Energy-saving permanent magnet motor convenient to overhaul

Abstract

The energy-saving permanent magnet motor convenient to overhaul comprises a shell, arc-shaped inserting strips are fixedly connected to the two sides of the shell, four sets of limiting blocks are fixedly connected to the outer sides of the two sides of the shell, limiting inserting grooves are formed in the limiting blocks, and the arc-shaped inserting strips are fixedly connected to the outer sides of the arc-shaped inserting strips. A movable groove is formed in the position, located in the limiting block, above the limiting inserting groove, the top of the movable groove is fixedly connected with a telescopic rod, the outer side of the telescopic rod is sleeved with a spring strip, the bottom of the telescopic rod is fixedly connected with an inverted-trapezoid-shaped inserting block, and a front end cover is connected to one side of the shell in a clamped mode. A first limiting insertion strip is fixedly connected to the position, corresponding to the limiting insertion groove, of the front end cover, and an inverted trapezoidal insertion groove is formed in the position, corresponding to the inverted trapezoidal insertion block, of the interior of the first limiting insertion strip. And the working efficiency of overhaul and maintenance is improved. The overall practicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of energy-saving permanent magnet motors, in particular to an energy-saving permanent magnet motor which is easy to repair. Background Art

[0002] Energy-saving permanent magnet motors use permanent magnets to provide excitation, which makes the motor structure simpler, reduces processing and assembly costs, and eliminates slip rings and brushes that are prone to problems, thereby improving the reliability of motor operation. Since no excitation current is required and there is no excitation loss, the efficiency and power density of the motor are improved.

[0003] The existing energy-saving permanent magnet motors generally have their end covers and housings connected only by threads. The motors need to be debugged during disassembly and maintenance. During maintenance and debugging, the end covers and housing covers must be temporarily fixed. If problems arise during subsequent inspections, they need to be disassembled and assembled repeatedly, which brings trouble to the maintenance work of the staff and reduces the efficiency of maintenance and care.

[0004] Therefore, it is particularly important to design an energy-saving permanent magnet motor that is easy to maintain to solve the above-mentioned defects. Utility Model Content

[0005] 1) Technical problems to be solved by the utility model

[0006] In view of the deficiencies in the prior art, the utility model designs an energy-saving permanent magnet motor that is easy to maintain. The energy-saving permanent magnet motor aims to solve the technical problem that the permanent magnet motor housing is not easy to disassemble and maintain under the prior art, which affects the maintenance efficiency.

[0007] 2) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] The cam is provided with a plurality of movable blocks, each of which has a plurality of movable blocks disposed on the outer sides of the plurality of movable blocks, and a plurality of movable blocks are provided on the inner sides of the plurality of movable blocks.

[0010] As a preferred solution of the utility model, a side of the limiting insert away from the front end cover is designed as an inclined angle structure.

[0011] As a preferred solution of the utility model, an arc-shaped slot one is provided at a position of the front end cover corresponding to the arc-shaped plug-in strip, and the front end cover is plug-connected with the arc-shaped plug-in strip via the arc-shaped slot one.

[0012] As a preferred solution of the utility model, a rotating shaft through hole is provided on a side of the front end cover away from the housing.

[0013] As a preferred solution of the utility model, the second limiting strip has the same structure as the first limiting strip, the rear end cover is clamped with the limiting slot through the second limiting strip, an arc-shaped slot second is provided at the position of the rear end cover corresponding to the arc-shaped plug-in strip, and the rear end cover is plug-connected with the arc-shaped plug-in strip through the second arc-shaped slot.

[0014] As a preferred solution of the utility model, a heat dissipation fan is installed inside the rear end cover, and a protective net is installed on a side of the rear end cover away from the shell.

[0015] As a preferred solution of the utility model, a pair of mounting holes are opened on the top of the mounting frame, a reinforcing rib is fixedly connected to the connection between the mounting frame and the shell, and an anti-slip pad is fixedly connected to the bottom of the mounting frame.

[0016] 3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] First, the limiting insert strip 1 is inserted into the inside of the limiting block through the limiting slot, and one side of the limiting insert strip 1 with an inclined angle contacts the inverted trapezoidal insert strip. As the limiting insert strip 1 is pushed into the inside of the limiting block, the inverted trapezoidal insert strip is forced to drive the telescopic rod to contract, so that the inverted trapezoidal insert strip moves upward, and the spring bar drives the inverted trapezoidal insert strip to perform a reset movement through the telescopic rod, so that the inverted trapezoidal insert strip is clamped into the inverted trapezoidal slot, and the limiting insert strip 1 is limited and fixed, so that the end cover is installed and fixed on both sides of the shell, which improves the convenience of installation and disassembly, and is convenient for later inspection and maintenance;

[0019] Secondly, the reinforcing ribs enhance the connection stability and support strength between the mounting frame and the housing, and the anti-slip pads enhance the installation stability of the mounting frame and the equipment;

[0020] Finally, the protective net prevents solid debris from entering the permanent magnet motor and causing damage to the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the energy-saving permanent magnet motor;

[0022] Figure 2Schematic diagram of the partial structure of energy-saving permanent magnet motor Figure 1 ;

[0023] Figure 3 Schematic diagram of the partial structure of energy-saving permanent magnet motor Figure 2 ;

[0024] Figure 4 It is a schematic diagram of the internal structure of the front end cover;

[0025] Figure 5 It is a schematic diagram of the internal structure of the rear end cover;

[0026] Figure 6 It is a plan view of the internal structure of the limit block.

[0027] In the figure: 1. Shell; 101. Arc-shaped plug strip; 2. Limit block; 201. Limit slot; 202. Movable slot; 203. Telescopic rod; 2031. Spring bar; 204. Inverted trapezoidal plug block; 3. Front cover; 301. Limit strip 1; 3011. Inverted trapezoidal slot; 302. Arc-shaped slot 1; 303. Shaft through hole; 4. Rear cover; 401. Limit strip 2; 402. Arc-shaped slot 2; 403. Cooling fan; 404. Protective net; 5. Permanent magnet motor equipment; 6. Mounting frame; 601. Mounting hole; 602. Reinforcing rib; 603. Anti-skid pad. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0029] The embodiment of the utility model provides an energy-saving permanent magnet motor that is easy to repair, and the energy-saving permanent magnet motor is intended to solve the technical problem that the permanent magnet motor housing is not easy to disassemble and repair under the prior art, which affects the maintenance efficiency;

[0030] See also Figure 1-Figure 6 , the utility model provides a technical solution:

[0031] An energy-saving permanent magnet motor that is easy to repair includes a shell 1, both sides of the shell 1 are fixedly connected with arc-shaped plug-in strips 101, the shell 1 uses the arc-shaped plug-in strips 101 to plug with the end shield for rapid positioning, the outer sides of the shell 1 are fixedly connected with four groups of limit blocks 2, the limit blocks 2 are provided with limit slots 201 inside, and a movable slot 202 is provided above the limit slot 201 and inside the limit block 2, and a telescopic rod 203 is fixedly connected to the top of the movable slot 202. The inverted trapezoidal plug 204 is subjected to force to drive the telescopic rod 203 to contract, so that the inverted trapezoidal plug 204 moves upward, and a spring strip 2031 is sleeved on the outer side of the telescopic rod 203. The spring strip 2031 drives the inverted trapezoidal plug 204 to perform a reset movement through the telescopic rod 203, so that the inverted trapezoidal plug 204 is clamped with the limiting plug strip 1 301 and the limiting plug strip 2 401, and the front end cover 3 and the rear end cover 4 are installed and fixed. The bottom of the telescopic rod 203 is fixedly connected with the inverted trapezoidal plug 204.

