CN220173021U - Motor with mechanical overload protection device - Google Patents
Motor with mechanical overload protection device Download PDFInfo
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- CN220173021U CN220173021U CN202320103839.2U CN202320103839U CN220173021U CN 220173021 U CN220173021 U CN 220173021U CN 202320103839 U CN202320103839 U CN 202320103839U CN 220173021 U CN220173021 U CN 220173021U
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- motor
- groove
- overload protection
- protection device
- mechanical overload
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- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000000750 progressive effect Effects 0.000 claims description 7
- 239000011324 bead Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a motor with a mechanical overload protection device, comprising: an output shaft; the square groove is formed in one end of the output shaft, and a first limiting block is fixedly arranged at one end of the inner side surface of the square groove; the square plate is connected to the inner side surface of the square groove in a sliding manner, and a fixing rod is fixedly arranged on one side of the square plate; the rotary groove is formed in the outer side face of the output shaft, a clamping ring is arranged on the inner side face of the rotary groove, and a fixing sleeve is fixedly arranged on the outer side face of the clamping ring. The motor with the mechanical overload protection device provided by the utility model is matched with the structures such as the square groove, the first limiting block, the square plate, the fixing rod, the rotating groove, the rolling groove, the ball and the fixing sleeve, and the fixing sleeve can be positioned at a fixed position without extending when in use, so that the motor with the mechanical overload protection device is convenient to connect with a device needing driving.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor with a mechanical overload protection device.
Background
An electric machine (commonly called a "motor") refers to an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. Its main function is to generate a driving torque, as a power source for electric appliances or various machines, and the generator is denoted by the letter G in the circuit, and its main function is to convert mechanical energy into electric energy. The motor has very wide application in daily life of people.
In order to prevent motor from being damaged by overload in use, an overload protection device is added at the output end of the motor, as in the prior art, the overload protection sleeve is additionally arranged in the patent application with publication number CN214674705U, the motor can be protected when the motor is in overload operation, the phenomenon of motor damage is reduced, the design is compact and reasonable, the installation is quick and convenient, the motor can be rapidly ventilated and radiated in the use process, the stability of the working performance of the motor is ensured, the service life of the motor is prolonged, the safety and reliability are high, but the overload protection sleeve can be moved for the extrusion clamping column when the overload protection device is used, so that the overload protection sleeve is inconvenient to connect with a device which needs to be driven in use.
Therefore, there is a need to provide an electric machine with a mechanical overload protection device that solves the above-mentioned technical problems.
Disclosure of Invention
The utility model provides a motor with a mechanical overload protection device, which solves the problems that an overload protection sleeve can extend, and is inconvenient to connect with a device needing to be driven.
In order to solve the technical problem, the motor with the mechanical overload protection device provided by the utility model comprises:
an output shaft;
the square groove is formed in one end of the output shaft, and a first limiting block is fixedly arranged at one end of the inner side surface of the square groove;
the square plate is connected to the inner side surface of the square groove in a sliding manner, and a fixing rod is fixedly arranged on one side of the square plate;
the rotary groove is formed in the outer side face of the output shaft, a clamping ring is arranged on the inner side face of the rotary groove, a fixing sleeve is fixedly arranged on the outer side face of the clamping ring, rolling grooves are formed in both sides of the clamping ring and both sides of the inner side face of the rotary groove, and balls are arranged on the inner side face of the rolling grooves.
Preferably, the inner side surface of the fixing sleeve is provided with a progressive groove.
Preferably, one end of the output shaft is provided with a motor.
Preferably, a fixing plate is fixedly arranged at one end of the fixing rod, and sliding cavities are formed in the two sides of the fixing plate.
Preferably, a second limiting block is fixedly arranged at one end of the inner side surface of the sliding cavity, a limiting plate is slidably connected to the inner side surface of the sliding cavity, a push rod is fixedly arranged at one side of the limiting plate, a round bead is fixedly arranged at one end of the push rod, and the round bead is arranged on the inner side surface of the progressive groove.
Preferably, a spring is arranged at the other end of the inner side surface of the sliding cavity, and one end of the spring is arranged at one side of the limiting plate.
