CN218920128U

CN218920128U - DC motor protection device

Info

Publication number: CN218920128U
Application number: CN202223070979.9U
Authority: CN
Inventors: 王宗虎; 张宝安; 李济轩; 热甫开提江·居来提
Original assignee: Xinjiang Tianshan Vocational And Technical University
Current assignee: Xinjiang Tianshan Vocational And Technical University
Priority date: 2022-11-20
Filing date: 2022-11-20
Publication date: 2023-04-25
Anticipated expiration: 2032-11-20

Abstract

The utility model discloses a direct current motor protection device which comprises a protection shell, wherein air inlet notches are formed in the left end and the right end of the protection shell, a connecting box is arranged on the inner side of each air inlet notch, a first connecting plate is connected with the inner side of one end of each connecting box, a mounting rod is arranged at the other end of each cleaning brush, a protruding rod is arranged at one end of each fixing rod, and a fixing ring is connected with the outer side of one end, close to the protection shell, of each adjusting rod. This direct current motor protector, when the adjusting lever of wave form groove form structure was seted up to control week side was rotatory, but extrusion protruding pole, made its drive dead lever and installation pole reciprocal slip around under the positioning action of guide bar to can strike off the dust of filtering on the first connecting plate through the cleaning brush, and flow protective housing through the inclined plane that the air inlet notch is the same with the gradient of connecting box bottom, avoid inside a large amount of dust of inhaling of device and influence direct current motor's steady operation.

Description

DC motor protection device

Technical Field

The utility model relates to the technical field of direct current motors, in particular to a direct current motor protection device.

Background

The direct current motor is a rotating motor capable of converting direct current electric energy into mechanical energy or converting mechanical energy into direct current electric energy, and has very wide application prospect, and can play an important role in various fields of society, so people attach more and more importance to the direct current motor, and in order to avoid damage caused by collision of external sundries in the using process of the direct current motor, a protecting device is required to be additionally arranged outside the direct current motor, but the following problems still exist in the protecting device of the direct current motor in the current market:

1. the existing direct current motor protection device is covered outside the direct current motor, and has poor air flow through efficiency in a relatively closed space, so that the normal heat dissipation of the motor is affected;

2. the conventional direct current motor protection device can suck a large amount of dust in the device, which is unfavorable for the stable operation of the direct current motor.

Aiming at the problems, the novel design is carried out on the basis of the original direct current motor protection device.

Disclosure of Invention

The utility model aims to provide a direct current motor protection device, which solves the problems that the current common direct current motor protection device in the market, which is proposed in the background technology, is covered outside a direct current motor, the air flow passing efficiency in a relatively closed space is poor, the normal heat dissipation of the motor is affected, a large amount of dust is sucked into the device, and the stable operation of the direct current motor is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a direct current motor protector, includes protective housing, protective housing's the inside air inlet notch of having all been seted up in both ends about, and the inboard of air inlet notch is provided with the connection box, the one end internally connected of connection box has first connecting plate, and the surface connection of first connecting plate has the cleaning brush, the other end of cleaning brush is provided with the installation pole, and installs the dead lever in the rear end of installation pole, the one end of dead lever is provided with the projecting pole, and the projecting pole is kept away from the one end outside of dead lever and install the adjustment lever, the one end outside that the adjustment lever is close to protective housing is connected with solid fixed ring, and installs the go-between directly over the solid fixed ring.

Preferably, the connection mode of protective housing and connection box is bolted connection, and the connection mode of connection box and first connecting plate is the welding, the inside evenly distributed of first connecting plate has hole column structure, and the surface of first connecting plate is laminated mutually with the cleaning brush, the bottom of connection box and air inlet notch is provided with the inclined plane that inclination is the same.

Preferably, the cleaning brush is connected with the mounting rod in a pasting manner, the cleaning brush is arranged at the outer side of the mounting rod at equal intervals, the mounting rod is fixedly connected with the fixing rod to form an integrated structure, and the guide rod penetrates through the fixing rod.

