CN217508426U

CN217508426U - Motor end cover convenient to it is fixed

Info

Publication number: CN217508426U
Application number: CN202221684670.6U
Authority: CN
Inventors: 吴庆民
Original assignee: Changzhou Bohong Electric Appliance Co ltd
Current assignee: Changzhou Bohong Electric Appliance Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-27
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to the technical field of motors, concretely relates to motor end cover convenient to it is fixed. The utility model provides a motor end cover convenient to it is fixed, include: the rotary shaft is rotatably arranged in the shell; the two end covers are respectively fixed at the two ends of the shell; the two locking pieces are respectively sleeved at two ends of the outer wall of the rotating shaft, and one locking piece corresponds to one end cover; the locking groove that is suitable for the retaining member is seted up to the end cover inner wall, wherein the retaining member inserts behind the locking inslot and circumferential direction to it is spacing to make the end cover the pivot axial moves of rushing. The utility model discloses simple structure, it is easy and simple to handle, through the setting of retaining member, pivot and end cover, the retaining member has improved the fixed stability of pivot and end cover, has avoided the pivot axial to rush to move to lead to the fact end cover and pivot fixed not hard up, has improved the life of equipment.

Description

Motor end cover convenient to it is fixed

Technical Field

The utility model relates to the technical field of motors, concretely relates to motor end cover convenient to it is fixed.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is mainly used for generating driving torque and is used as a power source of electric appliances or various machines. The electric motor has a wide range of applications in life and industry, and the main structure of the electric motor comprises: stator, rotor, casing and both ends lid, the cooperation of end cover and casing reaches the effect of protection inside rotor and stator.

Therefore, the fixing effect of the motor end cover directly influences the service life of the motor. Since the motor shaft needs to protrude out of the motor end cover to transmit torque, the connection fixing stability of the motor shaft and the end cover is very important. When the motor works, a large amount of vibration can be generated, and the connection and fixation between the motor rotating shaft and the end cover can be loosened. Therefore, it is necessary to develop a motor end cover which is convenient to fix.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor end cover convenient to it is fixed unstable technical problem is connected to motor shaft and end cover among the prior art to be solved.

In order to achieve the above object, an embodiment of the utility model provides a motor end cover convenient to it is fixed, include:

the rotary shaft is rotatably arranged in the shell;

the two end covers are respectively fixed at the two ends of the shell;

the two locking pieces are respectively sleeved at two ends of the outer wall of the rotating shaft, and one locking piece corresponds to one end cover;

the inner wall of the end cover is provided with a locking groove suitable for the locking piece, wherein

The retaining member is inserted into the locking groove and rotates in the circumferential direction, so that the end cover is limited, and the rotating shaft moves axially.

Preferably, the locking member includes: the rolling mechanism comprises an outer ring, an inner ring and a rolling body, wherein a gap is formed between the inner ring and the outer ring, and the rolling body is rotatably arranged between the outer ring and the inner ring;

the inner ring is sleeved on the outer wall of the rotating shaft;

the outer wall of the outer ring is provided with two first locking stations and two second locking stations along the axial direction, the two first locking stations are symmetrically arranged, and the first locking stations are arranged at one end, close to the end cover, of the outer ring;

the two second locking stations are symmetrically arranged and are arranged at the other end of the outer ring;

a first locking station corresponds to a second locking station, and the first locking station and the second locking station are arranged in a staggered mode.

Preferably, the outer wall of the outer ring is further provided with a rotating groove, one end of the rotating groove is communicated with the first locking station, and the other end of the rotating groove is communicated with the second locking station.

Preferably, two first limiting blocks are arranged in the locking groove, the two first limiting blocks are symmetrically arranged, the first limiting blocks are fixed at the lower end of the side wall of the locking groove, and the first limiting blocks are matched with the first locking working position.

Preferably, the locking groove is further internally provided with two second limiting blocks, the two second limiting blocks are symmetrically arranged and fixed at the upper end of the side wall of the locking groove, and the second limiting blocks are matched with the first locking station, the second locking station and the rotating groove.

Preferably, the first limiting block and the second limiting block are arranged in a staggered mode.

