CN207719949U - A kind of earth protective device of permanent magnet DC motor - Google Patents

Abstract

The utility model discloses a kind of earth protective devices of permanent magnet DC motor; including motor body; the both sides of the motor body bottom have been fixedly connected with support column; the bottom of the support column is fixedly connected with fixed plate; protector body is provided on front side of the motor body, the bottom of the protector body is fixedly connected with fixed block.The utility model is by being arranged fixed block, movable plate, first tension spring, motion bar, movable block, movable plate, second tension spring and connecting pole are used cooperatively, solve the problems, such as that the earth protective device of existing permanent magnet DC motor does not have damping, the earth protective device of the permanent magnet DC motor, have can damping the advantages of, the effective vibrations for avoiding motor lead to the internal component damage of earth protective device, reduce the danger of permanent magnet DC motor, reduce the frequency of replacement, reduce the economic cost of user, convenient for the use of user, it is worth of widely use.

Description

A kind of earth protective device of permanent magnet DC motor

Technical field

The utility model is related to technical field of motors, specially a kind of earth protective device of permanent magnet DC motor.

Background technology

Brushless, permanently excited direct current motor is the dc motor that magnetic field is established by one or more permanent magnet, performance and perseverance The DC motor with separate excitation for determining exciting current is similar, can be by change armature voltage come easily speed governing, with separated exciting direct current Motivation is compared, and is had many advantages, such as that small, efficient, simple in structure, copper consumption is few, is the main class of low powered DC motor Type, permanent magnet DC motor is according to there is brushless that can be divided into permanent-magnet brushless DC electric machine and permanent magnet brush direct current generator, Permanent magnet DC Motor is a kind of direct current generator that magnetic field is established with permanent magnet, and permanent magnet DC motor is widely used in various portable electronics and sets In standby or utensil.

In the course of work of permanent magnet DC motor, it will usually earth protective device be installed to improve permanent magnet DC motor Safety, however the earth protective device of existing permanent magnet DC motor is there is having the problem of damping, since permanent magnetism is straight Galvanic electricity machine will produce vibrations in the process of work, can be increased for a long time to the internal component damage of earth protective device The danger of permanent magnet DC motor increases the frequency of replacement, increases the economic cost of user, and the person's of being not convenient to use makes With.

Invention content

The purpose of this utility model is to provide a kind of earth protective device of permanent magnet DC motor, have can damping it is excellent Point solves the problems, such as that the earth protective device of existing permanent magnet DC motor does not have damping.

To achieve the above object, the utility model provides the following technical solutions：A kind of ground protection of permanent magnet DC motor The both sides of device, including motor body, the motor body bottom have been fixedly connected with support column, and the bottom of the support column is solid Surely it is connected with fixed plate, protector body is provided on front side of the motor body, the bottom of the protector body, which is fixed, to be connected It is connected to fixed block, the both sides of the fixed block inner cavity top offer the first sliding groove, and the inner wall sliding of the first sliding groove connects It is connected to the first sliding block, the bottom of first sliding block is fixedly connected with movable plate, and is fixedly connected on the inside of the movable plate The bottom of one tension spring, the movable plate is connected with motion bar, and the one end of the motion bar far from movable plate is connected with The bottom of movable block, the movable block is fixedly connected with movable plate, and the both sides of the movable plate have been fixedly connected with the second sliding block, The both sides of the fixed block inner cavity offer second sliding slot, and the inner wall of second sliding slot and the second sliding block far from movable plate one Slideslip connects, and the bottom of the movable plate is fixedly connected with the second tension spring, and the bottom of the second tension spring and fixed block inner cavity Bottom is fixedly connected, and the bottom of the fixed block offers straight slot, and the bottom of the movable plate is fixedly connected with connecting pole, and even Connect column bottom pass through the second tension spring and straight slot and be fixedly connected at the top of fixed plate.

Preferably, it is fixedly connected with semicircular ring at the top of the motor body, the surface of the semicircular ring is socketed with anti-skidding Set.

