CN114189097A

CN114189097A - Brushless DC motor

Info

Publication number: CN114189097A
Application number: CN202111477453.XA
Authority: CN
Inventors: 张继淼
Original assignee: Heshan Changhong Motor Co ltd
Current assignee: Heshan Changhong Motor Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-03-15

Abstract

The invention relates to the technical field of motors and discloses a brushless direct current motor which comprises a box body, wherein damping springs are arranged at four corners of the bottom inside the box body, a placing plate is fixedly connected to the tops of the damping springs, a motor body is placed above the placing plate, a first handle is fixedly connected to the middle of the upper surface of the motor body, fixing mechanisms are arranged on two sides of the motor body, each fixing mechanism comprises two connecting pipes, and the number of the connecting pipes is two. This brushless DC motor, through the threaded rod in the fixed establishment, the threaded rod carries out the screw thread in the inside of connecting pipe and rotates, and the other end of screwed pipe is placed in sheathed tube inside to extrude it, fix the motor of inside, thereby extrude the arc-shaped plate, extension spring carries out certain tensile regulation to the arc-shaped plate, makes its model that can adjust according to different motors, thereby can reach the effect of guaranteeing the motor safety in work.

Description

Brushless DC motor

Technical Field

The invention relates to the technical field of motors, in particular to a brushless direct current motor.

Background

The brushless DC motor is a synchronous motor composed of a motor main body and a driver, and is also a typical electromechanical integrated product, has the advantages of the traditional DC motor, simultaneously cancels a carbon brush and a slip ring structure, and can run at low speed and high power. The device has the advantages of small volume, light weight, good stability and high efficiency, so the device is widely applied to automobiles, automation, aerospace and the like.

The motor utilizes the circular telegram coil to produce rotating magnetic field and forms rotation torque, makes rotor and pivot rotate, but the motor is generally all exposed externally at the in-process of work, because the reason of self power, can produce vibrations, takes place to rock, collides each other with external environment and causes the damage.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a brushless direct current motor which has the advantages of ensuring the safety of the motor in working and the like, and solves the problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a brushless DC motor comprises a box body, wherein four corners of the bottom inside the box body are respectively provided with a damping spring, the top of the damping spring is fixedly connected with a placing plate, a motor body is placed above the placing plate, a first handle is fixedly connected to the middle part of the upper surface of the motor body, fixing mechanisms are arranged on two sides of the motor body, the fixing mechanism comprises two connecting pipes, one side of each connecting pipe is fixedly connected with the middle part of the front surface and the middle part of the back surface of the box body respectively, the inner thread of the connecting pipe is connected with a threaded rod, one end of the threaded rod is fixedly connected with a rotating handle, a sleeve is arranged at one side of the other end of the threaded rod, an arc-shaped plate is fixedly connected with the inner side of the sleeve, the left side and the right side of the middle part of one side of the arc plate are fixedly connected with extension springs, and a sealing mechanism is arranged above the box body.

Preferably, the middle part of the left side of the box body is provided with a through hole, the right side of the box body is fixedly connected with a ventilation plate, and the middle part of one side of the ventilation plate is provided with a connecting groove.

The through-hole runs through in the left side middle part of box, and the external personnel of being convenient for link to each other motor body with the external world, and the spread groove runs through in the gas permeable plate, and the inside motor body of box of being convenient for of gas permeable plate gives off of heat when the operation.

Preferably, the sealing mechanism comprises a roller, one side of the roller is arranged on the right side of the upper surface of the box body, and a cover plate is fixedly connected to one side of the roller.

The cover plate can rotate above the box body through the rolling shaft, and the upper surface of the box body is covered.

Preferably, the middle part of the right side of the cover plate is fixedly connected with a second handle, and the middle part of the top of the cover plate is provided with a fixing buckle.

The second handle is convenient for operating personnel to take the cover plate, and the fixing buckle is used for fixing the cover plate.

Preferably, the fixed block is fixedly connected to the upper portion of the middle portion of the left side of the box body, and the protective plate is arranged in the middle of the left side of the cover plate.

The fixing buckle and the fixing block are mutually buckled, and when the cover plate is attached to the upper surface of the box body, the fixing buckle and the fixing block are buckled together, so that the cover plate can be fixed.

