CN112134390B - Motor end cover and motor - Google Patents
Motor end cover and motor Download PDFInfo
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- CN112134390B CN112134390B CN202010990789.5A CN202010990789A CN112134390B CN 112134390 B CN112134390 B CN 112134390B CN 202010990789 A CN202010990789 A CN 202010990789A CN 112134390 B CN112134390 B CN 112134390B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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Abstract
The invention relates to the technical field of motors, in particular to a motor end cover and a motor, wherein the motor end cover comprises a base body, a fixing pin and a knocking plate; the base body is disc-shaped, and the lower end of the base body is fixedly connected with a convex disc; a vertical groove is formed in the side surface of the convex disc; the upper end of the base body is provided with two first threaded holes; the first threaded hole is symmetrically arranged, and the first threaded hole is internally threaded and connected with a fixing pin; a hexagon nut is welded at one end of the fixing pin, and two first grooves are formed in the middle of the fixing pin; the first groove is symmetrically arranged, the pressing plate is connected in the first groove in a sliding mode, and a first spring is further arranged in the first groove; according to the motor end cover and the motor end cover in the motor, the knocking plate is abutted to the pressing plate through the second spring and is impacted and matched with the pressing plate after the knocking plate is vibrated, so that the motor end cover cannot be loosened when the motor works, and the practicability and the safety of the motor end cover are improved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor end cover and a motor.
Background
Motors are devices that convert electrical energy into mechanical energy, and are widely used in machinery, metallurgy, petroleum, coal, chemistry, aviation, transportation, agriculture, and other various industries; with the increasing industrial automation degree, various control motors are required to be adopted as elements of an automation system, and the motors are indispensable in the automatic control system of the artificial satellite; in addition, the motor is also widely applied in national defense, culture and education, medical treatment and daily life; the existing motor can generate a large amount of vibration force during working, so that the fixing pieces on the end cover and the end cover are loosened or separated, potential safety hazards are caused, and the practicability and the safety of the end cover are greatly enhanced along with the enhancement of people on the use safety.
The prior art also discloses some technical schemes related to a motor end cover and a motor, for example, a patent with application number CN201610413202.8 discloses a motor end cover, which comprises a circular end cover body and a motor body, wherein the circular end cover body comprises an inner cover body and an outer cover body, the inner cover body and the outer cover body are fixed through a connecting piece on the inner wall of the outer cover body, a gas cavity is arranged between the inner cover body and the outer cover body, a connecting cavity for being sleeved into the motor body is also arranged at the edge position of the inner cover body and the outer cover body, a plurality of screw holes are arranged on the outer cover body, screw grooves corresponding to the screw holes are arranged on the inner wall of the inner cover body, screws penetrate through the outer cover body and the motor body to be fixed with the screw grooves of the inner cover body, a junction box is arranged on the outer cover body, a circuit board and a wiring cable are arranged in the junction box, the technical scheme fixes the outer cover body, the motor body and the inner cover body into a whole through the screws, and avoids the end cover of the screw fixation from loosening or falling off caused by the vibration of the motor, thereby causing safety accidents; but this technical scheme motor vibrations still can drive the screw production and rock and drop to cause the potential safety hazard, and then caused the limitation of this scheme.
