CN209545346U - A kind of motor with overload protection function - Google Patents
A kind of motor with overload protection function Download PDFInfo
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- CN209545346U CN209545346U CN201920746425.5U CN201920746425U CN209545346U CN 209545346 U CN209545346 U CN 209545346U CN 201920746425 U CN201920746425 U CN 201920746425U CN 209545346 U CN209545346 U CN 209545346U
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- electric machine
- rotary electric
- output shaft
- motor
- block
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Abstract
The utility model relates to technical field of power equipment, and disclose a kind of motor with overload protection function, including rotary electric machine.The motor with overload protection function, the torque that rotary electric machine output shaft can be made to export if motor overload when rotating by being powered to rotary electric machine increases, the pressure that the torque increase of rotary electric machine output shaft will make rotating block overcome stabilizing spring and compression spring is displaced outwardly, make to rotate stripper plate when rotating block is displaced outwardly, stabilizing spring, movable plate, connecting rod and movable plate are displaced outwardly, movable plate drives support rod and grip block to be displaced outwardly, the pressure between grip block and rotary electric machine output shaft is reduced at this time, so that being reduced by the torque that rotary electric machine output shaft gives link block, subsequent mechanical device is protected to reach, reduce property loss, device limitation for temperature overload protective device is small, biggish error will not be generated because of environment influences.
Description
Technical field
The utility model relates to technical field of power equipment, specially a kind of motor with overload protection function.
Background technique
Motor (English: Electric machinery is commonly called as " motor "), which refers to, realizes electric energy according to the law of electromagnetic induction
A kind of calutron of conversion or transmitting, motor are indicated with letter M (old plant D) in circuit, its main function is
Driving torque is generated, as electrical appliance or the power source of various machinery, generator is indicated with letter G in circuit, it main
Effect is to be converted into electric energy using mechanical energy.
Motor has use in various machinery as power device, but motor will appear overload during use
Phenomenon occurs generally making that the motor feels hot when overload phenomenon and torque increases, carries out overload protection one to motor on the market
As use the overload protection that realization is monitored to heat, but this mode is in temperature higher season and environment
The problem of error is larger, is easy to appear protection error, so proposing that a kind of motor with overload protection function is above-mentioned to solve
The problem of proposed.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of motor with overload protection function, has office
The advantages that sex-limited small, solves the problems, such as to be limited to by environment temperature.
(2) technical solution
To realize the small purpose of above-mentioned limitation, the utility model provides the following technical solutions: one kind having overload protection
The outside of the motor of function, including rotary electric machine, the rotary electric machine output shaft is socketed with protection shell, protects interior of shell
Inside is fixedly connected with fixed block, and the inside of fixed block is fixedly connected with rolling bearing, and the inside of rolling bearing is fixedly connected with
The link block being socketed in outside rotary electric machine output shaft, it is four that the inside of link block successively offers quantity from top to bottom
Loose slot and fixing groove, the inside of link block offer the movable chamber being connected on the outside of loose slot and with loose slot, activity
The side of the intracavitary separate rotary electric machine output shaft of chamber is fixedly connected with compression spring, and compression spring is close to rotary electric machine output shaft
Side is fixedly connected with movable plate, and movable plate is fixedly connected sequentially from top to bottom close to the side of rotary electric machine output shaft difference
The connecting rod and support rod inside loose slot and inside fixing groove are extended to, support rod is solid close to the side of rotary electric machine output shaft
Surely it is connected with the grip block fitted closely with rotary electric machine output shaft, the connecting rod is solid close to the side of rotary electric machine output shaft
Surely it is connected with movable block, movable block is fixedly connected with stabilizing spring close to the side of rotary electric machine output shaft, and stabilizing spring is close
The side of rotary electric machine output shaft is fixedly connected with rotation stripper plate, and rotation stripper plate is living close to the side of rotary electric machine output shaft
Dynamic to be connected with the rotating block being in contact with the output shaft of rotary electric machine, the bottom of the link block, which is fixedly connected with, extends to protection
The connecting shaft of shell exterior.
Preferably, the fixed block is circular block, the diameter of fixed block and the diameter of protection interior of shell.
Preferably, there are four the movable chamber is total to, four movable chambers are located at the outside of four loose slots.
Preferably, the spherical groove that the cylinder groove and quantity that the loose slot is one by quantity are one forms, cylinder groove
Side far from movable chamber is connected with spherical groove, and the diameter of cylinder groove is less than the diameter of spherical groove, and four loose slots
It is equally spaced in a ring.
Preferably, the rotation stripper plate is circular slab, and rotation stripper plate is opened up close to the side of rotary electric machine output shaft
There is spherical groove.