Preferably, an observation groove is formed in the bottom of the output shaft.
Compared with the related art, the motor with the mechanical overload protection device has the following beneficial effects:
the utility model provides a motor with a mechanical overload protection device, which is matched with structures such as a square groove, a first limiting block, a square plate, a fixed rod, a rotating groove, a rolling groove, a ball, a fixed sleeve and the like.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of an electric motor with a mechanical overload protection device according to the present utility model;
FIG. 2 is a schematic view of the internal structure shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;
FIG. 4 is an enlarged schematic view of portion B shown in FIG. 2;
fig. 5 is a schematic structural diagram of a second embodiment of an electric motor with a mechanical overload protection device according to the present utility model.
Reference numerals in the drawings: 1. the device comprises a motor, 2, an output shaft, 21, square grooves, 22, first limiting blocks, 23, square plates, 24, fixed rods, 25, rotating grooves, 26, rolling grooves, 27, balls, 3, fixed sleeves, 31, clamping rings, 32, progressive grooves, 4, fixed plates, 41, sliding cavities, 42, second limiting blocks, 43, springs, 44, limiting plates, 45, ejector rods, 46, round beads and 5, and observing grooves.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural diagram of a first embodiment of an electric motor with a mechanical overload protection device according to the present utility model; FIG. 2 is a schematic view of the internal structure shown in FIG. 1; FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2; fig. 4 is an enlarged schematic view of a portion B shown in fig. 2. An electric machine with a mechanical overload protection device, comprising: an output shaft 2;
the square groove 21 is formed in one end of the output shaft 2, and a first limiting block 22 is fixedly arranged at one end of the inner side surface of the square groove 21;
the square groove 21 and the square plate 23 are arranged, so that the square plate 23 can be prevented from rotating on the inner side surface of the square groove 21 when the square plate is used, and the fixing rod 24 rotates along with the output shaft 2.
The square plate 23 is slidably connected to the inner side surface of the square groove 21, and a fixing rod 24 is fixedly arranged on one side of the square plate 23;
the rotary groove 25, the rotary groove 25 offer with the lateral surface of output shaft 2, the medial surface of rotary groove 25 is provided with joint circle 31, the lateral surface fixed mounting of joint circle 31 has fixed cover 3, the rolling groove 26 has all been offered to the both sides of joint circle 31 and the both sides of the medial surface of rotary groove 25, the medial surface of rolling groove 26 is provided with ball 27.
The ball 27 rotates on the inner side surface of the rolling groove 26, so that the fixed sleeve 3 is prevented from rotating along with the output shaft 2 when the rotary shaft is used, and the clamping ring 31 is arranged on the inner side surface of the rotating groove 25, so that the fixed sleeve 3 can be prevented from moving and can only rotate when the rotary shaft is used.
The inner side surface of the fixed sleeve 3 is provided with a progressive groove 32.
One end of the output shaft 2 is provided with a motor 1.
The output shaft 2 is connected with the output end of the motor 1, and the motor 1 drives the output shaft 2 to rotate when rotating.
One end of the fixing rod 24 is fixedly provided with a fixing plate 4, and sliding cavities 41 are formed in the two sides of the fixing plate 4.
The second limiting block 42 is fixedly mounted at one end of the inner side face of the sliding cavity 41, the limiting plate 44 is slidably connected to the inner side face of the sliding cavity 41, the ejector rod 45 is fixedly mounted at one side of the limiting plate 44, the ball 46 is fixedly mounted at one end of the ejector rod 45, and the ball 46 is arranged on the inner side face of the progressive groove 32.
The other end of the inner side surface of the sliding cavity 41 is provided with a spring 43, and one end of the spring 43 is arranged on one side of the limiting plate 44.