In view of this, in order to overcome the above technical problems, the present invention provides a motor end cover and a motor, which adopts a special motor end cover to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the motor end cover provided by the invention has the advantages that the knocking plate is abutted on the pressing plate through the second spring, and the pressing plate is impacted and matched after the knocking plate is vibrated, so that the motor end cover cannot be loosened when the motor works, and the practicability and the safety of the motor end cover are further improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a motor end cover which comprises a base body, a fixing pin and a knocking plate, wherein the base body is provided with a through hole; the base body is disc-shaped, and the lower end of the base body is fixedly connected with a convex disc; a vertical groove is formed in the side surface of the convex disc; the upper end of the base body is provided with two first threaded holes; the first threaded hole is symmetrically arranged, and the first threaded hole is internally threaded and connected with a fixing pin; a hexagon nut is welded at one end of the fixing pin, and two first grooves are formed in the middle of the fixing pin; the first groove is symmetrically arranged, the pressing plate is connected in the first groove in a sliding mode, and a first spring is further arranged in the first groove; one end of the first spring is connected to the bottom of the corresponding first groove, and the other end of the first spring is connected to the corresponding pressure plate; two arc-shaped grooves are formed in the base body; the arc-shaped grooves are symmetrically arranged, one side wall of each arc-shaped groove is communicated with the first threaded hole, and the other side wall of each arc-shaped groove is provided with a second groove; the second groove is connected with the knocking plate in a sliding mode, and a second spring is arranged in the second groove; one end of the second spring is connected to the bottom of the corresponding second groove, and the other end of the second spring is connected to the corresponding knocking plate; when the motor works, the motor works to drive the whole motor to vibrate, and the fixing pin can be loosened after being vibrated for a long time, so that the motor end cover is separated from the motor, and potential safety hazards are further caused; therefore, when the hexagonal nut is attached to the upper end of the base body, the pressing plate can move into the arc-shaped groove, the first groove is internally provided with the first spring, so that the elastic force generated by the first spring when the first spring is pressed acts on the pressing plate, the pressing plate slides along the first groove, so that one end of the pressing plate is abutted against the other side wall of the arc-shaped groove, the other side wall of the arc-shaped groove is provided with a second groove, a second spring is arranged in the second groove, and the knocking plate is connected in the second groove in a sliding manner, so that one end of the knocking plate can be driven by the second spring to abut against one side of the pressing plate; therefore, the knocking plate is abutted to the pressing plate through the second spring and is impacted and matched with the pressing plate after the knocking plate is vibrated, so that the motor end cover cannot be loosened when the motor works, and the practicability and the safety of the motor end cover are improved.
Preferably, the other side wall of each arc-shaped groove is tangent to the first threaded hole; when the motor end cover fixing device works, internal elements of the motor are damaged, a worker needs to take down the motor end cover, one end of the pressing plate is abutted against the other side wall of the arc-shaped groove under the action of the elastic force of the first spring, and when the fixing pin rotates, the pressing plate can be clamped in the arc-shaped groove, so that the fixing pin cannot be taken out, the motor end cover cannot be taken down, and the limitation of the motor end cover is further caused; therefore, the hexagonal nut is screwed by the worker through the wrench, and as the other side wall of the arc-shaped groove is tangent to the first threaded hole, the distance between the other side wall of the arc-shaped groove and the notch of the first groove is smaller and smaller along with the rotation of the fixing pin, so that the pressing plate presses the first groove to slide; according to the motor end cover, the other side wall of the arc-shaped groove is tangent to the first threaded hole, so that the fixing pin is convenient to disassemble and assemble, and the practical application effect of the motor end cover is improved.
Preferably, one end of the pressing plate is provided with a group of convex strips, the number of the convex strips is at least two, and the convex strips are semicircular; a group of concave pits are arranged on the other side wall of the arc-shaped groove; the number of the pits is at least two, the cross section of each pit is semicircular, and a chamfer is arranged at one end, away from the second spring, of each pit; the convex strips correspond to the concave pits one by one after the pressing plate rotates; when the device works, one end of the pressure plate is abutted against the other side wall of the arc-shaped groove by the first spring, and the elasticity of the first spring is limited, so that the extrusion force of the first spring to the pressure plate is limited; therefore, in the invention, one end of the pressing plate is provided with the convex strip, the other side wall of the arc-shaped groove is provided with the concave pit, the convex strip can be abutted in the concave pit by the first spring through the pressing plate, the friction force between the pressing plate and the other side wall of the arc-shaped groove is improved, and the chamfer angle is arranged at the end, far away from the second spring, of the concave pit, so that the friction force between one end of the groove and the pressing plate is reduced in the process that the knocking plate impacts the pressing plate, and the pressing plate drives the fixing pin to be screwed down; according to the motor end cover, the raised strips are abutted in the concave pits through the first springs and are matched with the pressing plate through the striking plate in an impacting manner, so that the stability of the fixing pins is improved, and the application effect of the motor end cover is further improved.