Preferably, one end of the threaded rod is placed inside the sleeve.

Threaded rod gomphosis is in sheathed tube inside, and be sliding motion between the two to thread motion, the threaded rod extrudees the sleeve pipe, extrudees the arc board then, avoids the arc board to be spacing.

Compared with the prior art, the invention provides a brushless direct current motor which has the following beneficial effects:

1. this brushless DC motor, through the threaded rod in the fixed establishment, the threaded rod carries out the screw thread in the inside of connecting pipe and rotates, and the other end of screwed pipe is placed in sheathed tube inside to extrude it, fix the motor of inside, thereby extrude the arc-shaped plate, extension spring carries out certain tensile regulation to the arc-shaped plate, makes its model that can adjust according to different motors, thereby can reach the effect of guaranteeing the motor safety in work.

2. This brushless DC motor, through the apron in the sealing mechanism, the apron carries out rotary motion through the roller bearing in the top of box, gets up the top of box sealedly, and fixed knot and the mutual lock between the fixed block fix the apron in the top of box, and the material of protection dish is the sponge material, when covering the apron, can effectually protect the inside motor of box to can reach and carry out quick sealed effect to the box.

Drawings

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

FIG. 2 is a schematic structural front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a schematic side view of the fixing mechanism of the present invention.

Wherein: 1. a box body; 101. a damping spring; 102. placing the plate; 103. a motor body; 104. a first handle; 105. a through hole; 106. a gas permeable plate; 107. connecting grooves; 2. a fixing mechanism; 201. a connecting pipe; 202. a threaded rod; 203. turning a handle; 204. a sleeve; 205. an arc-shaped plate; 206. an extension spring; 3. a sealing mechanism; 301. a roller; 302. a cover plate; 303. a second handle; 304. a fixing buckle; 305. a fixed block; 306. and (5) a protective disc.

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. 1-5, a brushless dc motor comprises a box body 1, wherein damping springs 101 are arranged at four corners of the bottom inside the box body 1, a placing plate 102 is fixedly connected to the tops of the damping springs 101, the placing plate 102 can elastically move up and down through the damping springs 101 at the bottom, a certain damping effect can be achieved by the motor body 103 through the damping springs 101 at the bottom during operation, the motor body 103 is placed above the placing plate 102, a first handle 104 is fixedly connected to the middle of the upper surface of the motor body 103, the first handle 104 facilitates an operator to take the motor body 103, and fixing mechanisms 2 are arranged on two sides of the motor body 103;

the fixing mechanism 2 comprises connecting pipes 201, the number of the connecting pipes 201 is two, one side of each of the two connecting pipes 201 is fixedly connected to the middle of the front side and the middle of the back side of the box body 1 respectively, a threaded rod 202 is connected to the inner threads of the connecting pipes 201, a rotating handle 203 is fixedly connected to one end of the threaded rod 202, a sleeve 204 is arranged at one side of the other end of the threaded rod 202, an arc-shaped plate 205 is fixedly connected to the inner side of the sleeve 204, extension springs 206 are fixedly connected to the left side and the right side of the middle of one side of the arc-shaped plate 205, the connecting pipes 201 penetrate through the middle of the front side and the middle of the back side of the box body 1, the threaded rod 202 rotates in the connecting pipes 201 in a threaded manner, the inner arc-shaped plate 205 is driven to move in the box body through the rotation in a threaded manner, the motor body 103 is clamped and fixed, the arc-shaped plate 205 can perform elastic extension movement through the extension spring pipes 206, and can be fixed according to the motor bodies 103 with different signals in the box body 1, a sealing mechanism 3 is arranged above the box body 1, and the sealing mechanism 3 is used for sealing the upper surface of the box body 1.

Specifically, as shown in fig. 1 and 3, a through hole 105 is formed in the middle of the left side of the box body 1, a ventilation plate 106 is fixedly connected to the right side of the box body 1, and a connection groove 107 is formed in the middle of one side of the ventilation plate 106.

Through above-mentioned technical scheme, through-hole 105 runs through in the left side middle part of box 1, and the external personnel of being convenient for link to each other motor body 103 with the external world, and spread groove 107 runs through in ventilative board 106, and ventilative board 106 is convenient for the inside motor body 103 of box 1 when the operation thermal giving off.

