CN220254256U - Dustproof structure of vibrating motor - Google Patents

Abstract

The utility model discloses a dustproof structure of a vibration motor, which comprises a motor shell, a rotor, a main eccentric block and a motor bearing, wherein two side surfaces of the motor shell are respectively connected with an end cover through a locking bolt I; the mode that uses oil blanket and labyrinth structure to combine together blocks the passageway that the dust got into the motor, reaches the dirt-proof effect of motor, can the exciting force of quick adjustment motor moreover to can guarantee that the exciting force of motor both ends or many motors is the same, avoid appearing the trouble that arouses because of exciting force is different.

Description

Dustproof structure of vibrating motor

Technical Field

The utility model relates to the technical field of vibration motor dust prevention, in particular to a vibration motor dust prevention structure.

Background

The service environment of vibrating motor is many dust environment, and the motor is because of advancing the powder, and leads to the bearing to damage and the motor burns out the trouble, in addition, to vibrating motor exciting force adjustment in-process, because of place, equipment are restricted, the exciting force of motor both ends or many vibrating motor can not reach unanimously to lead to motor or equipment to damage, conventional vibrating motor is dustproof seals through the dustproof oil blanket in the motor bearing outside, and individual layer dustproof oil blanket sealed effect is not good, and the dust also very easily enters into the bearing, leads to the bearing to damage, thereby influences vibrating motor's normal work, has proposed a vibrating motor dustproof construction to above-mentioned problem.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the dustproof structure of the vibrating motor, uses a mode of combining an oil seal and a labyrinth structure to block a channel of dust entering the motor, achieves the dustproof effect of the motor, can quickly adjust the exciting force of the motor, can ensure that the exciting forces of two or more motors are the same, avoids faults caused by different exciting forces, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vibrating motor dustproof construction, includes motor casing, rotor, main eccentric block and motor bearing, and motor casing's both sides face is connected with the end cover through locking bolt I respectively, and the inboard of end cover is provided with motor bearing, and the rotor passes through motor bearing and packs into in motor casing, and main eccentric block sets up respectively on motor casing's both sides rotor, and processing has interior mounting groove and outer mounting groove on the end cover, installs interior dustproof oil blanket and outer dustproof oil blanket respectively in interior mounting groove and the outer mounting groove, is provided with the labyrinth groove on the lateral surface of end cover, the outside of end cover is provided with dustproof labyrinth cover, and dustproof labyrinth cover and the contact cooperation of labyrinth groove's groove side form labyrinth structure, and dustproof labyrinth cover does not contact with the tank bottom in labyrinth groove.

Further, the dustproof labyrinth cover and the rotor are connected and fixed through a dustproof labyrinth cover locking screw, and the dustproof labyrinth cover is provided with a through hole along the circumferential direction.

Further, an oil duct is arranged on the end cover, a hole corresponding to the oil duct is formed in the motor shell, and an oiling plug is arranged in the hole.

Further, a positioning protrusion is arranged on the rotor, an inner bearing gland is arranged on the inner side of the end cover, the inner bearing gland is fixedly connected with the end cover through a locking bolt II, and the inner bearing gland is not contacted with the circumferential direction of the positioning protrusion.

Further, the outside of main eccentric block is provided with the protective cover, and this protective cover passes through screw and end cover fixed connection, still includes additional eccentric block, be connected through locking stud between additional eccentric block and the main eccentric block, be provided with lock nut on the locking stud.

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

1. the mode that uses oil blanket and labyrinth structure to combine together blocks the passageway that the dust got into the motor, reaches the dirt-proof effect of motor, and labyrinth structure increases sealed route, because the tank bottom in labyrinth groove and dustproof labyrinth cover do not contact, in the labyrinth groove in the outside is entered into to the dust, labyrinth groove and dustproof labyrinth cover contact cooperation part, also can block the dust and enter into the labyrinth inslot side to adopt outer dustproof oil blanket and interior dustproof oil blanket bilayer sealing structure, dustproof effect is better, extension motor life.

2. The exciting force of the motor can be quickly adjusted by changing the number of the additional eccentric blocks, the same exciting force of two ends of the motor or a plurality of motors can be ensured, and faults caused by different exciting forces are avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the end cover and the dustproof labyrinth cover;

FIG. 3 is a schematic view of the connection structure of the end cap and the protective cap according to the present utility model.

In the figure: the novel anti-dust oil seal device comprises a locking bolt I, a main eccentric block 2, a locking nut 3, a locking stud 4, a 5 end cover, a 6 dustproof labyrinth cover, a 7 dustproof labyrinth cover locking screw, an 8 through hole, a 9 outer dustproof oil seal, a 10 inner dustproof oil seal, an 11 oiling plug, a 12 bearing inner gland, a 13 positioning protrusion, a 14 rotor, a 15 motor shell, a 16 motor bearing, a 17 locking bolt II, an 18 additional eccentric block, a 19 inner mounting groove, a 20 outer mounting groove, a 21 labyrinth groove, a 22 protective cover and a 23 oil duct.