Preferably, a first magnet is embedded in one side of the pressing plate close to the knocking plate; a second magnet is embedded in one end of the knocking plate; the magnetism of the first magnet is the same as that of the second magnet, and flexible layers are respectively adhered to the sides, close to the first magnet and the second magnet, of the first magnet and the second magnet; when the impact plate is used, the impact plate can slide along the second groove after being vibrated, and the sliding amplitude is limited, so that the impact effect on the pressure plate is limited; according to the invention, after the striking plate impacts the pressing plate, the second magnet is embedded at one end of the striking plate, the first magnet is embedded at one side of the pressing plate close to the striking plate, the magnetism of the first magnet is opposite to that of the second magnet, so that the second magnet is repelled with the first magnet, the striking plate slides along the second groove under the action of magnetic force, the second spring is extruded, the second spring generates elasticity after being pressed, the second spring transmits the elasticity to the striking plate, the striking plate impacts the pressing plate under the action of the elasticity, and the first magnet and the second magnet are not damaged after being impacted by the flexible layers respectively adhered to the sides of the first magnet close to the second magnet; according to the invention, the first magnet and the second magnet generate repulsion action and are matched with the knocking plate under the action of elasticity generated by the second spring, so that the shaking range of the knocking plate is increased, and the effect of impacting the pressing plate by the knocking plate is improved.
Preferably, a cavity is arranged inside the knocking plate, and a guide rope is fixedly connected between two side walls of the cavity; the guide rope is connected with a group of balls in a sliding way; at least two balls are arranged; when the device works, the mass of the knocking plate is limited, so that the knocking plate has limited impact force on the pressing plate after being vibrated; therefore, in the process that the striking plate impacts the pressing plate, the cavity is formed in the striking plate, the guide rope is fixedly connected between the two side walls of the cavity, and the round ball is connected with the round ball in a sliding mode on the guide rope, so that the round ball can slide to one end of the guide rope along the guide rope, when the striking plate collides with the pressing plate, the round ball can slide to the other end from one end of the guide rope due to the inertia effect, and the round ball drives one end of the striking plate to impact the pressing plate for the second time; according to the invention, the knocking plate drives the round ball to slide along the guide rope, and meanwhile, the knocking plate is matched with the pressing plate under the elastic action of the second spring, so that the effect of impacting the pressing plate by the knocking plate is improved.
A motor is suitable for the motor end cover and comprises a motor end cover, a motor shell, a stator, a rotor and a bearing; the motor shell is cup-shaped; one end of the motor shell is provided with two second threaded holes; each second threaded hole corresponds to the first threaded hole, the thread specification of the second threaded hole is consistent with that of the first threaded hole, the inner diameter of the motor shell is the same as the outer diameter of the convex disc, and a circular groove is formed in the inner wall, in contact with the convex disc, of the motor shell; the circular groove corresponds to the vertical groove after the motor end cover is arranged on the motor shell; a flexible ball is embedded in the circular groove; through propping the flexible ball in the circular slot in erecting the inslot, improved the stability that the motor end cover was installed on the motor casing, fixed pin threaded connection cooperatees in No. two screw holes again simultaneously to the security of motor work has been strengthened.
The invention has the following beneficial effects:
1. according to the motor end cover disclosed by the invention, the knocking plate is abutted on the pressing plate through the second spring and is impacted and matched with the pressing plate after the knocking plate is vibrated, so that the motor end cover cannot be loosened when the motor works, and the practicability and the safety of the motor end cover are further improved.
2. According to the motor end cover disclosed by the invention, the other side wall of the arc-shaped groove is tangent to the first threaded hole, so that the fixing pin is convenient to disassemble and install, and the practical application effect of the motor end cover is improved.
