CN220173016U

CN220173016U - Main shaft with built-in key groove for motor

Info

Publication number: CN220173016U
Application number: CN202321412411.2U
Authority: CN
Inventors: 杨殿才; 谢德兴; 居海凤; 袁燕
Original assignee: Yangzhou Minghe Power Technology Co ltd
Current assignee: Yangzhou Minghe Power Technology Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-12-12
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a motor main shaft with built-in key grooves, belonging to the technical field of motor accessories, comprising a motor and a motor base arranged at the bottom of the motor, wherein an output shaft of the motor is connected with the main shaft, and key grooves are formed in the front side and the rear side of the main shaft; the gear assembly comprises a sleeve, a gear is integrally formed at the right end of the sleeve, through grooves matched with the key grooves are formed at the front end and the rear end of the sleeve, and key blocks are attached to the through grooves; the positioning assembly comprises a transverse moving device, wherein a sliding frame is arranged on the transverse moving device, a threaded rod is adjusted through rotation, so that two side fixing blocks move towards the direction close to a gear, the gear can be positioned through the two side fixing blocks, and then after the gear is installed into a motor spindle, the gear can be temporarily positioned, and a through groove on the gear is kept aligned with a key groove on the spindle, so that a key block can be conveniently knocked in.

Description

Main shaft with built-in key groove for motor

Technical Field

The utility model relates to the technical field of motor accessories, in particular to a main shaft with a built-in key slot for a motor.

Background

The key slot is a slot which is machined on the shaft or in the hole and matched with the key and is used for installing the key so as to transmit torque. At present, a key slot on a main shaft for a motor is generally used by combining the main shaft of the motor with a gear, the main shaft of the motor is provided with the key slot, the gear is also provided with a through slot matched with the key slot in size, and after the gear is installed into the main shaft of the motor, a key block is knocked in, so that the main shaft and the gear cannot shift, and the torque providing effect is achieved.

In practical operation, the key block can be knocked in after the through groove on the gear is aligned with the key groove on the main shaft, and the temporary positioning of the gear is lacking after the gear is installed into the main shaft of the motor at present, therefore, we propose a main shaft for the motor with a built-in key groove.

Disclosure of Invention

The utility model aims to provide a main shaft for a motor with a built-in key slot, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the motor spindle with the built-in key grooves comprises a motor and a motor seat arranged at the bottom of the motor, wherein an output shaft of the motor is connected with the spindle, and key grooves are formed in the front side and the rear side of the spindle;

the gear assembly comprises a sleeve, a gear is integrally formed at the right end of the sleeve, through grooves matched with the key grooves are formed at the front end and the rear end of the sleeve, and key blocks are attached to the through grooves;

the positioning assembly comprises a transverse moving device, a sliding frame is arranged on the transverse moving device, adjusting screw rods II are arranged at the tops of the front end and the rear end of the sliding frame, clamping blocks are connected to opposite sides of the two groups of adjusting screw rods II in a rotating mode, guide rods penetrating through the sliding frame are arranged on the clamping blocks, and the two groups of clamping blocks are located on the front side and the rear side of the main shaft respectively.

As a preferable embodiment of the spindle for a motor with a built-in key groove according to the present utility model, wherein: the transverse moving device comprises a sliding rail arranged on the motor base, the sliding frame is connected to the sliding rail in a sliding mode, the first adjusting screw is connected to the sliding frame in a rotating mode, and a protruding block for the first adjusting screw to penetrate through is arranged on the sliding rail.

As a preferable embodiment of the spindle for a motor with a built-in key groove according to the present utility model, wherein: handles are arranged on the first adjusting screw rod and the second adjusting screw rod.

As a preferable embodiment of the spindle for a motor with a built-in key groove according to the present utility model, wherein: the left side both ends of sleeve all are provided with the fixed block, and are provided with the fixed screw on the fixed block.

As a preferable embodiment of the spindle for a motor with a built-in key groove according to the present utility model, wherein: connecting blocks are arranged on two sides of the key block, and connecting screws are arranged on the connecting blocks.

As a preferable embodiment of the spindle for a motor with a built-in key groove according to the present utility model, wherein: the spindle is provided with a fixing screw hole matched with the fixing screw, and the sleeve is provided with a connecting screw hole matched with the connecting screw.

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

1. the two side fixing blocks move towards the direction close to the gear through rotating the adjusting threaded rod, so that the gear can be positioned through the two side fixing blocks, and then after the gear is installed in the motor main shaft, the gear can be positioned temporarily, and the through groove on the gear is kept aligned with the key groove on the main shaft, so that the key block can be knocked in conveniently;

2. through setting up transverse moving device, can adjust the transverse position of fixed block for after installing the gear, can drive the fixed block through the balladeur train and remove left, do not influence the use of gear.

Drawings

FIG. 1 is a schematic view showing the overall structure of a spindle for a motor with a built-in key slot according to the present utility model;

FIG. 2 is a schematic view of a positioning assembly of a spindle for an electric motor with a built-in keyway according to the present utility model;

fig. 3 is an enlarged schematic view of a gear assembly of a spindle for an electric motor with a built-in key slot according to the present utility model.

In the figure: 1. a motor; 2. a motor base; 3. a main shaft; 4. a key slot; 5. a sleeve; 6. a gear; 7. a through groove; 8. a fixed block; 9. a set screw; 10. a key block; 11. a connecting block; 12. a connecting screw; 13. a slide rail; 14. a carriage; 15. a bump; 16. adjusting the first screw rod; 17. adjusting a second screw rod; 18. a clamping block; 19. and a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As mentioned in the background art, the problem of lack of positioning gears when gears are mounted on a spindle in the prior art is addressed. The utility model provides a main shaft with a positioning assembly for a motor, which is provided with a built-in key slot.