Specifically, as shown in fig. 2, the sealing mechanism 3 includes a roller 301, one side of the roller 301 is disposed at the right side of the upper surface of the box 1, and a cover plate 302 is fixedly connected to one side of the roller 301.

Through the technical scheme, the cover plate 302 can rotate above the box body 1 through the roller 301, and covers the upper surface of the box body 1.

Specifically, as shown in fig. 2, a second handle 303 is fixedly connected to the middle portion of the right side of the cover plate 302, and a fixing buckle 304 is disposed at the middle portion of the top of the cover plate 302.

Through the technical scheme, the second handle 303 is convenient for an operator to take the cover plate 302, and the fixing buckle 304 is used for fixing the cover plate 302.

Specifically, as shown in fig. 2, a fixing block 305 is fixedly connected to the upper portion of the left middle portion of the box body 1, and a protection disc 306 is disposed at the left middle portion of the cover plate 302.

Through the above technical solution, the fixing fastener 304 and the fixing block 305 are fastened to each other, and when the cover plate 302 is attached to the upper surface of the box body 1, the fixing fastener 304 and the fixing block 305 are fastened together, so that the cover plate 302 can be fixed.

Specifically, as shown in fig. 5, one end of the threaded rod 202 is placed inside the sleeve 204.

Through above-mentioned technical scheme, threaded rod 202 gomphosis is in the inside of sleeve pipe 204, and be sliding motion between the two, and threaded rod 202 extrudees sleeve pipe 204, extrudees arc 205 then, avoids arc 205 to be spacing.

When the motor is used, the cover plate 302 is opened, the motor body 103 is placed between the two arc-shaped plates 205 and clamped, the bottom of the motor body is placed on the upper surface of the placing plate 102, then the rotating handles 203 on the two sides are rotated, the sleeve 204 and the arc-shaped plates 205 are extruded through the threaded rods 202, and the motor body 103 can be stably fixed and protected to a certain extent.

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 brushless DC motor, includes box (1), its characterized in that: damping springs (101) are arranged at four corners of the bottom inside the box body (1), a placing plate (102) is fixedly connected to the tops of the damping springs (101), a motor body (103) is placed above the placing plate (102), a first handle (104) is fixedly connected to the middle of the upper surface of the motor body (103), fixing mechanisms (2) are arranged on two sides of the motor body (103), each fixing mechanism (2) comprises a connecting pipe (201), the number of the connecting pipes (201) is two, one side of each connecting pipe (201) is fixedly connected to the middle of the front surface and the middle of the back surface of the box body (1), a threaded rod (202) is connected to the inner thread of each connecting pipe (201), a rotating handle (203) is fixedly connected to one end of each threaded rod (202), and a sleeve (204) is arranged on one side of the other end of each threaded rod (202), the inner side of the sleeve (204) is fixedly connected with an arc-shaped plate (205), the left side and the right side of the middle part of one side of the arc-shaped plate (205) are fixedly connected with extension springs (206), and a sealing mechanism (3) is arranged above the box body (1).

2. A brushless dc motor according to claim 1, wherein: the middle part of the left side of the box body (1) is provided with a through hole (105), the right side of the box body (1) is fixedly connected with a ventilation plate (106), and the middle part of one side of the ventilation plate (106) is provided with a connecting groove (107).

3. A brushless dc motor according to claim 1, wherein: sealing mechanism (3) include roller bearing (301), one side of roller bearing (301) sets up in the upper surface right side of box (1), one side fixedly connected with apron (302) of roller bearing (301).

4. A brushless dc motor according to claim 3, wherein: the middle part of the right side of the cover plate (302) is fixedly connected with a second handle (303), and the middle part of the top of the cover plate (302) is provided with a fixing buckle (304).

5. A brushless DC motor according to claim 4, characterized in that: the upper side of the middle part of the left side of the box body (1) is fixedly connected with a fixed block (305), and the middle part of the left side of the cover plate (302) is provided with a protective plate (306).

6. A brushless dc motor according to claim 1, wherein: one end of the threaded rod (202) is placed inside the sleeve (204).