3. According to the motor end cover disclosed by the invention, the raised strips are abutted in the pits through the springs and are in collision fit with the pressing plate through the knocking plate, so that the stability of the fixing pin is improved, and the application effect of the motor end cover is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of a motor end cap of the present invention;
FIG. 2 is a view of the internal structure of the arcuate slot in the end cap of the motor of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a view of the motor end cover of the present invention with the pressing plate against the other side wall of the arc-shaped slot;
fig. 5 is an internal structural view of a striking plate in the motor end cover of the present invention;
FIG. 6 is an exploded view of the motor of the present invention;
FIG. 7 is an enlarged view at B in FIG. 6;
in the figure: the motor comprises a base body 1, a first threaded hole 11, a fixing pin 2, a hexagon nut 21, a first groove 22, a knocking plate 3, a second magnet 31, a flexible layer 32, a cavity 33, a guide rope 34, a ball 35, a convex disc 4, a vertical groove 41, a pressing plate 5, a first spring 51, a convex strip 52, a first magnet 53, an arc-shaped groove 6, a second groove 61, a second spring 62, a concave pit 63, a motor shell 7, a second threaded hole 71, a circular groove 72, a flexible ball 73, a stator 8, a rotor 9 and a bearing 91.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the motor end cover according to the present invention includes a base 1, a fixing pin 2, and a knock plate 3; the base body 1 is disc-shaped, and the lower end of the base body 1 is fixedly connected with a convex disc 4; a vertical groove 41 is formed in the side surface of the convex disc 4; the upper end of the base body 1 is provided with two first threaded holes 11; the first threaded holes 11 are symmetrically arranged, and the first threaded holes 11 are connected with the fixing pins 2 in an internal thread mode; a hexagon nut 21 is welded at one end of the fixing pin 2, and two first grooves 22 are formed in the middle of the fixing pin 2; the first groove 22 is symmetrically arranged, the first groove 22 is connected with the pressing plate 5 in a sliding mode, and a first spring 51 is further arranged in the first groove 22; one end of the first spring 51 is connected to the bottom of the corresponding first groove 22, and the other end of the first spring 51 is connected to the corresponding pressure plate 5; two arc-shaped grooves 6 are arranged in the base body 1; the arc-shaped grooves 6 are symmetrically arranged, one side wall of each arc-shaped groove 6 is communicated with the first threaded hole 11, and the other side wall of each arc-shaped groove 6 is provided with a second groove 61; the knocking plate 3 is connected in the second groove 61 in a sliding mode, and a second spring 62 is arranged in the second groove 61; one end of the second spring 62 is connected to the bottom of the corresponding second groove 61, and the other end is connected to the corresponding striking plate 3; when the motor works, the whole motor is driven to vibrate by the motor, and the fixing pin 2 can be loosened after being vibrated for a long time, so that the motor end cover is separated from the motor, and further potential safety hazards are caused; therefore, the invention worker fixes the base 1 on the motor casing 7, then screws the fixing pin 2 into the first threaded hole 11, because the middle part of the fixing pin 2 is provided with the two first grooves 22, the first groove 22 is connected with the pressing plate 5 in a sliding way, the worker firstly slides the pressing plate 5 along the first grooves 22 until the pressing plate 5 slides into the first grooves 22, so that the pressing plate 5 can not obstruct the fixing pin 2 from rotating, because one end of the fixing pin 2 is welded with the hexagon nut 21, the hexagon nut 21 is screwed to the upper end of the base 1 through a spanner, because the fixing pin 2 is provided with the thread, the motor casing 7 and the base 1 are fixed through the other end of the fixing pin 2, because the base 1 is provided with the two arc-shaped grooves 6, the arc-shaped grooves 6 are symmetrically arranged, and simultaneously, one side wall of the arc-shaped groove 6 is communicated with the first threaded hole 11, when the hexagon nut 21 is attached to the upper end of the base 1, the pressing plate 5 will move into the arc-shaped groove 6, because the first groove 22 is provided with the first spring 51, the pressing plate 5 is acted by the elastic force generated by the compression of the first spring 51, so that the pressing plate 5 slides along the first groove 22, so that one end of the pressing plate 5 is abutted against the other side wall of the arc-shaped groove 6, because the other side wall of the arc-shaped groove 6 is provided with the second groove 61, the second groove 61 is internally provided with the second spring 62, the knocking plate 3 is connected in the second groove 61 in a sliding way, the second spring 62 drives one end of the knocking plate 3 to abut against one side of the pressing plate 5, when the motor works, the knocking plate 3 is vibrated, so that the knocking plate 3 slides along the second groove 61, thereby leading the knocking plate 3 to impact one side of the pressing plate 5, leading the pressing plate 5 to drive the fixing pin 2 to rotate after being impacted, therefore, the fixing pin 2 is screwed, and the base body 1 cannot be loosened after being screwed by the fixing pin 2; therefore, the striking plate 3 is abutted against the pressing plate 5 through the second spring 62, and the striking plate 3 impacts and cooperates with the pressing plate 5 after being vibrated, so that the motor end cover cannot be loosened when the motor works, and the practicability and the safety of the motor end cover are improved.
