CN110957841A

CN110957841A - Permanent magnet motor with motor cover easy to replace

Info

Publication number: CN110957841A
Application number: CN201811121529.3A
Authority: CN
Inventors: 李劲; 李松; 刘俊
Original assignee: Yangzhou Power King Motor Manufacturing Co ltd
Current assignee: Yangzhou Power King Motor Manufacturing Co ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2020-04-03

Abstract

The invention relates to the technical field of permanent magnet motors and discloses a permanent magnet motor with a motor cover easy to replace, which comprises a motor main body, wherein an inner clamping block is fixedly installed on the right side of the motor main body, an outer clamping ring is sleeved outside the right side of the inner clamping block, a motor outer cover is fixedly installed on the right side of the outer clamping ring, a heat dissipation hole is formed in the motor outer cover, an outer protective shell is sleeved outside the outer clamping ring, a fixed column is fixedly installed on the inner wall of the outer protective shell, a rotating ring is fixedly installed on the front surface of the fixed column, and a top clamping ring located inside the outer protective shell is fixedly installed at the top of the. This permanent-magnet machine who easily changes motor cover, through the screw thread opposite direction who sets up two screw thread posts, can adjust the interval between two screw thread posts when rotating outer nut to effectual motor cover dismantlement and the difficulty of having solved present permanent-magnet machine are difficult to repair after the inside problem that appears, problem consuming time and wasting force.

Description

Permanent magnet motor with motor cover easy to replace

Technical Field

The invention relates to the technical field of permanent magnet motors, in particular to a permanent magnet motor with a motor cover easy to replace.

Background

The DC motor has small volume, light weight, simple structure and high efficiency, and most of miniature DC motors are permanent magnet, and the starting and running characteristics of permanent magnet DC motor are basically the same as those of separately excited and shunt excited DC motors.

Because the coercive force of alnico is small and a longer effective length of the permanent magnet is needed to generate enough magnetomotive force, a cylindrical structure is often adopted, in order to avoid the influence of an armature reaction magnetic field on the permanent magnet, a soft iron pole shoe can be added in the permanent magnet motor, when the motor is loaded, the structure can ensure that the armature reaction magnetic flux generated by armature current only passes through the pole shoe and does not enter the permanent magnet, the constancy of working magnetic flux is ensured, the utilization rate of the permanent magnet is improved, and the commutation is facilitated.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the permanent magnet motor with the motor cover easy to replace, which has the advantage of quick disassembly, and solves the problems that the motor cover of the existing permanent magnet motor is difficult to disassemble, is difficult to repair when the inside has problems, and consumes time and labor.

(II) technical scheme

In order to achieve the purpose of quick disassembly, the invention provides the following technical scheme: a permanent magnet motor with a motor cover easy to replace comprises a motor main body, wherein an inner clamping block is fixedly installed on the right side of the motor main body, an outer clamping ring is sleeved outside the right side of the inner clamping block, a motor outer cover is fixedly installed on the right side of the outer clamping ring, heat dissipation holes are formed in the motor outer cover, an outer protective shell is sleeved outside the outer clamping ring, a fixed column is fixedly installed on the inner wall of the outer protective shell, a rotating ring is fixedly installed on the front side of the fixed column, a top clamping ring located inside the outer protective shell is fixedly installed at the top of the rotating ring, a bottom clamping ring is fixedly installed at the bottom of the rotating ring and located inside the outer protective shell, a contraction plate is fixedly installed at one end, away from the rotating ring, of the top clamping ring and the bottom, the equal fixed mounting in one side that two shrink plates are relative has the screw thread post, two the outside threaded connection in one side that the screw thread post is relative has outer nut, the equal fixed mounting in top and the bottom of fixture block has the joint spring that runs through outer snap ring, the outside fixed mounting who just is located the joint spring on the interior fixture block has outer retaining ring, the one end fixed mounting that the fixture block was kept away from to the joint spring has the joint roof, fixed mounting has the interior retaining ring that is located the joint spring outside and with outer retaining ring joint on the joint roof.

Preferably, the limiting rings clamped with each other are fixedly mounted on the outer portion of the inner protective ring and the inner portion of the outer protective ring.

Preferably, the outer snap ring is provided with a clamping hole corresponding to the clamping spring, and the inner part of the clamping hole is fixedly provided with the wear-resistant sheet.

Preferably, the thread direction of the top thread column is opposite to that of the bottom thread column, and the inner part of the outer nut is provided with thread grooves corresponding to the two thread columns respectively.

