CN212343485U - Motor excessive rotation protection device - Google Patents

Abstract

The utility model discloses a motor over-rotation protection device, the middle position of one end of a fixed plate is fixedly connected with a motor body, the outer side position of one end of the fixed plate corresponding to the motor body is sleeved with a protection mechanism which comprises a shell, sliding grooves, a clamping groove, a sliding plate, a tension spring, a notch and a shifting block, the outer side position of one end of the fixed plate corresponding to the motor body is sleeved with the shell, four sliding grooves are equidistantly arranged at the inner side position of the shell, the utility model has the advantages of scientific and reasonable structure and safe and convenient use, and the shell, the sliding grooves, the clamping groove, the sliding plate, the tension spring, the notch and the shifting block are arranged, the motor body is protected by the shell, the motor body is prevented from being collided, the motor body is damaged, and simultaneously, the shifting block slides along the notch by pressing the shifting block, thereby driving the sliding plate to slide along, thereby facilitating the insertion of the slide plate into the slot.

Description

Motor excessive rotation protection device

Technical Field

The utility model relates to a motor protection technical field specifically is a motor excessively rotates protection device.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, is generally applied to various industries, and is an overtravel protection device for a roller shutter door motor disclosed in the prior art, and the application number is (201720232344.4), the roller shutter door motor can slip with the inner teeth of a limiting transition gear through a transition gear elastic ring, when the limiting inner gear ring rotates, a touch lead screw cannot rotate by driving the limiting transition gear, and the phenomenon that a switch touch block excessively extrudes a microswitch to cause the damage of the microswitch is avoided;

however, the housing of the motor cannot be rapidly disassembled and replaced, so that the overhauling efficiency of workers is affected, and meanwhile, when the motor rotates excessively, high temperature is easily generated, the motor is damaged, and the using effect of the motor is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor excessively rotates protection device can effectively solve the shell that can not carry out quick dismantlement, change to the motor that proposes in the above-mentioned background art, has influenced the efficiency that the staff overhauld, when the motor excessively rotates, produces high temperature easily simultaneously, causes the damage to the motor, influences the result of use's of motor problem.

In order to achieve the above object, the utility model provides a following technical scheme: a motor over-rotation protection device comprises a fixed plate, wherein a motor body is fixedly connected to the middle position of one end of the fixed plate, and a protection mechanism is sleeved at the position, corresponding to the outer side of the motor body, of one end of the fixed plate;

the protection mechanism comprises a shell, a sliding groove, a clamping groove, a sliding plate, a tension spring, a notch and a shifting block;

a shell is sleeved at a position, corresponding to the outer side of the motor body, of one end of the fixing plate, four sliding grooves are formed in the position, corresponding to the side positions of the sliding grooves, of the inner portion of the shell at equal intervals, clamping grooves are formed in the position, corresponding to the sliding grooves, of one end of the fixing plate, sliding plates are symmetrically and slidably connected to the inner portions of the sliding grooves, tension springs are clamped at positions, corresponding to the two sides of the sliding plates, of the outer end of the shell, corresponding to the positions of the sliding grooves, notches are formed in the positions;

the inside of the shell is fixedly connected with a heat dissipation mechanism at equal intervals, and the heat dissipation mechanism comprises an air outlet, a rotating blade, a ventilation opening, a liquid tank, a cooling pipe and a filter screen;

the utility model discloses a fan, including shell, motor body, air outlet, fan inner wall, air outlet, fan inner wall, fan outer wall, motor body, fan inner wall, fan.

Preferably, one end of the sliding groove is communicated with one end of the clamping groove, and the length of the sliding plate is equal to the sum of the lengths of the inner wall of the sliding groove and the inner wall of the clamping groove.

Preferably, one end of the tension spring is fixedly connected with the inner wall of the sliding groove, and the other end of the tension spring is fixedly connected with one end of the sliding plate.

Preferably, the liquid tank is filled with cooling liquid, and the other end of the cooling pipe is fixedly connected with the bottom of one end of the liquid tank.

Preferably, each corner position of the inner wall of the shell is fixedly connected with a limiting mechanism, and the limiting mechanism comprises a groove, a sliding block, a limiting plate, a screw and a nut;

the shell inner wall corner position department symmetry is seted up flutedly, two equal sliding connection has the slider in the recess, two the equal fixedly connected with limiting plate of the adjacent one end of slider, limiting plate one end middle part position department rotates and is connected with the screw rod.

Preferably, one end of the screw rod penetrates through one end of the shell, and the outer end of the screw rod is far away from the position of the limiting plate and is fixedly connected with a nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. be provided with the shell, the sliding tray, the draw-in groove, the slide, the extension spring, notch and shifting block, protect motor body through the shell, avoid colliding motor body, cause the damage to motor body, simultaneously through pressing the shifting block, make the shifting block slide along the notch, thereby it slides along the sliding tray to drive the slide, reduce the distance between two slides, and then be convenient for insert the draw-in groove with the slide, characteristic through the extension spring shrink, drive the slide and reset, fix the slide inside the draw-in groove, make shell and fixed plate fixed connection, in addition through pressing the shifting block, alright pull down the shell fast, the efficiency of shell installation and dismantlement has been improved, the time of maintenance has been reduced.

2. Be provided with air outlet, revolving leaf, vent, liquid tank, cooling tube and filter screen, draw forth the inside cooling of liquid tank through the cooling tube, dispel the heat to the shell inside to reduce motor body's temperature, avoid the motor because excessive rotation, the effect that the temperature risees the influence and uses, motor body during operation can drive the revolving leaf and rotate simultaneously, makes wind get into the shell from the vent, cools down coolant liquid and motor body, has further improved radiating effect.

3. Be provided with recess, slider, limiting plate, screw rod and nut, through rotating the nut, it is rotatory to make the nut drive the screw rod to the convenience removes the limiting plate, reduces the distance between the limiting plate, and then can fix the motor of different models, improves the stability of motor in the shell inside, avoids the motor to receive vibrations, simultaneously through slider and recess cooperation, improves the stability that the limiting plate removed, increases the stability of limiting plate centre gripping.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the mounting structure of the limiting plate of the present invention;

FIG. 3 is a schematic view of the installation structure of the filter screen of the present invention;

fig. 4 is a schematic structural diagram of the region a in fig. 3 according to the present invention.

Reference numbers in the figures: 1. a fixing plate; 2. a motor body;

3. a protection mechanism; 301. a housing; 302. a sliding groove; 303. a card slot; 304. a slide plate; 305. a tension spring; 306. a notch; 307. shifting blocks;

4. a heat dissipation mechanism; 401. an air outlet; 402. rotating the leaf; 403. a vent; 404. a liquid tank; 405. a cooling tube; 406. a filter screen;

5. a limiting mechanism; 501. a groove; 502. a slider; 503. a limiting plate; 504. a screw; 505. and a nut.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical solution, a motor over-rotation protection device, comprising a fixed plate 1, a motor body 2 is fixedly connected to the middle position of one end of the fixed plate 1, and a protection mechanism 3 is sleeved at the position of one end of the fixed plate 1 corresponding to the outer side of the motor body 2;

the protection mechanism 3 comprises a shell 301, a sliding groove 302, a clamping groove 303, a sliding plate 304, a tension spring 305, a notch 306 and a shifting block 307;

a shell 301 is sleeved at a position, corresponding to the outer side of the motor body 2, of one end of a fixing plate 1, four sliding grooves 302 are equidistantly formed at a position, corresponding to the position of the sliding groove 302, of the inner side of the shell 301, a clamping groove 303 is formed at a position, corresponding to the position of the sliding groove 302, of one end of the fixing plate 1, sliding plates 304 are symmetrically and slidably connected inside the sliding groove 302, tension springs 305 are clamped at positions, corresponding to the two sides of the sliding plate 304, inside the sliding groove 302, so that the sliding plate 304 can be driven to reset, one ends of the tension springs 305 are fixedly connected with the inner wall of the sliding groove 302, the other ends of the tension springs 305 are fixedly connected with one end of the sliding plate 304, so that the shell 301 can be fixed, one end of the sliding groove 302 is communicated with one end of the clamping;

the heat dissipation mechanism 4 is fixedly connected with the inside of the shell 301 at equal intervals, and the heat dissipation mechanism 4 comprises an air outlet 401, a rotating blade 402, a ventilation opening 403, a liquid tank 404, a cooling pipe 405 and a filter screen 406;

an air outlet 401 is formed in one end of the shell 301 corresponding to the position of the motor body 2, an output shaft of the motor body 2 penetrates through the air outlet 401, a rotating blade 402 is sleeved at the outer end of the output shaft of the motor body 2 corresponding to the inner side of the shell 301, four ventilation openings 403 are formed in the position, away from the air outlet 401, of the inner wall of the shell 301 at equal intervals, a liquid tank 404 is fixedly connected to the side position of the inner wall of each ventilation opening 403, a cooling pipe 405 is fixedly connected to the top position of one end of each liquid tank 404, the cooling liquid is recycled, the cooling liquid is filled in each liquid tank 404, the other end of each cooling pipe 405 is fixedly connected with the bottom of one end of each liquid;

each corner position of the inner wall of the shell 301 is fixedly connected with a limiting mechanism 5, and each limiting mechanism 5 comprises a groove 501, a sliding block 502, a limiting plate 503, a screw rod 504 and a nut 505;

casing 301 inner wall corner position department symmetry has seted up recess 501, two inside equal sliding connection of recess 501 have slider 502, the equal fixedly connected with limiting plate 503 of the adjacent one end of two sliders 502, conveniently promotes limiting plate 503 and removes, and casing 301 one end is run through to screw rod 504 one end, and limiting plate 503 position department fixedly connected with nut 505 is kept away from to screw rod 504 outer end, and limiting plate 503 one end middle part position department rotates and is connected with screw rod 504.