As an embodiment of the invention, the other side wall of each arc-shaped groove 6 is tangent to the first threaded hole 11; when the motor end cover is in work, internal elements of the motor are damaged, a worker needs to take down the motor end cover, one end of the pressing plate 5 is abutted against the other side wall of the arc-shaped groove 6 under the action of the elastic force of the first spring 51, and when the fixing pin 2 rotates, the pressing plate 5 can be clamped in the arc-shaped groove 6, so that the fixing pin 2 cannot be taken out, the motor end cover cannot be taken down, and the limitation of the motor end cover is further caused; therefore, according to the invention, a worker twists the hexagon nut 21 through a wrench, because the other side wall of the arc-shaped groove 6 is tangent to the first threaded hole 11, as the fixing pin 2 rotates, the distance between the other side wall of the arc-shaped groove 6 and the notch of the first groove 22 is smaller and smaller, so that the pressing plate 5 presses the first groove 22 to slide, when the distance between the other side wall of the arc-shaped groove 6 and the notch of the first groove 22 is zero, the pressing plate 5 can slide into the first groove 22, at the moment, the pressing plate 5 cannot block the fixing pin 2 from rotating, so that the worker twists the fixing pin 2 to be far away from the motor shell 7, and further takes down the motor end cover; according to the invention, the other side wall of the arc-shaped groove 6 is tangent to the first threaded hole 11, so that the fixing pin 2 is convenient to disassemble and assemble, and the practical application effect of the motor end cover is improved.
As an embodiment of the present invention, one end of the pressing plate 5 is provided with a set of convex strips 52, at least two convex strips 52 are provided, and the convex strips 52 are semicircular; a group of concave pits 63 are arranged on the other side wall of the arc-shaped groove 6; at least two pits 63 are formed, the cross section of each pit 63 is semicircular, and a chamfer is formed at one end, far away from the second spring 62, of each pit 63; the convex strips 52 correspond to the concave pits 63 one by one after the pressing plate 5 rotates; when the device works, one end of the pressure plate 5 is abutted against the other side wall of the arc-shaped groove 6 by the first spring 51, and the elasticity of the first spring 51 is limited, so that the extrusion degree of the first spring 51 to the pressure plate 5 is limited; therefore, one end of the pressing plate 5 is provided with the convex strip 52, the other side wall of the arc-shaped groove 6 is provided with the concave pit 63, the convex strip 52 can be abutted into the concave pit 63 through the pressing plate 5 by the first spring 51, the friction force between the pressing plate 5 and the other side wall of the arc-shaped groove 6 is improved, and the chamfer angle is arranged at the end, far away from the second spring 62, of the concave pit 63, so that the friction force between one end of the groove and the pressing plate 5 is reduced in the process that the knocking plate 3 impacts the pressing plate 5, and the pressing plate 5 drives the fixing pin 2 to be screwed tightly; according to the invention, the convex strips 52 are abutted in the concave pits 63 through the first springs 51 to be matched with the pressing plate 5 through the striking plate 3 in an impacting manner, so that the stability of the fixing pin 2 is improved, and the application effect of the motor end cover is further improved.
As an embodiment of the invention, a first magnet 53 is embedded on one side of the pressing plate 5 close to the striking plate 3; a second magnet 31 is embedded in one end of the knocking plate 3; the magnetism of the first magnet 53 is the same as that of the second magnet 31, and the flexible layers 32 are respectively adhered to the sides, close to the first magnet 53 and the second magnet 31; when in use, the knocking plate 3 can slide along the second groove 61 after being vibrated, and the sliding amplitude is limited, so that the impact effect on the pressing plate 5 is limited; therefore, after the pressing plate 5 is impacted by the knocking plate 3, the second magnet 31 is embedded at one end of the knocking plate 3, the first magnet 53 is embedded at one side of the pressing plate 5 close to the knocking plate 3, the magnetism of the first magnet 53 is opposite to that of the second magnet 31, so that the second magnet 31 is repelled with the first magnet 53, the knocking plate 3 slides along the second groove 61 under the action of magnetic force, the second spring 62 is extruded, the second spring 62 generates elasticity after being pressed, the second spring 62 transmits the elasticity to the knocking plate 3, the knocking plate 3 impacts the pressing plate 5 under the action of the elasticity, and the flexible layers 32 are respectively adhered to one sides of the first magnet 53 close to the second magnet 31, so that the first magnet 53 and the second magnet 31 cannot be damaged after being impacted; according to the invention, the first magnet 53 and the second magnet 31 generate repulsion, and are matched with the striking plate 3 under the action of the elasticity generated by the second spring 62, so that the shaking range of the striking plate 3 is increased, and the effect of the striking plate 3 impacting the pressing plate 5 is improved.
