CN112491187A

CN112491187A - Motor protection device

Info

Publication number: CN112491187A
Application number: CN202011321898.4A
Authority: CN
Inventors: 何亚杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12

Abstract

The invention discloses a motor protection device which comprises a bottom plate, wherein a first slot is formed in the top of the bottom plate, a protection cover is arranged above the bottom plate, the protection cover is inserted into the first slot, a motor is protected in the protection cover, and the motor is prevented from being impacted; sealing rings are arranged between the protective cover of the motor and the bottom plate and between the protective cover of the motor and the sealing plate to seal the joint, so that a waterproof effect is achieved, and the service life of the motor is further prolonged; a spring and a damping rod are arranged between the support rod at the bottom of the annular mounting frame for mounting the motor and the L-shaped mounting plate, and the vibration of the motor is weakened and the service life of the motor is prolonged by the damping of the spring in the use process of the motor; carry on spacingly through No. two stoppers between protection casing and the bottom plate, only need press the push rod during dismantlement and can take off, convenient and fast carries on spacingly through trapezoidal stopper between protection casing and the closing plate, and trapezoidal stopper is by the outside propelling movement of spring, utilizes the hypotenuse to extrude the closing plate, improves sealed effect.

Description

Motor protection device

The technical field is as follows:

the invention belongs to the technical field of protective equipment, and particularly relates to a motor protective device.

Background art:

the motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, is a common power device in production and life, belongs to power equipment, has wide application and different use environments, is easy to damage under severe environments, reduces the service life of the motor, and needs to protect special motors.

The prior patent CN210388510U discloses an electric vehicle motor protection device for a machining center, however, 1) the device simply connects the outer wall of the motor with a protection plate through a bolt, the vibration of the motor is transmitted to the protection plate through a plurality of points, the stress area is small, and the protection effect is poor; 2) the upper part of the device is of an open structure, so that dust cannot be prevented from falling into the device, and the accumulated dust influences the use of the motor; 3) the device does not have an integrated rain-proof structure, and the device is overstaffed if a rain-proof cover is simply added.

The invention content is as follows:

the invention aims to solve the problems and provide a motor protection device, wherein a protection cover and a sealing plate are arranged on a bottom plate to protect a motor in the protection cover, so that the motor is prevented from being impacted and the like; sealing rings are arranged between the protective cover of the motor and the bottom plate and between the protective cover of the motor and the sealing plate to seal the joint, so that a waterproof effect is achieved, and the service life of the motor is further prolonged; a spring and a damping rod are arranged between the support rod at the bottom of the annular mounting frame for mounting the motor and the L-shaped mounting plate, and the vibration of the motor is weakened and the service life of the motor is prolonged by the damping of the spring in the use process of the motor; carry on spacingly through No. two stoppers between protection casing and the bottom plate, only need press the push rod during dismantlement and can take off, convenient and fast carries on spacingly through trapezoidal stopper between protection casing and the closing plate, and trapezoidal stopper is by the outside propelling movement of spring, utilizes the hypotenuse to extrude the closing plate, improves sealed effect.

In order to solve the above problems, the present invention provides a technical solution:

a motor protection device comprises a bottom plate, wherein a first slot is formed in the top of the bottom plate, a protection cover is arranged above the bottom plate, the protection cover is spliced with the first slot, a limit ring is fixedly connected to the inner wall of the protection cover close to one end of an opening, a sealing plate is arranged on one side of the limit ring close to the opening of the protection cover, two limit inserting plates are fixedly connected to the bottoms of the two sides of the protection cover relatively, a limit slot is formed in the bottom of the first slot, a limit inserting plate is inserted into the limit slot, the top of the limit inserting plate is fixedly connected with the bottom of the protection cover, two annular mounting frames are arranged in the protection cover at the top of the bottom plate, L-shaped mounting plates are arranged at the bottoms of the two annular mounting frames, the L-shaped mounting plates are fixedly connected with the bottom plate through bolts, and a first telescopic groove is formed in the positions, relative, the equal sliding connection in inside of a flexible groove has trapezoidal stopper, the inclined plane of trapezoidal stopper and the closing plate one side contact of spacing ring are kept away from, trapezoidal stopper is located the equal fixedly connected with spring of the inside one end of a flexible inslot, the one end of keeping away from trapezoidal stopper and the inner wall fixed connection in flexible groove of a spring, spacing picture peg is close to the outside one side of protection casing and digs and is equipped with four flexible grooves, the inside in flexible groove of four is inserted and is equipped with No. two stoppers, No. two stoppers are located No. four springs of the inside one end fixedly connected with of flexible inslot, the one end and the flexible groove fixed connection of four numbers of stoppers are kept away from to No. four springs.

According to a preferable technical scheme, one side, close to the sealing plate, of the limiting ring is provided with a second slot in a chiseled mode, a first sealing ring is inserted into the second slot and fixedly connected with the sealing plate, an output rod insertion hole is arranged in the middle of the sealing plate in a chiseled mode relative to the output end of the motor, and the output rod insertion hole is connected with the output end of the motor in a sealing mode.

According to a preferable technical scheme, two telescopic grooves are formed in the top of each L-shaped mounting plate, a damping rod is fixedly connected inside each telescopic groove, a second spring is sleeved outside each damping rod, supporting rods are fixedly connected to the tops of the damping rods and the tops of the second springs, the supporting rods are connected with the second telescopic grooves in an inserted mode, and the tops of the supporting rods are fixedly connected with an annular mounting frame.

According to a preferable technical scheme, a third telescopic groove is formed in the position, corresponding to the fourth telescopic groove, of the limiting slot, a push block is arranged inside the third telescopic groove, the push block is inserted into the third telescopic groove and the fourth telescopic groove, the third telescopic groove is T-shaped, a push rod is inserted into the narrow end of the third telescopic groove and is fixedly connected with the push block, a third spring is sleeved at one end, close to the push block, of the push rod, one end of the third spring is fixedly connected with the push block, and one end, far away from the push block, of the third spring is fixedly connected with the middle of the third telescopic groove.

As a preferable technical scheme of the invention, the bottom of the first slot is fixedly connected with a sealing gasket, and the bottom of the protective cover is in contact with the sealing gasket.

The invention has the beneficial effects that:

1. the protection device can be simply installed and disassembled by matching the push rod, the second limiting block, the trapezoidal limiting block and the like, tools are not needed, the disassembly is simple, and the time is saved;

2. sealing rings are arranged between the protective cover of the motor and the bottom plate and between the protective cover of the motor and the sealing plate, so that the joint is sealed, dustproof and waterproof effects are achieved, and the service life of the motor is further prolonged;

3. through the cooperation of L shape mounting panel and annular mounting bracket, can increase motor and protection machanism's area of contact, transmit vibrations better, play better shock attenuation effect.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of a front view of the connection structure of the shield of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention;

FIG. 5 is a schematic view of the connection structure of the annular mounting bracket of the present invention;

fig. 6 is a sectional structure diagram of the L-shaped mounting plate of the present invention.

In the figure: 1. a base plate; 2. a first slot; 3. a protective cover; 4. a limiting ring; 5. a second slot; 6. A sealing plate; 7. a first sealing ring; 8. a first telescopic groove; 9. a first spring; 10. a trapezoidal limiting block; 11. an output rod jack; 12. an L-shaped mounting plate; 13. a second telescopic groove; 14. a support bar; 15. a second spring; 16. a damping lever; 17. an annular mounting frame; 18. a gasket; 19. a limiting inserting plate; 20. limiting slots; 21. a third telescopic groove; 22. a push rod; 23. a push block; 24. a third spring; 25. a fourth telescopic groove; 26. a fourth spring; 27. and a second limiting block.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment: a motor protection device comprises a bottom plate 1, a first slot 2 is dug at the top of the bottom plate 1, a protective cover 3 is arranged above the bottom plate 1, the protective cover 3 is inserted into the first slot 2, a limit ring 4 is fixedly connected with the inner wall of the protective cover 3 close to one end of the opening, a sealing plate 6 is arranged on one side of the limiting ring 4 close to the opening of the protective cover 3, two limiting inserting plates 19 are relatively and fixedly connected with the bottoms of the two sides of the protective cover 3, the bottom of the first slot 2 is provided with a limit slot 20, a limit inserting plate 19 is inserted in the limit slot 20, the top of spacing picture peg 19 and the bottom fixed connection of protection casing 3, the inside that the top of bottom plate 1 is located protection casing 3 is equipped with two annular mounting bracket 17, two the bottom of annular mounting bracket 17 all is equipped with L shape mounting panel 12, L shape mounting panel 12 passes through bolt and 1 fixed connection of bottom plate.

