1), first axle spare (2), second axle spare (3), connecting axle (4) and connecting block (5), its characterized in that: the first shaft part (2) is welded at one end of the shaft lever (1), the second shaft part (3) is welded at one end of the first shaft part (2), the connecting block (5) is welded at the other end of the shaft lever (1), a placing cavity (6) is formed in the first shaft part (2) and the second shaft part (3), the connecting shaft (4) is welded on the inner wall of the placing cavity (6) through a first spring (7), a groove and a protruding block (8) are arranged on the side of the connecting shaft (4), a spring button (10) is welded in the groove through a second spring (9), a through hole (11) and a track groove (12) are formed in the inner wall of the placing cavity (6), the through hole (11) is communicated with the placing cavity (6), one end of the spring button (10) is clamped in the through hole (11), and the protruding block (8) is clamped in the track groove (12), an inner cavity is formed in the shaft lever (1), a rotating rod (13) is arranged in the inner cavity, two ends of the rotating rod (13) are installed on the inner wall of the inner cavity through a first rotating shaft (14), and a key groove (15) is formed in the connecting block (5).

2. A spindle for an electrical machine according to claim 1, wherein: the inner wall of the key groove (15) is provided with a containing groove (16), the inner wall of the containing groove (16) is welded with an elastic block (18) through a spring III (17), and the elastic block (18) is installed on the inner wall of the containing groove (16) through a rotating shaft II (19).

3. A spindle for an electrical machine according to claim 1, wherein: the blade (20) is welded on the rotating rod (13), the shaft rod (1) is provided with a ventilation groove (21), and the ventilation groove (21) is communicated with the inner cavity.

4. A spindle for an electrical machine according to claim 1, wherein: the number of the through holes (11) is three, and the diameter of the elastic button (10) is equal to that of the through holes (11).

5. A spindle for an electrical machine according to claim 1, wherein: the thickness of the track groove (12) is equal to the thickness of the convex block (8).

6. A spindle for an electrical machine according to claim 1, wherein: the diameter of the connecting shaft (4) is equal to that of the placing cavity (6).

7. A spindle for an electrical machine according to claim 1, wherein: the diameters of the first shaft element (2), the second shaft element (3) and the connecting shaft (4) are sequentially decreased progressively.