As an embodiment of the present invention, a cavity 33 is disposed inside the striking plate 3, and a guide rope 34 is fixedly connected between two side walls of the cavity 33; the guide rope 34 is connected with a group of round balls 35 in a sliding way; at least two balls 35 are arranged; when the device works, the mass of the knocking plate 3 is limited, so that the knocking plate 3 has limited impact force on the pressing plate 5 after being vibrated; therefore, in the process that the striking plate 3 impacts the pressing plate 5, the cavity 33 is formed in the striking plate 3, the guide rope 34 is fixedly connected between two side walls of the cavity 33, and the round ball 35 is slidably connected to the guide rope 34, so that the round ball 35 can slide to one end of the guide rope 34 along the guide rope 34, when the striking plate 3 collides with the pressing plate 5, the round ball 35 can slide to the other end from one end of the guide rope 34 due to the inertia effect, and the round ball 35 drives one end of the striking plate 3 to impact the pressing plate 5 for the second time; according to the invention, the striking plate 3 drives the round ball 35 to slide along the guide rope 34, and meanwhile, the striking plate 3 is matched with the second spring 62 under the elastic action, so that the effect of striking the pressing plate 5 by the striking plate 3 is improved.
A motor, which is suitable for the motor end cover, comprises a motor end cover, a motor shell 7, a stator 8, a rotor 9 and a bearing 91; the motor casing 7 is cup-shaped; one end of the motor shell 7 is provided with two second threaded holes 71; each second threaded hole 71 corresponds to the first threaded hole 11, the thread specification of the second threaded hole 71 is consistent with that of the first threaded hole 11, the inner diameter of the motor shell 7 is the same as the outer diameter of the convex disc 4, and a circular groove 72 is formed in the inner wall, in contact with the convex disc 4, of the motor shell 7; the circular groove 72 corresponds to the vertical groove 41 after the motor end cover is arranged on the motor shell 7; a flexible ball 73 is embedded in the circular groove 72; through supporting the flexible ball 73 in the circular slot 72 in erecting groove 41, improved the stability of motor end cover installation on motor casing 7, fixed pin 2 threaded connection cooperatees in No. two screw holes 71 again simultaneously to the security of motor work has been strengthened.
When the motor works, a worker fixes the base body 1 on the motor shell 7 and then screws the fixing pin 2 into the first threaded hole 11, because the middle part of the fixing pin 2 is provided with the two first grooves 22, the pressing plate 5 is connected in the first groove 22 in a sliding manner, the worker firstly slides the pressing plate 5 along the first grooves 22 until the pressing plate 5 slides into the first groove 22, so that the pressing plate 5 can not obstruct the fixing pin 2 from rotating, because one end of the fixing pin 2 is welded with the hexagon nut 21, the hexagon nut 21 is screwed to the upper end of the base body 1 through a spanner, because the other end of the fixing pin 2 is provided with threads, the motor shell 7 and the base body 1 are fixed through the other end of the fixing pin 2, because the two arc-shaped grooves 6 are arranged in the base body 1, the arc-shaped grooves 6 are symmetrically arranged, and simultaneously one side wall of the arc-shaped groove 6 is communicated with the first threaded hole 11, when the hexagon nut 21 is attached to the upper end of the base body 1, the pressing plate 5 can move into the arc-shaped groove 6, and the first spring 51 is arranged in the first groove 22, so that the pressing plate 5 is acted by the elastic force generated by the compression of the first spring 51, the pressing plate 5 slides along the first groove 22, and one end of the pressing plate 5 is abutted against the other side wall of the arc-shaped groove 6; the convex strip 52 is arranged at one end of the pressing plate 5, the concave pit 63 is arranged on the other side wall of the arc-shaped groove 6, the convex strip 52 can be abutted in the concave pit 63 through the pressing plate 5 by the first spring 51, the friction force between the pressing plate 5 and the other side wall of the arc-shaped groove 6 is improved, the second groove 61 is arranged on the other side wall of the arc-shaped groove 6, the second spring 62 is arranged in the second groove 61, the knocking plate 3 is connected in the second groove 61 in a sliding manner, so that the second spring 62 can drive one end of the knocking plate 3 to abut against one side of the pressing plate 5, when the motor works, the knocking plate 3 is vibrated, the knocking plate 3 slides along the second groove 61, so that the knocking plate 3 impacts one side of the pressing plate 5, the second magnet 31 is embedded at one end of the knocking plate 3, the first magnet 53 is embedded at one side of the pressing plate 5 close to the pressing plate 3, the magnetism of the first magnet 53 is opposite to that the second magnet 31 is repelled to the first magnet 53, the striking plate 3 slides along the second groove 61 under the action of magnetic force, so that the second spring 62 is extruded, the second spring 62 generates elastic force after being pressed, the second spring 62 transmits the elastic force to the striking plate 3, the striking plate 3 impacts the pressing plate 5 under the action of the elastic force, and the first magnet 53 and the second magnet 31 cannot be damaged after being impacted by adhering the flexible layer 32 to one side of the first magnet 53 close to the second magnet 31; in the process that the striking plate 3 strikes the pressing plate 5, as the cavity 33 is arranged inside the striking plate 3, the guide rope 34 is fixedly connected between two side walls of the cavity 33, and the round ball 35 is slidably connected with the guide rope 34, the round ball 35 can slide to one end of the guide rope 34 along the guide rope 34, and when the striking plate 3 collides with the pressing plate 5, the round ball 35 can slide to the other end from one end of the guide rope 34 due to the inertia effect, so that the round ball 35 drives one end of the striking plate 3 to perform secondary impact on the pressing plate 5; the pressing plate 5 can drive the fixing pin 2 to rotate after being impacted; the chamfer is arranged at one end of the pit 63, which is far away from the second spring 62, so that the friction force between one end of the groove and the pressure plate 5 is reduced in the process that the knocking plate 3 impacts the pressure plate 5, the fixing pin 2 is screwed, and the base body 1 cannot be loosened after being screwed by the fixing pin 2; if the internal component of motor appears damaging, need take off the motor end cover, the staff twists through the spanner and moves hexagon nut 21, it is tangent with a screw hole 11 because of another lateral wall of arc wall 6, along with fixed pin 2 rotates, another lateral wall of arc wall 6 and the distance of a recess 22 notch are littleer and littleer, thereby make clamp plate 5 press a recess 22 and slide, another lateral wall and the notch distance of a recess 22 when arc wall 6 are zero, inside clamp plate 5 can slide to a recess 22, clamp plate 5 can not hinder fixed pin 2 and rotate this moment, thereby make the staff twist fixed pin 2 and keep away from motor casing 7, and then take off the motor end cover.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims; the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A motor end cover is characterized in that: comprises a base body (1), a fixing pin (2) and a knocking plate (3); the base body (1) is disc-shaped, and the lower end of the base body (1) is fixedly connected with a convex disc (4); a vertical groove (41) is formed in the side surface of the convex disc (4); the upper end of the base body (1) is provided with two first threaded holes (11); the first threaded holes (11) are symmetrically arranged, and the first threaded holes (11) are connected with the fixing pins (2) in an internal thread mode; a hexagonal nut (21) is welded at one end of the fixing pin (2), and two first grooves (22) are formed in the middle of the fixing pin (2); the first grooves (22) are symmetrically arranged, the first grooves (22) are connected with the pressure plate (5) in a sliding mode, and first springs (51) are further arranged in the first grooves (22); one end of each first spring (51) is connected to the bottom of the corresponding first groove (22), and the other end of each first spring (51) is connected to the corresponding pressure plate (5); two arc-shaped grooves (6) are arranged in the base body (1); the arc-shaped grooves (6) are symmetrically arranged, one side wall of each arc-shaped groove (6) is communicated with the first threaded hole (11), and the other side wall of each arc-shaped groove (6) is provided with a second groove (61); the knocking plate (3) is connected in the second groove (61) in a sliding mode, and a second spring (62) is arranged in the second groove (61); one end of each second spring (62) is connected to the bottom of the corresponding second groove (61), and the other end of each second spring is connected to the corresponding knocking plate (3); the other side wall of each arc-shaped groove (6) is tangent to the first threaded hole (11).