Wherein, the inner wall of protection casing 3 all digs with the relative closing plate 6's of bottom plate 1 position and is equipped with flexible groove 8 No. one, the equal sliding connection in inside of flexible groove 8 has trapezoidal stopper 10, the inclined plane of trapezoidal stopper 10 contacts with one side that the spacing ring 4 was kept away from to closing plate 6, trapezoidal stopper 10 is located the equal fixedly connected with spring 9 of the inside one end in flexible groove 8, the one end of keeping away from trapezoidal stopper 10 of spring 9 and the inner wall fixed connection in flexible groove 8 No. one.

Wherein, the spacing ring 4 is equipped with No. two slots 5 near the one side excavation of closing plate 6, No. two inside insertions of slot 5 are equipped with a sealing washer 7, a sealing washer 7 and closing plate 6 fixed connection, the position excavation of the relative motor output in middle part of closing plate 6 is equipped with output lever jack 11, output lever jack 11 and motor output end sealing connection.

Wherein, the top of L shape mounting panel 12 is all excavated and is equipped with flexible groove 13 No. two, the inside fixedly connected with damping rod 16 of flexible groove 13 No. two, the outside cover of damping rod 16 is equipped with spring 15 No. two, the top fixedly connected with bracing piece 14 of damping rod 16 and spring 15 No. two, bracing piece 14 pegs graft with flexible groove 13 No. two, the top and the annular mounting bracket 17 fixed connection of bracing piece 14.

Wherein, spacing picture peg 19 is close to 3 outside one sides of protection casing and cuts open and is equipped with four flexible grooves 25, the inside of four flexible grooves 25 is inserted and is equipped with No. two stopper 27, No. two stopper 27 are located four inside one end fixedly connected with No. four springs 26 in flexible groove 25, No. four springs 26 keep away from No. two stopper 27's one end and four flexible groove 25 fixed connection.

Wherein, the position excavation of the relative No. four flexible groove 25 of spacing slot 20 is equipped with No. three flexible groove 21, the inside in No. three flexible groove 21 is equipped with ejector pad 23, ejector pad 23 is pegged graft with No. three flexible groove 21 and No. four flexible groove 25, No. three flexible groove 21 is the T shape, No. three flexible groove 21's narrow end is inserted and is equipped with push rod 22, push rod 22 and ejector pad 23 fixed connection, the pot head that push rod 22 is close to ejector pad 23 is equipped with No. three spring 24, No. three spring 24's one end and ejector pad 23 fixed connection, No. three spring 24 keep away from the middle part fixed connection of the one end of ejector pad 23 and No. three flexible groove 21.

Wherein, the bottom fixedly connected with sealed pad 18 of slot 2, the bottom and the sealed pad 18 contact of protection casing 3.

Specifically, the method comprises the following steps: a motor protection device, when using, fix the L-shaped mounting plate 12 on the bottom plate 1 through the connecting piece such as the bolt, fix the motor in the inside of two annular mounting brackets 17, through the cooperation of L-shaped mounting plate 12 and annular mounting bracket 17, can increase the contact area of motor and protection mechanism, transmit the vibrations better, play better shock attenuation effect, cover the protective cover 3 above the motor and insert in the slot 2 of the top of the bottom plate 1, the spacing picture peg 19 of the bottom of the protective cover 3 inserts in the spacing slot 20 of the slot 2, realize the sealed effect through squeezing the sealed pad 18 between the protective cover 3 and the bottom plate 1, after the spacing picture peg 19 inserts in the spacing slot 20, the spring 26 of the four number inside of flexible grooves 25 promotes the stopper 27 to insert in the flexible groove 21 of the three number, the spacing picture peg 19 is spacing, prevent the protective cover 3 from coming off from the bottom plate 1, output with the output pole jack 11 alignment motor of closing plate 6 and insert in protection casing 3, No. 7 insert No. 5 slots on the spacing ring 4 of sealing washer on the closing plate 6 after, a spring 9 in the telescopic groove 8 promotes trapezoidal stopper 10 and outwards extrudees, the inclined plane and the closing plate 6 contact of trapezoidal stopper 10 and firmly limit closing plate 6 on spacing ring 4, seal through a sealing washer 7 between closing plate 6 and the protection casing 3, prevent the infiltration, play waterproof effect, the motor during operation produces vibrations, the one end that bracing piece 14 is located L shape mounting panel 12 extrudees No. two springs 15 and damping rod 16, shock attenuation through No. two springs 15 in the motor use, weaken the vibrations of motor, improve the life of motor.

