CN215733888U - Asynchronous motor with overload protection mechanism - Google Patents
Asynchronous motor with overload protection mechanism Download PDFInfo
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- CN215733888U CN215733888U CN202122048045.4U CN202122048045U CN215733888U CN 215733888 U CN215733888 U CN 215733888U CN 202122048045 U CN202122048045 U CN 202122048045U CN 215733888 U CN215733888 U CN 215733888U
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- asynchronous motor
- threaded rod
- overload protection
- motor body
- asynchronous
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an asynchronous motor with an overload protection mechanism, which comprises an asynchronous motor body and a fixing mechanism, wherein the asynchronous motor body is provided with an overload protection device, the asynchronous motor body is arranged on the right side of the upper part of the fixing mechanism, the left side of the upper part of the fixing mechanism is provided with an air box, a fan is arranged inside the air box, the right side of the upper surface of a base is provided with a sliding chute, a threaded rod is rotatably connected between the front inner surface and the rear inner surface of the sliding chute, the front side and the rear side of the outer surface of the threaded rod are both in threaded connection with nut blocks, the upper sides of the two nut blocks are both fixedly connected with clamping structures, the asynchronous motor body is arranged between the two clamping structures, the asynchronous motor body can be timely radiated, the asynchronous motor body can be ensured to be in a proper temperature range, and the protection of the asynchronous motor body is facilitated, the service life of the asynchronous motor body is prolonged.
Description
Technical Field
The utility model relates to the technical field of motor equipment, in particular to an asynchronous motor with an overload protection mechanism.
Background
The asynchronous motor is an alternating current motor which generates electromagnetic torque by interaction of an air gap rotating magnetic field and induction current of a rotor winding, so that electromechanical energy is converted into mechanical energy, and the asynchronous motor is very wide in application. In order to prevent a main power line from being damaged due to overload and overheating in the use process of the motor, an overload protection device is usually arranged on the motor to cut off the power supply, so that potential safety hazards caused by overload of the motor are prevented, however, a large amount of heat is usually generated when the motor is overloaded, and even if the power supply of the motor is cut off, the heat around the motor still accumulates, an ordinary motor is not provided with an auxiliary heat dissipation mechanism, the motor cannot be rapidly cooled, the time of the motor in a high-temperature environment is long, and the service life of the motor is easily influenced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an asynchronous motor having an overload protection mechanism to solve the problems set forth in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an asynchronous motor with overload protection mechanism, includes asynchronous machine body and fixed establishment, be equipped with overload protection device on the asynchronous machine body, the asynchronous machine body is established fixed establishment's upper portion right side, fixed establishment's upper portion left side is equipped with bellows, the inside of bellows is equipped with the fan, the right side wall of bellows evenly is equipped with the rectangle ventilation hole.
Preferably, fixed establishment includes the base, the asynchronous machine body is established the upper surface right side of base, the bellows is established the upper surface left side of base, the upper surface right side of base is equipped with the spout, it is connected with the threaded rod to rotate between two internal surfaces around the spout, the equal threaded connection in both sides has the nut piece, two around the surface of threaded rod the nut piece all with spout sliding connection, just the screw thread opposite direction of both sides around the threaded rod surface, two the equal fixedly connected with in upside of nut piece presss from both sides tight structure, the asynchronous machine body is established two press from both sides between the tight structure, the front end of threaded rod runs through the preceding lateral wall of base.
Preferably, the front side of the upper surface of the base is provided with a threaded hole corresponding to the position of the threaded rod, the threaded hole is connected with a positioning bolt in a threaded manner, and the lower end of the positioning bolt is matched with the threaded rod for use.
Preferably, press from both sides tight structure including pressing from both sides the groove, press from both sides groove fixed connection in the upside of nut piece, the opening that presss from both sides the groove faces the asynchronous machine body, the inside sliding connection that presss from both sides the groove has the rectangle clamp splice, press from both sides the groove and keep away from asynchronous machine body one side internal surface with evenly be equipped with damping spring between the rectangle clamp splice.
Preferably, a shockproof pad is arranged on the surface of one side, close to the asynchronous motor body, of the rectangular clamping block.
Preferably, a controller and a temperature sensor are arranged on the air box, and the temperature sensor and the fan are electrically connected with the controller.
Compared with the prior art, the utility model has the beneficial effects that: an asynchronous motor with an overload protection mechanism is provided with an asynchronous motor body and an air box through a fixing mechanism, wherein a fan is arranged inside the air box, rectangular ventilation holes are uniformly formed in the air box, a controller and a temperature sensor are arranged on the air box, the temperature sensor and the fan are both electrically connected with the controller, the asynchronous motor body can be timely radiated, the asynchronous motor body can be ensured to be in a proper temperature range, the asynchronous motor body is favorably protected, the service life of the asynchronous motor body is prolonged, nut blocks in threaded connection with two sides of a threaded rod are arranged on the two sides of the threaded rod, the directions of threads on the two sides of the threaded rod are opposite, the nut blocks slide in a sliding groove, a clamping structure is arranged on the nut blocks, the asynchronous motor body is arranged between the two clamping structures, the asynchronous motor bodies with different specifications can be conveniently fixed, the use flexibility of the motor is improved, and the rectangular clamping blocks are connected through sliding in the clamping grooves, a damping spring is arranged between the rectangular clamping block and the clamping groove, and a shock pad is arranged on the rectangular clamping block, so that the shock of the asynchronous motor body can be reduced, and the asynchronous motor body is protected.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front sectional view of the present invention;
FIG. 4 is a right side sectional view of the present invention;
fig. 5 is a partial enlarged view of a portion a in fig. 4.
