CN216122056U

CN216122056U - DC motor capable of reducing noise

Info

Publication number: CN216122056U
Application number: CN202121748498.1U
Authority: CN
Inventors: 许坤崇; 杨金海; 蒙建華
Original assignee: Changxu Electronic Products Shenzhen Co ltd
Current assignee: Changxu Electronic Products Shenzhen Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-22
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field of motors, in particular to a DC motor capable of reducing noise, and solves the problems that in the prior art, when the rotating speed of the motor is high, a shaft gear on the motor shakes, so that high noise is generated in the operation process, the use feeling is influenced, the service life is shortened, and the actual use experience is not facilitated. The utility model provides a DC motor of noise reduction, includes motor body, transmission shaft and drive gear, the surface of motor body is provided with stabilising arrangement, stabilising arrangement includes the motor sleeve, the telescopic inner wall of motor and motor body fixed connection, the telescopic surface cover of motor has solid fixed ring, gu fixed ring's fixed surface is connected with two mounts. According to the utility model, the stabilizing device 4 is arranged, so that the stability of the transmission shaft 2 is higher when the transmission gear 3 is driven to rotate, the shaking of the motor body 1 is reduced during operation, the noise is lower, and the service life is prolonged.

Description

DC motor capable of reducing noise

Technical Field

The utility model relates to the technical field of motors, in particular to a DC motor capable of reducing noise.

Background

The motor is an electric motor or an engine, the working principle is that a starter rotor is driven to rotate by the forced rotation of an electrified coil in a magnetic field, and a pinion on the rotor drives an engine flywheel to rotate.

When the motor is used, when the rotating speed is large, the shaft gear on the motor can shake, so that large noise is generated in the operation process, the use feeling is influenced, the service life is prolonged, and the actual use experience is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a DC motor capable of reducing noise, and solves the problems that in the prior art, when the rotating speed of the motor is high, a shaft gear on the motor shakes, so that high noise is generated in the operation process, the use feeling is influenced, the service life is shortened, and the actual use experience is not facilitated.

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

the utility model provides a DC motor of noise reduction, includes motor body, transmission shaft and drive gear, the port of transmission shaft and the output shaft port fixed connection of motor body, drive gear fixed mounting is at the port of transmission shaft, the surface of motor body is provided with stabilising arrangement, stabilising arrangement includes the motor sleeve, the telescopic inner wall of motor and motor body fixed connection, the telescopic surface cover of motor has solid fixed ring, gu two fixed ring's fixed surface are connected with two mounts, two the one end that the mount is close to each other all slides and inserts and is equipped with the extrusion ring, the lateral wall of mount is rotated and is inserted and be equipped with first screw rod, the surface and the extrusion ring threaded connection of first screw rod, the surface cover of transmission shaft has the bearing housing, the bearing housing is located the inside of two extrusion rings.

Preferably, the surface of the fixing ring is provided with a fixing bolt, and the fixing ring is fixedly connected with the motor sleeve by means of the fixing bolt.

Preferably, the fixed ring is composed of a semicircular ring and a sliding rod, and the surface of the sliding rod is inserted in the fixed frame in a sliding manner.

Preferably, the surface of two said fixed ring is provided with fastening bolt, the surface screw thread of said fastening bolt has nuts.

Preferably, the telescopic port of motor is provided with auxiliary device, auxiliary device includes the dead lever, the surface and the telescopic fixed connection of motor of dead lever, the surface screw thread of dead lever has run through the second screw rod, the port that the second screw rod is located the telescopic inside of motor rotates and is connected with the circle piece, and the telescopic surface of motor is close to the position slip of transmission shaft and is run through the inserted bar.

Preferably, the surface of the round block is fixedly provided with a gasket, and one end of the second screw rod, which is far away from the round block, is fixedly provided with a knob.

The utility model has at least the following beneficial effects:

first install the bearing housing on the surface of transmission shaft in the use, then install the motor sleeve on the surface of motor body, then will fix the ring cover on the telescopic surface of motor, it is fixed to utilize fixing bolt to make fixed ring, then rotate first screw rod, can drive the extrusion ring and remove when first screw rod rotates, make two extrusion rings utilize the slide bar of self to remove, and then make the extrusion ring extrusion bearing housing, make the bearing housing cover on the surface of transmission shaft, when the motor body moves this moment, the transmission shaft rotates the in-process can take place to rotate with the bearing housing, and then utilize the bearing housing to restrict the transmission shaft, make the transmission shaft stability better when the pivoted.

