CN210898745U

CN210898745U - Motor bearing cap seal structure

Info

Publication number: CN210898745U
Application number: CN201922317260.2U
Authority: CN
Inventors: 吴超; 罗新春
Original assignee: Huai'an Datong Machinery Manufacturing Co ltd
Current assignee: Huai'an Datong Machinery Manufacturing Co ltd
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-06-30
Anticipated expiration: 2029-12-22

Abstract

The utility model relates to the technical field of motors, and a motor bearing cap seal structure is disclosed, which comprises an outer shell, shell left side movable mounting has the bearing cap, the right side fixed mounting of bearing cap has the outer loop that extends to the shell inside, and the right side fixed mounting of bearing cap has the inner ring that is located the outer loop inside, outer loop and inner ring pass through strengthening rib fixed connection, and the inside movable mounting of inner ring has sealed bearing, the inside movable mounting of bearing cap has the stabilizing ring that is located sealed bearing left, and the inside fixed mounting of shell has the fixed block that is located the outer loop outside, and the inside movable mounting of fixed block has stabilizing spring, stabilizing spring's left side movable mounting has the stopper, and the left side fixed mounting of stopper has the sealing ring that extends to the bearing cap inside. This motor bearing cap seal structure can avoid the inside that the dust got into the motor through the clearance between bearing cap and the shell, effectively increases this bearing cap leakproofness, has protected the motor.

Description

Motor bearing cap seal structure

Technical Field

The utility model relates to the technical field of motors, specifically be a motor bearing cap seal structure.

Background

The motor is a device for converting electric energy into mechanical energy, and is characterized by that it utilizes an electrified coil (producing rotating magnetic field and acting on rotor to form magnetoelectric power rotating torque, and the motor is divided into D.C. motor and A.C. motor according to different power supplies, and the most of the motors in the power system are A.C. motors, and can be synchronous motor or asynchronous motor, and the motor mainly is formed from stator and rotor, and the forced movement direction of electrified conducting wire in the magnetic field is related to current direction and magnetic induction line direction, and when the motor is worked, the rotor is connected with output shaft, and at the same time when it is used, the bearing cover can be used to seal the motor.

When the existing bearing cover is used, the sealing effect is poor, a gap exists at the joint of the bearing cover and the motor shell easily, dust enters the motor through the gap to cause adverse effect, and therefore the sealing structure of the bearing cover of the motor is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a motor bearing cap seal structure possesses advantages such as sealed effectual, has solved current bearing cap when using, and sealed effect is relatively poor, and there is the clearance bearing cap easily with motor housing's junction, and the dust enters the problem that can cause harmful effects to the motor through the clearance.

(II) technical scheme

For realizing the above-mentioned sealed effectual purpose, the utility model provides a following technical scheme: a sealing structure of a bearing cover of a motor comprises a shell, wherein a bearing cover is movably arranged on the left side of the shell, an outer ring extending into the shell is fixedly arranged on the right side of the bearing cover, an inner ring positioned in the outer ring is fixedly arranged on the right side of the bearing cover, the outer ring and the inner ring are fixedly connected through a reinforcing rib, a sealing bearing is movably arranged in the inner ring, a stabilizing ring positioned on the left side of the sealing bearing is movably arranged in the bearing cover, a fixing block positioned on the outer side of the outer ring is fixedly arranged in the shell, a stabilizing spring is movably arranged in the fixing block, a limiting block is movably arranged on the left side of the stabilizing spring, a sealing ring extending into the bearing cover is fixedly arranged on the left side of the limiting block, a fixing screw extending into the shell is connected to the left side of the bearing cover through threads, a gasket positioned in the, and a positioning column extending to the inside of the shell is fixedly arranged on the right side of the bearing cover.

Preferably, the number of the reinforcing ribs is six, and the six reinforcing ribs are uniformly distributed around the inner ring in an annular shape.