[0032] Among them, see Figure 1 . Figure 2 , Figure 4 and Figure 6 , a front end cover 3 is clamped on one side of the shell 1, and the front end cover 3 is fixedly connected to the limiting insertion strip 1 301 at the position corresponding to the limiting slot 201. The side of the limiting insertion strip 1 301 away from the front end cover 3 is designed with an inclined angle structure, which is convenient for pushing the inverted trapezoidal plug block 204 to move upward, so that the limiting insertion strip 1 301 is completely embedded in the limiting slot 201, and an inverted trapezoidal slot 3011 is provided inside the limiting insertion strip 1 301 and at a position corresponding to the inverted trapezoidal plug block 204. The inverted trapezoidal plug block 204 is clamped into the inverted trapezoidal slot 3011 to limit and fix the limiting insertion strip 1 301, and an arcuate slot 1 302 is provided at the position corresponding to the front end cover 3 and the arcuate plug strip 101, and the front end cover 3 is plugged and connected with the arcuate plug strip 101 through the arcuate slot 1 302, so that the front end cover 3 is quickly docked with the shell 1 for installation and fixation, and a rotating shaft through hole 303 is provided on the side of the front end cover 3 away from the shell 1.

[0033] For further information, see Figure 3 and Figure 5A rear end cover 4 is fixedly connected to a side of the shell 1 away from the front end cover 3, and a limiting insertion strip 2 401 is fixedly connected to the position of the rear end cover 4 corresponding to the limiting slot 201. The limiting insertion strip 2 401 has the same structure as the limiting insertion strip 1 301. The rear end cover 4 is snap-connected with the limiting slot 201 through the limiting insertion strip 201, so that the rear end cover 4 is installed on one side of the shell 1, and an arc-shaped slot 2 402 is provided at a position of the rear end cover 4 corresponding to the arc-shaped plug-in strip 101. The rear end cover 4 is plug-connected with the arc-shaped plug-in strip 101 through the arc-shaped slot 202, so that the rear end cover 4 can be quickly docked with the shell 1 for installation and fixation, and a cooling fan 403 is installed inside the rear end cover 4. The cooling fan 403 assists the permanent magnet motor equipment 5 in heat dissipation, and a protective net 404 is installed on the side of the rear end cover 4 away from the shell 1. The protective net 404 prevents solid debris from entering the permanent magnet motor and causing damage to the equipment.

[0034] For further information, see Figure 1 , Figure 2 and Figure 3 A permanent magnet motor device 5 is installed inside the shell 1, and mounting brackets 6 are fixedly connected to both sides of the bottom of the shell 1. A pair of mounting holes 601 are opened on the top of the mounting bracket 6, and the mounting bracket 6 is installed and fixed through the mounting holes 601. A reinforcing rib 602 is fixedly connected to the connection between the mounting bracket 6 and the shell 1. The reinforcing rib 602 enhances the connection stability and supporting strength between the mounting bracket 6 and the shell 1. An anti-skid pad 603 is fixedly connected to the bottom of the mounting bracket 6. The anti-skid pad 603 enhances the installation stability of the mounting bracket 6 and the equipment.

[0035] In addition, it should be supplemented according to the content of the above embodiment that the permanent magnet motor device 5 is a prior art, and its internal working principle and operation process will not be described in detail here.