In the figure: 1-asynchronous motor body, 2-overload protection device, 3-bellows, 4-fan, 5-rectangular vent hole, 6-base, 7-chute, 8-threaded rod, 9-nut block, 10-threaded hole, 11-positioning bolt, 12-clamping groove, 13-rectangular clamping block, 14-damping spring, 15-shockproof pad, 16-controller and 17-temperature sensor.
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, the present invention provides the following technical solutions: an asynchronous motor with an overload protection mechanism comprises an asynchronous motor body 1 and a fixing mechanism, wherein the fixing mechanism is used for fixing the asynchronous motor body 1, the asynchronous motor body 1 is convenient to install, the asynchronous motor body 1 is provided with an overload protection device 2, the overload protection device 2 generally adopts a thermal relay, when the asynchronous motor body 1 is in overload operation, the current is increased, the temperature of a heating element of the thermal relay is increased, a bimetallic strip is gradually bent and then exceeds a fixed value, and finally a normally closed contact is pushed open to cut off a contactor coil, so that the power supply is cut off, and the asynchronous motor body 1 is prevented from being burnt due to long-term overload operation, the asynchronous motor body 1 is arranged on the right side of the upper portion of the fixing mechanism, the left side of the upper portion of the fixing mechanism is provided with an air box 3, a fan 4 is arranged inside the air box 3, and the right side wall of the air box 3 is uniformly provided with rectangular ventilation holes 5, the operation of the fan 4 is controlled, so that ventilation is blown to the asynchronous motor body 1 through the rectangular ventilation holes 5, heat dissipation is carried out on the periphery of the asynchronous motor body 1, the temperature of the asynchronous motor body 1 can be quickly reduced, the asynchronous motor body 1 is protected, and the service life of the asynchronous motor body 1 is prolonged.
Particularly, the fixing mechanism comprises a base 6, the asynchronous motor body 1 is arranged on the right side of the upper surface of the base 6, the air box 3 is arranged on the left side of the upper surface of the base 6, a chute 7 is arranged on the right side of the upper surface of the base 6, a threaded rod 8 is rotatably connected between the front inner surface and the rear inner surface of the chute 7, the front side and the rear side of the outer surface of the threaded rod 8 are respectively in threaded connection with a nut block 9, the two nut blocks 9 are respectively in sliding connection with the chute 7, the thread directions of the front side and the rear side of the outer surface of the threaded rod 8 are opposite, the upper sides of the two nut blocks 9 are respectively and fixedly connected with a clamping structure, the asynchronous motor body 1 is arranged between the two clamping structures, the front end of the threaded rod 8 penetrates through the front side wall of the base 6, and the nut block 9 limited by the chute 7 on the threaded rod 8 can slide by rotating the threaded rod 8, and 8 both sides screw thread opposite directions of threaded rod, make the slip opposite direction of both sides nut piece 9, consequently make the nut piece 9 of both sides be close to each other or keep away from each other, and then make and press from both sides tight structure and can press from both sides tight fixed to asynchronous machine body 1, the both sides press from both sides and press from both sides apart from convenient adjustment between the tight structure in addition, can fix the asynchronous machine body 1 of different models, improve the flexibility that this motor used.
Particularly, the upper surface front side of base 6 corresponds threaded rod 8's position is equipped with screw hole 10, and screw hole 10 can expose threaded rod 8's surface, screw hole 10 female connection has positioning bolt 11, positioning bolt 11's lower extreme with threaded rod 8 cooperation is used, when not needing threaded rod 8 to rotate, can rotating position bolt 11, makes positioning bolt 11's lower extreme and threaded rod 8 in close contact with, prevents threaded rod 8 chucking with threaded rod 8 and rotates, makes the fixed effect of fixed establishment better.
Particularly, press from both sides tight structure including pressing from both sides groove 12, press from both sides 12 fixed connection in the upside of nut block 9, the opening that presss from both sides groove 12 faces asynchronous machine body 1, the inside sliding connection that presss from both sides groove 12 has rectangle clamp splice 13, press from both sides groove 12 and keep away from one side internal surface of asynchronous machine body 1 with evenly be equipped with damping spring 14 between the rectangle clamp splice 13, press from both sides tight structure and press from both sides behind asynchronous machine body 1, rectangle clamp splice 13 and asynchronous machine body 1 contact, and then make damping spring 14 can reduce the vibrations that asynchronous machine body 1 received, be favorable to asynchronous machine body 1's protection.
Specifically, the rectangular clamping block 13 is provided with a vibration-proof pad 15 on the surface of one side close to the asynchronous motor body 1, and the vibration-proof pad 15 enables the damping effect of the clamping structure to be better.