Preferably, the stabilizing ring is a rubber ring, the thickness of the stabilizing ring is not less than three millimeters, the number of the fixing screws is six, and the six fixing screws are uniformly distributed on the left side of the bearing cover in an annular mode.

Preferably, spring guide posts are fixedly mounted on the right side of the limiting block and inside the fixing block, and extend to the inside of the stabilizing spring.

Preferably, the right side of bearing cap has seted up the seal groove, and the sealing ring is the rubber ring with seal groove looks adaptation.

Preferably, the number of the positioning columns is eight, the left side of the shell is provided with positioning holes, and the positioning holes are matched with the positioning columns.

(III) advantageous effects

Compared with the prior art, the utility model provides a motor bearing cap seal structure possesses following beneficial effect:

this motor bearing cap seal structure, through reference column and the left locating hole of shell, make the user aim at reference column and locating hole and can guarantee the rigidity when installing sealed lid, the location is accurate, convenient to use person installs, can give the stopper a power left all the time through stabilizing the spring, the sealing ring can be given in this power, make the sealing ring receive the power left all the time, thereby make the inside of sealing ring hug closely the seal groove all the time, can effectively plug up the clearance between bearing cap and the shell through the sealing ring, avoid the dust to pass through the inside that the clearance between bearing cap and the shell got into the motor, thereby effectively increasing this bearing cap leakproofness, the motor has been protected.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 3 is a left side view of the housing of the present invention.

In the figure: the device comprises a shell 1, a bearing cover 2, an outer ring 3, an inner ring 4, a reinforcing rib 5, a sealing bearing 6, a stabilizing ring 7, a fixing block 8, a stabilizing spring 9, a limiting block 10, a sealing ring 11, a fixing screw 12, a gasket 13 and a positioning column 14.

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.

Referring to fig. 1-3, a sealing structure of a motor bearing cap comprises a housing 1, a bearing cap 2 is movably mounted on the left side of the housing 1, an outer ring 3 extending into the housing 1 is fixedly mounted on the right side of the bearing cap 2, an inner ring 4 positioned in the outer ring 3 is fixedly mounted on the right side of the bearing cap 2, the outer ring 3 and the inner ring 4 are fixedly connected through reinforcing ribs 5, the number of the reinforcing ribs 5 is six, the six reinforcing ribs 5 are uniformly distributed around the inner ring 4 in a ring shape, a sealing bearing 6 is movably mounted in the inner ring 4, a stabilizing ring 7 positioned on the left side of the sealing bearing 6 is movably mounted in the bearing cap 2, the stabilizing ring 7 is a rubber ring, the thickness of the stabilizing ring 7 is not less than three millimeters, a fixing block 8 positioned outside the outer ring 3 is fixedly mounted in the housing 1, a stabilizing spring 9 is movably mounted in the fixing block 8, spring guide columns are fixedly mounted on the right side of the limiting block 10 and the inside of the fixing block 8, the spring guide columns extend to the inside of the stabilizing spring 9, a sealing ring 11 extending to the inside of the bearing cover 2 is fixedly mounted on the left side of the limiting block 10, a sealing groove is formed in the right side of the bearing cover 2, the sealing ring 11 is matched with the sealing groove, the sealing ring 11 is a rubber ring, fixing screws 12 extending to the inside of the shell 1 are in threaded connection with the left side of the bearing cover 2, the number of the fixing screws 12 is six, the six fixing screws 12 are uniformly distributed on the left side of the bearing cover 2 in an annular shape, a gasket 13 located inside the bearing cover 2 is sleeved outside the fixing screws 12, positioning columns 14 extending to the inside of the shell 1 are fixedly mounted on the right side of the bearing cover 2, the number of the positioning columns 14 is eight, positioning holes are formed in the, through reference column 14 and the left locating hole of shell 1, make the user aim at reference column 14 and locating hole and can guarantee the rigidity when installing sealed lid 2, the location is accurate, convenient to use person installs, can give stopper 10 a power left all the time through stabilizing spring 9, sealing ring 11 can be transmitted to this power, make sealing ring 11 receive power left all the time, thereby make sealing ring 11 hug closely the inside of seal groove all the time, can effectively plug up the clearance between bearing cap 2 and the shell 1 through sealing ring 11, avoid the dust to pass through the inside that the clearance between bearing cap 2 and the shell 1 got into the motor, thereby effectively increasing this bearing cap 2 leakproofness, the motor has been protected.