Example 1

Referring to fig. 1 to 3, a spindle for a motor with a built-in key groove comprises a motor 1 and a motor base 2 arranged at the bottom of the motor 1, wherein an output shaft of the motor 1 is connected with a spindle 3 through the prior art, and key grooves 4 are formed in the front side and the rear side of the spindle 3;

the gear assembly comprises a sleeve 5, a gear 6 is integrally formed at the right end of the sleeve 5, the sleeve 5 and the gear 6 can be attached to the outer wall of the main shaft 3 when sleeved on the main shaft 3, through grooves 7 matched with the key grooves 4 are formed at the front end and the rear end of the sleeve 5, key blocks 10 are attached to the through grooves 7, and the key blocks 10 can be knocked into the key grooves 4 through the through grooves 7;

the positioning assembly comprises a transverse moving device, wherein a sliding frame 14 is arranged on the transverse moving device, two adjusting screw rods II 17 are arranged at the tops of the front end and the rear end of the sliding frame 14, two groups of adjusting screw rods II 17 are rotatably connected with clamping blocks 18 on opposite sides of the two groups of adjusting screw rods II 17, guide rods 19 penetrating through the sliding frame 14 are arranged on the clamping blocks 18, the guide rods 19 are used for guiding movement of the clamping blocks 18, and the two groups of clamping blocks 18 are respectively located on the front side and the rear side of the main shaft 3.

The transverse moving device comprises a sliding rail 13 arranged on the motor base 2, a sliding frame 14 is slidably connected to the sliding rail 13, an adjusting screw I16 is rotatably connected to the sliding frame 14, a protruding block 15 for the adjusting screw I16 to penetrate through is arranged on the sliding rail 13, and the sliding frame 14 can be driven to transversely move on the sliding rail 13 by rotation of the adjusting screw I16.

The left side both ends at sleeve 5 all are provided with fixed block 8, and are provided with fixed screw 9 on the fixed block 8, and the both sides of keyblock 10 all are provided with connecting block 11, and are provided with connecting screw 12 on the connecting block 11, be provided with on the main shaft 3 with fixed screw 9 assorted fixed screw, be provided with on the sleeve 5 with connecting screw 12 assorted connecting screw, when fixed screw 9 connects in the fixed screw, can fix gear 6, when connecting screw 12 connects in the connecting screw, can fix keyblock 10.

Example 2

Referring to fig. 1 to 2, in order to facilitate the user to rotate the first and second adjusting screws 16 and 17, handles are provided on both the first and second adjusting screws 16 and 17.

The rest of the structure is the same as in embodiment 1.

Working principle: sleeve 5 is sleeved on spindle 3 until through groove 7 is aligned with key groove 4, at this time, adjusting screw two 17 on two sides is rotated, so that clamping blocks 18 on front and back sides temporarily position gear 6, key block 10 can be knocked in from through groove 7 on two sides until key block 10 enters into key groove 4, then key block 10 is fixed through connecting screw 12, sleeve 5 is fixed through fixing screw 9, and finally sliding frame 14 drives clamping block 18 to move leftwards through rotating adjusting screw one 16, so that subsequent use of gear 6 is not affected.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spindle for a motor with built-in keyway, characterized in that: comprising the steps of (a) a step of,

the motor comprises a motor (1) and a motor base (2) arranged at the bottom of the motor (1), wherein an output shaft of the motor (1) is connected with a main shaft (3), and key grooves (4) are formed in the front side and the rear side of the main shaft (3);

the gear assembly comprises a sleeve (5), a gear (6) is integrally formed at the right end of the sleeve (5), through grooves (7) matched with the key grooves (4) are formed at the front end and the rear end of the sleeve (5), and key blocks (10) are attached to the through grooves (7);

the positioning assembly comprises a transverse moving device, wherein a sliding frame (14) is arranged on the transverse moving device, two adjusting screw rods (17) are arranged at the top parts of the front end and the rear end of the sliding frame (14), clamping blocks (18) are connected to opposite sides of the two adjusting screw rods (17) in a rotating mode, guide rods (19) penetrating through the sliding frame (14) are arranged on the clamping blocks (18), and the two groups of clamping blocks (18) are respectively located on the front side and the rear side of the main shaft (3).

2. A spindle for an electric motor with built-in key slot as set forth in claim 1, wherein: the transverse moving device comprises a sliding rail (13) arranged on the motor base (2), the sliding frame (14) is slidably connected to the sliding rail (13), an adjusting screw I (16) is rotatably connected to the sliding frame (14), and a lug (15) for the adjusting screw I (16) to penetrate is arranged on the sliding rail (13).

3. A spindle for an electric motor with built-in key slot as set forth in claim 2, wherein: handles are arranged on the first adjusting screw (16) and the second adjusting screw (17).

4. A spindle for an electric motor with built-in key slot as set forth in claim 1, wherein: the left side both ends of sleeve (5) all are provided with fixed block (8), and are provided with fixed screw (9) on fixed block (8).

5. The spindle for a motor with built-in key slot as defined in claim 4, wherein: connecting blocks (11) are arranged on two sides of the key block (10), and connecting screws (12) are arranged on the connecting blocks (11).

6. A spindle for a motor having a built-in key groove as defined in claim 5, wherein: the spindle (3) is provided with a fixing screw hole matched with the fixing screw (9), and the sleeve (5) is provided with a connecting screw hole matched with the connecting screw (12).