Preferably, the protruding rod is connected with the adjusting rod in a clamping sliding manner, the protruding rod is arranged in bilateral symmetry with respect to the central axis of the adjusting rod, a wavy groove-shaped structure is formed in the periphery of the adjusting rod, and the connecting mode of the adjusting rod and the protective shell is bearing connection.

Preferably, the connection mode of the adjusting rod and the fixing ring is welding, the connection mode of the fixing ring and the connecting ring is meshed connection, the connecting ring and the adjusting rod form a linkage mechanism through the fixing ring, and the inner side of the connecting ring is annular and distributed with the fan blades.

Preferably, the one end that go out of the collar was kept away from to the air exhauster leaf links to each other with the back shaft is fixed, and the back shaft is connected with the protecting sheathing bearing, the inside air-out notch that is equiangular degree that is of protecting sheathing's rear end, and the inboard fixed mounting of air-out notch have the second connecting plate to the inside evenly distributed of second connecting plate has hole column structure.

Compared with the prior art, the utility model has the beneficial effects that: the protection device for the direct current motor comprises a protective device body,

1. through setting up air inlet notch, connection box and adjusting lever, when the adjusting lever that has seted up wavy groove form structure in control week side rotates, can extrude protruding pole, make it drive dead lever and installation pole reciprocal slip back and forth under the positioning action of guide bar to can strike off the dust that filters on the first connecting plate through the cleaning brush, and flow out the protective housing through the inclined plane that air inlet notch is the same with the inclination of connection box bottom, avoid inside a large amount of dust of inhaling of device and influence direct current motor's steady operation;

2. through setting up solid fixed ring, go up fixed ring and air extraction flabellum, when rotatory adjusting lever is striking off the clearance to the dust that is attached to on the first connecting plate, the adjusting lever can drive solid fixed ring synchronous revolution, because gu fixed ring and go up the fixed ring meshing and be connected, consequently can drive the air extraction flabellum rotation that go up the fixed ring and its inboard annular distributes to can be with the heat extraction device that DC motor sent in the protective housing outside, can effectively improve radiating efficiency for the circulation of air.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic view of the overall structure of the connection of the cleaning brush and the mounting rod of the present utility model;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a rear view of a connection between a fan blade and a support shaft according to the present utility model;

fig. 5 is a schematic top view of the connection between the protruding rod and the adjusting rod.

In the figure: 1. a protective housing; 2. an air inlet notch; 3. a connection box; 4. a first connection plate; 5. cleaning brushes; 6. a mounting rod; 7. a fixed rod; 8. a guide rod; 9. a protruding rod; 10. an adjusting lever; 11. a fixing ring; 12. a connecting ring; 13. a fan blade; 14. a support shaft; 15. an air outlet notch; 16. and a second connecting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 5, the present utility model provides a technical solution: a DC motor protector comprises a protective shell 1, an air inlet notch 2 is arranged in the left and right ends of the protective shell 1 for avoiding the stable running of the DC motor caused by a large amount of dust entering the inside of the protector, a connecting box 3 is arranged on the inner side of the air inlet notch 2, a first connecting plate 4 is connected in one end of the connecting box 3, a cleaning brush 5 is connected on the surface of the first connecting plate 4, the protective shell 1 is connected with the connecting box 3 by bolts, the connecting box 3 is welded with the first connecting plate 4 by welding, a hole-shaped structure is uniformly distributed in the first connecting plate 4, the outer surface of the first connecting plate 4 is attached to the cleaning brush 5, an inclined surface with the same inclination angle is arranged at the bottom of the connecting box 3 and the air inlet notch 2, a mounting rod 6 is arranged at the other end of the cleaning brush 5, the rear end of the installation rod 6 is provided with a fixed rod 7, the connection mode of the cleaning brush 5 and the installation rod 6 is adhesive connection, the cleaning brush 5 is arranged at the outer side of the installation rod 6 at equal intervals, the installation rod 6 and the fixed rod 7 are fixedly connected into an integrated structure, a guide rod 8 penetrates through the inside of the fixed rod 7, one end of the fixed rod 7 is provided with a protruding rod 9, the outer side of one end of the protruding rod 9 far away from the fixed rod 7 is provided with an adjusting rod 10, the protruding rod 9 and the adjusting rod 10 are connected in a clamping sliding manner, the protruding rod 9 is symmetrically arranged on the left and right sides of the central axis of the adjusting rod 10, the circumference of the adjusting rod 10 is provided with a wavy groove-shaped structure, the adjusting rod 10 and the protective shell 1 are connected in a bearing manner, and the circumference of the adjusting rod 10 is provided with a wavy groove-shaped structure, so the protruding rod 9 can be extruded in the rotating process, make it drive dead lever 7 and installation pole 6 reciprocal slip back and forth under the positioning action of guide bar 8 to can strike off the dust of filtering out on the first connecting plate 4 through cleaning brush 5, and flow protective housing 1 through the air inlet notch 2 with the inclined plane that the inclination is the same of connecting box 3 bottom, avoid inside a large amount of dust of inhaling of device and influence direct current motor's steady operation.

Referring to fig. 1, 3 and 4, in order to improve the heat dissipation efficiency of the device, the outer side of one end of the adjusting rod 10, which is close to the protective housing 1, may be connected with a fixing ring 11, a connecting ring 12 is installed right above the fixing ring 11, the connecting mode of the adjusting rod 10 and the fixing ring 11 is welding, and the connecting mode of the fixing ring 11 and the connecting ring 12 is engaged connection, the connecting ring 12 forms a linkage mechanism with the adjusting rod 10 through the fixing ring 11, the inner side of the connecting ring 12 is annularly distributed with air suction fan blades 13, one end of the air suction fan blades 13, which is far away from the connecting ring 12, is fixedly connected with a supporting shaft 14, the supporting shaft 14 is connected with a bearing of the protective housing 1, an air outlet notch 15 is formed in the inner side of the rear end of the protective housing 1, the inner side of the air outlet notch 15 is fixedly installed with a second connecting plate 16, and the inner side of the second connecting plate 16 is uniformly distributed with a hole-shaped structure, when the adjusting rod 10 rotates, the fixing ring 11 can be driven to rotate with the fixing ring 12, and the connecting ring 12 is engaged with the connecting ring 12 to form a linkage mechanism, one end of the connecting ring 12 is fixedly connected with the connecting ring 12, one end is fixedly connected with the supporting shaft, one end of the supporting shaft is fixedly connected with the supporting shaft 14, the supporting shaft and the air suction fan blades, the supporting shaft 1, the supporting shaft and the air suction fan blades, and the air suction fan can be connected with the supporting device, and the air protection device.

Working principle: when the direct current motor protection device is used, the protection shell 1 is fixedly arranged outside the direct current motor in a bolt connection mode, the front end opening of the protection shell 1 is sealed by using the end cover, a first connecting plate 4 and a second connecting plate 16 with hole-shaped structures are uniformly distributed in the protection shell 1, so that a large amount of external dust can be prevented from entering the protection shell 1, the normal heat dissipation of the direct current motor is prevented from being influenced by accumulation of the dust, the holes in the first connecting plate 4 are prevented from being blocked by the dust, an adjusting rod 10 connected with a bearing of the protection shell 1 can be manually rotated periodically, and the circumference side of the adjusting rod 10 is provided with a wavy groove-shaped structure, so that the protruding rod 9 can be extruded to drive a fixing rod 7 and a mounting rod 6 to slide back and forth under the positioning action of the guide rod 8, the scraped dust attached to the first connecting plate 4 can be scraped through a cleaning brush 5 which is uniformly arranged on the mounting rod 6, and the scraped dust can flow out of the protection shell 1 through an inclined plane with the same inclination of the bottom of the connecting box 3, and the dust can be prevented from being sucked into the interior of the motor stably;

the dust attached to the first connecting plate 4 is scraped and cleaned by the rotating adjusting rod 10, and meanwhile, the fixed ring 11 fixedly connected to the outer side of the rear end of the adjusting rod 10 can be driven to synchronously rotate, and as the connecting mode of the fixed ring 11 and the connecting ring 12 is meshed, the connecting ring 12 and the adjusting rod 10 are linked, and the annular distributed exhaust fan blades 13 are driven to rotate by taking the supporting shaft 14 as the center of a circle, so that heat emitted by the direct current motor can be extracted out of the device through the air outlet notch 15 formed in the rear end of the protective shell 1, the heat dissipation efficiency can be effectively improved, the air circulation in the protective shell 1 is accelerated, and the operation process of the whole device is just described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current motor protector, includes protective housing (1), its characterized in that: the utility model discloses a protection shell, including protection shell (1), connecting box (3), fixed ring (11), connecting ring (12) are installed in the one end outside that fixed rod (7) was kept away from to connecting box (3), connecting box (3) and connecting box (3) are all offered to the inside air inlet notch (2) of both ends about, connecting box (3) are connected with first connecting plate (4), and the surface connection of first connecting plate (4) has cleaning brush (5), the other end of cleaning brush (5) is provided with installation pole (6), and the rear end of installation pole (6) installs dead lever (7), the one end of dead lever (7) is provided with protruding pole (9), and protruding pole (9) are kept away from the one end outside of dead lever (7) and are installed adjusting lever (10), the one end outside that dead ring (11) are close to protection shell (1) is connected with go up link (12).

2. A dc motor protector as set forth in claim 1 wherein: the utility model discloses a cleaning brush, including protection shell (1), air inlet notch (2), shell (4), shell (3), connecting box (3), shell (1) and connecting box (3) connected mode be bolted connection, and connecting box (3) connected mode with first connecting plate (4) be the welding, the inside evenly distributed of first connecting plate (4) has hole column structure, and the surface of first connecting plate (4) is laminated mutually with cleaning brush (5), the bottom of connecting box (3) and air inlet notch (2) is provided with the inclined plane that inclination is the same.

3. A dc motor protector as set forth in claim 1 wherein: the cleaning brush (5) is connected with the mounting rod (6) in a pasting mode, the cleaning brush (5) is arranged at the outer side of the mounting rod (6) at equal intervals, the mounting rod (6) is fixedly connected with the fixing rod (7) to form an integrated structure, and the guide rod (8) penetrates through the fixing rod (7).

4. A dc motor protector as set forth in claim 1 wherein: the connecting mode of the protruding rod (9) and the adjusting rod (10) is clamping sliding connection, the protruding rod (9) is arranged in bilateral symmetry with respect to the central axis of the adjusting rod (10), the circumference side of the adjusting rod (10) is provided with a wavy groove-shaped structure, and the connecting mode of the adjusting rod (10) and the protective shell (1) is bearing connection.

5. A dc motor protector as set forth in claim 1 wherein: the connecting mode of the adjusting rod (10) and the fixing ring (11) is welding, the connecting mode of the fixing ring (11) and the connecting ring (12) is meshed connection, the connecting ring (12) and the adjusting rod (10) form a linkage mechanism through the fixing ring (11), and the inner side of the connecting ring (12) is annularly provided with exhaust fan blades (13).

6. The dc motor protection device of claim 5, wherein: one end of the exhaust fan blade (13) far away from the connecting ring (12) is fixedly connected with the supporting shaft (14), the supporting shaft (14) is connected with the bearing of the protective shell (1), the rear end of the protective shell (1) is internally provided with air outlet notches (15) at equal angles, and the inner side of the air outlet notch (15) is fixedly provided with a second connecting plate (16), and hole-shaped structures are uniformly distributed in the second connecting plate (16).