The utility model also has the following beneficial effects:

motor body surface cover has motor sleeve, motor body utilizes motor sleeve to connect, direct motor body inserts motor sleeve's inside when using, then insert the inserted bar, utilize the knob to rotate the second screw rod, the second screw rod can take place to remove when the pivoted, utilize gasket and motor body to contact each other until the disk, continue to rotate the second screw rod this moment, one side that motor body is close to the transmission shaft is each other butt with the inserted bar, thereby fix motor body extrusion in motor sleeve's inside, through setting up auxiliary device, can install motor body in motor sleeve's inside, and conveniently dismantle, utilize the gasket can reduce the vibrations that motor body during operation produced, and then make the result of use better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of a part of the auxiliary device according to the present invention;

FIG. 4 is a schematic view of the structure of the stabilizing device of the present invention.

In the figure: 1. a motor body; 2. a drive shaft; 3. a transmission gear; 4. a stabilizing device; 41. a motor sleeve; 42. fixing the bolt; 43. a fixing ring; 44. a fixed mount; 45. a first screw; 46. a bearing housing; 47. an extrusion ring; 48. fastening a bolt; 5. an auxiliary device; 51. a second screw; 52. a gasket; 53. a round block; 54. inserting a rod; 55. and (5) fixing the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-4, a DC motor capable of reducing noise includes a motor body 1, a transmission shaft 2 and a transmission gear 3, a port of the transmission shaft 2 is fixedly connected to a port of an output shaft of the motor body 1, the transmission gear 3 is fixedly mounted at the port of the transmission shaft 2, a stabilizing device 4 is disposed on a surface of the motor body 1, the stabilizing device 4 includes a motor sleeve 41, an inner wall of the motor sleeve 41 is fixedly connected to the motor body 1, a fixing ring 43 is sleeved on the surface of the motor sleeve 41, two fixing frames 44 are fixedly connected to the surface of the fixing ring 43, a pressing ring 47 is slidably inserted into one end of each of the two fixing frames 44 close to each other, a first screw 45 is rotatably inserted into a side wall of the fixing frame 44, the surface of the first screw 45 is in threaded connection with the pressing ring 47, a bearing sleeve 46 is sleeved on the surface of the transmission shaft 2, and the bearing sleeve 46 is located inside the two pressing rings 47.

The scheme has the following working processes:

in use, install bearing housing 46 on the surface of transmission shaft 2 at first, then install motor sleeve 41 on the surface of motor body 1, then overlap solid fixed ring 43 on motor sleeve 41's surface, it is fixed to utilize fixing bolt 42 to make solid fixed ring 43, then rotate first screw 45, can drive extrusion ring 47 when first screw 45 rotates and remove, make two extrusion ring 47 utilize self slide bar to remove, and then make extrusion ring 47 extrude bearing housing 46, make bearing housing 46 cover on the surface of transmission shaft 2, when motor body 1 moved this moment, transmission shaft 2 rotates the in-process and can take place to rotate with bearing housing 46, and then utilize bearing housing 46 to restrict transmission shaft 2, make transmission shaft 2 stability when the pivoted better.

According to the working process, the following steps are known:

through setting up stabilising arrangement 4, make transmission shaft 2 drive transmission gear 3 pivoted time stability higher, and then make motor body 1 reduce when the operation and rock, make the noise littleer, increase of service life.

Further, the surface of each of the fixing rings 43 is provided with a fixing bolt 42, and the fixing rings 43 are fixedly connected to the motor sleeve 41 by the fixing bolts 42.

Further, the fixing ring 43 is composed of a semicircular ring and a slide bar, and the surface of the slide bar is slidably inserted into the fixing frame 44.

Further, the surfaces of the two fixing rings 43 are provided with fastening bolts 48, and nuts are screwed to the surfaces of the fastening bolts 48.

Further, the port of the motor sleeve 41 is provided with an auxiliary device 5, the auxiliary device 5 includes a fixing rod 55, the surface of the fixing rod 55 is fixedly connected with the motor sleeve 41, a second screw 51 penetrates through the surface thread of the fixing rod 55, the port of the second screw 51 located inside the motor sleeve 41 is rotatably connected with a round block 53, and an insertion rod 54 penetrates through the surface of the motor sleeve 41 at a position close to the transmission shaft 2 in a sliding manner.

Furthermore, a gasket 52 is fixedly mounted on the surface of the round block 53, and a knob is fixedly mounted at one end of the second screw 51 far away from the round block 53.