Preferably, the front of the motor body is fixedly connected with spring, and the back of the body of the front end of spring and protector body Face is fixedly connected.

Preferably, the both sides at the top of the fixed plate offer mounting hole, and mounting hole is located at the outside of support column.

Compared with prior art, the beneficial effects of the utility model are as follows：

1, the utility model is by being arranged fixed block, movable plate, the first tension spring, motion bar, movable block, movable plate, second Tension spring and connecting pole are used cooperatively, and the earth protective device for solving existing permanent magnet DC motor does not have asking for damping Topic, the earth protective device of the permanent magnet DC motor, have can damping the advantages of, effectively avoiding the vibrations of motor causes to connect The internal component damage of ground protective device reduces the danger of permanent magnet DC motor, reduces the frequency of replacement, reducing makes The economic cost of user is convenient for the use of user, is worth of widely use.

2, the utility model can be convenient for user to carry motor body, prevent by the way that semicircular ring and Anti-slip cover is arranged The phenomenon that being slid during carrying motor body can effectively enhance and consolidate to protector body by the way that spring is arranged It is qualitative, additionally it is possible to which that the effect that damping is played to protector body can effectively be enhanced to motor body by the way that mounting hole is arranged Stationarity installs the device convenient for user.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the partial structural diagram in the utility model Fig. 1；

Fig. 3 is the utility model the structure left view.

In figure：1 motor body, 2 support columns, 3 fixed plates, 4 protector bodies, 5 fixed blocks, 6 the first sliding grooves, 7 first are slided Block, 8 movable plates, 9 first tension springs, 10 motion bars, 11 movable blocks, 12 movable plates, 13 second sliding blocks, 14 second sliding slots, 15 second Tension spring, 16 straight slots, 17 connecting poles, 18 semicircular rings, 19 Anti-slip covers, 20 springs, 21 mounting holes.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1-3, a kind of earth protective device of permanent magnet DC motor, including motor body 1, motor body 1 Top is fixedly connected with semicircular ring 18, and the surface of semicircular ring 18 is socketed with Anti-slip cover 19, by the way that semicircular ring 18 and Anti-slip cover is arranged 19, user can be convenient for carry motor body 1, the phenomenon that preventing from sliding during carrying motor body 1, motor The both sides of 1 bottom of ontology have been fixedly connected with support column 2, and the bottom of support column 2 is fixedly connected with fixed plate 3,3 top of fixed plate Both sides offer mounting hole 21, and mounting hole 21 is located at the outside of support column 2, can be effective by the way that mounting hole 21 is arranged Enhance the stationarity to motor body 1, the device is installed convenient for user, the front side of motor body 1 is provided with protector body 4, the front of motor body 1 is fixedly connected with spring 20, and the front end of spring 20 is fixedly connected with the back side of protector body 4, By the way that spring 20 is arranged, it can effectively enhance the stationarity to protector body 4, additionally it is possible to which damping is played to protector body 4 Effect, the bottom of protector body 4 is fixedly connected with fixed block 5, and the both sides of 5 inner cavity top of fixed block offer the first cunning The inner wall of slot 6, the first sliding groove 6 slidably connects the first sliding block 7, and the bottom of the first sliding block 7 is fixedly connected with movable plate 8, mobile The inside of plate 8 is fixedly connected with the first tension spring 9, and the bottom of movable plate 8 is connected with motion bar 10, and motion bar 10 is far from mobile One end of plate 8 is connected with movable block 11, and the bottom of movable block 11 is fixedly connected with movable plate 12, and the both sides of movable plate 12 are equal Be fixedly connected with the second sliding block 13, the both sides of 5 inner cavity of fixed block offer second sliding slot 14, and the inner wall of second sliding slot 14 with Second side of the sliding block 13 far from movable plate 12 is slidably connected, and the bottom of movable plate 12 is fixedly connected with the second tension spring 15, and The bottom of two tension springs 15 is fixedly connected with the bottom of 5 inner cavity of fixed block, and the bottom of fixed block 5 offers straight slot 16, movable plate 12 Bottom be fixedly connected with connecting pole 17, and the bottom of connecting pole 17 pass through the second tension spring 15 and straight slot 16 and with fixed plate 3 Top is fixedly connected, by the way that fixed block 5, movable plate 8, the first tension spring 9, motion bar 10, movable block 11, movable plate 12, the is arranged Two tension springs 15 and connecting pole 17 are used cooperatively, and the earth protective device for solving existing permanent magnet DC motor does not have damping The problem of, the earth protective device of the permanent magnet DC motor, have can damping the advantages of, the vibrations for effectively avoiding motor are led The internal component damage for causing earth protective device, reduces the danger of permanent magnet DC motor, reduces the frequency of replacement, reduces The economic cost of user is convenient for the use of user, is worth of widely use.