[0036] The working process of the utility model is as follows: first, the permanent magnet motor device 5 is installed inside the housing 1, and the front end cover 3 is inserted into the inside of the limit block 2 through the limit slot 201 by using the limit insert strip 301, and the limit insert strip 301 is provided with a side with an inclined angle in contact with the inverted trapezoidal insert block 204. As the limit insert strip 301 is pushed into the inside of the limit block 2, the inverted trapezoidal insert block 204 is forced to drive the telescopic rod 203 to contract, so that the inverted trapezoidal insert block 204 moves upward, and the spring bar 2031 drives the inverted trapezoidal insert block 204 to reset through the telescopic rod 203, so that the inverted trapezoidal insert block 204 is snapped into the inverted trapezoidal slot 3011, and the limit insert strip 301 is pressed. The front cover 3 is fixed in position so that it is installed on one side of the housing 1, which is convenient for disassembly of the front cover 3 for later maintenance and repair. The installation process of the rear cover 4 is similar. The front cover 3 is plugged and connected with the arc plug strip 101 through the arc slot 1 302, which is convenient for the front cover 3 to quickly dock with the housing 1 for installation and fixation. The rear cover 4 is plugged and connected with the arc plug strip 101 through the arc slot 2 402, which is convenient for the rear cover 4 to quickly dock with the housing 1 for installation and fixation. The mounting frame 6 is installed and fixed through the mounting hole 601. The cooling fan 403 assists the permanent magnet motor equipment 5 in heat dissipation. The protective net 404 prevents solid debris from entering the permanent magnet motor and causing damage to the equipment. The entire operation process is simple and convenient. Compared with the existing energy-saving permanent magnet motor, the utility model can improve the convenience of disassembly and assembly of the housing through design, and improve the work efficiency of maintenance and repair. Enhance the overall practicality.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving permanent magnet motor that is easy to maintain, comprising a housing (1), characterized in that: Both sides of the shell (1) are fixedly connected with arc-shaped plug-in strips (101), and the outer sides of both sides of the shell (1) are fixedly connected with four groups of limit blocks (2), the limit blocks (2) are provided with limit slots (201) inside, and a movable slot (202) is provided above the limit slots (201) and inside the limit blocks (2), and the top of the movable slot (202) is fixedly connected with a telescopic rod (203), the outer side of the telescopic rod (203) is sleeved with a spring strip (2031), and the bottom of the telescopic rod (203) is fixedly connected with an inverted trapezoidal plug-in block (204), and one side of the shell (1) is clamped with a front An end cover (3), wherein a position of the front end cover (3) corresponding to the limit slot (201) is fixedly connected to a limit strip (301), an inverted trapezoidal slot (3011) is provided inside the limit strip (301) and at a position corresponding to the inverted trapezoidal slot block (204), a rear end cover (4) is fixedly connected to a side of the housing (1) away from the front end cover (3), a position of the rear end cover (4) corresponding to the limit slot (201) is fixedly connected to a limit strip (401), a permanent magnet motor device (5) is installed inside the housing (1), and mounting frames (6) are fixedly connected to both sides of the bottom of the housing (1).

2. The energy-saving permanent magnet motor that is easy to maintain according to claim 1 is characterized in that: The side of the limiting insert strip 1 (301) away from the front end cover (3) is designed as an inclined angle structure.

3. The energy-saving permanent magnet motor that is easy to maintain according to claim 1 is characterized in that: An arc-shaped slot one (302) is provided at a position of the front end cover (3) corresponding to the arc-shaped plug-in strip (101), and the front end cover (3) is plug-connected to the arc-shaped plug-in strip (101) via the arc-shaped slot one (302).

4. The energy-saving permanent magnet motor that is easy to maintain according to claim 1 is characterized in that: A rotating shaft through hole (303) is provided on a side of the front end cover (3) away from the housing (1).

5. The energy-saving permanent magnet motor that is easy to maintain according to claim 1 is characterized in that: The second limiting insert strip (401) has the same structure as the first limiting insert strip (301); the rear end cover (4) is snap-connected with the limiting slot (201) via the second limiting insert strip (401); a second arc-shaped slot (402) is provided at a position of the rear end cover (4) corresponding to the arc-shaped insert strip (101); the rear end cover (4) is plug-connected with the arc-shaped insert strip (101) via the second arc-shaped slot (402).

6. The energy-saving permanent magnet motor that is easy to maintain according to claim 1 is characterized in that: A heat dissipation fan (403) is installed inside the rear end cover (4), and a protective net (404) is installed on a side of the rear end cover (4) away from the housing (1).

7. The energy-saving permanent magnet motor that is easy to maintain according to claim 1 is characterized in that: A pair of mounting holes (601) are provided at the top of the mounting frame (6), a reinforcing rib (602) is fixedly connected to the connection between the mounting frame (6) and the housing (1), and an anti-slip pad (603) is fixedly connected to the bottom of the mounting frame (6).

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