The working principle of the motor with the mechanical overload protection device provided by the utility model is as follows:
when the device is used, one end of the fixed sleeve 3 is connected with a device which needs to be driven, when the device is used, the motor 1 rotates to drive the output shaft 2 to rotate, at the moment, the square plate 23 is clamped on the inner side surface of the square groove 21 to drive the fixed rod 24 to rotate, at the moment, the fixed rod 24 drives the fixed plate 4 to rotate, the ejector rod 45 and the ball 46 rotate on the inner side surface of the asymptotic groove 32, at the moment, the fixed sleeve 3 is driven to rotate, and because one end of the fixed sleeve 3 rotates on the inner side surface of the rotating groove 25 through the clamping ring 31, the rotation of the output shaft 2 does not influence the rotation of the fixed sleeve 3, and when the positioning rod 45 and the ball 46 rotate, the square plate 23 and the fixed plate 24 slide on the inner side surface of the square groove 21.
Compared with the related art, the motor with the mechanical overload protection device has the following beneficial effects:
through square groove 21, first stopper 22, square board 23, dead lever 24, rotation groove 25, roll groove 26, ball 27 and fixed cover 3 isotructure mutually cooperate, when using, can make fixed cover 3 be in fixed position, can not extend, and the convenience is connected with the device that needs to drive.
Second embodiment
Referring to fig. 5 in combination, a motor with a mechanical overload protection device according to a first embodiment of the present utility model is provided, and a second embodiment of the present utility model proposes another motor with a mechanical overload protection device. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present utility model provides a motor with a mechanical overload protection device, which is different from the motor with a mechanical overload protection device, and the bottom of the output shaft 2 is provided with an observation groove 5.
The working principle of the motor with the mechanical overload protection device provided by the utility model is as follows:
after the motor 1 is started, a user can see the inner side surface of the square groove 21 through the observation groove 5 and then observe the position of the square plate 23 on the inner side surface of the square groove 21, so that the user can judge whether the motor 1 is overloaded or not to cause the position of the fixed plate 4 to move.
Compared with the related art, the motor with the mechanical overload protection device has the following beneficial effects:
the user can observe the position of the square plate 23 on the inner side surface of the square groove 21 through the observation groove 5 when in use, so as to observe whether the position of the fixing plate 4 changes.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. An electric motor with a mechanical overload protection device, comprising:
an output shaft;
the square groove is formed in one end of the output shaft, and a first limiting block is fixedly arranged at one end of the inner side surface of the square groove;
the square plate is connected to the inner side surface of the square groove in a sliding manner, and a fixing rod is fixedly arranged on one side of the square plate;
the rotary groove is formed in the outer side face of the output shaft, a clamping ring is arranged on the inner side face of the rotary groove, a fixing sleeve is fixedly arranged on the outer side face of the clamping ring, rolling grooves are formed in both sides of the clamping ring and both sides of the inner side face of the rotary groove, and balls are arranged on the inner side face of the rolling grooves.
2. The motor with mechanical overload protection device of claim 1, wherein the inner side of the stationary sleeve is provided with a progressive slot.
3. A motor with a mechanical overload protection device according to claim 2, characterised in that the output shaft is provided with a motor at one end.
4. A motor with a mechanical overload protection device according to claim 3, wherein a fixing plate is fixedly installed at one end of the fixing rod, and sliding cavities are formed in the inner parts of two sides of the fixing plate.
5. The motor with mechanical overload protection device according to claim 4, wherein a second limiting block is fixedly installed at one end of the inner side surface of the sliding cavity, a limiting plate is slidably connected to the inner side surface of the sliding cavity, a push rod is fixedly installed at one side of the limiting plate, a ball is fixedly installed at one end of the push rod, and the ball is arranged on the inner side surface of the progressive groove.
6. The motor with mechanical overload protection device according to claim 5, wherein a spring is arranged at the other end of the inner side surface of the sliding cavity, and one end of the spring is arranged at one side of the limiting plate.
7. The motor with mechanical overload protection device of claim 6, wherein the bottom of the output shaft is provided with an observation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320103839.2U CN220173021U (en) | 2023-02-03 | 2023-02-03 | Motor with mechanical overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320103839.2U CN220173021U (en) | 2023-02-03 | 2023-02-03 | Motor with mechanical overload protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220173021U true CN220173021U (en) | 2023-12-12 |
Family
ID=89054450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320103839.2U Active CN220173021U (en) | 2023-02-03 | 2023-02-03 | Motor with mechanical overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220173021U (en) |
-
2023
- 2023-02-03 CN CN202320103839.2U patent/CN220173021U/en active Active
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