Preferably, the outer wall of the end cover far away from the end part of the rotating shaft is provided with a plurality of fixing pieces, the fixing pieces are arranged along the circumferential direction of the end cover, and threaded holes suitable for fixing the shell are formed in the fixing pieces.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: the utility model provides a motor end cover convenient to it is fixed, through the setting of retaining member, pivot and end cover, the retaining member has improved the fixed stability of pivot and end cover, has avoided the pivot axial to rush to move and has led to cause the fixed not hard up condition of end cover and pivot, has improved the life of equipment.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of a motor end cover convenient to fix according to the present invention;

fig. 2 shows a perspective view of the end cap of the present invention;

fig. 3 shows a perspective view of the locking member of the present invention.

In the figure:

1. a housing; 2. a rotating shaft; 3. an end cap; 30. a locking groove; 31. a first stopper; 32. a second limiting block; 33. a fixing sheet; 4. a locking member; 41. an outer ring; 42. an inner ring; 43. a rolling body; 44. a first locking station; 45. a second locking station; 46. a rotating trough.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and fig. 3, the present invention provides a motor end cover 3 convenient for fixing, which includes: the device comprises a shell 1, a rotating shaft 2, two end covers 3 and two locking pieces 4, wherein the rotating shaft 2 is rotatably arranged in the shell 1; a rotor is fixed on the outer wall of the rotating shaft 2, a stator is fixed on the inner wall of the shell 1, and the two end covers 3 are respectively fixed at the two ends of the shell 1; the end cap 3 can prevent dust and moisture in the air from entering the housing 1. The two locking pieces 4 are respectively sleeved at two ends of the outer wall of the rotating shaft 2, and one locking piece 4 corresponds to one end cover 3; a locking groove 30 suitable for the locking piece 4 is formed in the inner wall of the end cover 3; when fixed, insert retaining member 4 and correspond back and circumferential direction in the locking groove 30 to make retaining member 4 fix in the locking groove 30, retaining member 4 is by the spacing fixed back of end cover 3, and pivot 2 rushes to move because of the axial that vibrations produced in the course of the work, can not lead to retaining member 4 and end cover 3 to break away from, has improved pivot 2 and the fixed stability of end cover 3 greatly, thereby has improved the life of equipment.

In order to improve the stability of retaining member 4 during operation, retaining member 4 includes: the bearing comprises an outer ring 41, an inner ring 42 and rolling bodies 43, wherein a gap is formed between the inner ring 42 and the outer ring 41, and the rolling bodies 43 are rotatably arranged between the outer ring 41 and the inner ring 42; the inner ring 42 is sleeved on the outer wall of the rotating shaft 2; two first locking stations 44 and two second locking stations 45 are axially arranged on the outer wall of the outer ring 41, the two first locking stations 44 are symmetrically arranged, and the first locking stations 44 are arranged at one end, close to the end cover 3, of the outer ring 41; the two second locking stations 45 are symmetrically arranged, and the second locking stations 45 are arranged at the other end of the outer ring 41; the first locking station 44 and the second locking station 45 are both arranged along the axial direction of the outer ring 41; one first locking station 44 corresponds to one second locking station 45, and the first locking station 44 and the second locking station 45 are arranged in a staggered manner. Due to the arrangement of the first locking station 44 and the second locking station 45, when the outer ring 41 is installed and fixed, the first limiting block 31 and the second limiting block 32 are respectively inserted into the corresponding first locking station 44 and the corresponding second locking station 45, so that the fixing stability of the outer ring 41 and the end cover 3 is improved, the outer ring 41 can be effectively prevented from axially rushing, and meanwhile, compared with the conventional glue fixing, the first limiting block 31 and the second limiting block 32 can limit the outer ring 41 to circumferentially rotate; meanwhile, the situation that the outer ring 41 and the end cover 3 are not fixed firmly due to the fact that glue is softened when the temperature in the shell 1 is too high can be avoided.

Preferably, the outer wall of the outer ring 41 is further provided with a rotating groove 46, one end of the rotating groove 46 is communicated with the first locking station 44, and the other end of the rotating groove 46 is communicated with the second locking station 45. After the first limiting block 31 is inserted into the corresponding first station, the outer ring 41 is rotated in the circumferential direction, so that the first limiting block 31 is clamped into the second locking station 45 after moving along the rotating groove 46, and the fixing stability of the outer ring 41 and the end cover 3 is improved.

In order to improve the connection and fixation stability of the outer ring 41 and the end cover 3, two first limit blocks 31 are arranged in the locking groove 30, the two first limit blocks 31 are symmetrically arranged, the first limit blocks 31 are fixed at the lower end of the side wall of the locking groove 30, and the first limit blocks 31 are matched with the first locking station 44. Still be provided with two second stopper 32 in the locking groove 30, two second stopper 32 symmetries set up, just second stopper 32 is fixed locking groove 30 lateral wall upper end, second stopper 32 with first locking station 44, second locking station 45 and rotatory groove 46 looks adaptation. The first stopper 31 and the second stopper 32 are arranged in a staggered manner. During operation, the outer ring 41 is inserted into the locking groove 30, one first locking station 44 corresponds to one second limiting block 32, after the second limiting block 32 is inserted into the corresponding first locking station 44, the outer ring 41 is rotated in the circumferential direction, so that the second limiting block 32 moves towards the second locking station 45 along the rotating groove 46, when the first locking station 44 moves to the upper side of the first limiting block 31, the second limiting block 32 simultaneously moves to the lower side of the second locking station 45, the outer ring 41 is continuously inserted downwards, so that the second limiting block 32 is inserted into the second locking station 45, and the synchronous first limiting block 31 is inserted into the first locking station 44. The first stopper 31 and the second stopper 32 are arranged in a staggered manner to improve the stability of the fixation between the outer ring 41 and the end cover 3.

Optionally, a plurality of fixing pieces 33 are arranged on the outer wall of the end cover 3 away from the end portion of the rotating shaft 2, the fixing pieces 33 are arranged along the circumferential direction of the end cover 3, and threaded holes suitable for fixing the shell 1 are formed in the fixing pieces 33. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor end cover (3) convenient to fix, comprising:

the device comprises a shell (1), a rotating shaft (2), two end covers (3) and two locking pieces (4), wherein the rotating shaft (2) is rotatably arranged in the shell (1);

the two end covers (3) are respectively fixed at the two ends of the shell (1);

the two locking parts (4) are respectively sleeved at two ends of the outer wall of the rotating shaft (2), and one locking part (4) corresponds to one end cover (3);

the inner wall of the end cover (3) is provided with a locking groove (30) suitable for the locking piece (4), wherein

Retaining member (4) are inserted back and circumferential direction in locking groove (30) to it is spacing to make end cover (3) pivot (2) axial rush to move.

2. A motor end cover (3) facilitating fastening as claimed in claim 1,

the retaining member (4) comprises: the bearing comprises an outer ring (41), an inner ring (42) and a rolling body (43), wherein a gap is formed between the inner ring (42) and the outer ring (41), and the rolling body (43) is rotatably arranged between the outer ring (41) and the inner ring (42);

the inner ring (42) is sleeved on the outer wall of the rotating shaft (2);

the outer wall of the outer ring (41) is provided with two first locking stations (44) and two second locking stations (45) along the axial direction, the two first locking stations (44) are symmetrically arranged, and the first locking stations (44) are arranged at one end, close to the end cover (3), of the outer ring (41);

the two second locking stations (45) are symmetrically arranged, and the second locking stations (45) are arranged at the other end of the outer ring (41);

a first locking station (44) corresponds to a second locking station (45), and the first locking station (44) and the second locking station (45) are arranged in a staggered mode.

3. A motor end cover (3) facilitating fastening as claimed in claim 2,

the outer ring (41) is provided with a rotating groove (46), one end of the rotating groove (46) is communicated with the first locking station (44), and the other end of the rotating groove (46) is communicated with the second locking station (45).

4. A motor end cover (3) facilitating fastening as claimed in claim 3,

two first limiting blocks (31) are arranged in the locking groove (30), the two first limiting blocks (31) are symmetrically arranged, the first limiting blocks (31) are fixed at the lower end of the side wall of the locking groove (30), and the first limiting blocks (31) are matched with the first locking station (44).

5. A motor end cover (3) facilitating fastening as claimed in claim 4,

still be provided with two second stopper (32) in locking groove (30), two second stopper (32) symmetry set up, just second stopper (32) are fixed locking groove (30) lateral wall upper end, second stopper (32) with first locking station (44), second locking station (45) and rotatory groove (46) looks adaptation.

6. A motor end cover (3) facilitating fastening as claimed in claim 5,

the first limiting block (31) and the second limiting block (32) are arranged in a staggered mode.

7. A motor end cover (3) facilitating fastening as claimed in claim 6,

keep away from end cover (3) outer wall of pivot (2) tip is provided with a plurality of stationary blades (33), and is a plurality of stationary blade (33) are followed end cover (3) circumference sets up, just set up the screw hole that is suitable for fixed casing (1) on stationary blade (33).