In conclusion, the sealing structure for the bearing cap of the motor can ensure that the position is fixed by aligning the positioning column 14 and the positioning hole on the left side of the shell 1 through the positioning column 14 and the positioning hole when a user installs the sealing cap 2, the positioning is accurate, the user can install the sealing structure conveniently, a left force is always given to the limiting block 10 through the stabilizing spring 9, the force is transmitted to the sealing ring 11, the sealing ring 11 is always stressed leftwards, the sealing ring 11 is always tightly attached to the inside of the sealing groove, the gap between the bearing cap 2 and the shell 1 can be effectively blocked through the sealing ring 11, dust is prevented from entering the inside of the motor through the gap between the bearing cap 2 and the shell 1, the sealing performance of the bearing cap 2 is effectively improved, the motor is protected, the problems that the sealing effect is poor when the existing bearing cap 2 is used, and the gap easily exists at the joint of the bearing cap 2 and, the entry of dust through the gap may cause a problem of adverse effects on the motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A motor bearing cap seal structure, includes shell (1), its characterized in that: the bearing cover is characterized in that a bearing cover (2) is movably mounted on the left side of the shell (1), an outer ring (3) extending to the inside of the shell (1) is fixedly mounted on the right side of the bearing cover (2), an inner ring (4) located inside the outer ring (3) is fixedly mounted on the right side of the bearing cover (2), the outer ring (3) and the inner ring (4) are fixedly connected through a reinforcing rib (5), a sealing bearing (6) is movably mounted inside the inner ring (4), a stabilizing ring (7) located on the left side of the sealing bearing (6) is movably mounted inside the bearing cover (2), a fixing block (8) located outside the outer ring (3) is fixedly mounted inside the shell (1), a stabilizing spring (9) is movably mounted inside the fixing block (8), a limiting block (10) is movably mounted on the left side of the stabilizing spring (9), a sealing ring (11) extending to the inside of the bearing cover (2) is fixedly mounted on the left side of the limiting block, the left side threaded connection of bearing cap (2) has set screw (12) that extend to shell (1) inside, set screw (12) outside has cup jointed and is located inside gasket (13) of bearing cap (2), the right side fixed mounting of bearing cap (2) has reference column (14) that extend to shell (1) inside.

2. A motor bearing cap seal structure according to claim 1, wherein: the number of the reinforcing ribs (5) is six, and the reinforcing ribs (5) are uniformly distributed in an annular shape around the inner ring (4).

3. A motor bearing cap seal structure according to claim 1, wherein: the stabilizing ring (7) is a rubber ring, the thickness of the stabilizing ring (7) is not less than three millimeters, the number of the fixing screws (12) is six, and the fixing screws (12) are uniformly distributed on the left side of the bearing cover (2) in an annular mode.

4. A motor bearing cap seal structure according to claim 1, wherein: spring guide columns are fixedly mounted on the right side of the limiting block (10) and inside the fixing block (8), and extend to the inside of the stabilizing spring (9).

5. A motor bearing cap seal structure according to claim 1, wherein: the right side of bearing cap (2) has been seted up the seal groove, sealing ring (11) and seal groove looks adaptation, and sealing ring (11) are the rubber ring.

6. A motor bearing cap seal structure according to claim 1, wherein: the number of the positioning columns (14) is eight, positioning holes are formed in the left side of the shell (1), and the positioning holes are matched with the positioning columns (14).