During the dismantlement, press push rod 22, push rod 22 promotes ejector pad 23 and extrudees No. two stopper 27, release No. two stopper 27 from No. three flexible grooves 21, lose No. two spacing of stopper 27, spacing picture peg 19 can be taken out from spacing slot 20, thereby with protection casing 3 and bottom plate 1 separation, press trapezoidal stopper 10 again, trapezoidal stopper 10 contracts to No. one flexible inslot 8, the spacing back closing plate 6 that loses trapezoidal stopper 10 can be followed spacing ring 4 and taken off, accomplish protector's dismantlement, need not the use of tools, it is simple to dismantle, and the time is saved.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The motor protection device is characterized by comprising a bottom plate (1), wherein a slot (2) is formed in the top of the bottom plate (1), a protection cover (3) is arranged above the bottom plate (1), the protection cover (3) is inserted into the slot (2), a limit ring (4) is fixedly connected to the inner wall of one end of the protection cover (3) close to the opening, a sealing plate (6) is arranged on one side of the limit ring (4) close to the opening of the protection cover (3), two limit inserting plates (19) are fixedly connected to the bottoms of the two sides of the protection cover (3) relatively, a limit slot (20) is formed in the bottom of the slot (2), a limit inserting plate (19) is inserted into the inside of the limit slot (20), the top of the limit inserting plate (19) is fixedly connected with the bottom of the protection cover (3), two annular mounting frames (17) are arranged in the top of the bottom plate (1) and located inside of the protection cover (3), two the bottom of annular mounting bracket (17) all is equipped with L shape mounting panel (12), L shape mounting panel (12) are through bolt and bottom plate (1) fixed connection, the inner wall of protection casing (3) all cuts a hole and is equipped with flexible groove (8) with the position of bottom plate (1) relative closing plate (6), the equal sliding connection in inside of flexible groove (8) has trapezoidal stopper (10), the inclined plane of trapezoidal stopper (10) and closing plate (6) keep away from one side contact of spacing ring (4), trapezoidal stopper (10) are located the equal fixed connection in one flexible groove (8) inside one end and have spring (9), the one end of keeping away from trapezoidal stopper (10) of spring (9) and the inner wall fixed connection of flexible groove (8), spacing picture peg (19) are close to the outside one side of protection casing (3) and cut a hole and are equipped with No. four flexible grooves (25), no. two stopper (27) are inserted to the inside of No. four flexible groove (25), No. two stopper (27) are located No. four flexible groove (25) inside one end fixedly connected with No. four spring (26), No. four spring (26) keep away from the one end and No. four flexible groove (25) fixed connection of No. two stopper (27).

2. A motor protector in accordance with claim 1 in which: one side of spacing ring (4) near closing plate (6) is dug and is equipped with slot (5) No. two, the inside of slot (5) is inserted and is equipped with sealing washer (7) No. two, sealing washer (7) and closing plate (6) fixed connection, the position of the relative motor output in middle part of closing plate (6) is dug and is equipped with output pole jack (11), output pole jack (11) and motor output end sealing connection.

3. A motor protector in accordance with claim 1 in which: the top of L shape mounting panel (12) is all excavated and is equipped with flexible groove (13) No. two, the inside fixedly connected with damping rod (16) of flexible groove (13) No. two, the outside cover of damping rod (16) is equipped with spring (15) No. two, the top fixedly connected with bracing piece (14) of damping rod (16) and spring (15) No. two, bracing piece (14) are pegged graft with flexible groove (13) No. two, the top and annular mounting bracket (17) fixed connection of bracing piece (14).

4. A motor protector in accordance with claim 1 in which: spacing slot (20) position excavation of four relative flexible grooves (25) is equipped with three flexible grooves (21), the inside in three flexible grooves (21) is equipped with ejector pad (23), ejector pad (23) are pegged graft with three flexible grooves (21) and four flexible grooves (25), No. three flexible grooves (21) are T shape, the narrow end in three flexible grooves (21) is inserted and is equipped with push rod (22), push rod (22) and ejector pad (23) fixed connection, the pot head that push rod (22) is close to ejector pad (23) is equipped with No. three spring (24), the one end and ejector pad (23) fixed connection of No. three spring (24), the middle part fixed connection of the one end of ejector pad (23) and No. three flexible grooves (21) is kept away from in No. three spring (24).

5. A motor protector in accordance with claim 1 in which: the bottom fixedly connected with of slot (2) is sealed to fill up (18), the bottom and the sealed pad (18) contact of protection casing (3).