Preferably, the top snap ring and the bottom snap ring are movably connected with the outer protecting shell through a rotating ring and a fixing column.

(III) advantageous effects

Compared with the prior art, the invention provides the permanent magnet motor with the motor cover easy to replace, which has the following beneficial effects:

1. this permanent-magnet machine who easily changes motor lid has the louvre through setting up the motor dustcoat, can dispel the heat to inside through the louvre, avoids the high temperature to lead to scalding when dismantling, through having top snap ring and bottom snap ring on setting up the swivel becket, can make classic's accident snap ring and bottom snap ring adjust through the swivel becket, has reached the effect of quick dismantlement.

2. This permanent-magnet machine who easily changes motor cover has outer retaining ring and interior retaining ring through the outside that sets up the joint spring, can protect the joint spring through outer retaining ring and interior retaining ring, and screw thread opposite direction through setting up two screw thread posts can adjust the interval between two screw thread posts when rotating outer nut to effectual motor cover dismantlement and the difficulty of having solved present permanent-magnet machine are difficult to repair after the inside problem that appears, the problem of consuming time and wasting force.

Drawings

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

FIG. 2 is a schematic view of a connection structure of an outer shield according to the present invention;

FIG. 3 is an enlarged view of the structure A in FIG. 1 according to the present invention.

In the figure: the motor comprises a motor body 1, an inner clamping block 2, an outer clamping ring 3, an outer protecting shell 4, a motor outer cover 5, heat dissipation holes 6, fixing columns 7, rotating rings 8, a top clamping ring 9, a bottom clamping ring 10, threaded columns 11, outer nuts 12, a spring fixing seat 13, an adjusting spring 14, a contraction plate 15, a clamping top plate 16, an inner protecting ring 17, a clamping spring 18 and an outer protecting ring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a permanent magnet motor with a motor cover easy to replace includes a motor body 1, an inner clamping block 2 is fixedly installed on the right side of the motor body 1, an outer clamping ring 3 is sleeved on the outside of the right side of the inner clamping block 2, a motor housing 5 is fixedly installed on the right side of the outer clamping ring 3, a heat dissipation hole 6 is formed in the motor housing 5, an outer casing 4 is sleeved on the outside of the outer clamping ring 3, a fixed column 7 is fixedly installed on the inner wall of the outer casing 4, a rotating ring 8 is fixedly installed on the front side of the fixed column 7, a top clamping ring 9 positioned inside the outer casing 4 is fixedly installed on the top of the rotating ring 8, a bottom clamping ring 10 is fixedly installed at the bottom of the rotating ring 8 and positioned inside the outer casing 4, the top clamping ring 9 and the bottom clamping ring 10 are both movably connected with the outer casing 4 through the rotating ring 8 and the fixed column 7, a, a spring fixing seat 13 is fixedly arranged on one side opposite to the outer protective shell 4, an adjusting spring 14 fixed with a contraction plate 15 is arranged on the spring fixing seat 13, threaded columns 11 are fixedly arranged on one sides opposite to the two contraction plates 15, outer nuts 12 are connected with the outer threads of one sides opposite to the two threaded columns 11, the thread directions of the threaded columns 11 at the top and the threaded columns 11 at the bottom are opposite, thread grooves corresponding to the two threaded columns 11 are respectively arranged in the outer nuts 12, clamping springs 18 penetrating through the outer clamping ring 3 are fixedly arranged at the top and the bottom of the clamping block 2, clamping holes corresponding to the clamping springs 18 are arranged on the outer clamping ring 3, wear-resistant sheets are fixedly arranged in the clamping holes, an outer protective ring 19 is fixedly arranged on the inner clamping block 2 and positioned outside the clamping springs 18, and limiting rings clamped with each other are fixedly arranged outside the inner protective ring 17 and inside the outer protective ring 19, the end of the clamping spring 18 far away from the inner clamping block 2 is fixedly provided with a clamping top plate 16, the clamping top plate 16 is fixedly provided with an inner protective ring 17 which is positioned outside the clamping spring 18 and clamped with the outer protective ring 19, the permanent magnet motor with the motor cover easy to replace is provided with a heat dissipation hole 6 on a motor outer cover 5, the inside can be dissipated through the heat dissipation hole 6, scalding caused by overhigh temperature during disassembly is avoided, the permanent magnet motor with the motor cover easy to replace is provided with a top clamping ring 9 and a bottom clamping ring 10 on a rotating ring 8, the cause clamping ring 9 and the bottom clamping ring 10 can be adjusted through the rotating ring 8, the effect of quick disassembly is achieved, the permanent magnet motor with the motor cover easy to replace is provided with the outer protective ring 19 and the inner protective ring 17 on the outer part of the clamping spring 18, the clamping spring 18 can be protected through the outer protective ring 19 and the inner protective ring 17, and the directions of threads, the distance between the two threaded columns 11 can be adjusted when the outer nut 12 is rotated, so that the problems that the motor cover of the existing permanent magnet motor is difficult to disassemble, difficult to repair when problems occur inside, time-consuming and labor-consuming are effectively solved.