Particularly, be equipped with controller 16 and temperature-sensing ware 17 on bellows 3, temperature-sensing ware 17 with fan 4 all with controller 16 electric connection, temperature-sensing ware 17 sets for the temperature range, makes temperature-sensing ware 17 response asynchronous machine body temperature around 1, when temperature-sensing ware 17 senses ambient temperature and is higher than the highest value of settlement, temperature-sensing ware 17 makes controller 16 control fan 4 move, lower the temperature to asynchronous machine body 1, when temperature-sensing ware 17 senses ambient temperature and is less than the lowest value of settlement, temperature-sensing ware 17 makes controller 16 control fan 4 stop motion, can in time dispel the heat to asynchronous machine body 1, make asynchronous machine body 1 keep suitable temperature around.
The working principle is as follows: when the asynchronous motor body 1 is overloaded, the overload protection device 2 is powered off to protect the asynchronous motor body 1, the temperature sensor 17 can sense the heat around the asynchronous motor body 1, when the heat is higher than the set maximum value, the temperature sensor 17 transmits a signal to the controller 16 to enable the controller 16 to control the fan 4 to operate, the asynchronous motor body 1 is rapidly radiated in time, when the temperature is reduced to the set minimum value of the temperature sensor 17, the temperature sensor 17 enables the fan 4 to stop operating through the controller 16, the temperature of the asynchronous motor body 1 is controlled in a proper range, the asynchronous motor body 1 is radiated in time, the service life of the motor is prolonged, two nut blocks 9 limited by the sliding grooves 7 on the threaded rod 8 are driven to slide by the two nut blocks 9, the directions of threads on the two sides of the threaded rod 8 are opposite, and then make two press from both sides tight structure slip opposite direction, press from both sides tight the fixed asynchronous machine body 1 in the middle of, the asynchronous machine body 1 of convenient different specifications of fixing at fixed establishment.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An asynchronous motor with an overload protection mechanism comprises an asynchronous motor body (1) and a fixing mechanism, and is characterized in that: be equipped with overload protection device (2) on asynchronous machine body (1), asynchronous machine body (1) is established fixed establishment's upper portion right side, fixed establishment's upper portion left side is equipped with bellows (3), the inside of bellows (3) is equipped with fan (4), the right side wall of bellows (3) evenly is equipped with rectangle ventilation hole (5).
2. An asynchronous motor with an overload protection mechanism according to claim 1, characterised in that: the fixing mechanism comprises a base (6), the asynchronous motor body (1) is arranged on the right side of the upper surface of the base (6), the air box (3) is arranged on the left side of the upper surface of the base (6), a sliding groove (7) is arranged on the right side of the upper surface of the base (6), a threaded rod (8) is rotatably connected between the front inner surface and the rear inner surface of the sliding chute (7), the front side and the rear side of the outer surface of the threaded rod (8) are both in threaded connection with nut blocks (9), the two nut blocks (9) are both in sliding connection with the sliding chute (7), the thread directions of the front side and the rear side of the outer surface of the threaded rod (8) are opposite, the upper sides of the two nut blocks (9) are fixedly connected with clamping structures, the asynchronous motor body (1) is arranged between the two clamping structures, and the front end of the threaded rod (8) penetrates through the front side wall of the base (6).
3. An asynchronous motor with an overload protection mechanism according to claim 2, characterised in that: the upper surface front side of base (6) corresponds the position of threaded rod (8) is equipped with screw hole (10), screw hole (10) female connection has positioning bolt (11), the lower extreme of positioning bolt (11) with threaded rod (8) cooperation is used.
4. An asynchronous motor with an overload protection mechanism according to claim 3 wherein: press from both sides tight structure including pressing from both sides groove (12), press from both sides groove (12) fixed connection in the upside of nut piece (9), the opening that presss from both sides groove (12) faces asynchronous machine body (1), the inside sliding connection that presss from both sides groove (12) has rectangle clamp splice (13), press from both sides groove (12) and keep away from one side internal surface of asynchronous machine body (1) with evenly be equipped with damping spring (14) between rectangle clamp splice (13).
5. An asynchronous motor with an overload protection mechanism according to claim 4 characterised in that: and a shockproof pad (15) is arranged on the surface of one side, close to the asynchronous motor body (1), of the rectangular clamping block (13).
6. An asynchronous motor with an overload protection mechanism according to claim 1, characterised in that: be equipped with controller (16) and temperature-sensing ware (17) on bellows (3), temperature-sensing ware (17) with fan (4) all with controller (16) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048045.4U CN215733888U (en) | 2021-08-28 | 2021-08-28 | Asynchronous motor with overload protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048045.4U CN215733888U (en) | 2021-08-28 | 2021-08-28 | Asynchronous motor with overload protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215733888U true CN215733888U (en) | 2022-02-01 |
Family
ID=80008453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122048045.4U Expired - Fee Related CN215733888U (en) | 2021-08-28 | 2021-08-28 | Asynchronous motor with overload protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215733888U (en) |
-
2021
- 2021-08-28 CN CN202122048045.4U patent/CN215733888U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |