CN112701831B

CN112701831B - Safe and be convenient for motor of deashing

Info

Publication number: CN112701831B
Application number: CN202110108371.1A
Authority: CN
Inventors: 俞杰
Original assignee: Lu'an Dachuan Motor Co ltd
Current assignee: Lu'an Dachuan Motor Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-22
Anticipated expiration: 2041-01-27
Also published as: CN112701831A

Abstract

The invention relates to a safe and easy-to-clean motor, which comprises a front end cover, a shell, a rear end cover and a protective cover which are sequentially arranged, wherein the protective cover comprises stop rods which are circumferentially arranged at intervals; one side of the rear end cover, which faces the protective cover, is circumferentially provided with strip notches at intervals for the lock rods to pass through, circular grooves which are respectively communicated with the strip notches are circumferentially arranged at intervals in the rear end cover, the bottom of each circular groove is provided with an avoidance cavity for avoiding the gear, the periphery of the rear end cover is coaxially provided with a circular groove, the circular groove is communicated with the avoidance cavity, a driving ring is coaxially and rotatably arranged in the circular groove, and the inner side of the driving ring is provided with driving teeth which are meshed with the gear; but quick assembly disassembly's safety cover after the motor outage to guarantee the security when dismouting, be convenient for the deashing of motor simultaneously, reduce motor down time.

Description

Safe and be convenient for motor of deashing

Technical Field

The invention relates to the technical field of motors, in particular to a motor which is safe and convenient for ash removal.

Background

The motor is mainly used for generating driving torque and is used as a power source of electrical appliances or various machines.

The existing motor comprises a shell, a stator and a rotor are arranged in the shell, two ends of the rotor respectively extend out of the shell, one end of the rotor is used for fixing a heat dissipation fan, a protective cover is arranged on the shell, and the protective cover covers the heat dissipation fan.

The above prior art solutions have the following drawbacks:

after the motor uses a period, the deposition in the safety cover causes the decline of radiating effect, and the screw between safety cover and the casing is all demolishd and is cleaned this moment, and then both are fixed to the rethread screw, and the deashing efficiency is lower, has taken the operating time of motor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the motor which is safe and convenient for ash removal, and the protective cover can be quickly disassembled and assembled after the motor is powered off, so that the safety during disassembly and assembly is ensured, the ash removal of the motor is facilitated, and the motor downtime is reduced.

The above object of the present invention is achieved by the following technical solutions:

a safe and convenient-to-clean motor comprises a front end cover, a shell and a rear end cover which are sequentially arranged, wherein the rear end cover is provided with a protective cover,

the protective cover comprises stop rods arranged at intervals in the circumferential direction, one ends of the stop rods are vertically arranged on the rear end cover, the other ends of the stop rods are bent to be mutually connected and fixed, locking rods are vertically arranged at one ends of the stop rods facing the rear end cover, the locking rods rotate around the axes of the stop rods, and gears coaxial with the stop rods are arranged on one sides of the locking rods departing from the stop rods;

the rear end cap offers the rectangular notch that supplies the locking lever to pass through towards one side circumference interval of safety cover, just circumference interval offers the circular slot that communicates with rectangular notch respectively in the rear end cap, the chamber of dodging that is used for dodging the gear is offered to the bottom of circular slot, the annular has been seted up to the periphery of rear end cap is coaxial, the annular with dodge the chamber intercommunication, just coaxial rotation is provided with the drive ring in the annular, the inboard of drive ring is provided with the drive tooth with gear engagement.

The present invention in a preferred example may be further configured to: the inner wall of casing just extends along its axis direction and is provided with the stripper bar, the stripper bar slides along the axis direction of casing and sets up, set up the logical groove that supplies the stripper bar to peg graft on the rear end cap, lead to groove and annular intercommunication setting, still be provided with the power pack that the drive stripper bar removed in the casing.

The present invention in a preferred example may be further configured to: one side of the driving ring facing the shell is circumferentially provided with triangular grooves at intervals, and one end of the extrusion rod facing the rear end cover is provided with a triangular block matched with the triangular grooves.

The present invention in a preferred example may be further configured to: the limiting rod is arranged on the extrusion rod and radially extends along the shell, a limiting groove is formed in the shell and is formed in the axis direction of the shell, the limiting rod is embedded in the limiting groove in a sliding mode, the limiting rod penetrates through the limiting groove, a roller is arranged at one end of the limiting rod, and the roller is in rolling butt joint with the outer side of the shell.

The present invention in a preferred example may be further configured to: the power unit comprises an extrusion rod, a rotor and a power connection box are arranged in the shell, a first connection portion electrically connected with the rotor and a second connection portion used for power connection are arranged in the power connection box, the power unit comprises an electromagnet connected between the first connection portion and the second connection portion in series, and a permanent magnet repellent to the electromagnet is fixed at one end, away from the rear end cover, of the extrusion rod.

The present invention in a preferred example may be further configured to: the power unit further comprises a tension spring fixed between the power supply connecting box and the extrusion rod, and the tension spring has a tendency of pulling the extrusion rod to move towards the power supply connecting box.

The present invention in a preferred example may be further configured to: the middle of the lock rod is provided with a rotating groove which is rotatably inserted into one end of the stop lever, the inner side of the rotating groove is provided with a fixed sheet along the radial extension of the rotating groove, the end part of the stop lever is provided with an avoiding arc groove for the fixed sheet to rotate around the stop lever relatively, and a thrust spring is arranged in the avoiding arc groove.

The present invention in a preferred example may be further configured to: the one end that the pin stretched into the swivelling chute is coaxial to be provided with the bearing, be provided with the fender ring that is used for blockking the bearing and breaks away from in the swivelling chute.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the driving ring can synchronously drive all the lock rods to rotate, so that the connection between the protective cover and the rear end cover is quickly unlocked, and the protective cover is convenient to remove to realize the purpose of quickly cleaning ash;

2. the connecting structure between the lock rod and the stop rod enables the lock rod to be aligned with the long-strip notch quickly, and the protective cover is further convenient to disassemble and assemble;

3. the movement of the lock rod can realize the stable control of the rotation of the driving ring, and the installation stability of the protective cover is ensured;

4. the power unit is arranged to automatically control the movement of the locking bar.

Drawings

FIG. 1 is a schematic view of a motor assembly for safely and easily cleaning ash;

FIG. 2 is a schematic half-section view of the rear end cap assembled with the boot;

FIG. 3 is an enlarged schematic view at B in FIG. 2 for embodying an assembling structure of the drive ring and the lock lever;

FIG. 4 is a schematic view of a locking lever and stop lever mounting arrangement;

FIG. 5 is a schematic view for showing a structure for connecting a power connection box with a pressing rod in a housing;

fig. 6 is a schematic view of an assembling structure of the stopper rod and the housing.

In the figure, 1, a front end cover; 2. a housing; 21. a limiting groove; 3. a rear end cap; 31. a strip slot; 32. a circular groove; 33. an avoidance cavity; 34. a ring groove; 35. a through groove; 4. a protective cover; 41. a stop lever; 42. avoiding an arc groove; 43. a bearing; 5. a lock lever; 51. a rotating tank; 52. a fixing sheet; 53. a thrust spring; 54. a baffle ring; 55. a gear; 6. a drive ring; 61. a drive tooth; 62. a triangular groove; 7. a power connection box; 71. a first connection portion; 72. a second connecting portion; 8. a power unit; 81. an electromagnet; 82. a permanent magnet; 83. a tension spring; 9. an extrusion stem; 91. a triangular block; 92. a limiting rod; 93. and a roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, a motor of ash of being convenient for safely just, including front end housing 1, casing 2 and the rear end cap 3 that sets gradually, the coaxial stator that is fixed with in casing 2, the coaxial rotor that is provided with in the stator, the both ends of rotor rotate and pass front end housing 1 and rear end cap 3, stretch out the coaxial fan that is fixed with of one end of rear end cap 3 at the rotor, demountable installation has safety cover 4 on rear end cap 3.

Referring to fig. 2 and 3, the casing 2 and the rear end cover 3 are fixedly connected at intervals in the circumferential direction by bolts, one side of the rear end cover 3, which is away from the casing 2, is provided with long notches 31 at intervals in the circumferential direction, the long notches 31 are all arranged in a manner of extending along the radial direction of the rear end cover 3, a circular groove 32 is further formed in the long notch 31, the diameter of the circular groove 32 is equal to the length of the long notch 31, the protective cover 4 comprises stop rods 41 at intervals in the circumferential direction, one end, away from the rear end cover 3, of each stop rod 41 is bent towards the center of the rear end cover 3 and is fixedly connected after being converged to a point, the other end is perpendicular to the rear end cover 3, a lock rod 5 is rotatably installed at the end, the lock rod 5 is perpendicular to the stop rods 41 and rotates around the axis of the stop rods 41, and the length of the lock rod 5 is equal to the length of the long notch 31;

when the protective cover 4 is installed on the rear end cover 3, firstly, the lock rods 5 are rotated to enable each lock rod 5 to be aligned with one of the strip notches 31 respectively, then, the lock rods 5 are sent into the circular grooves 32, and then, the lock rods 5 are rotated to enable the lock rods 5 to be staggered with the strip notches 31 which pass through, so that the protective cover 4 is fixed on the rear end cover 3; conversely, when the lock bar 5 is aligned with the elongated notch 31, the protective cover 4 can be removed from the rear cover 3.

Wherein, a gear 55 is integrally arranged on one side of the lock rod 5 departing from the stop lever 41, a circular groove 32 for accommodating the gear 55 to rotate is arranged on the rear end cover 3, a circular groove 34 is coaxially arranged on the periphery of the rear end cover 3, the circular groove 34 is communicated with the circular groove 32, a driving ring 6 is coaxially embedded in the circular groove 34, driving teeth 61 are circumferentially arranged at intervals on the inner side of the driving ring 6, and the driving teeth 61 are meshed with the gear 55; by rotating the driving ring 6, the gear 55 is rotated, and then all the lock rods 5 are synchronously driven to rotate, so that the purpose of quickly disassembling and assembling the protective cover 4 is realized.

Because the motor can vibrate in the actual working process to cause the rotation of the driving ring 6, a control unit for controlling the locking of the driving ring 6 is also arranged in the shell 2, the control unit comprises an extrusion rod 9 arranged at the inner side of the shell 2, the extrusion rod 9 extends along the axial direction of the shell 2 and is arranged in a sliding way, meanwhile, a through groove 35 is arranged on the rear end cover 3, the through groove 35 is aligned with the end part of the extrusion rod 9, and the through groove 35 is communicated with the annular groove 34; when the pressing rod 9 passes through the through groove 35 and enters the annular groove 34, the pressing rod 9 and the driving ring 6 are pressed, so that the driving ring 6 is kept fixed, namely, the purpose of fixing the lock rod 5 is realized, and the installation stability of the protective cover 4 is ensured.

Referring to fig. 5 and 6, a limiting rod 92 extends from the lower side of the extrusion rod 9, the limiting rod 92 is perpendicular to the extrusion rod 9, a limiting groove 21 is formed in the housing 2, the limiting groove 21 extends along the axial direction of the housing 2, the limiting rod 92 passes through the limiting groove 21 and slides along the length direction of the limiting groove 21, a roller 93 is mounted at one end of the limiting rod 92, which extends out of the limiting groove 21, the roller 93 is in rolling contact with the outer side of the housing 2, the stability of the sliding direction of the extrusion rod 9 is ensured by the matching of the limiting rod 92 and the limiting groove 21, a triangular block 91 is arranged at one end of the extrusion rod 9, which faces the rear end cover 3, and a triangular groove 62 is circumferentially spaced from one side of the driving ring 6, which faces the housing 2; when the end of the pressing rod 9 passes through the through groove 35, the triangular block 91 is matched with the triangular groove 62 in an embedded mode, the stability of locking the driving ring 6 to rotate is further improved, and the stability of installing the protective cover 4 is further guaranteed.

A power supply connection box 7 and a power unit 8 for automatically driving the extrusion rod 9 to slide are further installed in the shell 2, the power supply connection box 7 is located between the stator and the rear end cover 3, a first connection portion 71 and a second connection portion 72 are further installed in the power supply connection box 7, the first connection portion 71 is electrically connected with the rotor, the second connection portion 72 is used for being connected with an external power supply, the power unit 8 comprises an electromagnet 81 electrically connected with the first connection portion 71 and the second connection portion 72, one end of the extrusion rod 9 faces the power supply connection box 7, and a permanent magnet 82 is fixed at the end; after the second connecting portion 72 is electrically communicated with an external power supply, the electromagnet 81 is electrified to form a magnetic field, the electromagnet 81 generates a repulsive force to the permanent magnet 82, the pressing rod 9 moves towards the rear end cover 3, and the pressing fit between the pressing rod 9 and the driving ring 6 is realized.

The power unit 8 further comprises a tension spring 83 fixed between the power connection box 7 and the extrusion rod 9; when dust needs to be cleaned, the motor needs to be ensured to be in a power-off state, the electromagnet 81 loses an electromagnetic field and disappears, and the tension spring 83 drives the extrusion rod 9 to move towards the direction far away from the rear end cover 3, so that the driving ring 6 is unlocked to rotate, and the protective cover 4 can be disassembled and assembled.

As shown in fig. 4, a rotating groove 51 is further formed in the middle of the lock rod 5, an end of the blocking rod 41 is inserted into the rotating groove 51, a fixing plate 52 extends in the rotating groove 51, the fixing plate 52 extends along the radial direction of the rotating groove 51, an avoiding arc groove 42 is formed in an end of the blocking rod 41 embedded in the rotating groove 51, the fixing plate 52 is slidably disposed in the avoiding arc groove 42, a thrust spring 53 is further mounted in the avoiding arc groove 42, and one end of the thrust spring 53 abuts against the fixing plate 52; when the locking of the driving ring 6 is released, the thrust spring 53 pushes the fixed sheet 52, so that the fixed sheet 52 rotates in the arc avoiding groove 42 until the fixed sheet 52 abuts against the inner wall of the arc avoiding groove 42, and at the moment, the lock rod 5 synchronously rotates to be aligned with the long notch 31, the driving ring 6 is not required to be controlled to adjust the rotation angle of the lock rod 5, and the protective cover 4 is further convenient to assemble and disassemble.

And the bearing 43 is coaxially sleeved and fixed on the stop lever 41, the bearing 43 is positioned in the rotating groove 51, the stop ring 54 is in threaded connection in the rotating groove 51, the stop ring 54 prevents the bearing 43 from being separated from the rotating groove 51, the friction force between the lock rod 5 and the stop lever 41 is reduced, the stable rotation of the lock rod 5 is realized, and the installation stability of the lock rod 5 on the stop lever 41 is ensured.

The implementation principle of the embodiment is as follows:

when the motor is in a power-on state, the electromagnet 81 is electrified to generate repulsion force on the permanent magnet 82, so that the triangular block of the extrusion rod 9 is embedded and matched with the triangular groove 62 on the driving ring 6, and the mounting stability of the protective cover 4 is ensured;

after the motor outage, tension spring 83 drives extrusion stem 9 and keeps away from drive ring 6, unblock drive ring 6's rotation, and thrust spring 53 makes locking lever 5 rotate to align with rectangular notch 31 simultaneously to dismouting safety cover 4 that can be convenient realizes conveniently carrying out the purpose of deashing to the motor.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a motor of deashing just is convenient for safely, includes front end housing (1), casing (2) and rear end cap (3) that set gradually, rear end cap (3) are provided with safety cover (4), its characterized in that:

the protective cover (4) comprises stop rods (41) which are circumferentially arranged at intervals, one ends of the stop rods (41) are vertically arranged on the rear end cover (3), the other ends of the stop rods are bent to be fixedly connected with each other, locking rods (5) are vertically arranged at one ends, facing the rear end cover (3), of the stop rods (41), the locking rods (5) rotate around the axes of the stop rods (41), and gears (55) which are coaxial with the stop rods (41) are arranged on one sides, away from the stop rods (41), of the locking rods (5);

rear end cap (3) are seted up towards one side circumference interval of safety cover (4) and are supplied rectangular notch (31) that locking lever (5) pass through, just circular slot (32) with rectangular notch (31) intercommunication respectively are seted up to the interval in rear end cap (3), dodge chamber (33) that are used for dodging gear (55) are seted up to the bottom of circular slot (32), annular (34) have been seted up to the periphery of rear end cap (3) is coaxial, annular (34) and dodge chamber (33) intercommunication, just coaxial rotation is provided with drive ring (6) in annular (34), the inboard of drive ring (6) is provided with drive tooth (61) with gear (55) meshing.

2. A safe and easy ash removal motor as claimed in claim 1, wherein: the inner wall of casing (2) and extend along its axis direction and be provided with squeeze stem (9), the axis direction slip setting of casing (2) is followed in squeeze stem (9), set up logical groove (35) that supply squeeze stem (9) to peg graft on rear end cap (3), lead to groove (35) and annular (34) intercommunication setting, still be provided with power pack (8) that drive squeeze stem (9) removed in casing (2).

3. A safe and easy ash removal motor as claimed in claim 2, wherein: one side of the driving ring (6) facing the shell (2) is circumferentially provided with triangular grooves (62) at intervals, and one end of the extrusion rod (9) facing the rear end cover (3) is provided with a triangular block (91) matched with the triangular grooves (62).

4. A safe and easy ash removal motor as claimed in claim 2, wherein: on the extrusion stem (9) and along casing (2) radial extension gag lever post (92), spacing groove (21) have been seted up on casing (2) and along its axis direction, gag lever post (92) slip inlays and locates in spacing groove (21), just gag lever post (92) pass the one end of spacing groove (21) and be provided with gyro wheel (93), gyro wheel (93) and casing (2) outside roll butt.

5. A safe and easy ash removal motor as claimed in claim 2, wherein: be provided with power connection box (7) in casing (2), be provided with in power connection box (7) first connecting portion (71) of being connected with the rotor electricity and be used for second connecting portion (72) that the power is connected, power pack (8) are including establishing ties electro-magnet (81) between first connecting portion (71) and second connecting portion (72), the one end that rear end cover (3) were kept away from in extrusion stem (9) is fixed with permanent magnet (82) repellent with electro-magnet (81).

6. A safe and easy ash removal motor as claimed in claim 5, wherein: the power unit (8) further comprises a tension spring (83) fixed between the power supply connection box (7) and the extrusion rod (9), and the tension spring (83) has a tendency of pulling the extrusion rod (9) to move towards the power supply connection box (7).

7. A safe and easy ash removal motor as claimed in claim 2, wherein: the middle of the lock rod (5) is provided with a rotating groove (51) which is used for rotating one end of the inserting stop lever (41), the inner side of the rotating groove (51) is provided with a fixing sheet (52) along the radial extension of the rotating groove, the end part of the stop lever (41) is provided with an avoiding arc groove (42) which is used for enabling the fixing sheet (52) to rotate around the stop lever (41) relatively, and a thrust spring (53) is arranged in the avoiding arc groove (42).

8. A safe and easy ash removal motor as claimed in claim 7, wherein: one end of the stop lever (41) extending into the rotating groove (51) is coaxially provided with a bearing (43), and a stop ring (54) used for stopping the bearing (43) from disengaging is arranged in the rotating groove (51).