Detailed Description

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a vibrating motor dustproof construction, including motor casing 15, rotor 14, main eccentric block 2 and motor bearing 16, motor casing 15's both sides face is connected with end cover 5 through locking bolt I1 respectively, end cover 5's inboard is provided with motor bearing 16, rotor 14 is loaded into motor casing 15 through motor bearing 16, main eccentric block 2 sets up respectively on motor casing 15's both sides rotor 14, processing has interior mounting groove 19 and outer mounting groove 20 on end cover 5, interior mounting groove 19 and outer mounting groove 20 install interior dustproof oil blanket 10 and outer dustproof oil blanket 9 respectively, be provided with labyrinth groove 21 on the lateral surface of end cover 5, end cover 5's outside is provided with dustproof labyrinth cover 6, dustproof labyrinth cover 6 and labyrinth groove 21's groove side contact cooperation form labyrinth structure, and dustproof labyrinth cover 6 does not have been in contact with labyrinth groove 21's tank bottom, be equivalent to having formed one and hold the dirt structure, when the dust enters into labyrinth groove 21, dustproof lid 6 and labyrinth groove 21's groove side contact portion further gets into labyrinth groove 21 inboard, the dust is more on the outside is more, can be covered by the oiling, can be provided with fine seal effect on motor 5, end cover 23 is provided with on the end cover 23 and is equipped with the plug 23 and is used for carrying out the oil duct 11, the shutoff hole is arranged to the oil duct is added to the end cover 11, 23.

The dustproof labyrinth cover 6 is fixedly connected with the rotor 14 through the dustproof labyrinth cover locking screw 7, the dustproof labyrinth cover 6 is provided with a through hole 8 along the circumferential direction, and the through hole 8 is used for withdrawing the dustproof labyrinth cover 6 when the dustproof labyrinth cover is dismounted, so that the function of convenient dismounting is achieved.

The rotor 14 is provided with a positioning bulge 13, the positioning bulge 13 is used for limiting the motor bearing 16, the positioning bulge 13 plays a role in positioning the motor bearing 16, the inner side of the end cover 5 is provided with an inner bearing gland 12, the inner bearing gland 12 is fixedly connected with the end cover 5 through a locking bolt II 17, and the inner bearing gland 12 is not contacted with the circumferential direction of the positioning bulge 13.

The outside of main eccentric block 2 is provided with protective cover 22, and this protective cover 22 passes through screw and end cover 5 fixed connection, still includes additional eccentric block 18, is connected through locking stud 4 between additional eccentric block 18 and the main eccentric block 2, is provided with lock nut 3 on the locking stud 4, and lock nut 3 is in the same place additional eccentric block 18 and main eccentric block 2 are fixed, through the quantity that changes additional eccentric block 18, can the exciting force of quick adjustment motor to can guarantee that the exciting force of motor both ends or many motors is the same, avoid appearing the trouble that causes because of the exciting force is different.

During assembly, the outer dustproof oil seal 9 and the inner dustproof oil seal 10 are firstly respectively arranged in the outer mounting groove 20 and the inner mounting groove 19 of the end cover 5, then the motor bearing 16 is pressed into the end cover 5, the inner bearing gland 12 is locked by the locking bolt II 17, the end cover 5 is arranged on two sides of the motor shell 15 and is locked by the locking bolt I1, the rotor 14 is arranged, the component positioning bulge 13 on the rotor 14 is in transition fit with the inner bearing gland 12, the two parts cannot be erased, the dustproof labyrinth cover 6 is pressed on the rotor 14, and the dustproof labyrinth cover is locked by the locking screw 7.

When the main eccentric block 2 is arranged on the rotor 14, the dustproof labyrinth cover 6 is pressed tightly and locked, and the locking stud bolt 4 is arranged on the main eccentric block 2 and screwed; after the additional eccentric mass 18 is mounted on the locking stud 4, it is locked with the locking nut 3.

While the basic principles of the utility model have been shown and described, there are various changes and modifications to the utility model, which fall within the scope of the utility model as hereinafter claimed, without departing from the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a vibrating motor dustproof construction, including motor casing (15), rotor (14), main eccentric block (2) and motor bearing (16), the both sides face of motor casing (15) is connected with end cover (5) through lock bolt I (1) respectively, the inboard of end cover (5) is provided with motor bearing (16), rotor (14) are packed into in motor casing (15) through motor bearing (16), main eccentric block (2) set up respectively on rotor (14) of the both sides of motor casing (15), its characterized in that: an inner mounting groove (19) and an outer mounting groove (20) are formed in the end cover (5), an inner dustproof oil seal (10) and an outer dustproof oil seal (9) are respectively arranged in the inner mounting groove (19) and the outer mounting groove (20), a labyrinth groove (21) is formed in the outer side face of the end cover (5), a dustproof labyrinth cover (6) is arranged on the outer side face of the end cover (5), the dustproof labyrinth cover (6) is matched with the groove side face of the labyrinth groove (21) in a contact mode to form a labyrinth structure, and the dustproof labyrinth cover (6) is not contacted with the groove bottom of the labyrinth groove (21).

2. The vibration motor dust-proof structure according to claim 1, wherein: the dustproof labyrinth cover (6) is fixedly connected with the rotor (14) through a dustproof labyrinth cover locking screw (7), and the dustproof labyrinth cover (6) is provided with a through hole (8) along the circumferential direction.

3. The vibration motor dust-proof structure according to claim 1, wherein: an oil duct (23) is arranged on the end cover (5), a hole corresponding to the oil duct (23) is formed in the motor shell (15), and an oiling plug (11) is arranged in the hole.

4. The vibration motor dust-proof structure according to claim 1, wherein: the rotor (14) is provided with a positioning bulge (13), the inner side of the end cover (5) is provided with a bearing inner gland (12), the bearing inner gland (12) is fixedly connected with the end cover (5) through a locking bolt II (17), and the bearing inner gland (12) is not contacted with the circumferential direction of the positioning bulge (13).

5. The vibration motor dust-proof structure according to claim 1, wherein: the outside of main eccentric block (2) is provided with protective cover (22), and this protective cover (22) pass through screw and end cover (5) fixed connection, still includes additional eccentric block (18), be connected through locking stud (4) between additional eccentric block (18) and the main eccentric block (2), be provided with lock nut (3) on locking stud (4).