Preferably, the fixing groove is rectangular channel, and four fixing grooves are equally spaced in a ring.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of motor with overload protection function, and having following has
Beneficial effect:
The motor with overload protection function can make to turn if motor overload when rotating by being powered to rotary electric machine
The torque of dynamic motor output shaft output increases, and the torque increase of rotary electric machine output shaft will make rotating block overcome stabilizing spring
It is displaced outwardly with the pressure of compression spring, makes to rotate stripper plate, stabilizing spring, movable plate, connection when rotating block is displaced outwardly
Bar and movable block are displaced outwardly, and movable block drives support rod and grip block to be displaced outwardly, at this time grip block and rotation electricity
Pressure between machine output shaft is reduced, so that being reduced by the torque that rotary electric machine output shaft gives link block, to reach
To protecting to subsequent mechanical device, property loss is reduced, the device is for temperature overload protective device
The limitation used is small, and will not generate biggish error because of environment reason influences.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged diagram at A in the utility model structure chart 1.
In figure: 1 protection shell, 2 rotary electric machines, 3 fixed blocks, 4 rolling bearings, 5 link blocks, 6 loose slots, 7 movable chambers, 8
Compression spring, 9 movable plates, 10 connecting rods, 11 movable blocks, 12 stabilizing springs, 13 rotation stripper plates, 14 rotating blocks, 15 fixing grooves,
16 support rods, 17 grip blocks, 18 connecting shafts.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of motor with overload protection function referring to FIG. 1-2, including rotary electric machine 2, the model of rotary electric machine 2
It can be YE2, the outside of 2 output shaft of rotary electric machine is socketed with protection shell 1, the inside inside shell 1 is protected to be fixedly connected with
Determine block 3, fixed block 3 is circular block, and the diameter and the diameter inside protection shell 1 of fixed block 3, the inside of fixed block 3 is fixed to be connected
It is connected to rolling bearing 4, the inside of rolling bearing 4 is fixedly connected with the link block 5 being socketed in outside 2 output shaft of rotary electric machine, even
The inside for connecing block 5 successively offers loose slot 6 and fixing groove 15 that quantity is four from top to bottom, and fixing groove 15 is rectangle
Slot, and four fixing grooves 15 are equally spaced in a ring, the spherical shape that the cylinder groove and quantity that loose slot 6 is one by quantity are one
Slot composition, cylinder groove are connected far from the side of movable chamber 7 with spherical groove, and the diameter of cylinder groove is less than the diameter of spherical groove, and
Four loose slots 6 are equally spaced in a ring, and the inside of link block 5 offers positioned at 6 outside of loose slot and is connected with loose slot 6
Movable chamber 7, movable chamber 7 altogether there are four, four movable chambers 7 are located at the outside of four loose slots 6, movable chamber 7 it is intracavitary far from turn
The side of dynamic 2 output shaft of motor is fixedly connected with compression spring 8, and compression spring 8 is fixed close to the side of 2 output shaft of rotary electric machine
It is connected with movable plate 9, movable plate 9 is fixedly connected sequentially from top to bottom close to the side of 2 output shaft of rotary electric machine and each extends over
Connecting rod 10 and support rod 16 inside to 6 inside of loose slot and fixing groove 15, support rod 16 is close to 2 output shaft of rotary electric machine
Side is fixedly connected with the grip block 17 fitted closely with 2 output shaft of rotary electric machine, and connecting rod 10 is close to 2 output shaft of rotary electric machine
Side be fixedly connected with movable block 11, movable block 11 is fixedly connected with stabilizing spring close to the side of 2 output shaft of rotary electric machine
12, stabilizing spring 12 is fixedly connected with rotation stripper plate 13 close to the side of 2 output shaft of rotary electric machine, and rotation stripper plate 13 is circle
Shape plate, rotation stripper plate 13 offer spherical groove close to the side of 2 output shaft of rotary electric machine, and rotation stripper plate 13 is close to rotation
The side of 2 output shaft of motor is connected with the rotating block 14 being in contact with the output shaft of rotary electric machine 2, the bottom of link block 5
It is fixedly connected with the connecting shaft 18 extended to outside protection shell 1, when rotating by being powered to rotary electric machine 2 if motor overload
So that the torque of 2 output shaft of rotary electric machine output increases, the torque increase of 2 output shaft of rotary electric machine will make rotating block 14 for meeting
Stabilizing spring 12 and the pressure of compression spring 8 is overcome to be displaced outwardly, rotating block 14 to rotate stripper plate 13, steady when being displaced outwardly
Determine spring 12, movable block 11, connecting rod 10 and movable plate 9 to be displaced outwardly, movable plate 9 drives support rod 16 and grip block 17
It is displaced outwardly, the pressure between 2 output shaft of grip block 17 and rotary electric machine is reduced at this time, so that passing through rotary electric machine 2
The torque that output shaft gives link block 5 reduces, and protects to reach to subsequent mechanical device, reduces property damage
It loses, the limitation which uses for temperature overload protective device is small, will not generate because of environment reason biggish
Error influences.