It, can band by being used cooperatively for the first sliding groove 6 and the first sliding block 7 in use, due to the active force of the first tension spring 9 Dynamic movable plate 8 is constantly in the state moved inward, and movable plate 8 drives 10 inside side oscillation of motion bar, motion bar 10 to Movable block 11 can be driven to move down while interior side oscillation, then due to the active force of the second tension spring 15, pass through the second sliding block 13 With being used cooperatively for second sliding slot 14, movable plate 12 can be driven to be constantly in the state moved down, movable plate 12 drives connection Column 17 moves down, so as to which achieve the purpose that can damping.

In summary：The earth protective device of the permanent magnet DC motor, by the way that fixed block 5 is arranged, movable plate 8, first is drawn Spring 9, motion bar 10, movable block 11, movable plate 12, the second tension spring 15 and connecting pole 17 are used cooperatively, solve it is existing forever The earth protective device of magnetic direct current generator does not have the problem of damping.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of earth protective device of permanent magnet DC motor, including motor body（1）, it is characterised in that：The motor body （1）The both sides of bottom have been fixedly connected with support column（2）, the support column（2）Bottom be fixedly connected with fixed plate（3）, institute State motor body（1）Front side be provided with protector body（4）, the protector body（4）Bottom be fixedly connected with fixation Block（5）, the fixed block（5）The both sides of inner cavity top offer the first sliding groove（6）, the first sliding groove（6）Inner wall slide It is dynamic to be connected with the first sliding block（7）, first sliding block（7）Bottom be fixedly connected with movable plate（8）, the movable plate（8）'s Inside is fixedly connected with the first tension spring（9）, the movable plate（8）Bottom be connected with motion bar（10）, the motion bar （10）Far from movable plate（8）One end be connected with movable block（11）, the movable block（11）Bottom be fixedly connected with work Movable plate（12）, the movable plate（12）Both sides be fixedly connected with the second sliding block（13）, the fixed block（5）The both sides of inner cavity Offer second sliding slot（14）, and second sliding slot（14）Inner wall and the second sliding block（13）Far from movable plate（12）A sideslip Dynamic connection, the movable plate（12）Bottom be fixedly connected with the second tension spring（15）, and the second tension spring（15）Bottom and fixation Block（5）The bottom of inner cavity is fixedly connected, the fixed block（5）Bottom offer straight slot（16）, the movable plate（12）Bottom Portion is fixedly connected with connecting pole（17）, and connecting pole（17）Bottom pass through the second tension spring（15）And straight slot（16）And and fixed plate （3）Top be fixedly connected.

2. a kind of earth protective device of permanent magnet DC motor according to claim 1, it is characterised in that：The motor sheet Body（1）Top be fixedly connected with semicircular ring（18）, the semicircular ring（18）Surface be socketed with Anti-slip cover（19）.

3. a kind of earth protective device of permanent magnet DC motor according to claim 1, it is characterised in that：The motor sheet Body（1）Front be fixedly connected with spring（20）, and spring（20）Front end and protector body（4）The back side be fixedly connected.

4. a kind of earth protective device of permanent magnet DC motor according to claim 1, it is characterised in that：The fixed plate （3）The both sides at top offer mounting hole（21）, and mounting hole（21）Positioned at support column（2）Outside.