In summary, in use, first, the bearing sleeve 46 is installed on the surface of the transmission shaft 2, then the motor sleeve 41 is installed on the surface of the motor body 1, then the fixing ring 43 is sleeved on the surface of the motor sleeve 41, the fixing ring 43 is fixed by the fixing bolt 42, then the first screw 45 is rotated, the first screw 45 drives the extrusion rings 47 to move when rotating, so that the two extrusion rings 47 move by using their own sliding rods, and further the extrusion rings 47 extrude the bearing sleeve 46, so that the bearing sleeve 46 is sleeved on the surface of the transmission shaft 2, at this time, when the motor body 1 is in operation, the transmission shaft 2 rotates with the bearing sleeve 46 during rotation, and further the transmission shaft 2 is limited by the bearing sleeve 46, so that the stability of the transmission shaft 2 during rotation is better, the fastening bolts 48 on the surface of the extrusion rings 47 can make the fixing effect of the extrusion rings 47 on the bearing sleeve 46 better, by providing the stabilizing device 4, the stability of the transmission shaft 2 is higher when the transmission gear 3 is driven to rotate, further the shaking of the motor body 1 is reduced when the motor body 1 runs, the noise is smaller, the service life is prolonged, the motor sleeve 41 is sleeved on the surface of the motor body 1, the motor body 1 is connected by the motor sleeve 41, the motor body 1 is directly inserted into the motor sleeve 41 when the motor body is used, then the inserted rod 54 is inserted, the second screw rod 51 is rotated by a knob, the second screw rod 51 can move when the motor body is rotated until the round block 53 is contacted with the motor body 1 by the gasket 52, at the moment, the second screw rod 51 is continuously rotated, one side of the motor body 1 close to the transmission shaft 2 is abutted against the inserted rod 54, so that the motor body 1 is fixed in the motor sleeve 41 in an extruding manner, the motor body 1 can be installed in the motor sleeve 41 by arranging the auxiliary device 5, the motor body 1 is convenient to disassemble, and the gasket 52 can reduce vibration generated when the motor body 1 works, so that the use effect is better.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The DC motor capable of reducing noise comprises a motor body (1), a transmission shaft (2) and a transmission gear (3), wherein a port of the transmission shaft (2) is fixedly connected with an output shaft port of the motor body (1), the transmission gear (3) is fixedly installed at the port of the transmission shaft (2), and the DC motor is characterized in that a stabilizing device (4) is arranged on the surface of the motor body (1), the stabilizing device (4) comprises a motor sleeve (41), the inner wall of the motor sleeve (41) is fixedly connected with the motor body (1), a fixing ring (43) is sleeved on the surface of the motor sleeve (41), two fixing frames (44) are fixedly connected with the surface of the fixing ring (43), an extrusion ring (47) is inserted at one end, close to each other, of the two fixing frames (44), a first screw (45) is inserted on the side wall of the fixing frame (44) in a rotating manner, the surface of the first screw rod (45) is in threaded connection with the extrusion rings (47), the surface of the transmission shaft (2) is sleeved with a bearing sleeve (46), and the bearing sleeve (46) is positioned inside the two extrusion rings (47).

2. A DC motor with reduced noise according to claim 1, wherein the surface of the fixing ring (43) is provided with a fixing bolt (42), and the fixing ring (43) is fixedly connected with the motor sleeve (41) by means of the fixing bolt (42).

3. A DC motor with reduced noise according to claim 1, wherein the fixed ring (43) is composed of a semicircular ring and a slide bar, the surface of which is slidably inserted inside the fixed frame (44).

4. A DC motor with reduced noise according to claim 1, wherein the surface of the two fixing rings (43) is provided with a fastening bolt (48), and a nut is screwed to the surface of the fastening bolt (48).

5. A DC motor with reduced noise according to claim 1, wherein the port of the motor sleeve (41) is provided with an auxiliary device (5), the auxiliary device (5) comprises a fixing rod (55), the surface of the fixing rod (55) is fixedly connected with the motor sleeve (41), the surface of the fixing rod (55) is threaded with a second screw (51), the port of the second screw (51) inside the motor sleeve (41) is rotatably connected with a circular block (53), and the surface of the motor sleeve (41) is slidably penetrated with an insert rod (54) near the transmission shaft (2).

6. A DC motor with reduced noise according to claim 5, wherein the surface of the round block (53) is fixedly installed with a gasket (52), and the end of the second screw rod (51) far away from the round block (53) is fixedly installed with a knob.