2. A motor end cap in accordance with claim 1, wherein: one end of the pressing plate (5) is provided with a group of convex strips (52), at least two convex strips (52) are arranged, and the convex strips (52) are semicircular; a group of concave pits (63) are arranged on the other side wall of the arc-shaped groove (6); the number of the concave pits (63) is at least two, the cross section of each concave pit (63) is semicircular, and a chamfer is arranged at one end, away from the second spring (62), of each concave pit (63); the convex strips (52) correspond to the concave pits (63) one by one after the pressing plate (5) rotates.
3. A motor end cap in accordance with claim 2, wherein: a first magnet (53) is embedded in one side of the pressing plate (5) close to the knocking plate (3); a second magnet (31) is embedded in one end of the knocking plate (3); the magnetism of the first magnet (53) is the same as that of the second magnet (31), and flexible layers (32) are respectively adhered to the sides, close to the first magnet (53) and the second magnet (31).
4. A motor end cap according to claim 3, wherein: a cavity (33) is arranged inside the knocking plate (3), and a guide rope (34) is fixedly connected between two side walls of the cavity (33); the guide rope (34) is connected with a group of round balls (35) in a sliding way; the number of the round balls (35) is at least two.
5. An electric machine characterized by: the motor is suitable for the motor end cover of any one of claims 1-4, and comprises a motor shell (7), a stator (8), a rotor (9) and a bearing (91); the motor shell (7) is cup-shaped; one end of the motor shell (7) is provided with two second threaded holes (71); each second threaded hole (71) corresponds to the first threaded hole (11), the thread specification of the second threaded hole (71) is consistent with that of the first threaded hole (11), the inner diameter of the motor shell (7) is the same as the outer diameter of the convex disc (4), and a circular groove (72) is formed in the inner wall, in contact with the convex disc (4), of the motor shell (7); the circular groove (72) corresponds to the vertical groove (41) after the motor end cover is arranged on the motor shell (7); a flexible ball (73) is embedded in the circular groove (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990789.5A CN112134390B (en) | 2020-09-19 | 2020-09-19 | Motor end cover and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990789.5A CN112134390B (en) | 2020-09-19 | 2020-09-19 | Motor end cover and motor |
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| Publication Number | Publication Date |
|---|---|
| CN112134390A CN112134390A (en) | 2020-12-25 |
| CN112134390B true CN112134390B (en) | 2021-09-10 |
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| CN202010990789.5A Active CN112134390B (en) | 2020-09-19 | 2020-09-19 | Motor end cover and motor |
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| CN (1) | CN112134390B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890462Y (en) * | 2006-05-19 | 2007-04-18 | 佛山自生电力配件制造有限公司 | Improved structure of anti-theft screw nut |
| CN201696432U (en) * | 2010-02-26 | 2011-01-05 | 卢军 | Anti-disassembly bolt |
| CN204497883U (en) * | 2015-03-20 | 2015-07-22 | 中山大洋电机制造有限公司 | A kind of motor of stretch end cap and application thereof |
| CN106050882A (en) * | 2016-07-20 | 2016-10-26 | 嘉兴新亚汽车零部件有限公司 | Nut with good anti-loose effect |
| CN206522330U (en) * | 2017-03-07 | 2017-09-26 | 吉安大禾工业机械制造有限公司 | A kind of locking riveted nut |
| CN210637346U (en) * | 2019-07-25 | 2020-05-29 | 海盐宏合标准件有限公司 | Multifunctional bolt assembly |
| CN211009526U (en) * | 2019-11-20 | 2020-07-14 | 湘潭方舟机械有限公司 | Bolt with shockproof function |
| CN211089303U (en) * | 2019-12-20 | 2020-07-24 | 南京南微电机有限公司 | Three-phase asynchronous motor |
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Effective date of registration: 20230627 Address after: 411100 Building 2, No. 15, Jianxin Group, Xinzao Village, Shuangma Street, High tech Zone, Xiangtan City, Hunan Province Patentee after: Hunan Ziyang Electromechanical Equipment Co.,Ltd. Address before: No. 265, District B, Cangshan village, Songmen Town, Wenling City, Taizhou City, Zhejiang Province, 317500 Patentee before: Hu Zhenghui |
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