In conclusion this has the motor of overload protection function, if motor overload when being rotated by being powered to rotary electric machine 2
The torque that can then make 2 output shaft of rotary electric machine export increases, and the torque increase of 2 output shaft of rotary electric machine will make rotating block
14 overcome stabilizing spring 12 and the pressure of compression spring 8 to be displaced outwardly, rotating block 14 make when being displaced outwardly rotate stripper plate 13,
Stabilizing spring 12, movable block 11, connecting rod 10 and movable plate 9 are displaced outwardly, and movable plate 9 drives support rod 16 and grip block
17 are displaced outwardly, and the pressure between 2 output shaft of grip block 17 and rotary electric machine is reduced at this time, so that passing through rotary electric machine
The torque that 2 output shafts give link block 5 reduces, and protects to reach to subsequent mechanical device, reduces property damage
It loses, the limitation which uses for temperature overload protective device is small, will not generate because of environment reason biggish
Error influences, and solves the problems, such as to be limited to by environment temperature.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of motor with overload protection function, including rotary electric machine (2), it is characterised in that: the rotary electric machine (2) is defeated
The outside of shaft is socketed with protection shell (1), and the internal inside of protection shell (1) is fixedly connected with fixed block (3), fixed block
(3) inside is fixedly connected with rolling bearing (4), and the inside of rolling bearing (4) is fixedly connected with that be socketed in rotary electric machine (2) defeated
Link block (5) outside shaft, the inside of link block (5) successively offer the loose slot (6) that quantity is four from top to bottom
With fixing groove (15), the inside of link block (5) offers the activity being connected on the outside of loose slot (6) and with loose slot (6)
The side of chamber (7), intracavitary separate rotary electric machine (2) output shaft of movable chamber (7) is fixedly connected with compression spring (8), compression spring
(8) it is fixedly connected with movable plate (9) close to the side of rotary electric machine (2) output shaft, movable plate (9) is defeated close to rotary electric machine (2)
The side of shaft is fixedly connected sequentially from top to bottom extends respectively to the internal connection internal with fixing groove (15) of loose slot (6)
Bar (10) and support rod (16), support rod (16) is fixedly connected with close to the side of rotary electric machine (2) output shaft and rotary electric machine
(2) grip block (17) that output shaft fits closely, the connecting rod (10) is close to the fixed company in the side of rotary electric machine (2) output shaft
It is connected to movable block (11), movable block (11) is fixedly connected with stabilizing spring (12) close to the side of rotary electric machine (2) output shaft, surely
Determine spring (12) and be fixedly connected with rotation stripper plate (13) close to the side of rotary electric machine (2) output shaft, rotates stripper plate (13)
Side close to rotary electric machine (2) output shaft is connected with the rotating block (14) being in contact with the output shaft of rotary electric machine (2),
The bottom of the link block (5), which is fixedly connected with, extends to the external connecting shaft (18) of protection shell (1).
2. a kind of motor with overload protection function according to claim 1, it is characterised in that: the fixed block (3)
For circular block, the diameter of fixed block (3) and the diameter of protection shell (1) inside.
3. a kind of motor with overload protection function according to claim 1, it is characterised in that: the movable chamber (7)
There are four altogether, four movable chambers (7) are located at the outside of four loose slots (6).
4. a kind of motor with overload protection function according to claim 1, it is characterised in that: the loose slot (6)
The spherical groove that the cylinder groove and quantity for being one by quantity are one forms, side of the cylinder groove far from movable chamber (7) and spherical shape
Slot is connected, and the diameter of cylinder groove is less than the diameter of spherical groove, and four loose slots (6) are equally spaced in a ring.
5. a kind of motor with overload protection function according to claim 1, it is characterised in that: the rotation stripper plate
It (13) is circular slab, rotation stripper plate (13) offers spherical groove close to the side of rotary electric machine (2) output shaft.
6. a kind of motor with overload protection function according to claim 1, it is characterised in that: the fixing groove (15)
For rectangular channel, and four fixing grooves (15) are equally spaced in a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746425.5U CN209545346U (en) | 2019-05-23 | 2019-05-23 | A kind of motor with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746425.5U CN209545346U (en) | 2019-05-23 | 2019-05-23 | A kind of motor with overload protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209545346U true CN209545346U (en) | 2019-10-25 |
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ID=68246907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920746425.5U Active CN209545346U (en) | 2019-05-23 | 2019-05-23 | A kind of motor with overload protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209545346U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713019A (en) * | 2020-12-24 | 2021-04-27 | 贺神华 | Voltage stabilizing device for output circuit of low-voltage transformer |
| CN112871062A (en) * | 2021-01-11 | 2021-06-01 | 王海仙 | Food processing equipment with overload alarm structure |
-
2019
- 2019-05-23 CN CN201920746425.5U patent/CN209545346U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713019A (en) * | 2020-12-24 | 2021-04-27 | 贺神华 | Voltage stabilizing device for output circuit of low-voltage transformer |
| CN112713019B (en) * | 2020-12-24 | 2022-05-24 | 佛山市金米诚电气有限公司 | Voltage stabilizing device for output circuit of low-voltage transformer |
| CN112871062A (en) * | 2021-01-11 | 2021-06-01 | 王海仙 | Food processing equipment with overload alarm structure |
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