To sum up, this permanent-magnet machine who easily changes motor lid has louvre 6 through setting up on the motor dustcoat 5, can dispel the heat to inside through louvre 6, avoids the high temperature to lead to scalding when dismantling, through having top snap ring 9 and bottom snap ring 10 on setting up swivel ring 8, can make classic events snap ring 9 and bottom snap ring 10 adjust through swivel ring 8, has reached the effect of quick dismantlement.

And, this permanent-magnet machine of easily changing motor cover has outer retaining ring 19 and interior retaining ring 17 through the outside that sets up joint spring 18, can protect joint spring 18 through outer retaining ring 19 and interior retaining ring 17, and the screw thread opposite direction through setting up two screw thread posts 11 can adjust the interval between two screw thread posts 11 when rotating outer nut 12 to effectual motor cover dismantlement and the difficulty of having solved present permanent-magnet machine, difficult repair after the problem appears in inside, problem consuming time and power.

It is to be noted that 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. The utility model provides a permanent-magnet machine of easily changing motor lid, includes motor main body (1), its characterized in that: the motor is characterized in that an inner clamping block (2) is fixedly mounted on the right side of a motor main body (1), an outer clamping ring (3) is sleeved outside the right side of the inner clamping block (2), a motor outer cover (5) is fixedly mounted on the right side of the outer clamping ring (3), a heat dissipation hole (6) is formed in the motor outer cover (5), an outer protective shell (4) is sleeved outside the outer clamping ring (3), a fixing column (7) is fixedly mounted on the inner wall of the outer protective shell (4), a rotating ring (8) is fixedly mounted on the front side of the fixing column (7), a top clamping ring (9) located inside the outer protective shell (4) is fixedly mounted at the top of the rotating ring (8), a bottom clamping ring (10) is fixedly mounted at the bottom of the rotating ring (8) and located inside the outer protective shell (4), and a contraction plate (15) is fixedly mounted at one end, far away from the rotating ring (8), a spring fixing seat (13) is fixedly arranged on one side of the outer protective shell (4) opposite to the spring fixing seat, an adjusting spring (14) fixed with the contraction plates (15) is arranged on the spring fixing seat (13), threaded columns (11) are fixedly arranged on one sides of the two contraction plates (15) opposite to each other, external nuts (12) are connected with the external threads of one sides of the two threaded columns (11) opposite to each other, the top and the bottom of the clamping block (2) are both fixedly provided with clamping springs (18) which penetrate through the outer clamping ring (3), an outer protective ring (19) is fixedly arranged on the inner clamping block (2) and positioned outside the clamping spring (18), one end of the clamping spring (18) far away from the inner clamping block (2) is fixedly provided with a clamping top plate (16), an inner protective ring (17) which is positioned outside the clamping spring (18) and clamped with the outer protective ring (19) is fixedly arranged on the clamping top plate (16).

2. The permanent magnet motor with the motor cover easy to replace according to claim 1, wherein: the outer part of the inner guard ring (17) and the inner part of the outer guard ring (19) are fixedly provided with limiting rings which are clamped with each other.

3. The permanent magnet motor with the motor cover easy to replace according to claim 1, wherein: the outer snap ring (3) is provided with a clamping hole corresponding to the clamping spring (18), and the inside of the clamping hole is fixedly provided with a wear-resistant sheet.

4. The permanent magnet motor with the motor cover easy to replace according to claim 1, wherein: the thread direction of the thread column (11) at the top is opposite to that of the thread column (11) at the bottom, and thread grooves corresponding to the two thread columns (11) are formed in the outer nut (12).

5. The permanent magnet motor with the motor cover easy to replace according to claim 1, wherein: and the top clamping ring (9) and the bottom clamping ring (10) are movably connected with the outer protecting shell (4) through a rotating ring (8) and a fixing column (7).