The utility model discloses a theory of operation and use flow: in the process of using a motor over-rotation protection device, firstly, the shifting block 307 is pressed to enable the shifting block 307 to slide along the notch 306, so that the sliding plate 304 is driven to move along the sliding groove 302, the distance between the two sliding plates 304 is reduced, the sliding plate 304 is convenient to insert into the clamping groove 303, meanwhile, the sliding plate 304 is pulled to reset through the characteristic of contraction of the tension spring 305, the distance between the two sliding plates 304 is increased, the sliding plate 304 is fixed inside the clamping groove 303, the shell 301 is fixedly connected with the fixing plate 1, the motor body 2 is convenient to be protected, the motor body 2 is prevented from being influenced by external factors, in addition, the shifting block 307 is pressed, so that the sliding plate 304 can conveniently slide out of the clamping groove 303, the disassembly efficiency of the shell 301 is improved, and maintenance personnel can;

then, the nut 505 is rotated to drive the screw 504 to rotate, so that the screw 504 pushes the limiting plates 503 to move, the distance between the limiting plates 503 is reduced, the motor body 2 is fixed, the stability of the motor body 2 is improved, the motor body 2 is prevented from being collided, in addition, the stability of the movement of the limiting plates 503 is improved through the matching of the groove 501 and the sliding block 502, the deviation of the limiting plates 503 is avoided, and the clamping effect is ensured;

finally, draw out the inside coolant liquid of liquid tank 404 through cooling tube 405, thereby dispel the heat to shell 301 inside, reduce motor body 2's temperature, avoid the motor because excessively rotate, produce the heat, influence the life of motor, motor body 2 moves simultaneously, it is rotatory to drive swivel leaf 402, inhale wind from vent 403, cool down cooling tube 405 and motor body 2, further improve radiating effect, avoid the dust to carry out shell 301 through filter screen 406 in addition.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an excessive protection device that rotates of motor, includes fixed plate (1), its characterized in that: the motor body (2) is fixedly connected to the middle position of one end of the fixed plate (1), and the protection mechanism (3) is sleeved at the position, corresponding to the outer side of the motor body (2), of one end of the fixed plate (1);

the protection mechanism (3) comprises a shell (301), a sliding groove (302), a clamping groove (303), a sliding plate (304), a tension spring (305), a notch (306) and a shifting block (307);

a shell (301) is sleeved at a position, corresponding to the outer side of the motor body (2), of one end of the fixing plate (1), four sliding grooves (302) are equidistantly formed in a side position inside the shell (301), clamping grooves (303) are formed in positions, corresponding to the sliding grooves (302), of one end of the fixing plate (1), sliding plates (304) are symmetrically and slidably connected inside the sliding grooves (302), tension springs (305) are clamped at positions, corresponding to two sides of the sliding plates (304), inside the sliding grooves (302), the outer end of the shell (301) is provided with notches (306) corresponding to the sliding grooves (302), and shifting blocks (307) are fixedly connected at positions, corresponding to the notches (306), of one end of the sliding plates (304);

the heat dissipation mechanism (4) is fixedly connected with the inner part of the shell (301) at equal intervals, and the heat dissipation mechanism (4) comprises an air outlet (401), a rotating blade (402), a ventilation opening (403), a liquid tank (404), a cooling pipe (405) and a filter screen (406);

air outlet (401) have been seted up to shell (301) one end corresponding motor body (2) position department, and the output shaft of motor body (2) runs through air outlet (401), the output shaft outer end of motor body (2) corresponds shell (301) inboard position department and has cup jointed swivel leaf (402), shell (301) inner wall is kept away from air outlet (401) one side position department equidistance and has been seted up four vent (403), vent (403) inner wall avris position department fixedly connected with liquid tank (404), liquid tank (404) one end top position department fixedly connected with cooling tube (405), vent (403) inner wall corresponds cooling tube (405) outside position department fixedly connected with filter screen (406).

2. A motor over-rotation protector as claimed in claim 1, wherein: one end of the sliding groove (302) is communicated with one end of the clamping groove (303), and the length of the sliding plate (304) is equal to the sum of the lengths of the inner wall of the sliding groove (302) and the inner wall of the clamping groove (303).

3. A motor over-rotation protector as claimed in claim 1, wherein: one end of the tension spring (305) is fixedly connected with the inner wall of the sliding groove (302), and the other end of the tension spring (305) is fixedly connected with one end of the sliding plate (304).

4. A motor over-rotation protector as claimed in claim 1, wherein: the liquid tank (404) is filled with cooling liquid, and the other end of the cooling pipe (405) is fixedly connected with the bottom of one end of the liquid tank (404).

5. A motor over-rotation protector as claimed in claim 1, wherein: each corner position of the inner wall of the shell (301) is fixedly connected with a limiting mechanism (5), and each limiting mechanism (5) comprises a groove (501), a sliding block (502), a limiting plate (503), a screw rod (504) and a nut (505);

shell (301) inner wall corner position department symmetry is seted up fluted (501), two equal sliding connection has slider (502), two in recess (501) inside equal fixedly connected with limiting plate (503) of the adjacent one end of slider (502), limiting plate (503) one end middle part position department rotates and is connected with screw rod (504).

6. The over-rotation protector for motor according to claim 5, wherein: one end of the screw rod (504) penetrates through one end of the shell (301), and the outer end of the screw rod (504) is far away from the position of the limiting plate (503) and is fixedly connected with a nut (505).

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